./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_string_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_string_harness_negated.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 50b1ca614ebad9eb3dfd79de33e45d91140d59dc37b022f2a8ddcabf14cf16e8 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 01:42:16,542 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 01:42:16,615 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-08 01:42:16,621 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 01:42:16,623 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 01:42:16,653 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 01:42:16,654 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 01:42:16,654 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 01:42:16,655 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 01:42:16,655 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 01:42:16,656 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 01:42:16,656 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 01:42:16,656 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 01:42:16,656 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 01:42:16,657 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 01:42:16,657 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 01:42:16,657 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 01:42:16,657 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 01:42:16,657 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 01:42:16,657 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 01:42:16,657 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 01:42:16,658 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 01:42:16,658 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 01:42:16,658 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 01:42:16,658 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 01:42:16,658 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 01:42:16,658 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 01:42:16,658 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 01:42:16,658 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 01:42:16,658 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:42:16,659 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 01:42:16,659 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 01:42:16,659 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 01:42:16,659 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 01:42:16,659 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 01:42:16,660 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 01:42:16,660 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 01:42:16,660 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 01:42:16,660 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 01:42:16,660 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 01:42:16,660 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 -> 50b1ca614ebad9eb3dfd79de33e45d91140d59dc37b022f2a8ddcabf14cf16e8 [2025-02-08 01:42:16,938 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 01:42:16,950 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 01:42:16,952 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 01:42:16,953 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 01:42:16,954 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 01:42:16,955 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_string_harness_negated.i [2025-02-08 01:42:18,197 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f442be4ec/81c7315479a1497482966b669df97606/FLAG11fd04a93 [2025-02-08 01:42:18,674 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 01:42:18,675 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_string_harness_negated.i [2025-02-08 01:42:18,724 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f442be4ec/81c7315479a1497482966b669df97606/FLAG11fd04a93 [2025-02-08 01:42:18,743 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f442be4ec/81c7315479a1497482966b669df97606 [2025-02-08 01:42:18,745 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 01:42:18,747 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 01:42:18,748 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 01:42:18,749 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 01:42:18,753 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 01:42:18,754 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:42:18" (1/1) ... [2025-02-08 01:42:18,755 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10defe5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:42:18, skipping insertion in model container [2025-02-08 01:42:18,756 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:42:18" (1/1) ... [2025-02-08 01:42:18,841 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 01:42:19,056 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_byte_cursor_from_string_harness_negated.i[4501,4514] [2025-02-08 01:42:19,066 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_byte_cursor_from_string_harness_negated.i[4561,4574] [2025-02-08 01:42:19,674 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:42:19,675 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:42:19,675 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:42:19,676 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:42:19,677 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:42:19,688 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:42:19,688 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:42:19,690 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:42:19,690 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:42:20,174 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:42:20,175 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:42:20,313 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:42:20,365 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 01:42:20,380 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_byte_cursor_from_string_harness_negated.i[4501,4514] [2025-02-08 01:42:20,384 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_byte_cursor_from_string_harness_negated.i[4561,4574] [2025-02-08 01:42:20,435 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:42:20,435 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:42:20,436 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:42:20,437 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:42:20,438 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:42:20,443 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:42:20,444 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:42:20,445 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:42:20,445 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:42:20,558 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8221] [2025-02-08 01:42:20,560 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:42:20,561 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:42:20,574 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8707-8718] [2025-02-08 01:42:20,605 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:42:20,867 INFO L204 MainTranslator]: Completed translation [2025-02-08 01:42:20,868 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:42:20 WrapperNode [2025-02-08 01:42:20,868 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 01:42:20,869 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 01:42:20,869 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 01:42:20,870 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 01:42:20,875 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:42:20" (1/1) ... [2025-02-08 01:42:20,972 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:42:20" (1/1) ... [2025-02-08 01:42:21,050 INFO L138 Inliner]: procedures = 682, calls = 2791, calls flagged for inlining = 59, calls inlined = 7, statements flattened = 848 [2025-02-08 01:42:21,054 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 01:42:21,054 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 01:42:21,054 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 01:42:21,054 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 01:42:21,066 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:42:20" (1/1) ... [2025-02-08 01:42:21,067 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:42:20" (1/1) ... [2025-02-08 01:42:21,073 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:42:20" (1/1) ... [2025-02-08 01:42:21,145 INFO L175 MemorySlicer]: Split 543 memory accesses to 6 slices as follows [2, 257, 16, 5, 14, 249]. 47 percent of accesses are in the largest equivalence class. The 31 initializations are split as follows [2, 0, 16, 5, 2, 6]. The 494 writes are split as follows [0, 257, 0, 0, 2, 235]. [2025-02-08 01:42:21,145 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:42:20" (1/1) ... [2025-02-08 01:42:21,145 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:42:20" (1/1) ... [2025-02-08 01:42:21,190 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:42:20" (1/1) ... [2025-02-08 01:42:21,192 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:42:20" (1/1) ... [2025-02-08 01:42:21,203 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:42:20" (1/1) ... [2025-02-08 01:42:21,206 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:42:20" (1/1) ... [2025-02-08 01:42:21,222 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 01:42:21,224 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 01:42:21,225 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 01:42:21,225 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 01:42:21,225 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:42:20" (1/1) ... [2025-02-08 01:42:21,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:42:21,242 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:42:21,258 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-08 01:42:21,265 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-08 01:42:21,285 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2025-02-08 01:42:21,286 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2025-02-08 01:42:21,286 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2025-02-08 01:42:21,287 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2025-02-08 01:42:21,287 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2025-02-08 01:42:21,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2025-02-08 01:42:21,288 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 01:42:21,288 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-08 01:42:21,288 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-08 01:42:21,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-08 01:42:21,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-08 01:42:21,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-08 01:42:21,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-08 01:42:21,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-08 01:42:21,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-08 01:42:21,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 01:42:21,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 01:42:21,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-08 01:42:21,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-08 01:42:21,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-08 01:42:21,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-08 01:42:21,289 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 01:42:21,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 01:42:21,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-08 01:42:21,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 01:42:21,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-08 01:42:21,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-08 01:42:21,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-08 01:42:21,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-08 01:42:21,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-08 01:42:21,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-08 01:42:21,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 01:42:21,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 01:42:21,291 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-08 01:42:21,291 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-08 01:42:21,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-08 01:42:21,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-08 01:42:21,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-08 01:42:21,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-08 01:42:21,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-08 01:42:21,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-08 01:42:21,292 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_bytes [2025-02-08 01:42:21,292 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_bytes [2025-02-08 01:42:21,292 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-08 01:42:21,292 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-08 01:42:21,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 01:42:21,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-08 01:42:21,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-08 01:42:21,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-08 01:42:21,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-08 01:42:21,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-08 01:42:21,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-08 01:42:21,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-08 01:42:21,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-08 01:42:21,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-08 01:42:21,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-08 01:42:21,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-08 01:42:21,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-08 01:42:21,294 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-08 01:42:21,294 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-08 01:42:21,294 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-02-08 01:42:21,294 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-02-08 01:42:21,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 01:42:21,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 01:42:21,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-08 01:42:21,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-08 01:42:21,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-08 01:42:21,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-08 01:42:21,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 01:42:21,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 01:42:21,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-08 01:42:21,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-08 01:42:21,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-08 01:42:21,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-08 01:42:21,567 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 01:42:21,569 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 01:42:21,617 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2025-02-08 01:42:21,637 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6244: havoc #t~mem472;havoc #t~short473;havoc #t~mem474;havoc #t~mem475;havoc #t~short476; [2025-02-08 01:42:21,639 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-02-08 01:42:21,650 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-08 01:42:21,678 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7339: havoc #t~mem693;havoc #t~mem694;havoc #t~mem695.base, #t~mem695.offset;havoc #t~short696;havoc #t~mem697;havoc #t~mem698.base, #t~mem698.offset;havoc #t~short699;havoc #t~short700;havoc #t~short701;havoc #t~short702; [2025-02-08 01:42:21,717 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6791: havoc #t~ret543#1.base, #t~ret543#1.offset; [2025-02-08 01:42:29,137 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L8209: havoc aws_byte_cursor_from_array_#t~mem1080#1;havoc aws_byte_cursor_from_array_#t~mem1081#1.base, aws_byte_cursor_from_array_#t~mem1081#1.offset;call ULTIMATE.dealloc(aws_byte_cursor_from_array_~#cur~2#1.base, aws_byte_cursor_from_array_~#cur~2#1.offset);havoc aws_byte_cursor_from_array_~#cur~2#1.base, aws_byte_cursor_from_array_~#cur~2#1.offset; [2025-02-08 01:42:29,138 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9484: havoc aws_byte_cursor_from_string_#t~ret1346#1.base, aws_byte_cursor_from_string_#t~ret1346#1.offset;havoc aws_byte_cursor_from_string_#t~mem1347#1;havoc aws_byte_cursor_from_string_#t~ret1348#1.len, aws_byte_cursor_from_string_#t~ret1348#1.ptr.base, aws_byte_cursor_from_string_#t~ret1348#1.ptr.offset; [2025-02-08 01:42:29,174 INFO L? ?]: Removed 78 outVars from TransFormulas that were not future-live. [2025-02-08 01:42:29,175 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 01:42:29,186 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 01:42:29,188 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 01:42:29,188 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:42:29 BoogieIcfgContainer [2025-02-08 01:42:29,189 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 01:42:29,190 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 01:42:29,190 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 01:42:29,195 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 01:42:29,195 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 01:42:18" (1/3) ... [2025-02-08 01:42:29,196 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65f07135 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:42:29, skipping insertion in model container [2025-02-08 01:42:29,196 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:42:20" (2/3) ... [2025-02-08 01:42:29,196 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65f07135 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:42:29, skipping insertion in model container [2025-02-08 01:42:29,197 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:42:29" (3/3) ... [2025-02-08 01:42:29,198 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_from_string_harness_negated.i [2025-02-08 01:42:29,211 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 01:42:29,215 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_cursor_from_string_harness_negated.i that has 11 procedures, 100 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-02-08 01:42:29,265 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 01:42:29,277 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;@44a6e81f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 01:42:29,278 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-08 01:42:29,282 INFO L276 IsEmpty]: Start isEmpty. Operand has 100 states, 63 states have (on average 1.1904761904761905) internal successors, (75), 64 states have internal predecessors, (75), 25 states have call successors, (25), 10 states have call predecessors, (25), 10 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2025-02-08 01:42:29,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2025-02-08 01:42:29,290 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:42:29,291 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 01:42:29,291 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:42:29,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:42:29,296 INFO L85 PathProgramCache]: Analyzing trace with hash 326974042, now seen corresponding path program 1 times [2025-02-08 01:42:29,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:42:29,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874186693] [2025-02-08 01:42:29,303 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:42:29,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:43:37,914 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 83 statements into 1 equivalence classes. [2025-02-08 01:43:38,631 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 83 of 83 statements. [2025-02-08 01:43:38,632 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:43:38,632 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:43:39,589 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2025-02-08 01:43:39,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:43:39,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874186693] [2025-02-08 01:43:39,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [874186693] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:43:39,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [737228773] [2025-02-08 01:43:39,591 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:43:39,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:43:39,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:43:39,594 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 01:43:39,596 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