./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 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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_1.5.800.v20200727-1323.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 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 19:53:42,021 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 19:53:42,095 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-16 19:53:42,106 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 19:53:42,107 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 19:53:42,141 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 19:53:42,142 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 19:53:42,142 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 19:53:42,143 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 19:53:42,143 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 19:53:42,143 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 19:53:42,144 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 19:53:42,144 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 19:53:42,145 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 19:53:42,145 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 19:53:42,145 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 19:53:42,146 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 19:53:42,146 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 19:53:42,146 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 19:53:42,147 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 19:53:42,147 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 19:53:42,148 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 19:53:42,148 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 19:53:42,148 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 19:53:42,149 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 19:53:42,149 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 19:53:42,149 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 19:53:42,150 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 19:53:42,150 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 19:53:42,150 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 19:53:42,151 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 19:53:42,151 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 19:53:42,151 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 19:53:42,151 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 19:53:42,152 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 19:53:42,152 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 19:53:42,152 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 19:53:42,153 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 19:53:42,153 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 19:53:42,153 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c3b06783378816ab028e38f9f4609990f4d1028238bbcb0e88638ebb644bb54d [2024-11-16 19:53:42,404 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 19:53:42,433 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 19:53:42,436 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 19:53:42,437 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 19:53:42,438 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 19:53:42,439 INFO L431 ainManager$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 [2024-11-16 19:53:44,004 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 19:53:44,498 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 19:53:44,499 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_string_harness.i [2024-11-16 19:53:44,544 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4dc242a8d/d5885498d4374c58b92c971c55313c09/FLAG002749c90 [2024-11-16 19:53:44,561 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4dc242a8d/d5885498d4374c58b92c971c55313c09 [2024-11-16 19:53:44,565 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 19:53:44,567 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 19:53:44,569 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 19:53:44,569 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 19:53:44,574 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 19:53:44,574 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:53:44" (1/1) ... [2024-11-16 19:53:44,575 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b6dab28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:53:44, skipping insertion in model container [2024-11-16 19:53:44,575 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:53:44" (1/1) ... [2024-11-16 19:53:44,672 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 19:53:44,983 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] [2024-11-16 19:53:45,002 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] [2024-11-16 19:53:45,980 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:53:45,981 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:53:45,981 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:53:45,982 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:53:45,983 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:53:46,035 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:53:46,035 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:53:46,037 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:53:46,038 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:53:46,647 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:53:46,647 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:53:46,800 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 19:53:46,867 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 19:53:46,888 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] [2024-11-16 19:53:46,889 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] [2024-11-16 19:53:46,936 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:53:46,936 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:53:46,937 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:53:46,937 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:53:46,937 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:53:46,944 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:53:46,944 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:53:46,945 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:53:46,945 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:53:47,052 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8253] [2024-11-16 19:53:47,054 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:53:47,054 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:53:47,069 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8739-8750] [2024-11-16 19:53:47,101 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 19:53:47,351 INFO L204 MainTranslator]: Completed translation [2024-11-16 19:53:47,351 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:53:47 WrapperNode [2024-11-16 19:53:47,352 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 19:53:47,353 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 19:53:47,353 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 19:53:47,353 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 19:53:47,359 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:53:47" (1/1) ... [2024-11-16 19:53:47,462 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:53:47" (1/1) ... [2024-11-16 19:53:47,585 INFO L138 Inliner]: procedures = 682, calls = 2791, calls flagged for inlining = 59, calls inlined = 7, statements flattened = 848 [2024-11-16 19:53:47,586 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 19:53:47,587 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 19:53:47,587 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 19:53:47,587 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 19:53:47,599 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:53:47" (1/1) ... [2024-11-16 19:53:47,599 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:53:47" (1/1) ... [2024-11-16 19:53:47,614 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:53:47" (1/1) ... [2024-11-16 19:53:47,695 INFO L175 MemorySlicer]: Split 543 memory accesses to 6 slices as follows [2, 257, 5, 14, 16, 249]. 47 percent of accesses are in the largest equivalence class. The 31 initializations are split as follows [2, 0, 5, 2, 16, 6]. The 494 writes are split as follows [0, 257, 0, 2, 0, 235]. [2024-11-16 19:53:47,699 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:53:47" (1/1) ... [2024-11-16 19:53:47,700 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:53:47" (1/1) ... [2024-11-16 19:53:47,743 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:53:47" (1/1) ... [2024-11-16 19:53:47,748 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:53:47" (1/1) ... [2024-11-16 19:53:47,759 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:53:47" (1/1) ... [2024-11-16 19:53:47,770 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:53:47" (1/1) ... [2024-11-16 19:53:47,786 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 19:53:47,788 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 19:53:47,788 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 19:53:47,788 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 19:53:47,789 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:53:47" (1/1) ... [2024-11-16 19:53:47,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 19:53:47,807 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 19:53:47,825 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) [2024-11-16 19:53:47,827 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 [2024-11-16 19:53:47,872 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2024-11-16 19:53:47,874 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2024-11-16 19:53:47,874 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-16 19:53:47,875 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-16 19:53:47,875 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2024-11-16 19:53:47,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2024-11-16 19:53:47,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-16 19:53:47,875 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-16 19:53:47,875 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-16 19:53:47,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-16 19:53:47,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-16 19:53:47,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-16 19:53:47,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-16 19:53:47,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-16 19:53:47,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-16 19:53:47,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-16 19:53:47,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-16 19:53:47,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-16 19:53:47,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-16 19:53:47,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-16 19:53:47,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-16 19:53:47,876 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-16 19:53:47,876 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-16 19:53:47,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-16 19:53:47,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 19:53:47,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-16 19:53:47,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-16 19:53:47,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-16 19:53:47,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-16 19:53:47,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-16 19:53:47,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-16 19:53:47,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 19:53:47,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 19:53:47,877 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-16 19:53:47,877 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-16 19:53:47,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-16 19:53:47,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-16 19:53:47,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-16 19:53:47,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-16 19:53:47,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-16 19:53:47,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-16 19:53:47,877 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_bytes [2024-11-16 19:53:47,878 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_bytes [2024-11-16 19:53:47,878 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 19:53:47,878 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 19:53:47,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-16 19:53:47,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-16 19:53:47,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-16 19:53:47,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-16 19:53:47,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-16 19:53:47,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-16 19:53:47,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-16 19:53:47,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-16 19:53:47,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-16 19:53:47,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-16 19:53:47,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-16 19:53:47,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-16 19:53:47,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-16 19:53:47,881 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-16 19:53:47,881 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-16 19:53:47,881 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-16 19:53:47,881 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-16 19:53:47,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-16 19:53:47,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-16 19:53:47,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-16 19:53:47,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-16 19:53:47,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-16 19:53:47,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-16 19:53:47,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 19:53:47,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-16 19:53:47,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-16 19:53:47,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-16 19:53:47,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-16 19:53:47,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-16 19:53:48,184 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 19:53:48,187 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 19:53:48,217 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2024-11-16 19:53:48,247 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6256: havoc #t~mem472;havoc #t~short473;havoc #t~mem474;havoc #t~mem475;havoc #t~short476; [2024-11-16 19:53:48,249 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2024-11-16 19:53:48,267 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2024-11-16 19:53:48,309 INFO L1250 $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; [2024-11-16 19:53:48,350 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6803: havoc #t~ret543#1.base, #t~ret543#1.offset; [2024-11-16 19:53:56,024 INFO L1250 $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; [2024-11-16 19:53:56,025 INFO L1250 $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; [2024-11-16 19:53:56,058 INFO L? ?]: Removed 81 outVars from TransFormulas that were not future-live. [2024-11-16 19:53:56,058 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 19:53:56,070 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 19:53:56,071 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 19:53:56,072 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:53:56 BoogieIcfgContainer [2024-11-16 19:53:56,072 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 19:53:56,074 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 19:53:56,075 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 19:53:56,078 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 19:53:56,078 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 07:53:44" (1/3) ... [2024-11-16 19:53:56,080 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d413d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:53:56, skipping insertion in model container [2024-11-16 19:53:56,080 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:53:47" (2/3) ... [2024-11-16 19:53:56,080 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d413d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:53:56, skipping insertion in model container [2024-11-16 19:53:56,081 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:53:56" (3/3) ... [2024-11-16 19:53:56,083 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_from_string_harness.i [2024-11-16 19:53:56,099 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 19:53:56,099 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 19:53:56,165 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 19:53:56,173 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;@441250a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 19:53:56,173 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 19:53:56,178 INFO L276 IsEmpty]: Start isEmpty. Operand has 105 states, 68 states have (on average 1.1764705882352942) internal successors, (80), 69 states have internal predecessors, (80), 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) [2024-11-16 19:53:56,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-16 19:53:56,189 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 19:53:56,190 INFO L215 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] [2024-11-16 19:53:56,191 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 19:53:56,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 19:53:56,197 INFO L85 PathProgramCache]: Analyzing trace with hash -1336910280, now seen corresponding path program 1 times [2024-11-16 19:53:56,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 19:53:56,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241545910] [2024-11-16 19:53:56,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 19:53:56,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 19:55:12,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:55:13,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 19:55:13,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:55:13,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 19:55:13,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:55:13,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 19:55:13,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:55:13,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 19:55:13,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:55:13,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 19:55:13,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:55:13,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-16 19:55:13,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:55:13,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 19:55:13,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:55:13,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 19:55:13,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:55:13,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 19:55:13,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:55:13,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 19:55:13,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:55:13,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 19:55:13,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:55:13,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-16 19:55:13,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:55:13,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-16 19:55:13,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:55:13,991 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-11-16 19:55:13,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 19:55:13,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241545910] [2024-11-16 19:55:13,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241545910] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 19:55:13,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 19:55:13,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 19:55:13,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999250762] [2024-11-16 19:55:13,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 19:55:14,000 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 19:55:14,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 19:55:14,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 19:55:14,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-16 19:55:14,028 INFO L87 Difference]: Start difference. First operand has 105 states, 68 states have (on average 1.1764705882352942) internal successors, (80), 69 states have internal predecessors, (80), 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) Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (14), 4 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-16 19:55:18,227 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 19:55:22,707 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.48s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers []