./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 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_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-?-8fc3dc6-m [2025-03-17 07:07:02,968 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 07:07:03,019 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-17 07:07:03,026 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 07:07:03,029 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 07:07:03,049 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 07:07:03,050 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 07:07:03,050 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 07:07:03,051 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 07:07:03,051 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 07:07:03,051 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 07:07:03,051 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 07:07:03,052 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 07:07:03,052 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 07:07:03,052 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 07:07:03,052 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 07:07:03,052 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 07:07:03,052 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 07:07:03,052 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 07:07:03,052 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 07:07:03,052 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 07:07:03,052 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 07:07:03,052 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 07:07:03,052 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 07:07:03,052 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 07:07:03,052 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 07:07:03,052 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 07:07:03,052 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 07:07:03,052 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 07:07:03,052 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 07:07:03,053 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 07:07:03,053 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 07:07:03,053 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 07:07:03,053 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 07:07:03,053 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 07:07:03,053 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 07:07:03,053 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 07:07:03,053 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 07:07:03,053 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 07:07:03,053 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 07:07:03,053 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 [2025-03-17 07:07:03,261 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 07:07:03,267 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 07:07:03,271 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 07:07:03,271 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 07:07:03,272 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 07:07:03,273 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_string_harness.i [2025-03-17 07:07:04,375 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95f6ebbea/8cdba70e26f546e5963107c7dc94d17b/FLAG9c91a9af3 [2025-03-17 07:07:04,868 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 07:07:04,870 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_string_harness.i [2025-03-17 07:07:04,909 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95f6ebbea/8cdba70e26f546e5963107c7dc94d17b/FLAG9c91a9af3 [2025-03-17 07:07:04,939 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95f6ebbea/8cdba70e26f546e5963107c7dc94d17b [2025-03-17 07:07:04,940 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 07:07:04,941 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 07:07:04,943 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 07:07:04,943 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 07:07:04,946 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 07:07:04,946 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:07:04" (1/1) ... [2025-03-17 07:07:04,948 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ad0211d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:07:04, skipping insertion in model container [2025-03-17 07:07:04,949 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:07:04" (1/1) ... [2025-03-17 07:07:05,024 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 07:07:05,261 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] [2025-03-17 07:07:05,272 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] [2025-03-17 07:07:05,891 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:07:05,892 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:07:05,892 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:07:05,893 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:07:05,893 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:07:05,905 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:07:05,905 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:07:05,906 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:07:05,907 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:07:06,472 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:07:06,475 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:07:06,561 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 07:07:06,608 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 07:07:06,619 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] [2025-03-17 07:07:06,619 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] [2025-03-17 07:07:06,649 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:07:06,650 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:07:06,650 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:07:06,650 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:07:06,650 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:07:06,655 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:07:06,656 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:07:06,657 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:07:06,657 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:07:06,751 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8253] [2025-03-17 07:07:06,753 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:07:06,753 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:07:06,765 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8739-8750] [2025-03-17 07:07:06,791 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 07:07:06,951 INFO L204 MainTranslator]: Completed translation [2025-03-17 07:07:06,952 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:07:06 WrapperNode [2025-03-17 07:07:06,953 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 07:07:06,953 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 07:07:06,953 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 07:07:06,953 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 07:07:06,958 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:07:06" (1/1) ... [2025-03-17 07:07:07,039 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:07:06" (1/1) ... [2025-03-17 07:07:07,105 INFO L138 Inliner]: procedures = 682, calls = 2791, calls flagged for inlining = 59, calls inlined = 7, statements flattened = 848 [2025-03-17 07:07:07,105 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 07:07:07,106 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 07:07:07,106 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 07:07:07,106 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 07:07:07,115 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:07:06" (1/1) ... [2025-03-17 07:07:07,115 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:07:06" (1/1) ... [2025-03-17 07:07:07,121 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:07:06" (1/1) ... [2025-03-17 07:07:07,173 INFO L175 MemorySlicer]: Split 543 memory accesses to 6 slices as follows [2, 5, 257, 16, 249, 14]. 47 percent of accesses are in the largest equivalence class. The 31 initializations are split as follows [2, 5, 0, 16, 6, 2]. The 494 writes are split as follows [0, 0, 257, 0, 235, 2]. [2025-03-17 07:07:07,174 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:07:06" (1/1) ... [2025-03-17 07:07:07,174 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:07:06" (1/1) ... [2025-03-17 07:07:07,194 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:07:06" (1/1) ... [2025-03-17 07:07:07,197 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:07:06" (1/1) ... [2025-03-17 07:07:07,202 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:07:06" (1/1) ... [2025-03-17 07:07:07,205 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:07:06" (1/1) ... [2025-03-17 07:07:07,219 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 07:07:07,220 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 07:07:07,220 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 07:07:07,220 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 07:07:07,221 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:07:06" (1/1) ... [2025-03-17 07:07:07,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 07:07:07,239 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:07:07,253 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 07:07:07,260 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 07:07:07,279 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2025-03-17 07:07:07,280 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2025-03-17 07:07:07,280 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2025-03-17 07:07:07,280 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2025-03-17 07:07:07,281 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2025-03-17 07:07:07,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2025-03-17 07:07:07,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 07:07:07,282 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-17 07:07:07,282 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-17 07:07:07,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-17 07:07:07,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-17 07:07:07,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-17 07:07:07,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-17 07:07:07,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-17 07:07:07,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-17 07:07:07,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-17 07:07:07,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-17 07:07:07,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-17 07:07:07,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-17 07:07:07,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-17 07:07:07,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-17 07:07:07,283 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-17 07:07:07,284 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-17 07:07:07,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-17 07:07:07,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 07:07:07,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-17 07:07:07,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-17 07:07:07,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-17 07:07:07,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-17 07:07:07,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-17 07:07:07,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-17 07:07:07,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 07:07:07,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 07:07:07,284 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-17 07:07:07,284 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-17 07:07:07,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-17 07:07:07,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-17 07:07:07,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-17 07:07:07,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-17 07:07:07,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-17 07:07:07,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-17 07:07:07,284 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_bytes [2025-03-17 07:07:07,284 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_bytes [2025-03-17 07:07:07,284 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-17 07:07:07,284 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-17 07:07:07,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-17 07:07:07,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-17 07:07:07,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-17 07:07:07,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-17 07:07:07,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-17 07:07:07,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-17 07:07:07,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-17 07:07:07,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-17 07:07:07,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-17 07:07:07,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-17 07:07:07,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-17 07:07:07,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-17 07:07:07,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-17 07:07:07,285 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-17 07:07:07,285 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-17 07:07:07,285 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-17 07:07:07,285 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-17 07:07:07,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-17 07:07:07,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-17 07:07:07,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-17 07:07:07,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-17 07:07:07,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-17 07:07:07,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-17 07:07:07,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 07:07:07,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-17 07:07:07,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-17 07:07:07,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-17 07:07:07,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-17 07:07:07,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-17 07:07:07,575 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 07:07:07,576 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 07:07:07,618 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-17 07:07:07,658 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6256: havoc #t~mem472;havoc #t~short473;havoc #t~mem474;havoc #t~mem475;havoc #t~short476; [2025-03-17 07:07:07,660 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-17 07:07:07,671 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-17 07:07:07,703 INFO L1322 $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; [2025-03-17 07:07:07,739 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6803: havoc #t~ret543#1.base, #t~ret543#1.offset; [2025-03-17 07:07:14,552 INFO L1322 $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; [2025-03-17 07:07:14,553 INFO L1322 $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; [2025-03-17 07:07:14,582 INFO L? ?]: Removed 78 outVars from TransFormulas that were not future-live. [2025-03-17 07:07:14,583 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 07:07:14,589 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 07:07:14,589 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 07:07:14,590 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:07:14 BoogieIcfgContainer [2025-03-17 07:07:14,590 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 07:07:14,591 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 07:07:14,591 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 07:07:14,594 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 07:07:14,594 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 07:07:04" (1/3) ... [2025-03-17 07:07:14,595 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7070447c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:07:14, skipping insertion in model container [2025-03-17 07:07:14,595 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:07:06" (2/3) ... [2025-03-17 07:07:14,595 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7070447c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:07:14, skipping insertion in model container [2025-03-17 07:07:14,595 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:07:14" (3/3) ... [2025-03-17 07:07:14,597 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_from_string_harness.i [2025-03-17 07:07:14,608 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 07:07:14,611 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_cursor_from_string_harness.i that has 11 procedures, 100 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-03-17 07:07:14,650 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 07:07:14,660 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;@4eca8063, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 07:07:14,661 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-17 07:07:14,665 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) [2025-03-17 07:07:14,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2025-03-17 07:07:14,672 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:07:14,673 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] [2025-03-17 07:07:14,673 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:07:14,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:07:14,678 INFO L85 PathProgramCache]: Analyzing trace with hash 326974042, now seen corresponding path program 1 times [2025-03-17 07:07:14,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:07:14,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608466604] [2025-03-17 07:07:14,683 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:07:14,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:08:22,173 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 83 statements into 1 equivalence classes. [2025-03-17 07:08:22,704 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 83 of 83 statements. [2025-03-17 07:08:22,704 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:08:22,705 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:08:23,409 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2025-03-17 07:08:23,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:08:23,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608466604] [2025-03-17 07:08:23,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608466604] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:08:23,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2104880738] [2025-03-17 07:08:23,411 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:08:23,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:08:23,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:08:23,415 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 07:08:23,417 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process