./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_string_new_from_string_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_string_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 618de5120235c3340e11b4958ef07a29ea7e443f67840fe760124caab804e862 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 17:32:54,448 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 17:32:54,509 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 17:32:54,514 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 17:32:54,516 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 17:32:54,539 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 17:32:54,539 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 17:32:54,540 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 17:32:54,540 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 17:32:54,540 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 17:32:54,541 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 17:32:54,541 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 17:32:54,541 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 17:32:54,541 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 17:32:54,541 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 17:32:54,541 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 17:32:54,541 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 17:32:54,541 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 17:32:54,542 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 17:32:54,542 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 17:32:54,542 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 17:32:54,542 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 17:32:54,542 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 17:32:54,542 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 17:32:54,542 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 17:32:54,542 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 17:32:54,542 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:32:54,542 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:32:54,542 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:32:54,542 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:32:54,542 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 17:32:54,542 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:32:54,542 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:32:54,542 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:32:54,542 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:32:54,542 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 17:32:54,542 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 17:32:54,542 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 17:32:54,543 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 17:32:54,543 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 17:32:54,543 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 17:32:54,543 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 17:32:54,543 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 17:32:54,544 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 17:32:54,544 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 17:32:54,544 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 -> 618de5120235c3340e11b4958ef07a29ea7e443f67840fe760124caab804e862 [2025-01-09 17:32:54,763 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 17:32:54,771 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 17:32:54,772 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 17:32:54,773 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 17:32:54,773 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 17:32:54,775 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i [2025-01-09 17:32:55,948 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d9eff9bd2/2746b8b0fd8149829c4d75cf76e5c863/FLAG793eb2d66 [2025-01-09 17:32:56,441 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 17:32:56,441 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i [2025-01-09 17:32:56,482 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d9eff9bd2/2746b8b0fd8149829c4d75cf76e5c863/FLAG793eb2d66 [2025-01-09 17:32:56,532 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d9eff9bd2/2746b8b0fd8149829c4d75cf76e5c863 [2025-01-09 17:32:56,535 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 17:32:56,536 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 17:32:56,537 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 17:32:56,537 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 17:32:56,541 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 17:32:56,542 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:32:56" (1/1) ... [2025-01-09 17:32:56,543 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2857b1bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:32:56, skipping insertion in model container [2025-01-09 17:32:56,543 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:32:56" (1/1) ... [2025-01-09 17:32:56,614 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 17:32:56,804 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_string_harness.i[4500,4513] [2025-01-09 17:32:56,810 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_string_harness.i[4560,4573] [2025-01-09 17:32:57,193 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:32:57,194 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:32:57,194 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:32:57,195 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:32:57,195 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:32:57,203 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:32:57,204 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:32:57,205 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:32:57,205 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:32:57,620 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:32:57,621 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:32:57,702 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:32:57,743 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 17:32:57,758 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_string_harness.i[4500,4513] [2025-01-09 17:32:57,758 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_string_harness.i[4560,4573] [2025-01-09 17:32:57,806 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:32:57,806 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:32:57,807 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:32:57,807 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:32:57,807 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:32:57,819 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:32:57,819 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:32:57,820 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:32:57,820 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:32:57,977 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2025-01-09 17:32:57,978 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:32:57,979 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:32:57,997 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8755-8766] [2025-01-09 17:32:58,023 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:32:58,185 INFO L204 MainTranslator]: Completed translation [2025-01-09 17:32:58,185 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:32:58 WrapperNode [2025-01-09 17:32:58,185 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 17:32:58,186 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 17:32:58,186 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 17:32:58,186 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 17:32:58,191 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:32:58" (1/1) ... [2025-01-09 17:32:58,260 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:32:58" (1/1) ... [2025-01-09 17:32:58,311 INFO L138 Inliner]: procedures = 679, calls = 2733, calls flagged for inlining = 59, calls inlined = 9, statements flattened = 831 [2025-01-09 17:32:58,312 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 17:32:58,312 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 17:32:58,312 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 17:32:58,312 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 17:32:58,321 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:32:58" (1/1) ... [2025-01-09 17:32:58,321 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:32:58" (1/1) ... [2025-01-09 17:32:58,329 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:32:58" (1/1) ... [2025-01-09 17:32:58,396 INFO L175 MemorySlicer]: Split 525 memory accesses to 6 slices as follows [257, 2, 238, 21, 5, 2]. 49 percent of accesses are in the largest equivalence class. The 13 initializations are split as follows [0, 2, 6, 0, 5, 0]. The 497 writes are split as follows [257, 0, 232, 7, 0, 1]. [2025-01-09 17:32:58,396 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:32:58" (1/1) ... [2025-01-09 17:32:58,396 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:32:58" (1/1) ... [2025-01-09 17:32:58,435 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:32:58" (1/1) ... [2025-01-09 17:32:58,440 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:32:58" (1/1) ... [2025-01-09 17:32:58,443 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:32:58" (1/1) ... [2025-01-09 17:32:58,457 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:32:58" (1/1) ... [2025-01-09 17:32:58,464 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:32:58" (1/1) ... [2025-01-09 17:32:58,479 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 17:32:58,483 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 17:32:58,483 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 17:32:58,483 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 17:32:58,484 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:32:58" (1/1) ... [2025-01-09 17:32:58,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:32:58,520 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:32:58,539 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 17:32:58,547 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 17:32:58,566 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2025-01-09 17:32:58,567 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2025-01-09 17:32:58,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 17:32:58,567 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-01-09 17:32:58,567 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-01-09 17:32:58,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#0 [2025-01-09 17:32:58,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#1 [2025-01-09 17:32:58,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#2 [2025-01-09 17:32:58,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#3 [2025-01-09 17:32:58,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#4 [2025-01-09 17:32:58,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#5 [2025-01-09 17:32:58,568 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2025-01-09 17:32:58,568 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2025-01-09 17:32:58,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2025-01-09 17:32:58,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2025-01-09 17:32:58,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2025-01-09 17:32:58,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2025-01-09 17:32:58,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2025-01-09 17:32:58,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2025-01-09 17:32:58,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-01-09 17:32:58,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-01-09 17:32:58,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-01-09 17:32:58,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-01-09 17:32:58,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-01-09 17:32:58,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-01-09 17:32:58,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 17:32:58,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 17:32:58,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 17:32:58,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 17:32:58,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 17:32:58,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-01-09 17:32:58,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2025-01-09 17:32:58,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2025-01-09 17:32:58,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2025-01-09 17:32:58,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2025-01-09 17:32:58,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2025-01-09 17:32:58,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2025-01-09 17:32:58,570 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2025-01-09 17:32:58,570 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2025-01-09 17:32:58,570 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2025-01-09 17:32:58,570 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2025-01-09 17:32:58,570 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2025-01-09 17:32:58,570 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2025-01-09 17:32:58,570 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-01-09 17:32:58,571 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-01-09 17:32:58,571 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-09 17:32:58,571 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-09 17:32:58,572 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 17:32:58,572 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 17:32:58,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-09 17:32:58,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-09 17:32:58,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-01-09 17:32:58,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-01-09 17:32:58,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-01-09 17:32:58,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-01-09 17:32:58,572 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 17:32:58,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 17:32:58,572 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-01-09 17:32:58,572 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-01-09 17:32:58,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2025-01-09 17:32:58,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2025-01-09 17:32:58,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2025-01-09 17:32:58,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2025-01-09 17:32:58,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2025-01-09 17:32:58,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2025-01-09 17:32:58,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-01-09 17:32:58,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-01-09 17:32:58,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-01-09 17:32:58,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-01-09 17:32:58,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-01-09 17:32:58,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-01-09 17:32:58,572 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2025-01-09 17:32:58,572 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2025-01-09 17:32:58,572 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 17:32:58,572 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 17:32:58,572 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2025-01-09 17:32:58,572 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2025-01-09 17:32:58,572 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 17:32:58,572 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-01-09 17:32:58,572 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-01-09 17:32:58,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-09 17:32:58,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-09 17:32:58,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-01-09 17:32:58,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-01-09 17:32:58,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-01-09 17:32:58,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-01-09 17:32:58,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-01-09 17:32:58,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-01-09 17:32:58,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-01-09 17:32:58,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-01-09 17:32:58,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-01-09 17:32:58,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-01-09 17:32:58,573 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_new_from_array [2025-01-09 17:32:58,573 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_new_from_array [2025-01-09 17:32:58,573 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-01-09 17:32:58,573 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-01-09 17:32:58,573 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-01-09 17:32:58,573 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-01-09 17:32:58,573 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-01-09 17:32:58,573 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-01-09 17:32:58,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 17:32:58,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 17:32:58,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 17:32:58,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 17:32:58,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 17:32:58,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-01-09 17:32:58,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#0 [2025-01-09 17:32:58,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#1 [2025-01-09 17:32:58,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#2 [2025-01-09 17:32:58,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#3 [2025-01-09 17:32:58,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#4 [2025-01-09 17:32:58,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#5 [2025-01-09 17:32:58,573 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_new_from_string [2025-01-09 17:32:58,573 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_new_from_string [2025-01-09 17:32:58,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 17:32:58,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 17:32:58,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 17:32:58,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 17:32:58,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 17:32:58,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-09 17:32:58,815 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 17:32:58,820 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 17:32:59,318 WARN L773 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2025-01-09 17:32:59,337 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8: assume false; [2025-01-09 17:32:59,337 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume !false; [2025-01-09 17:33:06,019 INFO L? ?]: Removed 178 outVars from TransFormulas that were not future-live. [2025-01-09 17:33:06,019 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 17:33:06,026 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 17:33:06,027 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 17:33:06,027 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:33:06 BoogieIcfgContainer [2025-01-09 17:33:06,027 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 17:33:06,028 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 17:33:06,028 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 17:33:06,031 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 17:33:06,031 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 05:32:56" (1/3) ... [2025-01-09 17:33:06,031 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f6d4b03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:33:06, skipping insertion in model container [2025-01-09 17:33:06,032 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:32:58" (2/3) ... [2025-01-09 17:33:06,032 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f6d4b03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:33:06, skipping insertion in model container [2025-01-09 17:33:06,032 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:33:06" (3/3) ... [2025-01-09 17:33:06,032 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_string_new_from_string_harness.i [2025-01-09 17:33:06,041 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 17:33:06,042 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_string_new_from_string_harness.i that has 22 procedures, 178 locations, 1 initial locations, 13 loop locations, and 1 error locations. [2025-01-09 17:33:06,071 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 17:33:06,078 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;@3ac926a5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 17:33:06,078 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 17:33:06,081 INFO L276 IsEmpty]: Start isEmpty. Operand has 153 states, 97 states have (on average 1.175257731958763) internal successors, (114), 97 states have internal predecessors, (114), 39 states have call successors, (39), 16 states have call predecessors, (39), 16 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2025-01-09 17:33:06,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2025-01-09 17:33:06,087 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:33:06,088 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 17:33:06,088 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:33:06,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:33:06,091 INFO L85 PathProgramCache]: Analyzing trace with hash 1689756811, now seen corresponding path program 1 times [2025-01-09 17:33:06,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:33:06,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275531865] [2025-01-09 17:33:06,096 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:33:06,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:34:11,071 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-01-09 17:34:11,603 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-01-09 17:34:11,603 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:34:11,604 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:34:12,178 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2025-01-09 17:34:12,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:34:12,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275531865] [2025-01-09 17:34:12,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [275531865] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:34:12,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [265903198] [2025-01-09 17:34:12,179 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:34:12,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:34:12,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:34:12,184 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 17:34:12,187 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