./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_string_new_from_c_str_harness.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.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 d8feb785efb60d35f9204dc33a12e80ea59efcec5de2b7c2ff320ef29197b0bd --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 03:08:59,864 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 03:08:59,922 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-04 03:08:59,927 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 03:08:59,927 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 03:08:59,950 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 03:08:59,951 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 03:08:59,951 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 03:08:59,952 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 03:08:59,952 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 03:08:59,952 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 03:08:59,953 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 03:08:59,953 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 03:08:59,953 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 03:08:59,953 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 03:08:59,953 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 03:08:59,954 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 03:08:59,954 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 03:08:59,954 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 03:08:59,954 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 03:08:59,954 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 03:08:59,954 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 03:08:59,954 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 03:08:59,954 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 03:08:59,954 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 03:08:59,955 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 03:08:59,955 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 03:08:59,955 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 03:08:59,955 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 03:08:59,955 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 03:08:59,955 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 03:08:59,956 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 03:08:59,956 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 03:08:59,956 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 03:08:59,956 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 03:08:59,956 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 03:08:59,956 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 03:08:59,956 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 03:08:59,956 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 03:08:59,956 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 03:08:59,956 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 -> d8feb785efb60d35f9204dc33a12e80ea59efcec5de2b7c2ff320ef29197b0bd [2025-03-04 03:09:00,203 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 03:09:00,211 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 03:09:00,213 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 03:09:00,215 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 03:09:00,215 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 03:09:00,216 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_string_new_from_c_str_harness.i [2025-03-04 03:09:01,346 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d91551d5/35ac6c8d4f20477eb0495dcb32e806a0/FLAGa50c03cd0 [2025-03-04 03:09:01,786 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 03:09:01,787 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_new_from_c_str_harness.i [2025-03-04 03:09:01,831 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d91551d5/35ac6c8d4f20477eb0495dcb32e806a0/FLAGa50c03cd0 [2025-03-04 03:09:01,926 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d91551d5/35ac6c8d4f20477eb0495dcb32e806a0 [2025-03-04 03:09:01,928 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 03:09:01,929 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 03:09:01,930 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 03:09:01,930 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 03:09:01,933 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 03:09:01,934 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 03:09:01" (1/1) ... [2025-03-04 03:09:01,935 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6956b428 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:09:01, skipping insertion in model container [2025-03-04 03:09:01,936 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 03:09:01" (1/1) ... [2025-03-04 03:09:02,006 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 03:09:02,182 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.i[4499,4512] [2025-03-04 03:09:02,191 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.i[4559,4572] [2025-03-04 03:09:02,641 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:09:02,642 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:09:02,642 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:09:02,643 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:09:02,643 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:09:02,651 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:09:02,651 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:09:02,652 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:09:02,653 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:09:03,054 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:09:03,056 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:09:03,126 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 03:09:03,175 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 03:09:03,188 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.i[4499,4512] [2025-03-04 03:09:03,188 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.i[4559,4572] [2025-03-04 03:09:03,228 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:09:03,229 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:09:03,229 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:09:03,229 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:09:03,230 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:09:03,233 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:09:03,237 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:09:03,238 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:09:03,238 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:09:03,366 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2025-03-04 03:09:03,368 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:09:03,368 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:09:03,377 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8755-8766] [2025-03-04 03:09:03,393 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 03:09:03,571 INFO L204 MainTranslator]: Completed translation [2025-03-04 03:09:03,572 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:09:03 WrapperNode [2025-03-04 03:09:03,572 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 03:09:03,573 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 03:09:03,574 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 03:09:03,574 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 03:09:03,579 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:09:03" (1/1) ... [2025-03-04 03:09:03,635 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:09:03" (1/1) ... [2025-03-04 03:09:03,695 INFO L138 Inliner]: procedures = 679, calls = 2728, calls flagged for inlining = 62, calls inlined = 9, statements flattened = 815 [2025-03-04 03:09:03,696 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 03:09:03,696 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 03:09:03,696 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 03:09:03,696 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 03:09:03,704 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:09:03" (1/1) ... [2025-03-04 03:09:03,704 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:09:03" (1/1) ... [2025-03-04 03:09:03,712 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:09:03" (1/1) ... [2025-03-04 03:09:03,768 INFO L175 MemorySlicer]: Split 518 memory accesses to 6 slices as follows [2, 257, 238, 5, 2, 14]. 50 percent of accesses are in the largest equivalence class. The 13 initializations are split as follows [2, 0, 6, 5, 0, 0]. The 494 writes are split as follows [0, 257, 232, 0, 1, 4]. [2025-03-04 03:09:03,768 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:09:03" (1/1) ... [2025-03-04 03:09:03,768 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:09:03" (1/1) ... [2025-03-04 03:09:03,814 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:09:03" (1/1) ... [2025-03-04 03:09:03,816 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:09:03" (1/1) ... [2025-03-04 03:09:03,822 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:09:03" (1/1) ... [2025-03-04 03:09:03,824 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:09:03" (1/1) ... [2025-03-04 03:09:03,831 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 03:09:03,832 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 03:09:03,832 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 03:09:03,832 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 03:09:03,833 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:09:03" (1/1) ... [2025-03-04 03:09:03,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 03:09:03,849 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 03:09:03,860 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 03:09:03,866 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 03:09:03,880 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2025-03-04 03:09:03,881 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2025-03-04 03:09:03,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 03:09:03,881 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-04 03:09:03,881 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-04 03:09:03,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#0 [2025-03-04 03:09:03,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#1 [2025-03-04 03:09:03,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#2 [2025-03-04 03:09:03,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#3 [2025-03-04 03:09:03,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#4 [2025-03-04 03:09:03,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#5 [2025-03-04 03:09:03,883 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2025-03-04 03:09:03,883 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2025-03-04 03:09:03,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2025-03-04 03:09:03,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2025-03-04 03:09:03,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2025-03-04 03:09:03,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2025-03-04 03:09:03,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2025-03-04 03:09:03,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2025-03-04 03:09:03,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-04 03:09:03,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-04 03:09:03,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-04 03:09:03,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-04 03:09:03,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-04 03:09:03,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-04 03:09:03,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-04 03:09:03,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-04 03:09:03,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-04 03:09:03,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-04 03:09:03,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-04 03:09:03,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-04 03:09:03,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2025-03-04 03:09:03,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2025-03-04 03:09:03,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2025-03-04 03:09:03,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2025-03-04 03:09:03,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2025-03-04 03:09:03,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2025-03-04 03:09:03,884 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2025-03-04 03:09:03,884 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2025-03-04 03:09:03,884 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2025-03-04 03:09:03,884 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2025-03-04 03:09:03,884 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2025-03-04 03:09:03,884 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2025-03-04 03:09:03,884 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-03-04 03:09:03,884 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-03-04 03:09:03,884 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-04 03:09:03,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-04 03:09:03,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 03:09:03,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 03:09:03,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-04 03:09:03,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-04 03:09:03,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-04 03:09:03,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-04 03:09:03,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-04 03:09:03,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-04 03:09:03,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 03:09:03,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 03:09:03,884 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-04 03:09:03,884 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-04 03:09:03,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2025-03-04 03:09:03,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2025-03-04 03:09:03,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2025-03-04 03:09:03,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2025-03-04 03:09:03,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2025-03-04 03:09:03,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2025-03-04 03:09:03,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-04 03:09:03,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-04 03:09:03,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-04 03:09:03,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-04 03:09:03,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-04 03:09:03,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-04 03:09:03,884 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2025-03-04 03:09:03,884 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2025-03-04 03:09:03,885 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-04 03:09:03,885 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-04 03:09:03,885 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2025-03-04 03:09:03,885 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2025-03-04 03:09:03,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 03:09:03,885 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-03-04 03:09:03,885 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-03-04 03:09:03,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-04 03:09:03,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-04 03:09:03,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-04 03:09:03,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-04 03:09:03,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-04 03:09:03,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-04 03:09:03,887 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_new_from_array [2025-03-04 03:09:03,887 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_new_from_array [2025-03-04 03:09:03,887 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-04 03:09:03,887 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-04 03:09:03,887 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-03-04 03:09:03,887 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-03-04 03:09:03,887 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-04 03:09:03,887 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-04 03:09:03,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-04 03:09:03,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-04 03:09:03,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-04 03:09:03,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-04 03:09:03,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-04 03:09:03,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-04 03:09:03,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#0 [2025-03-04 03:09:03,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#1 [2025-03-04 03:09:03,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#2 [2025-03-04 03:09:03,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#3 [2025-03-04 03:09:03,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#4 [2025-03-04 03:09:03,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#5 [2025-03-04 03:09:03,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 03:09:03,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-04 03:09:03,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-04 03:09:03,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-04 03:09:03,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-04 03:09:03,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-04 03:09:04,132 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 03:09:04,134 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 03:09:04,158 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-04 03:09:04,211 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6256: havoc #t~mem472;havoc #t~short473;havoc #t~mem474;havoc #t~mem475;havoc #t~short476; [2025-03-04 03:09:04,216 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-04 03:09:04,229 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6900: havoc #t~ret561;havoc #t~ite563.base, #t~ite563.offset;havoc #t~ret562.base, #t~ret562.offset; [2025-03-04 03:09:04,248 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-04 03:09:04,254 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6925: havoc #t~ret569.base, #t~ret569.offset; [2025-03-04 03:09:04,309 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8985-1: assume false; [2025-03-04 03:09:04,309 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8985-1: assume !false; [2025-03-04 03:09:04,556 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2617: havoc #t~ret59#1; [2025-03-04 03:09:11,246 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8961: 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 03:09:11,317 INFO L? ?]: Removed 174 outVars from TransFormulas that were not future-live. [2025-03-04 03:09:11,317 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 03:09:11,327 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 03:09:11,328 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 03:09:11,328 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 03:09:11 BoogieIcfgContainer [2025-03-04 03:09:11,328 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 03:09:11,332 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 03:09:11,332 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 03:09:11,336 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 03:09:11,336 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 03:09:01" (1/3) ... [2025-03-04 03:09:11,337 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e5f7eb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 03:09:11, skipping insertion in model container [2025-03-04 03:09:11,338 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:09:03" (2/3) ... [2025-03-04 03:09:11,338 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e5f7eb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 03:09:11, skipping insertion in model container [2025-03-04 03:09:11,338 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 03:09:11" (3/3) ... [2025-03-04 03:09:11,340 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_string_new_from_c_str_harness.i [2025-03-04 03:09:11,350 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 03:09:11,351 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_string_new_from_c_str_harness.i that has 21 procedures, 162 locations, 1 initial locations, 13 loop locations, and 1 error locations. [2025-03-04 03:09:11,394 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 03:09:11,402 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;@48abbef4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 03:09:11,402 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-04 03:09:11,406 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 03:09:11,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2025-03-04 03:09:11,413 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 03:09:11,413 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 03:09:11,414 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 03:09:11,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 03:09:11,418 INFO L85 PathProgramCache]: Analyzing trace with hash -115816801, now seen corresponding path program 1 times [2025-03-04 03:09:11,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 03:09:11,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781015598] [2025-03-04 03:09:11,424 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:09:11,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 03:10:19,335 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 75 statements into 1 equivalence classes. [2025-03-04 03:10:19,778 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 75 of 75 statements. [2025-03-04 03:10:19,778 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:10:19,778 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:10:20,411 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 03:10:20,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 03:10:20,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781015598] [2025-03-04 03:10:20,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [781015598] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 03:10:20,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2011233287] [2025-03-04 03:10:20,412 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:10:20,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 03:10:20,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 03:10:20,415 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 03:10:20,417 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process