./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_string_new_from_c_str_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_string_new_from_c_str_harness_negated.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a5910cea77a565141d916d1fcbedfa046ab56f15dda6ed8f11c344bfa9c73fe2 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 18:20:25,556 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 18:20:25,606 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-08 18:20:25,614 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 18:20:25,614 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 18:20:25,633 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 18:20:25,634 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 18:20:25,634 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 18:20:25,634 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 18:20:25,634 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 18:20:25,635 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 18:20:25,635 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 18:20:25,635 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 18:20:25,635 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 18:20:25,636 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 18:20:25,636 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 18:20:25,636 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 18:20:25,636 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 18:20:25,636 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 18:20:25,636 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 18:20:25,636 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 18:20:25,637 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 18:20:25,637 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 18:20:25,637 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 18:20:25,637 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 18:20:25,637 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 18:20:25,637 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 18:20:25,637 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 18:20:25,637 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 18:20:25,637 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 18:20:25,637 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 18:20:25,638 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 18:20:25,638 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 18:20:25,638 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 18:20:25,638 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 18:20:25,638 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 18:20:25,638 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 18:20:25,638 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 18:20:25,638 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 18:20:25,638 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 18:20:25,638 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a5910cea77a565141d916d1fcbedfa046ab56f15dda6ed8f11c344bfa9c73fe2 [2025-03-08 18:20:25,864 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 18:20:25,872 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 18:20:25,874 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 18:20:25,876 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 18:20:25,876 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 18:20:25,877 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_string_new_from_c_str_harness_negated.i [2025-03-08 18:20:27,089 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98fc0e917/6e35397a842f497d81df13a1422c1564/FLAG884dcd700 [2025-03-08 18:20:27,545 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 18:20:27,546 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_new_from_c_str_harness_negated.i [2025-03-08 18:20:27,586 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98fc0e917/6e35397a842f497d81df13a1422c1564/FLAG884dcd700 [2025-03-08 18:20:27,599 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98fc0e917/6e35397a842f497d81df13a1422c1564 [2025-03-08 18:20:27,601 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 18:20:27,602 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 18:20:27,603 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 18:20:27,604 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 18:20:27,606 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 18:20:27,607 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 06:20:27" (1/1) ... [2025-03-08 18:20:27,609 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5debb698 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:20:27, skipping insertion in model container [2025-03-08 18:20:27,609 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 06:20:27" (1/1) ... [2025-03-08 18:20:27,680 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 18:20:27,919 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_new_from_c_str_harness_negated.i[4499,4512] [2025-03-08 18:20:27,926 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_new_from_c_str_harness_negated.i[4559,4572] [2025-03-08 18:20:28,380 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:20:28,381 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:20:28,381 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:20:28,382 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:20:28,382 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:20:28,393 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:20:28,393 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:20:28,395 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:20:28,395 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:20:28,834 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:20:28,834 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:20:28,980 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 18:20:29,016 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 18:20:29,027 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_new_from_c_str_harness_negated.i[4499,4512] [2025-03-08 18:20:29,030 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_new_from_c_str_harness_negated.i[4559,4572] [2025-03-08 18:20:29,063 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:20:29,064 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:20:29,064 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:20:29,064 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:20:29,065 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:20:29,069 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:20:29,069 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:20:29,070 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:20:29,070 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:20:29,150 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8237] [2025-03-08 18:20:29,152 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:20:29,152 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:20:29,162 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8723-8734] [2025-03-08 18:20:29,180 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 18:20:29,340 INFO L204 MainTranslator]: Completed translation [2025-03-08 18:20:29,341 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:20:29 WrapperNode [2025-03-08 18:20:29,341 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 18:20:29,342 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 18:20:29,342 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 18:20:29,342 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 18:20:29,347 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:20:29" (1/1) ... [2025-03-08 18:20:29,409 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:20:29" (1/1) ... [2025-03-08 18:20:29,459 INFO L138 Inliner]: procedures = 679, calls = 2728, calls flagged for inlining = 62, calls inlined = 9, statements flattened = 815 [2025-03-08 18:20:29,460 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 18:20:29,460 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 18:20:29,460 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 18:20:29,460 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 18:20:29,471 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:20:29" (1/1) ... [2025-03-08 18:20:29,471 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:20:29" (1/1) ... [2025-03-08 18:20:29,476 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:20:29" (1/1) ... [2025-03-08 18:20:29,538 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]. [2025-03-08 18:20:29,540 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:20:29" (1/1) ... [2025-03-08 18:20:29,540 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:20:29" (1/1) ... [2025-03-08 18:20:29,582 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:20:29" (1/1) ... [2025-03-08 18:20:29,588 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:20:29" (1/1) ... [2025-03-08 18:20:29,602 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:20:29" (1/1) ... [2025-03-08 18:20:29,606 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:20:29" (1/1) ... [2025-03-08 18:20:29,623 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 18:20:29,626 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 18:20:29,626 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 18:20:29,626 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 18:20:29,627 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:20:29" (1/1) ... [2025-03-08 18:20:29,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 18:20:29,642 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:20:29,654 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-08 18:20:29,657 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-08 18:20:29,674 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2025-03-08 18:20:29,676 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2025-03-08 18:20:29,676 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-08 18:20:29,676 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-08 18:20:29,676 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-08 18:20:29,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#0 [2025-03-08 18:20:29,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#1 [2025-03-08 18:20:29,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#2 [2025-03-08 18:20:29,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#3 [2025-03-08 18:20:29,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#4 [2025-03-08 18:20:29,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#5 [2025-03-08 18:20:29,677 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2025-03-08 18:20:29,677 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2025-03-08 18:20:29,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2025-03-08 18:20:29,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2025-03-08 18:20:29,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2025-03-08 18:20:29,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2025-03-08 18:20:29,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2025-03-08 18:20:29,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2025-03-08 18:20:29,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-08 18:20:29,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-08 18:20:29,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-08 18:20:29,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-08 18:20:29,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-08 18:20:29,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-08 18:20:29,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-08 18:20:29,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-08 18:20:29,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-08 18:20:29,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-08 18:20:29,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-08 18:20:29,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-08 18:20:29,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2025-03-08 18:20:29,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2025-03-08 18:20:29,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2025-03-08 18:20:29,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2025-03-08 18:20:29,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2025-03-08 18:20:29,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2025-03-08 18:20:29,679 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2025-03-08 18:20:29,679 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2025-03-08 18:20:29,680 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2025-03-08 18:20:29,680 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2025-03-08 18:20:29,680 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2025-03-08 18:20:29,680 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2025-03-08 18:20:29,680 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-03-08 18:20:29,680 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-03-08 18:20:29,680 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-08 18:20:29,680 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-08 18:20:29,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-08 18:20:29,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 18:20:29,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-08 18:20:29,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-08 18:20:29,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-08 18:20:29,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-08 18:20:29,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-08 18:20:29,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-08 18:20:29,680 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 18:20:29,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 18:20:29,680 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-08 18:20:29,680 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-08 18:20:29,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2025-03-08 18:20:29,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2025-03-08 18:20:29,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2025-03-08 18:20:29,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2025-03-08 18:20:29,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2025-03-08 18:20:29,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2025-03-08 18:20:29,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-08 18:20:29,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-08 18:20:29,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-08 18:20:29,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-08 18:20:29,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-08 18:20:29,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-08 18:20:29,683 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2025-03-08 18:20:29,683 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2025-03-08 18:20:29,683 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 18:20:29,683 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 18:20:29,683 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2025-03-08 18:20:29,683 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2025-03-08 18:20:29,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-08 18:20:29,683 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-03-08 18:20:29,683 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-03-08 18:20:29,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-08 18:20:29,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-08 18:20:29,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-08 18:20:29,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-08 18:20:29,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-08 18:20:29,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-08 18:20:29,684 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_new_from_array [2025-03-08 18:20:29,684 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_new_from_array [2025-03-08 18:20:29,684 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-08 18:20:29,684 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-08 18:20:29,684 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-03-08 18:20:29,684 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-03-08 18:20:29,684 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-08 18:20:29,684 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-08 18:20:29,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-08 18:20:29,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-08 18:20:29,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-08 18:20:29,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-08 18:20:29,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-08 18:20:29,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-08 18:20:29,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#0 [2025-03-08 18:20:29,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#1 [2025-03-08 18:20:29,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#2 [2025-03-08 18:20:29,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#3 [2025-03-08 18:20:29,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#4 [2025-03-08 18:20:29,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#5 [2025-03-08 18:20:29,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 18:20:29,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-08 18:20:29,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-08 18:20:29,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-08 18:20:29,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-08 18:20:29,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-08 18:20:29,955 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 18:20:29,958 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 18:20:29,991 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-08 18:20:30,043 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6244: havoc #t~mem472;havoc #t~short473;havoc #t~mem474;havoc #t~mem475;havoc #t~short476; [2025-03-08 18:20:30,048 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-08 18:20:30,067 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6888: havoc #t~ret561;havoc #t~ite563.base, #t~ite563.offset;havoc #t~ret562.base, #t~ret562.offset; [2025-03-08 18:20:30,085 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-08 18:20:30,091 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6913: havoc #t~ret569.base, #t~ret569.offset; [2025-03-08 18:20:30,146 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8953-1: assume false; [2025-03-08 18:20:30,147 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8953-1: assume !false; [2025-03-08 18:20:30,367 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2617: havoc #t~ret59#1; [2025-03-08 18:20:37,060 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8929: havoc aws_string_new_from_c_str_#t~nondet1217#1;havoc aws_string_new_from_c_str_#t~ret1218#1;havoc aws_string_new_from_c_str_#t~ret1219#1.base, aws_string_new_from_c_str_#t~ret1219#1.offset; [2025-03-08 18:20:37,127 INFO L? ?]: Removed 174 outVars from TransFormulas that were not future-live. [2025-03-08 18:20:37,127 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 18:20:37,136 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 18:20:37,137 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 18:20:37,137 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 06:20:37 BoogieIcfgContainer [2025-03-08 18:20:37,137 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 18:20:37,139 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 18:20:37,139 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 18:20:37,143 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 18:20:37,145 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 06:20:27" (1/3) ... [2025-03-08 18:20:37,146 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75a40155 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 06:20:37, skipping insertion in model container [2025-03-08 18:20:37,146 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:20:29" (2/3) ... [2025-03-08 18:20:37,146 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75a40155 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 06:20:37, skipping insertion in model container [2025-03-08 18:20:37,147 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 06:20:37" (3/3) ... [2025-03-08 18:20:37,148 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_string_new_from_c_str_harness_negated.i [2025-03-08 18:20:37,159 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 18:20:37,160 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_string_new_from_c_str_harness_negated.i that has 21 procedures, 162 locations, 1 initial locations, 13 loop locations, and 1 error locations. [2025-03-08 18:20:37,203 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 18:20:37,212 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;@1c12feb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 18:20:37,213 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 18:20:37,216 INFO L276 IsEmpty]: Start isEmpty. Operand has 137 states, 87 states have (on average 1.160919540229885) internal successors, (101), 87 states have internal predecessors, (101), 34 states have call successors, (34), 15 states have call predecessors, (34), 15 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2025-03-08 18:20:37,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2025-03-08 18:20:37,222 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:20:37,223 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 18:20:37,223 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:20:37,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:20:37,228 INFO L85 PathProgramCache]: Analyzing trace with hash -115816801, now seen corresponding path program 1 times [2025-03-08 18:20:37,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:20:37,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141221243] [2025-03-08 18:20:37,236 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:20:37,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:21:44,442 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 75 statements into 1 equivalence classes. [2025-03-08 18:21:44,875 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 75 of 75 statements. [2025-03-08 18:21:44,876 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:21:44,876 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:21:45,573 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2025-03-08 18:21:45,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:21:45,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141221243] [2025-03-08 18:21:45,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1141221243] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 18:21:45,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [118654510] [2025-03-08 18:21:45,575 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:21:45,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:21:45,575 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:21:45,577 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 18:21:45,579 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process