./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 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_string_new_from_c_str_harness.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d8feb785efb60d35f9204dc33a12e80ea59efcec5de2b7c2ff320ef29197b0bd --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 02:02:54,997 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 02:02:55,072 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-08 02:02:55,077 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 02:02:55,077 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 02:02:55,105 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 02:02:55,106 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 02:02:55,106 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 02:02:55,106 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 02:02:55,106 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 02:02:55,107 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 02:02:55,107 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 02:02:55,107 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 02:02:55,108 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 02:02:55,108 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 02:02:55,108 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 02:02:55,108 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 02:02:55,108 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 02:02:55,109 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 02:02:55,109 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 02:02:55,109 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 02:02:55,109 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 02:02:55,109 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 02:02:55,109 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 02:02:55,109 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 02:02:55,109 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 02:02:55,110 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 02:02:55,110 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 02:02:55,110 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 02:02:55,110 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 02:02:55,110 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 02:02:55,110 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 02:02:55,110 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 02:02:55,110 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 02:02:55,110 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 02:02:55,110 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 02:02:55,110 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 02:02:55,110 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 02:02:55,110 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 02:02:55,111 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 02:02:55,111 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d8feb785efb60d35f9204dc33a12e80ea59efcec5de2b7c2ff320ef29197b0bd [2025-02-08 02:02:55,363 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 02:02:55,369 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 02:02:55,371 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 02:02:55,372 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 02:02:55,372 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 02:02:55,373 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_string_new_from_c_str_harness.i [2025-02-08 02:02:56,671 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7e98c3799/054c1fbdc5dd40b288191114e06a0598/FLAGd1ff96bbb [2025-02-08 02:02:57,172 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 02:02:57,173 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_new_from_c_str_harness.i [2025-02-08 02:02:57,212 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7e98c3799/054c1fbdc5dd40b288191114e06a0598/FLAGd1ff96bbb [2025-02-08 02:02:57,230 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7e98c3799/054c1fbdc5dd40b288191114e06a0598 [2025-02-08 02:02:57,234 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 02:02:57,235 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 02:02:57,236 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 02:02:57,236 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 02:02:57,241 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 02:02:57,241 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 02:02:57" (1/1) ... [2025-02-08 02:02:57,242 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d31ac5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:02:57, skipping insertion in model container [2025-02-08 02:02:57,242 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 02:02:57" (1/1) ... [2025-02-08 02:02:57,340 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 02:02:57,553 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_new_from_c_str_harness.i[4499,4512] [2025-02-08 02:02:57,561 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_new_from_c_str_harness.i[4559,4572] [2025-02-08 02:02:58,139 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:02:58,142 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:02:58,143 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:02:58,143 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:02:58,144 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:02:58,156 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:02:58,157 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:02:58,158 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:02:58,158 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:02:58,639 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:02:58,639 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:02:58,749 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 02:02:58,802 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 02:02:58,819 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_new_from_c_str_harness.i[4499,4512] [2025-02-08 02:02:58,819 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_new_from_c_str_harness.i[4559,4572] [2025-02-08 02:02:58,867 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:02:58,867 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:02:58,867 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:02:58,868 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:02:58,868 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:02:58,878 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:02:58,879 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:02:58,880 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:02:58,881 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:02:59,000 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2025-02-08 02:02:59,002 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:02:59,002 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:02:59,019 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8755-8766] [2025-02-08 02:02:59,043 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 02:02:59,276 INFO L204 MainTranslator]: Completed translation [2025-02-08 02:02:59,277 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:02:59 WrapperNode [2025-02-08 02:02:59,277 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 02:02:59,278 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 02:02:59,278 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 02:02:59,278 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 02:02:59,283 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:02:59" (1/1) ... [2025-02-08 02:02:59,370 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:02:59" (1/1) ... [2025-02-08 02:02:59,445 INFO L138 Inliner]: procedures = 679, calls = 2728, calls flagged for inlining = 62, calls inlined = 9, statements flattened = 815 [2025-02-08 02:02:59,445 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 02:02:59,448 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 02:02:59,449 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 02:02:59,449 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 02:02:59,458 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:02:59" (1/1) ... [2025-02-08 02:02:59,458 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:02:59" (1/1) ... [2025-02-08 02:02:59,468 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:02:59" (1/1) ... [2025-02-08 02:02:59,541 INFO L175 MemorySlicer]: Split 518 memory accesses to 6 slices as follows [2, 257, 238, 2, 5, 14]. 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, 1, 0, 4]. [2025-02-08 02:02:59,545 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:02:59" (1/1) ... [2025-02-08 02:02:59,545 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:02:59" (1/1) ... [2025-02-08 02:02:59,592 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:02:59" (1/1) ... [2025-02-08 02:02:59,595 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:02:59" (1/1) ... [2025-02-08 02:02:59,602 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:02:59" (1/1) ... [2025-02-08 02:02:59,611 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:02:59" (1/1) ... [2025-02-08 02:02:59,630 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 02:02:59,631 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 02:02:59,631 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 02:02:59,631 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 02:02:59,632 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:02:59" (1/1) ... [2025-02-08 02:02:59,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 02:02:59,647 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 02:02:59,661 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-08 02:02:59,665 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-08 02:02:59,686 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2025-02-08 02:02:59,687 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2025-02-08 02:02:59,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 02:02:59,688 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-08 02:02:59,688 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-08 02:02:59,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#0 [2025-02-08 02:02:59,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#1 [2025-02-08 02:02:59,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#2 [2025-02-08 02:02:59,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#3 [2025-02-08 02:02:59,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#4 [2025-02-08 02:02:59,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#5 [2025-02-08 02:02:59,689 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2025-02-08 02:02:59,689 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2025-02-08 02:02:59,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2025-02-08 02:02:59,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2025-02-08 02:02:59,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2025-02-08 02:02:59,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2025-02-08 02:02:59,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2025-02-08 02:02:59,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2025-02-08 02:02:59,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-08 02:02:59,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-08 02:02:59,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-08 02:02:59,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-08 02:02:59,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-08 02:02:59,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-08 02:02:59,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 02:02:59,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 02:02:59,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-08 02:02:59,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-08 02:02:59,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-08 02:02:59,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-08 02:02:59,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2025-02-08 02:02:59,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2025-02-08 02:02:59,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2025-02-08 02:02:59,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2025-02-08 02:02:59,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2025-02-08 02:02:59,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2025-02-08 02:02:59,691 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2025-02-08 02:02:59,691 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2025-02-08 02:02:59,691 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2025-02-08 02:02:59,691 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2025-02-08 02:02:59,691 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2025-02-08 02:02:59,691 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2025-02-08 02:02:59,691 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-02-08 02:02:59,691 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-02-08 02:02:59,691 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 02:02:59,691 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 02:02:59,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-08 02:02:59,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 02:02:59,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-08 02:02:59,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-08 02:02:59,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-08 02:02:59,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-08 02:02:59,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-08 02:02:59,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-08 02:02:59,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 02:02:59,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 02:02:59,691 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-08 02:02:59,691 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-08 02:02:59,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2025-02-08 02:02:59,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2025-02-08 02:02:59,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2025-02-08 02:02:59,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2025-02-08 02:02:59,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2025-02-08 02:02:59,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2025-02-08 02:02:59,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-08 02:02:59,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-08 02:02:59,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-08 02:02:59,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-08 02:02:59,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-08 02:02:59,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-08 02:02:59,692 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2025-02-08 02:02:59,692 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2025-02-08 02:02:59,692 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-08 02:02:59,692 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-08 02:02:59,692 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2025-02-08 02:02:59,692 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2025-02-08 02:02:59,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 02:02:59,692 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-02-08 02:02:59,692 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-02-08 02:02:59,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-08 02:02:59,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-08 02:02:59,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-08 02:02:59,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-08 02:02:59,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-08 02:02:59,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-08 02:02:59,692 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_new_from_array [2025-02-08 02:02:59,692 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_new_from_array [2025-02-08 02:02:59,692 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-08 02:02:59,695 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-08 02:02:59,695 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-02-08 02:02:59,695 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-02-08 02:02:59,695 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-02-08 02:02:59,695 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-02-08 02:02:59,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 02:02:59,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 02:02:59,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-08 02:02:59,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-08 02:02:59,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-08 02:02:59,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-08 02:02:59,696 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#0 [2025-02-08 02:02:59,696 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#1 [2025-02-08 02:02:59,696 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#2 [2025-02-08 02:02:59,696 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#3 [2025-02-08 02:02:59,696 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#4 [2025-02-08 02:02:59,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#5 [2025-02-08 02:02:59,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 02:02:59,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 02:02:59,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-08 02:02:59,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-08 02:02:59,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-08 02:02:59,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-08 02:03:00,065 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 02:03:00,066 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 02:03:00,113 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2025-02-08 02:03:00,177 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6256: havoc #t~mem472;havoc #t~short473;havoc #t~mem474;havoc #t~mem475;havoc #t~short476; [2025-02-08 02:03:00,181 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-02-08 02:03:00,203 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6900: havoc #t~ret561;havoc #t~ite563.base, #t~ite563.offset;havoc #t~ret562.base, #t~ret562.offset; [2025-02-08 02:03:00,224 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-08 02:03:00,232 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6925: havoc #t~ret569.base, #t~ret569.offset; [2025-02-08 02:03:00,275 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L8985-1: assume false; [2025-02-08 02:03:00,276 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L8985-1: assume !false; [2025-02-08 02:03:00,542 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2617: havoc #t~ret59#1; [2025-02-08 02:03:08,030 INFO L1324 $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; [2025-02-08 02:03:08,240 INFO L? ?]: Removed 163 outVars from TransFormulas that were not future-live. [2025-02-08 02:03:08,241 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 02:03:08,252 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 02:03:08,254 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 02:03:08,254 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 02:03:08 BoogieIcfgContainer [2025-02-08 02:03:08,255 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 02:03:08,257 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 02:03:08,257 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 02:03:08,261 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 02:03:08,264 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 02:02:57" (1/3) ... [2025-02-08 02:03:08,265 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14244ada and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 02:03:08, skipping insertion in model container [2025-02-08 02:03:08,265 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:02:59" (2/3) ... [2025-02-08 02:03:08,265 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14244ada and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 02:03:08, skipping insertion in model container [2025-02-08 02:03:08,265 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 02:03:08" (3/3) ... [2025-02-08 02:03:08,266 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_string_new_from_c_str_harness.i [2025-02-08 02:03:08,280 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 02:03:08,282 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_string_new_from_c_str_harness.i that has 21 procedures, 157 locations, 1 initial locations, 13 loop locations, and 1 error locations. [2025-02-08 02:03:08,337 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 02:03:08,349 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;@4a162261, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 02:03:08,350 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-08 02:03:08,353 INFO L276 IsEmpty]: Start isEmpty. Operand has 132 states, 80 states have (on average 1.1875) internal successors, (95), 82 states have internal predecessors, (95), 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) [2025-02-08 02:03:08,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2025-02-08 02:03:08,361 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 02:03:08,362 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] [2025-02-08 02:03:08,362 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 02:03:08,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 02:03:08,367 INFO L85 PathProgramCache]: Analyzing trace with hash 484934622, now seen corresponding path program 1 times [2025-02-08 02:03:08,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 02:03:08,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695746924] [2025-02-08 02:03:08,374 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 02:03:08,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 02:04:14,979 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-02-08 02:04:15,620 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-02-08 02:04:15,621 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 02:04:15,621 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 02:04:16,564 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2025-02-08 02:04:16,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 02:04:16,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695746924] [2025-02-08 02:04:16,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695746924] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 02:04:16,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1908662568] [2025-02-08 02:04:16,565 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 02:04:16,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 02:04:16,566 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 02:04:16,569 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 02:04:16,611 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process