./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_string_harness.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_byte_cursor_from_string_harness.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 c3b06783378816ab028e38f9f4609990f4d1028238bbcb0e88638ebb644bb54d --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 17:59:28,239 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 17:59:28,293 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-08 17:59:28,297 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 17:59:28,299 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 17:59:28,319 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 17:59:28,320 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 17:59:28,320 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 17:59:28,321 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 17:59:28,321 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 17:59:28,321 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 17:59:28,322 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 17:59:28,322 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 17:59:28,322 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 17:59:28,322 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 17:59:28,322 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 17:59:28,322 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 17:59:28,322 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 17:59:28,322 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 17:59:28,322 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 17:59:28,322 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 17:59:28,322 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 17:59:28,322 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 17:59:28,322 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 17:59:28,322 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 17:59:28,323 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 17:59:28,323 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 17:59:28,323 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 17:59:28,323 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 17:59:28,323 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 17:59:28,323 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 17:59:28,323 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 17:59:28,323 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 17:59:28,323 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 17:59:28,323 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 17:59:28,323 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 17:59:28,323 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 17:59:28,323 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 17:59:28,323 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 17:59:28,323 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 17:59:28,323 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 -> c3b06783378816ab028e38f9f4609990f4d1028238bbcb0e88638ebb644bb54d [2025-03-08 17:59:28,530 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 17:59:28,538 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 17:59:28,541 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 17:59:28,541 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 17:59:28,542 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 17:59:28,543 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_string_harness.i [2025-03-08 17:59:29,621 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6b56b963/4b0f757d24204353876b4d6073fb3520/FLAG2d5b8785b [2025-03-08 17:59:30,123 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 17:59:30,125 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_string_harness.i [2025-03-08 17:59:30,156 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6b56b963/4b0f757d24204353876b4d6073fb3520/FLAG2d5b8785b [2025-03-08 17:59:30,166 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6b56b963/4b0f757d24204353876b4d6073fb3520 [2025-03-08 17:59:30,167 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 17:59:30,168 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 17:59:30,169 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 17:59:30,169 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 17:59:30,173 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 17:59:30,173 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 05:59:30" (1/1) ... [2025-03-08 17:59:30,174 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18ef71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:59:30, skipping insertion in model container [2025-03-08 17:59:30,174 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 05:59:30" (1/1) ... [2025-03-08 17:59:30,225 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 17:59:30,396 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_byte_cursor_from_string_harness.i[4501,4514] [2025-03-08 17:59:30,402 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_byte_cursor_from_string_harness.i[4561,4574] [2025-03-08 17:59:30,957 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:59:30,957 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:59:30,958 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:59:30,958 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:59:30,958 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:59:30,971 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:59:30,971 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:59:30,972 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:59:30,972 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:59:31,364 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:59:31,365 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:59:31,453 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 17:59:31,494 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 17:59:31,504 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_byte_cursor_from_string_harness.i[4501,4514] [2025-03-08 17:59:31,506 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_byte_cursor_from_string_harness.i[4561,4574] [2025-03-08 17:59:31,540 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:59:31,540 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:59:31,541 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:59:31,541 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:59:31,542 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:59:31,572 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:59:31,574 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:59:31,575 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:59:31,575 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:59:31,664 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8253] [2025-03-08 17:59:31,666 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:59:31,666 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:59:31,678 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8739-8750] [2025-03-08 17:59:31,700 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 17:59:31,877 INFO L204 MainTranslator]: Completed translation [2025-03-08 17:59:31,878 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:59:31 WrapperNode [2025-03-08 17:59:31,879 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 17:59:31,879 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 17:59:31,880 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 17:59:31,880 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 17:59:31,884 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:59:31" (1/1) ... [2025-03-08 17:59:31,950 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:59:31" (1/1) ... [2025-03-08 17:59:31,998 INFO L138 Inliner]: procedures = 682, calls = 2791, calls flagged for inlining = 59, calls inlined = 7, statements flattened = 848 [2025-03-08 17:59:31,999 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 17:59:31,999 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 17:59:31,999 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 17:59:31,999 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 17:59:32,009 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:59:31" (1/1) ... [2025-03-08 17:59:32,009 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:59:31" (1/1) ... [2025-03-08 17:59:32,014 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:59:31" (1/1) ... [2025-03-08 17:59:32,069 INFO L175 MemorySlicer]: Split 543 memory accesses to 6 slices as follows [2, 5, 14, 257, 16, 249]. 47 percent of accesses are in the largest equivalence class. The 31 initializations are split as follows [2, 5, 2, 0, 16, 6]. The 494 writes are split as follows [0, 0, 2, 257, 0, 235]. [2025-03-08 17:59:32,069 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:59:31" (1/1) ... [2025-03-08 17:59:32,069 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:59:31" (1/1) ... [2025-03-08 17:59:32,096 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:59:31" (1/1) ... [2025-03-08 17:59:32,098 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:59:31" (1/1) ... [2025-03-08 17:59:32,124 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:59:31" (1/1) ... [2025-03-08 17:59:32,126 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:59:31" (1/1) ... [2025-03-08 17:59:32,134 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 17:59:32,137 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 17:59:32,137 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 17:59:32,138 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 17:59:32,138 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:59:31" (1/1) ... [2025-03-08 17:59:32,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 17:59:32,152 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 17:59:32,163 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 17:59:32,166 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 17:59:32,183 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2025-03-08 17:59:32,184 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2025-03-08 17:59:32,184 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2025-03-08 17:59:32,184 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2025-03-08 17:59:32,184 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2025-03-08 17:59:32,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2025-03-08 17:59:32,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-08 17:59:32,184 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-08 17:59:32,184 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-08 17:59:32,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-08 17:59:32,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-08 17:59:32,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-08 17:59:32,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-08 17:59:32,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-08 17:59:32,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-08 17:59:32,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-08 17:59:32,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-08 17:59:32,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-08 17:59:32,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-08 17:59:32,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-08 17:59:32,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-08 17:59:32,186 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-08 17:59:32,186 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-08 17:59:32,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-08 17:59:32,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 17:59:32,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-08 17:59:32,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-08 17:59:32,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-08 17:59:32,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-08 17:59:32,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-08 17:59:32,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-08 17:59:32,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 17:59:32,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 17:59:32,187 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-08 17:59:32,187 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-08 17:59:32,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-08 17:59:32,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-08 17:59:32,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-08 17:59:32,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-08 17:59:32,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-08 17:59:32,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-08 17:59:32,188 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_bytes [2025-03-08 17:59:32,188 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_bytes [2025-03-08 17:59:32,188 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 17:59:32,188 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 17:59:32,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-08 17:59:32,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-08 17:59:32,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-08 17:59:32,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-08 17:59:32,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-08 17:59:32,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-08 17:59:32,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-08 17:59:32,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-08 17:59:32,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-08 17:59:32,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-08 17:59:32,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-08 17:59:32,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-08 17:59:32,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-08 17:59:32,189 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-08 17:59:32,189 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-08 17:59:32,189 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-08 17:59:32,189 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-08 17:59:32,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-08 17:59:32,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-08 17:59:32,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-08 17:59:32,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-08 17:59:32,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-08 17:59:32,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-08 17:59:32,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 17:59:32,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-08 17:59:32,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-08 17:59:32,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-08 17:59:32,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-08 17:59:32,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-08 17:59:32,413 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 17:59:32,414 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 17:59:32,437 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-08 17:59:32,476 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6256: havoc #t~mem472;havoc #t~short473;havoc #t~mem474;havoc #t~mem475;havoc #t~short476; [2025-03-08 17:59:32,478 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-08 17:59:32,489 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-08 17:59:32,510 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7371: 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; [2025-03-08 17:59:32,537 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6803: havoc #t~ret543#1.base, #t~ret543#1.offset; [2025-03-08 17:59:38,934 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9518: 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; [2025-03-08 17:59:38,934 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8241: 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; [2025-03-08 17:59:38,961 INFO L? ?]: Removed 81 outVars from TransFormulas that were not future-live. [2025-03-08 17:59:38,961 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 17:59:38,971 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 17:59:38,973 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 17:59:38,973 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 05:59:38 BoogieIcfgContainer [2025-03-08 17:59:38,973 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 17:59:38,975 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 17:59:38,975 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 17:59:38,978 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 17:59:38,978 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 05:59:30" (1/3) ... [2025-03-08 17:59:38,978 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c4e3296 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 05:59:38, skipping insertion in model container [2025-03-08 17:59:38,978 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:59:31" (2/3) ... [2025-03-08 17:59:38,978 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c4e3296 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 05:59:38, skipping insertion in model container [2025-03-08 17:59:38,979 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 05:59:38" (3/3) ... [2025-03-08 17:59:38,981 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_from_string_harness.i [2025-03-08 17:59:38,991 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 17:59:38,992 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_cursor_from_string_harness.i that has 11 procedures, 104 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-03-08 17:59:39,034 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 17:59:39,044 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;@5ebc2140, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 17:59:39,044 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 17:59:39,047 INFO L276 IsEmpty]: Start isEmpty. Operand has 104 states, 67 states have (on average 1.1791044776119404) internal successors, (79), 68 states have internal predecessors, (79), 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) [2025-03-08 17:59:39,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2025-03-08 17:59:39,054 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 17:59:39,055 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, 1, 1] [2025-03-08 17:59:39,055 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 17:59:39,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 17:59:39,058 INFO L85 PathProgramCache]: Analyzing trace with hash -887177288, now seen corresponding path program 1 times [2025-03-08 17:59:39,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 17:59:39,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480411365] [2025-03-08 17:59:39,063 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 17:59:39,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:00:55,884 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes. [2025-03-08 18:00:56,459 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-03-08 18:00:56,459 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:00:56,459 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:00:57,137 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2025-03-08 18:00:57,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:00:57,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480411365] [2025-03-08 18:00:57,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [480411365] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 18:00:57,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1693370838] [2025-03-08 18:00:57,138 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:00:57,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:00:57,138 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:00:57,174 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 18:00:57,176 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process