./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 8fc3dc66 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-?-8fc3dc6-m [2025-03-17 07:27:38,310 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 07:27:38,346 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-17 07:27:38,350 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 07:27:38,350 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 07:27:38,372 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 07:27:38,372 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 07:27:38,372 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 07:27:38,372 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 07:27:38,372 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 07:27:38,372 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 07:27:38,372 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 07:27:38,373 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 07:27:38,373 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 07:27:38,373 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 07:27:38,373 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 07:27:38,373 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 07:27:38,373 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 07:27:38,373 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 07:27:38,373 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 07:27:38,373 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 07:27:38,373 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 07:27:38,373 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 07:27:38,373 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 07:27:38,373 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 07:27:38,377 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 07:27:38,378 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 07:27:38,378 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 07:27:38,378 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 07:27:38,378 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 07:27:38,378 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 07:27:38,378 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 07:27:38,379 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 07:27:38,379 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 07:27:38,379 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 07:27:38,379 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 07:27:38,379 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 07:27:38,379 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 07:27:38,379 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 07:27:38,379 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 07:27:38,379 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 [2025-03-17 07:27:38,597 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 07:27:38,604 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 07:27:38,607 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 07:27:38,607 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 07:27:38,608 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 07:27:38,608 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_string_new_from_c_str_harness_negated.i [2025-03-17 07:27:39,721 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26dc0e37c/12650b5b76994129b800758c56a83234/FLAGaf710352f [2025-03-17 07:27:40,131 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 07:27:40,131 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_new_from_c_str_harness_negated.i [2025-03-17 07:27:40,164 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26dc0e37c/12650b5b76994129b800758c56a83234/FLAGaf710352f [2025-03-17 07:27:40,281 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26dc0e37c/12650b5b76994129b800758c56a83234 [2025-03-17 07:27:40,282 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 07:27:40,283 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 07:27:40,284 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 07:27:40,284 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 07:27:40,287 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 07:27:40,287 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:27:40" (1/1) ... [2025-03-17 07:27:40,288 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b5cb647 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:27:40, skipping insertion in model container [2025-03-17 07:27:40,288 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:27:40" (1/1) ... [2025-03-17 07:27:40,345 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 07:27:40,510 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] [2025-03-17 07:27:40,516 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] [2025-03-17 07:27:40,927 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:27:40,927 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:27:40,927 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:27:40,928 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:27:40,929 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:27:40,938 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:27:40,938 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:27:40,940 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:27:40,940 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:27:41,341 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:27:41,342 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:27:41,427 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 07:27:41,461 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 07:27:41,470 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] [2025-03-17 07:27:41,470 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] [2025-03-17 07:27:41,494 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:27:41,494 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:27:41,495 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:27:41,495 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:27:41,495 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:27:41,499 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:27:41,500 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:27:41,500 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:27:41,500 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:27:41,576 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8237] [2025-03-17 07:27:41,578 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:27:41,578 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:27:41,587 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8723-8734] [2025-03-17 07:27:41,605 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 07:27:41,762 INFO L204 MainTranslator]: Completed translation [2025-03-17 07:27:41,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:27:41 WrapperNode [2025-03-17 07:27:41,762 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 07:27:41,763 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 07:27:41,763 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 07:27:41,763 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 07:27:41,767 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:27:41" (1/1) ... [2025-03-17 07:27:41,820 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:27:41" (1/1) ... [2025-03-17 07:27:41,873 INFO L138 Inliner]: procedures = 679, calls = 2728, calls flagged for inlining = 62, calls inlined = 9, statements flattened = 815 [2025-03-17 07:27:41,874 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 07:27:41,877 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 07:27:41,877 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 07:27:41,877 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 07:27:41,883 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:27:41" (1/1) ... [2025-03-17 07:27:41,883 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:27:41" (1/1) ... [2025-03-17 07:27:41,889 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:27:41" (1/1) ... [2025-03-17 07:27:41,939 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]. [2025-03-17 07:27:41,939 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:27:41" (1/1) ... [2025-03-17 07:27:41,939 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:27:41" (1/1) ... [2025-03-17 07:27:41,971 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:27:41" (1/1) ... [2025-03-17 07:27:41,975 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:27:41" (1/1) ... [2025-03-17 07:27:41,984 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:27:41" (1/1) ... [2025-03-17 07:27:41,987 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:27:41" (1/1) ... [2025-03-17 07:27:41,998 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 07:27:42,002 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 07:27:42,002 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 07:27:42,003 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 07:27:42,003 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:27:41" (1/1) ... [2025-03-17 07:27:42,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 07:27:42,017 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:27:42,029 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) [2025-03-17 07:27:42,032 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 [2025-03-17 07:27:42,050 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2025-03-17 07:27:42,050 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2025-03-17 07:27:42,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 07:27:42,050 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-17 07:27:42,050 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-17 07:27:42,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#0 [2025-03-17 07:27:42,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#1 [2025-03-17 07:27:42,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#2 [2025-03-17 07:27:42,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#3 [2025-03-17 07:27:42,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#4 [2025-03-17 07:27:42,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#5 [2025-03-17 07:27:42,050 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2025-03-17 07:27:42,050 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2025-03-17 07:27:42,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2025-03-17 07:27:42,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2025-03-17 07:27:42,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2025-03-17 07:27:42,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2025-03-17 07:27:42,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2025-03-17 07:27:42,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2025-03-17 07:27:42,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-17 07:27:42,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-17 07:27:42,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-17 07:27:42,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-17 07:27:42,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-17 07:27:42,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-17 07:27:42,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-17 07:27:42,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-17 07:27:42,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-17 07:27:42,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-17 07:27:42,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-17 07:27:42,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-17 07:27:42,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2025-03-17 07:27:42,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2025-03-17 07:27:42,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2025-03-17 07:27:42,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2025-03-17 07:27:42,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2025-03-17 07:27:42,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2025-03-17 07:27:42,051 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2025-03-17 07:27:42,051 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2025-03-17 07:27:42,051 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2025-03-17 07:27:42,051 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2025-03-17 07:27:42,051 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2025-03-17 07:27:42,051 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2025-03-17 07:27:42,051 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-03-17 07:27:42,051 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-03-17 07:27:42,053 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-17 07:27:42,054 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-17 07:27:42,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-17 07:27:42,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 07:27:42,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-17 07:27:42,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-17 07:27:42,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-17 07:27:42,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-17 07:27:42,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-17 07:27:42,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-17 07:27:42,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 07:27:42,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 07:27:42,055 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-17 07:27:42,055 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-17 07:27:42,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2025-03-17 07:27:42,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2025-03-17 07:27:42,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2025-03-17 07:27:42,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2025-03-17 07:27:42,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2025-03-17 07:27:42,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2025-03-17 07:27:42,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-17 07:27:42,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-17 07:27:42,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-17 07:27:42,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-17 07:27:42,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-17 07:27:42,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-17 07:27:42,057 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2025-03-17 07:27:42,057 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2025-03-17 07:27:42,057 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-17 07:27:42,057 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-17 07:27:42,057 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2025-03-17 07:27:42,057 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2025-03-17 07:27:42,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-17 07:27:42,057 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-03-17 07:27:42,057 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-03-17 07:27:42,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-17 07:27:42,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-17 07:27:42,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-17 07:27:42,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-17 07:27:42,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-17 07:27:42,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-17 07:27:42,057 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_new_from_array [2025-03-17 07:27:42,057 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_new_from_array [2025-03-17 07:27:42,057 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-17 07:27:42,057 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-17 07:27:42,057 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-03-17 07:27:42,057 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-03-17 07:27:42,057 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-17 07:27:42,057 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-17 07:27:42,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-17 07:27:42,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-17 07:27:42,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-17 07:27:42,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-17 07:27:42,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-17 07:27:42,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-17 07:27:42,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#0 [2025-03-17 07:27:42,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#1 [2025-03-17 07:27:42,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#2 [2025-03-17 07:27:42,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#3 [2025-03-17 07:27:42,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#4 [2025-03-17 07:27:42,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#5 [2025-03-17 07:27:42,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 07:27:42,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-17 07:27:42,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-17 07:27:42,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-17 07:27:42,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-17 07:27:42,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-17 07:27:42,317 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 07:27:42,320 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 07:27:42,360 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-17 07:27:42,397 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6244: havoc #t~mem472;havoc #t~short473;havoc #t~mem474;havoc #t~mem475;havoc #t~short476; [2025-03-17 07:27:42,399 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-17 07:27:42,416 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6888: havoc #t~ret561;havoc #t~ite563.base, #t~ite563.offset;havoc #t~ret562.base, #t~ret562.offset; [2025-03-17 07:27:42,431 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-17 07:27:42,437 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6913: havoc #t~ret569.base, #t~ret569.offset; [2025-03-17 07:27:42,472 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L8953-1: assume false; [2025-03-17 07:27:42,472 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L8953-1: assume !false; [2025-03-17 07:27:42,672 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L2617: havoc #t~ret59#1; [2025-03-17 07:27:49,083 INFO L1322 $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; [2025-03-17 07:27:49,240 INFO L? ?]: Removed 166 outVars from TransFormulas that were not future-live. [2025-03-17 07:27:49,240 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 07:27:49,251 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 07:27:49,252 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 07:27:49,253 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:27:49 BoogieIcfgContainer [2025-03-17 07:27:49,253 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 07:27:49,255 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 07:27:49,255 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 07:27:49,259 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 07:27:49,261 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 07:27:40" (1/3) ... [2025-03-17 07:27:49,261 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6556616 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:27:49, skipping insertion in model container [2025-03-17 07:27:49,262 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:27:41" (2/3) ... [2025-03-17 07:27:49,262 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6556616 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:27:49, skipping insertion in model container [2025-03-17 07:27:49,262 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:27:49" (3/3) ... [2025-03-17 07:27:49,263 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_string_new_from_c_str_harness_negated.i [2025-03-17 07:27:49,275 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 07:27:49,278 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_string_new_from_c_str_harness_negated.i that has 21 procedures, 156 locations, 1 initial locations, 13 loop locations, and 1 error locations. [2025-03-17 07:27:49,322 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 07:27:49,331 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;@77775705, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 07:27:49,332 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-17 07:27:49,335 INFO L276 IsEmpty]: Start isEmpty. Operand has 131 states, 81 states have (on average 1.1728395061728396) internal successors, (95), 81 states have internal predecessors, (95), 34 states have call successors, (34), 15 states have call predecessors, (34), 15 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2025-03-17 07:27:49,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2025-03-17 07:27:49,341 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:27:49,341 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] [2025-03-17 07:27:49,342 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:27:49,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:27:49,346 INFO L85 PathProgramCache]: Analyzing trace with hash -279043274, now seen corresponding path program 1 times [2025-03-17 07:27:49,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:27:49,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501502770] [2025-03-17 07:27:49,353 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:27:49,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:28:55,830 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 73 statements into 1 equivalence classes. [2025-03-17 07:28:56,268 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 73 of 73 statements. [2025-03-17 07:28:56,269 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:28:56,269 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:28:56,957 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2025-03-17 07:28:56,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:28:56,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501502770] [2025-03-17 07:28:56,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1501502770] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:28:56,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [583322436] [2025-03-17 07:28:56,959 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:28:56,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:28:56,959 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:28:56,962 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) [2025-03-17 07:28:56,963 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process