./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_string_new_from_array_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_string_new_from_array_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 364b54724e976c015f9881f66521e5c6d863e13e3a8324ac15c0186b650523fa --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 17:32:39,518 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 17:32:39,573 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 17:32:39,578 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 17:32:39,581 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 17:32:39,596 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 17:32:39,597 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 17:32:39,597 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 17:32:39,597 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 17:32:39,597 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 17:32:39,597 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 17:32:39,598 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 17:32:39,598 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 17:32:39,598 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 17:32:39,598 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 17:32:39,598 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 17:32:39,598 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 17:32:39,598 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 17:32:39,598 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 17:32:39,598 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 17:32:39,599 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 17:32:39,599 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 17:32:39,599 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 17:32:39,599 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 17:32:39,599 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 17:32:39,599 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 17:32:39,599 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:32:39,599 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:32:39,599 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:32:39,599 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:32:39,599 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 17:32:39,600 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:32:39,600 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:32:39,600 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:32:39,600 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:32:39,600 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 17:32:39,600 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 17:32:39,600 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 17:32:39,600 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 17:32:39,600 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 17:32:39,600 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 17:32:39,601 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 17:32:39,601 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 17:32:39,601 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 17:32:39,601 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 17:32:39,601 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 -> 364b54724e976c015f9881f66521e5c6d863e13e3a8324ac15c0186b650523fa [2025-01-09 17:32:39,798 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 17:32:39,806 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 17:32:39,808 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 17:32:39,809 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 17:32:39,809 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 17:32:39,810 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_string_new_from_array_harness.i [2025-01-09 17:32:40,929 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/507c32ca3/6ccf9dde689642739734d8adb29a4c1b/FLAGe08403129 [2025-01-09 17:32:41,457 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 17:32:41,457 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_new_from_array_harness.i [2025-01-09 17:32:41,498 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/507c32ca3/6ccf9dde689642739734d8adb29a4c1b/FLAGe08403129 [2025-01-09 17:32:41,510 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/507c32ca3/6ccf9dde689642739734d8adb29a4c1b [2025-01-09 17:32:41,512 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 17:32:41,513 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 17:32:41,515 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 17:32:41,515 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 17:32:41,518 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 17:32:41,519 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:32:41" (1/1) ... [2025-01-09 17:32:41,519 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ce9dcb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:32:41, skipping insertion in model container [2025-01-09 17:32:41,520 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:32:41" (1/1) ... [2025-01-09 17:32:41,579 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 17:32:41,742 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_array_harness.i[4499,4512] [2025-01-09 17:32:41,748 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_array_harness.i[4559,4572] [2025-01-09 17:32:42,214 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:32:42,214 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:32:42,215 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:32:42,215 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:32:42,216 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:32:42,223 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:32:42,224 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:32:42,225 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:32:42,225 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:32:42,628 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:32:42,629 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:32:42,729 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:32:42,763 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 17:32:42,771 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_array_harness.i[4499,4512] [2025-01-09 17:32:42,772 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_array_harness.i[4559,4572] [2025-01-09 17:32:42,810 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:32:42,810 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:32:42,810 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:32:42,811 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:32:42,811 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:32:42,817 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:32:42,819 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:32:42,819 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:32:42,820 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:32:42,887 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2025-01-09 17:32:42,889 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:32:42,889 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:32:42,898 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8755-8766] [2025-01-09 17:32:42,915 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:32:43,128 INFO L204 MainTranslator]: Completed translation [2025-01-09 17:32:43,129 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:32:43 WrapperNode [2025-01-09 17:32:43,129 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 17:32:43,130 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 17:32:43,130 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 17:32:43,130 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 17:32:43,134 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:32:43" (1/1) ... [2025-01-09 17:32:43,186 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:32:43" (1/1) ... [2025-01-09 17:32:43,232 INFO L138 Inliner]: procedures = 679, calls = 2730, calls flagged for inlining = 58, calls inlined = 6, statements flattened = 791 [2025-01-09 17:32:43,233 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 17:32:43,233 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 17:32:43,234 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 17:32:43,234 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 17:32:43,240 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:32:43" (1/1) ... [2025-01-09 17:32:43,240 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:32:43" (1/1) ... [2025-01-09 17:32:43,245 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:32:43" (1/1) ... [2025-01-09 17:32:43,297 INFO L175 MemorySlicer]: Split 517 memory accesses to 6 slices as follows [2, 257, 238, 2, 5, 13]. 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]. [2025-01-09 17:32:43,301 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:32:43" (1/1) ... [2025-01-09 17:32:43,302 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:32:43" (1/1) ... [2025-01-09 17:32:43,339 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:32:43" (1/1) ... [2025-01-09 17:32:43,341 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:32:43" (1/1) ... [2025-01-09 17:32:43,348 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:32:43" (1/1) ... [2025-01-09 17:32:43,360 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:32:43" (1/1) ... [2025-01-09 17:32:43,367 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:32:43" (1/1) ... [2025-01-09 17:32:43,383 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 17:32:43,384 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 17:32:43,384 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 17:32:43,384 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 17:32:43,387 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:32:43" (1/1) ... [2025-01-09 17:32:43,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:32:43,399 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:32:43,412 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 17:32:43,421 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 17:32:43,435 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2025-01-09 17:32:43,435 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2025-01-09 17:32:43,435 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 17:32:43,435 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-01-09 17:32:43,435 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-01-09 17:32:43,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#0 [2025-01-09 17:32:43,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#1 [2025-01-09 17:32:43,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#2 [2025-01-09 17:32:43,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#3 [2025-01-09 17:32:43,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#4 [2025-01-09 17:32:43,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#5 [2025-01-09 17:32:43,437 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2025-01-09 17:32:43,437 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2025-01-09 17:32:43,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2025-01-09 17:32:43,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2025-01-09 17:32:43,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2025-01-09 17:32:43,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2025-01-09 17:32:43,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2025-01-09 17:32:43,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2025-01-09 17:32:43,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-01-09 17:32:43,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-01-09 17:32:43,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-01-09 17:32:43,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-01-09 17:32:43,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-01-09 17:32:43,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-01-09 17:32:43,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 17:32:43,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 17:32:43,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 17:32:43,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 17:32:43,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 17:32:43,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-01-09 17:32:43,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2025-01-09 17:32:43,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2025-01-09 17:32:43,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2025-01-09 17:32:43,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2025-01-09 17:32:43,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2025-01-09 17:32:43,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2025-01-09 17:32:43,439 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2025-01-09 17:32:43,439 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2025-01-09 17:32:43,439 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2025-01-09 17:32:43,439 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2025-01-09 17:32:43,439 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2025-01-09 17:32:43,439 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2025-01-09 17:32:43,439 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-01-09 17:32:43,439 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-01-09 17:32:43,439 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-09 17:32:43,439 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-09 17:32:43,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 17:32:43,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 17:32:43,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-09 17:32:43,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-09 17:32:43,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-01-09 17:32:43,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-01-09 17:32:43,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-01-09 17:32:43,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-01-09 17:32:43,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 17:32:43,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 17:32:43,440 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-01-09 17:32:43,440 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-01-09 17:32:43,440 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2025-01-09 17:32:43,440 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2025-01-09 17:32:43,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2025-01-09 17:32:43,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2025-01-09 17:32:43,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2025-01-09 17:32:43,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2025-01-09 17:32:43,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2025-01-09 17:32:43,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2025-01-09 17:32:43,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-01-09 17:32:43,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-01-09 17:32:43,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-01-09 17:32:43,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-01-09 17:32:43,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-01-09 17:32:43,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-01-09 17:32:43,442 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2025-01-09 17:32:43,442 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2025-01-09 17:32:43,442 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 17:32:43,442 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 17:32:43,442 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2025-01-09 17:32:43,442 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2025-01-09 17:32:43,442 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 17:32:43,442 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-01-09 17:32:43,442 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-01-09 17:32:43,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-01-09 17:32:43,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-01-09 17:32:43,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-01-09 17:32:43,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-01-09 17:32:43,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-01-09 17:32:43,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-01-09 17:32:43,442 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_new_from_array [2025-01-09 17:32:43,442 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_new_from_array [2025-01-09 17:32:43,442 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-01-09 17:32:43,442 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-01-09 17:32:43,442 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-01-09 17:32:43,442 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-01-09 17:32:43,442 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-01-09 17:32:43,442 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-01-09 17:32:43,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 17:32:43,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 17:32:43,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 17:32:43,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 17:32:43,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 17:32:43,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-01-09 17:32:43,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#0 [2025-01-09 17:32:43,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#1 [2025-01-09 17:32:43,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#2 [2025-01-09 17:32:43,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#3 [2025-01-09 17:32:43,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#4 [2025-01-09 17:32:43,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#5 [2025-01-09 17:32:43,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 17:32:43,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 17:32:43,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 17:32:43,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 17:32:43,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 17:32:43,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-09 17:32:43,663 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 17:32:43,665 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 17:32:43,733 WARN L773 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2025-01-09 17:32:43,766 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8: assume false; [2025-01-09 17:32:43,766 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume !false; [2025-01-09 17:32:50,967 INFO L? ?]: Removed 154 outVars from TransFormulas that were not future-live. [2025-01-09 17:32:50,968 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 17:32:50,978 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 17:32:50,979 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 17:32:50,980 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:32:50 BoogieIcfgContainer [2025-01-09 17:32:50,980 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 17:32:50,981 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 17:32:50,982 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 17:32:50,987 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 17:32:50,987 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 05:32:41" (1/3) ... [2025-01-09 17:32:50,988 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3abb6049 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:32:50, skipping insertion in model container [2025-01-09 17:32:50,988 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:32:43" (2/3) ... [2025-01-09 17:32:50,988 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3abb6049 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:32:50, skipping insertion in model container [2025-01-09 17:32:50,988 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:32:50" (3/3) ... [2025-01-09 17:32:50,989 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_string_new_from_array_harness.i [2025-01-09 17:32:50,999 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 17:32:51,001 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_string_new_from_array_harness.i that has 22 procedures, 158 locations, 1 initial locations, 13 loop locations, and 1 error locations. [2025-01-09 17:32:51,034 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 17:32:51,041 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;@50255e48, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 17:32:51,041 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 17:32:51,044 INFO L276 IsEmpty]: Start isEmpty. Operand has 133 states, 83 states have (on average 1.1686746987951808) internal successors, (97), 83 states have internal predecessors, (97), 33 states have call successors, (33), 16 states have call predecessors, (33), 16 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2025-01-09 17:32:51,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2025-01-09 17:32:51,048 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:32:51,049 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 17:32:51,049 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:32:51,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:32:51,052 INFO L85 PathProgramCache]: Analyzing trace with hash 42078484, now seen corresponding path program 1 times [2025-01-09 17:32:51,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:32:51,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397368696] [2025-01-09 17:32:51,057 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:32:51,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:33:55,629 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-01-09 17:33:56,060 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-01-09 17:33:56,061 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:33:56,061 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:33:56,715 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2025-01-09 17:33:56,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:33:56,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397368696] [2025-01-09 17:33:56,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [397368696] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:33:56,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [138540075] [2025-01-09 17:33:56,716 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:33:56,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:33:56,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:33:56,719 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 17:33:56,720 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