./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_string_new_from_c_str_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 798a7b37 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_c_str_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 a5910cea77a565141d916d1fcbedfa046ab56f15dda6ed8f11c344bfa9c73fe2 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 03:09:06,347 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 03:09:06,408 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-04 03:09:06,413 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 03:09:06,415 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 03:09:06,434 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 03:09:06,436 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 03:09:06,436 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 03:09:06,437 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 03:09:06,437 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 03:09:06,437 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 03:09:06,437 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 03:09:06,438 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 03:09:06,438 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 03:09:06,438 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 03:09:06,438 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 03:09:06,439 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 03:09:06,439 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 03:09:06,439 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 03:09:06,439 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 03:09:06,439 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 03:09:06,439 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 03:09:06,439 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 03:09:06,439 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 03:09:06,439 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 03:09:06,439 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 03:09:06,439 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 03:09:06,439 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 03:09:06,439 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 03:09:06,440 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 03:09:06,440 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 03:09:06,440 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 03:09:06,440 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 03:09:06,440 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 03:09:06,440 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 03:09:06,440 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 03:09:06,440 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 03:09:06,440 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 03:09:06,440 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 03:09:06,441 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 03:09:06,441 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 -> a5910cea77a565141d916d1fcbedfa046ab56f15dda6ed8f11c344bfa9c73fe2 [2025-03-04 03:09:06,661 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 03:09:06,671 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 03:09:06,677 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 03:09:06,678 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 03:09:06,679 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 03:09:06,681 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_string_new_from_c_str_harness_negated.i [2025-03-04 03:09:07,816 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9dfbf9150/c222aabf97e14a34ae752b22a486be3b/FLAG61f74f66d [2025-03-04 03:09:08,357 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 03:09:08,357 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_new_from_c_str_harness_negated.i [2025-03-04 03:09:08,387 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9dfbf9150/c222aabf97e14a34ae752b22a486be3b/FLAG61f74f66d [2025-03-04 03:09:08,895 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9dfbf9150/c222aabf97e14a34ae752b22a486be3b [2025-03-04 03:09:08,898 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 03:09:08,899 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 03:09:08,901 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 03:09:08,901 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 03:09:08,905 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 03:09:08,906 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 03:09:08" (1/1) ... [2025-03-04 03:09:08,906 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c913def and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:09:08, skipping insertion in model container [2025-03-04 03:09:08,906 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 03:09:08" (1/1) ... [2025-03-04 03:09:08,972 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 03:09:09,224 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_c_str_harness_negated.i[4499,4512] [2025-03-04 03:09:09,232 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_c_str_harness_negated.i[4559,4572] [2025-03-04 03:09:09,859 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:09:09,860 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:09:09,860 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:09:09,861 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:09:09,862 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:09:09,870 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:09:09,871 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:09:09,872 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:09:09,873 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:09:10,327 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:09:10,327 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:09:10,437 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 03:09:10,485 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 03:09:10,500 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_c_str_harness_negated.i[4499,4512] [2025-03-04 03:09:10,500 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_c_str_harness_negated.i[4559,4572] [2025-03-04 03:09:10,548 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:09:10,549 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:09:10,549 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:09:10,549 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:09:10,550 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:09:10,554 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:09:10,554 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:09:10,555 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:09:10,555 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:09:10,652 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8237] [2025-03-04 03:09:10,654 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:09:10,654 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:09:10,665 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8723-8734] [2025-03-04 03:09:10,687 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 03:09:10,851 INFO L204 MainTranslator]: Completed translation [2025-03-04 03:09:10,852 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:09:10 WrapperNode [2025-03-04 03:09:10,852 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 03:09:10,853 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 03:09:10,853 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 03:09:10,853 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 03:09:10,858 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:09:10" (1/1) ... [2025-03-04 03:09:10,905 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:09:10" (1/1) ... [2025-03-04 03:09:10,958 INFO L138 Inliner]: procedures = 679, calls = 2728, calls flagged for inlining = 62, calls inlined = 9, statements flattened = 815 [2025-03-04 03:09:10,958 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 03:09:10,962 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 03:09:10,962 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 03:09:10,963 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 03:09:10,969 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:09:10" (1/1) ... [2025-03-04 03:09:10,969 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:09:10" (1/1) ... [2025-03-04 03:09:10,978 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:09:10" (1/1) ... [2025-03-04 03:09:11,039 INFO L175 MemorySlicer]: Split 518 memory accesses to 6 slices as follows [2, 257, 2, 238, 14, 5]. 50 percent of accesses are in the largest equivalence class. The 13 initializations are split as follows [2, 0, 0, 6, 0, 5]. The 494 writes are split as follows [0, 257, 1, 232, 4, 0]. [2025-03-04 03:09:11,039 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:09:10" (1/1) ... [2025-03-04 03:09:11,039 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:09:10" (1/1) ... [2025-03-04 03:09:11,078 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:09:10" (1/1) ... [2025-03-04 03:09:11,085 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:09:10" (1/1) ... [2025-03-04 03:09:11,095 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:09:10" (1/1) ... [2025-03-04 03:09:11,099 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:09:10" (1/1) ... [2025-03-04 03:09:11,107 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 03:09:11,108 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 03:09:11,108 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 03:09:11,108 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 03:09:11,109 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:09:10" (1/1) ... [2025-03-04 03:09:11,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 03:09:11,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 03:09:11,136 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) [2025-03-04 03:09:11,139 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 [2025-03-04 03:09:11,160 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2025-03-04 03:09:11,160 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2025-03-04 03:09:11,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 03:09:11,160 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-04 03:09:11,160 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-04 03:09:11,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#0 [2025-03-04 03:09:11,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#1 [2025-03-04 03:09:11,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#2 [2025-03-04 03:09:11,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#3 [2025-03-04 03:09:11,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#4 [2025-03-04 03:09:11,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#5 [2025-03-04 03:09:11,161 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2025-03-04 03:09:11,161 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2025-03-04 03:09:11,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2025-03-04 03:09:11,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2025-03-04 03:09:11,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2025-03-04 03:09:11,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2025-03-04 03:09:11,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2025-03-04 03:09:11,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2025-03-04 03:09:11,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-04 03:09:11,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-04 03:09:11,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-04 03:09:11,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-04 03:09:11,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-04 03:09:11,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-04 03:09:11,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-04 03:09:11,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-04 03:09:11,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-04 03:09:11,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-04 03:09:11,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-04 03:09:11,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-04 03:09:11,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2025-03-04 03:09:11,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2025-03-04 03:09:11,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2025-03-04 03:09:11,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2025-03-04 03:09:11,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2025-03-04 03:09:11,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2025-03-04 03:09:11,162 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2025-03-04 03:09:11,162 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2025-03-04 03:09:11,162 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2025-03-04 03:09:11,162 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2025-03-04 03:09:11,163 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2025-03-04 03:09:11,163 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2025-03-04 03:09:11,163 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-03-04 03:09:11,163 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-03-04 03:09:11,163 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-04 03:09:11,163 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-04 03:09:11,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 03:09:11,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 03:09:11,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-04 03:09:11,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-04 03:09:11,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-04 03:09:11,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-04 03:09:11,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-04 03:09:11,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-04 03:09:11,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 03:09:11,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 03:09:11,163 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-04 03:09:11,164 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-04 03:09:11,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2025-03-04 03:09:11,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2025-03-04 03:09:11,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2025-03-04 03:09:11,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2025-03-04 03:09:11,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2025-03-04 03:09:11,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2025-03-04 03:09:11,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-04 03:09:11,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-04 03:09:11,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-04 03:09:11,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-04 03:09:11,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-04 03:09:11,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-04 03:09:11,164 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2025-03-04 03:09:11,164 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2025-03-04 03:09:11,164 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-04 03:09:11,164 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-04 03:09:11,164 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2025-03-04 03:09:11,164 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2025-03-04 03:09:11,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 03:09:11,164 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-03-04 03:09:11,164 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-03-04 03:09:11,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-04 03:09:11,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-04 03:09:11,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-04 03:09:11,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-04 03:09:11,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-04 03:09:11,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-04 03:09:11,164 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_new_from_array [2025-03-04 03:09:11,164 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_new_from_array [2025-03-04 03:09:11,164 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-04 03:09:11,164 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-04 03:09:11,164 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-03-04 03:09:11,164 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-03-04 03:09:11,164 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-04 03:09:11,164 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-04 03:09:11,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-04 03:09:11,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-04 03:09:11,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-04 03:09:11,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-04 03:09:11,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-04 03:09:11,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-04 03:09:11,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#0 [2025-03-04 03:09:11,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#1 [2025-03-04 03:09:11,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#2 [2025-03-04 03:09:11,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#3 [2025-03-04 03:09:11,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#4 [2025-03-04 03:09:11,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#5 [2025-03-04 03:09:11,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 03:09:11,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-04 03:09:11,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-04 03:09:11,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-04 03:09:11,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-04 03:09:11,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-04 03:09:11,434 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 03:09:11,436 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 03:09:11,462 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-04 03:09:11,504 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6244: havoc #t~mem472;havoc #t~short473;havoc #t~mem474;havoc #t~mem475;havoc #t~short476; [2025-03-04 03:09:11,506 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-04 03:09:11,516 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6888: havoc #t~ret561;havoc #t~ite563.base, #t~ite563.offset;havoc #t~ret562.base, #t~ret562.offset; [2025-03-04 03:09:11,536 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-04 03:09:11,540 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6913: havoc #t~ret569.base, #t~ret569.offset; [2025-03-04 03:09:11,588 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8953-1: assume false; [2025-03-04 03:09:11,588 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8953-1: assume !false; [2025-03-04 03:09:11,774 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2617: havoc #t~ret59#1; [2025-03-04 03:09:18,274 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8929: havoc aws_string_new_from_c_str_#t~nondet1217#1;havoc aws_string_new_from_c_str_#t~ret1218#1;havoc aws_string_new_from_c_str_#t~ret1219#1.base, aws_string_new_from_c_str_#t~ret1219#1.offset; [2025-03-04 03:09:18,335 INFO L? ?]: Removed 174 outVars from TransFormulas that were not future-live. [2025-03-04 03:09:18,335 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 03:09:18,345 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 03:09:18,346 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 03:09:18,347 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 03:09:18 BoogieIcfgContainer [2025-03-04 03:09:18,347 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 03:09:18,349 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 03:09:18,349 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 03:09:18,352 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 03:09:18,352 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 03:09:08" (1/3) ... [2025-03-04 03:09:18,353 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67d7b54c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 03:09:18, skipping insertion in model container [2025-03-04 03:09:18,353 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:09:10" (2/3) ... [2025-03-04 03:09:18,353 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67d7b54c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 03:09:18, skipping insertion in model container [2025-03-04 03:09:18,353 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 03:09:18" (3/3) ... [2025-03-04 03:09:18,354 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_string_new_from_c_str_harness_negated.i [2025-03-04 03:09:18,365 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 03:09:18,366 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_string_new_from_c_str_harness_negated.i that has 21 procedures, 162 locations, 1 initial locations, 13 loop locations, and 1 error locations. [2025-03-04 03:09:18,409 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 03:09:18,417 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;@2366e25a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 03:09:18,418 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-04 03:09:18,421 INFO L276 IsEmpty]: Start isEmpty. Operand has 137 states, 87 states have (on average 1.160919540229885) internal successors, (101), 87 states have internal predecessors, (101), 34 states have call successors, (34), 15 states have call predecessors, (34), 15 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2025-03-04 03:09:18,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2025-03-04 03:09:18,427 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 03:09:18,428 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2025-03-04 03:09:18,428 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 03:09:18,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 03:09:18,432 INFO L85 PathProgramCache]: Analyzing trace with hash -115816801, now seen corresponding path program 1 times [2025-03-04 03:09:18,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 03:09:18,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607198174] [2025-03-04 03:09:18,439 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:09:18,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 03:10:24,329 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 75 statements into 1 equivalence classes. [2025-03-04 03:10:24,829 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 75 of 75 statements. [2025-03-04 03:10:24,830 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:10:24,830 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:10:25,549 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2025-03-04 03:10:25,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 03:10:25,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607198174] [2025-03-04 03:10:25,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1607198174] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 03:10:25,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [233300444] [2025-03-04 03:10:25,551 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:10:25,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 03:10:25,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 03:10:25,554 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) [2025-03-04 03:10:25,554 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process