./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_from_array_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_buf_from_array_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 9b31a0de2b621799e7704a1edbde99c549dd0681127022ee400e76db9f90281d --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 19:45:46,717 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 19:45:46,775 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-16 19:45:46,782 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 19:45:46,783 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 19:45:46,802 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 19:45:46,803 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 19:45:46,803 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 19:45:46,804 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 19:45:46,804 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 19:45:46,804 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 19:45:46,805 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 19:45:46,806 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 19:45:46,806 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 19:45:46,807 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 19:45:46,807 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 19:45:46,809 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 19:45:46,809 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 19:45:46,809 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 19:45:46,809 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 19:45:46,809 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 19:45:46,812 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 19:45:46,812 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 19:45:46,812 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 19:45:46,812 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 19:45:46,812 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 19:45:46,813 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 19:45:46,813 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 19:45:46,813 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 19:45:46,813 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 19:45:46,813 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 19:45:46,814 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 19:45:46,814 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 19:45:46,814 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 19:45:46,814 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 19:45:46,814 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 19:45:46,814 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 19:45:46,814 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 19:45:46,815 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 19:45:46,815 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9b31a0de2b621799e7704a1edbde99c549dd0681127022ee400e76db9f90281d [2024-11-16 19:45:47,013 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 19:45:47,032 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 19:45:47,035 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 19:45:47,036 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 19:45:47,036 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 19:45:47,037 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_from_array_harness.i [2024-11-16 19:45:48,270 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 19:45:48,617 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 19:45:48,618 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_from_array_harness.i [2024-11-16 19:45:48,647 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d7d1787f/fd8238b21b3e4b6989945d2b3bbfe5d9/FLAGc8473ebcd [2024-11-16 19:45:48,657 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d7d1787f/fd8238b21b3e4b6989945d2b3bbfe5d9 [2024-11-16 19:45:48,659 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 19:45:48,660 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 19:45:48,661 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 19:45:48,661 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 19:45:48,665 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 19:45:48,666 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:45:48" (1/1) ... [2024-11-16 19:45:48,667 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1263869 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:45:48, skipping insertion in model container [2024-11-16 19:45:48,667 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:45:48" (1/1) ... [2024-11-16 19:45:48,768 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 19:45:48,983 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_buf_from_array_harness.i[4497,4510] [2024-11-16 19:45:48,992 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_buf_from_array_harness.i[4557,4570] [2024-11-16 19:45:49,536 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:45:49,537 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:45:49,537 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:45:49,538 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:45:49,539 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:45:49,553 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:45:49,553 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:45:49,555 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:45:49,555 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:45:49,992 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:45:49,994 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:45:50,054 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 19:45:50,098 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 19:45:50,113 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_buf_from_array_harness.i[4497,4510] [2024-11-16 19:45:50,114 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_buf_from_array_harness.i[4557,4570] [2024-11-16 19:45:50,141 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:45:50,141 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:45:50,141 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:45:50,141 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:45:50,142 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:45:50,145 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:45:50,145 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:45:50,146 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:45:50,146 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:45:50,227 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2024-11-16 19:45:50,229 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:45:50,229 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:45:50,238 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8755-8766] [2024-11-16 19:45:50,246 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 19:45:50,447 INFO L204 MainTranslator]: Completed translation [2024-11-16 19:45:50,448 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:45:50 WrapperNode [2024-11-16 19:45:50,448 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 19:45:50,449 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 19:45:50,449 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 19:45:50,449 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 19:45:50,454 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:45:50" (1/1) ... [2024-11-16 19:45:50,524 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:45:50" (1/1) ... [2024-11-16 19:45:50,584 INFO L138 Inliner]: procedures = 679, calls = 2610, calls flagged for inlining = 56, calls inlined = 4, statements flattened = 765 [2024-11-16 19:45:50,584 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 19:45:50,585 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 19:45:50,585 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 19:45:50,585 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 19:45:50,595 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:45:50" (1/1) ... [2024-11-16 19:45:50,596 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:45:50" (1/1) ... [2024-11-16 19:45:50,603 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:45:50" (1/1) ... [2024-11-16 19:45:50,665 INFO L175 MemorySlicer]: Split 530 memory accesses to 5 slices as follows [2, 257, 240, 26, 5]. 48 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 6, 4, 5]. The 493 writes are split as follows [0, 257, 232, 4, 0]. [2024-11-16 19:45:50,666 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:45:50" (1/1) ... [2024-11-16 19:45:50,666 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:45:50" (1/1) ... [2024-11-16 19:45:50,698 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:45:50" (1/1) ... [2024-11-16 19:45:50,703 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:45:50" (1/1) ... [2024-11-16 19:45:50,707 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:45:50" (1/1) ... [2024-11-16 19:45:50,745 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:45:50" (1/1) ... [2024-11-16 19:45:50,758 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 19:45:50,760 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 19:45:50,761 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 19:45:50,761 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 19:45:50,761 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:45:50" (1/1) ... [2024-11-16 19:45:50,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 19:45:50,775 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 19:45:50,789 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 19:45:50,794 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 19:45:50,828 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-16 19:45:50,830 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-16 19:45:50,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-16 19:45:50,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-16 19:45:50,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-16 19:45:50,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-16 19:45:50,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-16 19:45:50,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-16 19:45:50,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-16 19:45:50,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-16 19:45:50,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-16 19:45:50,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-16 19:45:50,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-16 19:45:50,831 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-16 19:45:50,832 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-16 19:45:50,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-16 19:45:50,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 19:45:50,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-16 19:45:50,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-16 19:45:50,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-16 19:45:50,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-16 19:45:50,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-16 19:45:50,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 19:45:50,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 19:45:50,832 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-16 19:45:50,833 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-16 19:45:50,833 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-16 19:45:50,833 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-16 19:45:50,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-16 19:45:50,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-16 19:45:50,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-16 19:45:50,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-16 19:45:50,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-16 19:45:50,833 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 19:45:50,833 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 19:45:50,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-16 19:45:50,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-16 19:45:50,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-16 19:45:50,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-16 19:45:50,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-16 19:45:50,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-16 19:45:50,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-16 19:45:50,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-16 19:45:50,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-16 19:45:50,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-16 19:45:50,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-16 19:45:50,834 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-16 19:45:50,834 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-16 19:45:50,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-16 19:45:50,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-16 19:45:50,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-16 19:45:50,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-16 19:45:50,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-16 19:45:50,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 19:45:50,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-16 19:45:50,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-16 19:45:50,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-16 19:45:50,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-16 19:45:50,835 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_from_array [2024-11-16 19:45:50,835 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_from_array [2024-11-16 19:45:51,039 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 19:45:51,040 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 19:45:51,069 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2024-11-16 19:45:51,071 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2024-11-16 19:45:51,073 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2024-11-16 19:45:51,129 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7377: havoc #t~mem678;havoc #t~mem679;havoc #t~short680;havoc #t~mem681.base, #t~mem681.offset;havoc #t~short682;havoc #t~mem683;havoc #t~mem684;havoc #t~mem685;havoc #t~short686;havoc #t~mem687;havoc #t~mem688.base, #t~mem688.offset;havoc #t~short689;havoc #t~short690;havoc #t~short691;havoc #t~short692; [2024-11-16 19:45:51,170 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L8215: havoc #t~mem1058;havoc #t~mem1059.base, #t~mem1059.offset;havoc #t~mem1060;havoc #t~mem1061.base, #t~mem1061.offset;call ULTIMATE.dealloc(~#buf~1.base, ~#buf~1.offset);havoc ~#buf~1.base, ~#buf~1.offset; [2024-11-16 19:45:57,920 INFO L? ?]: Removed 51 outVars from TransFormulas that were not future-live. [2024-11-16 19:45:57,920 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 19:45:57,932 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 19:45:57,932 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 19:45:57,933 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:45:57 BoogieIcfgContainer [2024-11-16 19:45:57,933 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 19:45:57,934 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 19:45:57,934 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 19:45:57,937 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 19:45:57,937 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 07:45:48" (1/3) ... [2024-11-16 19:45:57,939 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3817b79b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:45:57, skipping insertion in model container [2024-11-16 19:45:57,939 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:45:50" (2/3) ... [2024-11-16 19:45:57,940 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3817b79b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:45:57, skipping insertion in model container [2024-11-16 19:45:57,940 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:45:57" (3/3) ... [2024-11-16 19:45:57,941 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_from_array_harness.i [2024-11-16 19:45:57,955 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 19:45:57,955 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 19:45:58,002 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 19:45:58,007 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;@7c510deb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 19:45:58,008 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 19:45:58,011 INFO L276 IsEmpty]: Start isEmpty. Operand has 79 states, 54 states have (on average 1.2222222222222223) internal successors, (66), 55 states have internal predecessors, (66), 16 states have call successors, (16), 7 states have call predecessors, (16), 7 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-16 19:45:58,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-16 19:45:58,018 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 19:45:58,019 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-16 19:45:58,020 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 19:45:58,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 19:45:58,025 INFO L85 PathProgramCache]: Analyzing trace with hash -916515778, now seen corresponding path program 1 times [2024-11-16 19:45:58,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 19:45:58,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811531956] [2024-11-16 19:45:58,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 19:45:58,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 19:47:15,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:47:16,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 19:47:16,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:47:16,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-16 19:47:16,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:47:16,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 19:47:16,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:47:16,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-16 19:47:16,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:47:16,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-16 19:47:16,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:47:16,359 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-16 19:47:16,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 19:47:16,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811531956] [2024-11-16 19:47:16,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811531956] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 19:47:16,361 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 19:47:16,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 19:47:16,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717368639] [2024-11-16 19:47:16,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 19:47:16,366 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 19:47:16,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 19:47:16,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 19:47:16,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 19:47:16,385 INFO L87 Difference]: Start difference. First operand has 79 states, 54 states have (on average 1.2222222222222223) internal successors, (66), 55 states have internal predecessors, (66), 16 states have call successors, (16), 7 states have call predecessors, (16), 7 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 19:47:20,525 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 19:47:21,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 19:47:21,866 INFO L93 Difference]: Finished difference Result 147 states and 195 transitions. [2024-11-16 19:47:21,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 19:47:21,869 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 36 [2024-11-16 19:47:21,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 19:47:21,874 INFO L225 Difference]: With dead ends: 147 [2024-11-16 19:47:21,874 INFO L226 Difference]: Without dead ends: 71 [2024-11-16 19:47:21,876 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 19:47:21,878 INFO L432 NwaCegarLoop]: 56 mSDtfsCounter, 37 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 15 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2024-11-16 19:47:21,879 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 78 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 56 Invalid, 1 Unknown, 0 Unchecked, 5.4s Time] [2024-11-16 19:47:21,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2024-11-16 19:47:21,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2024-11-16 19:47:21,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 47 states have (on average 1.1702127659574468) internal successors, (55), 48 states have internal predecessors, (55), 16 states have call successors, (16), 7 states have call predecessors, (16), 7 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-16 19:47:21,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 86 transitions. [2024-11-16 19:47:21,907 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 86 transitions. Word has length 36 [2024-11-16 19:47:21,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 19:47:21,907 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 86 transitions. [2024-11-16 19:47:21,907 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 19:47:21,908 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 86 transitions. [2024-11-16 19:47:21,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-16 19:47:21,909 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 19:47:21,909 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-16 19:47:21,909 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 19:47:21,909 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 19:47:21,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 19:47:21,910 INFO L85 PathProgramCache]: Analyzing trace with hash 795683550, now seen corresponding path program 1 times [2024-11-16 19:47:21,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 19:47:21,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971111569] [2024-11-16 19:47:21,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 19:47:21,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms