./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_from_array_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f 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_negated.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 21679144795116178deef7f7b83d9bfd574d2654471f96c7eabc488fa148c44f --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 08:41:15,962 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 08:41:16,017 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-12 08:41:16,021 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 08:41:16,023 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 08:41:16,039 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 08:41:16,039 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 08:41:16,040 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 08:41:16,040 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 08:41:16,040 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 08:41:16,041 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 08:41:16,041 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 08:41:16,041 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 08:41:16,042 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 08:41:16,042 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 08:41:16,042 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 08:41:16,043 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 08:41:16,043 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 08:41:16,043 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 08:41:16,043 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 08:41:16,044 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 08:41:16,044 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 08:41:16,044 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 08:41:16,044 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 08:41:16,045 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 08:41:16,045 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 08:41:16,045 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 08:41:16,045 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 08:41:16,046 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 08:41:16,046 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 08:41:16,046 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 08:41:16,046 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 08:41:16,046 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 08:41:16,047 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 08:41:16,047 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 08:41:16,051 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 08:41:16,051 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 08:41:16,051 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 08:41:16,051 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 08:41:16,051 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 21679144795116178deef7f7b83d9bfd574d2654471f96c7eabc488fa148c44f [2024-11-12 08:41:16,261 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 08:41:16,284 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 08:41:16,287 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 08:41:16,288 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 08:41:16,288 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 08:41:16,289 INFO L431 ainManager$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_negated.i [2024-11-12 08:41:17,529 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 08:41:17,898 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 08:41:17,900 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_from_array_harness_negated.i [2024-11-12 08:41:17,933 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a035bba15/fecd254f611c409992a7488f2fad5771/FLAGe031df10e [2024-11-12 08:41:17,944 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a035bba15/fecd254f611c409992a7488f2fad5771 [2024-11-12 08:41:17,948 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 08:41:17,949 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 08:41:17,950 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 08:41:17,950 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 08:41:17,954 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 08:41:17,955 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 08:41:17" (1/1) ... [2024-11-12 08:41:17,955 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12ece43a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:41:17, skipping insertion in model container [2024-11-12 08:41:17,956 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 08:41:17" (1/1) ... [2024-11-12 08:41:18,064 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 08:41:18,280 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_negated.i[4497,4510] [2024-11-12 08:41:18,288 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_negated.i[4557,4570] [2024-11-12 08:41:18,778 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:41:18,779 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:41:18,779 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:41:18,779 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:41:18,780 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:41:18,789 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:41:18,792 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:41:18,794 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:41:18,794 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:41:19,241 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:41:19,242 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:41:19,290 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 08:41:19,338 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 08:41:19,353 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_negated.i[4497,4510] [2024-11-12 08:41:19,354 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_negated.i[4557,4570] [2024-11-12 08:41:19,385 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:41:19,385 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:41:19,386 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:41:19,386 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:41:19,387 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:41:19,395 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:41:19,395 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:41:19,396 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:41:19,396 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:41:19,496 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8237] [2024-11-12 08:41:19,498 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:41:19,498 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:41:19,509 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8723-8734] [2024-11-12 08:41:19,520 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 08:41:19,730 INFO L204 MainTranslator]: Completed translation [2024-11-12 08:41:19,731 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:41:19 WrapperNode [2024-11-12 08:41:19,731 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 08:41:19,732 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 08:41:19,732 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 08:41:19,732 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 08:41:19,740 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:41:19" (1/1) ... [2024-11-12 08:41:19,841 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:41:19" (1/1) ... [2024-11-12 08:41:19,906 INFO L138 Inliner]: procedures = 679, calls = 2610, calls flagged for inlining = 56, calls inlined = 4, statements flattened = 765 [2024-11-12 08:41:19,906 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 08:41:19,907 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 08:41:19,907 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 08:41:19,907 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 08:41:19,916 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:41:19" (1/1) ... [2024-11-12 08:41:19,916 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:41:19" (1/1) ... [2024-11-12 08:41:19,923 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:41:19" (1/1) ... [2024-11-12 08:41:19,987 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]. [2024-11-12 08:41:19,987 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:41:19" (1/1) ... [2024-11-12 08:41:19,988 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:41:19" (1/1) ... [2024-11-12 08:41:20,007 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:41:19" (1/1) ... [2024-11-12 08:41:20,010 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:41:19" (1/1) ... [2024-11-12 08:41:20,067 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:41:19" (1/1) ... [2024-11-12 08:41:20,071 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:41:19" (1/1) ... [2024-11-12 08:41:20,087 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 08:41:20,088 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 08:41:20,088 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 08:41:20,088 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 08:41:20,089 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:41:19" (1/1) ... [2024-11-12 08:41:20,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 08:41:20,113 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 08:41:20,127 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) [2024-11-12 08:41:20,129 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 [2024-11-12 08:41:20,165 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-12 08:41:20,166 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-12 08:41:20,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-12 08:41:20,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-12 08:41:20,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-12 08:41:20,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-12 08:41:20,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-12 08:41:20,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-12 08:41:20,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-12 08:41:20,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-12 08:41:20,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-12 08:41:20,169 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-12 08:41:20,169 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-12 08:41:20,169 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-12 08:41:20,169 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-12 08:41:20,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-12 08:41:20,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 08:41:20,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-12 08:41:20,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-12 08:41:20,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-12 08:41:20,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-12 08:41:20,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-12 08:41:20,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 08:41:20,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 08:41:20,170 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-12 08:41:20,170 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-12 08:41:20,170 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-12 08:41:20,170 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-12 08:41:20,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-12 08:41:20,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-12 08:41:20,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-12 08:41:20,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-12 08:41:20,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-12 08:41:20,171 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 08:41:20,171 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 08:41:20,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-12 08:41:20,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-12 08:41:20,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-12 08:41:20,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-12 08:41:20,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-12 08:41:20,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-12 08:41:20,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-12 08:41:20,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-12 08:41:20,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-12 08:41:20,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-12 08:41:20,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-12 08:41:20,173 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-12 08:41:20,173 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-12 08:41:20,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-12 08:41:20,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-12 08:41:20,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-12 08:41:20,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-12 08:41:20,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-12 08:41:20,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 08:41:20,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-12 08:41:20,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-12 08:41:20,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-12 08:41:20,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-12 08:41:20,174 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_from_array [2024-11-12 08:41:20,175 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_from_array [2024-11-12 08:41:20,419 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 08:41:20,421 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 08:41:27,666 INFO L? ?]: Removed 51 outVars from TransFormulas that were not future-live. [2024-11-12 08:41:27,667 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 08:41:27,677 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 08:41:27,678 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-12 08:41:27,678 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:41:27 BoogieIcfgContainer [2024-11-12 08:41:27,678 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 08:41:27,680 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 08:41:27,680 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 08:41:27,682 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 08:41:27,682 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 08:41:17" (1/3) ... [2024-11-12 08:41:27,683 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6acce16e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 08:41:27, skipping insertion in model container [2024-11-12 08:41:27,683 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:41:19" (2/3) ... [2024-11-12 08:41:27,683 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6acce16e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 08:41:27, skipping insertion in model container [2024-11-12 08:41:27,683 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:41:27" (3/3) ... [2024-11-12 08:41:27,684 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_from_array_harness_negated.i [2024-11-12 08:41:27,697 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 08:41:27,697 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 08:41:27,756 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 08:41:27,762 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;@3622d500, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 08:41:27,762 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 08:41:27,765 INFO L276 IsEmpty]: Start isEmpty. Operand has 78 states, 53 states have (on average 1.2264150943396226) internal successors, (65), 54 states have internal predecessors, (65), 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) [2024-11-12 08:41:27,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-12 08:41:27,770 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 08:41:27,771 INFO L218 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] [2024-11-12 08:41:27,771 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 08:41:27,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 08:41:27,809 INFO L85 PathProgramCache]: Analyzing trace with hash 942573112, now seen corresponding path program 1 times [2024-11-12 08:41:27,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 08:41:27,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643658120] [2024-11-12 08:41:27,819 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 08:41:27,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 08:42:44,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:42:44,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 08:42:44,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:42:44,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 08:42:44,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:42:44,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 08:42:44,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:42:44,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-12 08:42:44,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:42:44,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-12 08:42:44,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:42:44,975 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 08:42:44,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 08:42:44,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643658120] [2024-11-12 08:42:44,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [643658120] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 08:42:44,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 08:42:44,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 08:42:44,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332094724] [2024-11-12 08:42:44,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 08:42:44,981 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 08:42:44,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 08:42:45,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 08:42:45,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 08:42:45,002 INFO L87 Difference]: Start difference. First operand has 78 states, 53 states have (on average 1.2264150943396226) internal successors, (65), 54 states have internal predecessors, (65), 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) [2024-11-12 08:42:49,158 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-12 08:42:50,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 08:42:50,437 INFO L93 Difference]: Finished difference Result 146 states and 194 transitions. [2024-11-12 08:42:50,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 08:42:50,444 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 [2024-11-12 08:42:50,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 08:42:50,453 INFO L225 Difference]: With dead ends: 146 [2024-11-12 08:42:50,453 INFO L226 Difference]: Without dead ends: 71 [2024-11-12 08:42:50,457 INFO L434 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 [2024-11-12 08:42:50,460 INFO L435 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 [2024-11-12 08:42:50,460 INFO L436 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] [2024-11-12 08:42:50,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2024-11-12 08:42:50,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2024-11-12 08:42:50,493 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) [2024-11-12 08:42:50,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 86 transitions. [2024-11-12 08:42:50,497 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 86 transitions. Word has length 36 [2024-11-12 08:42:50,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 08:42:50,498 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 86 transitions. [2024-11-12 08:42:50,498 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) [2024-11-12 08:42:50,499 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 86 transitions. [2024-11-12 08:42:50,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-12 08:42:50,500 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 08:42:50,500 INFO L218 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] [2024-11-12 08:42:50,500 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 08:42:50,500 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 08:42:50,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 08:42:50,501 INFO L85 PathProgramCache]: Analyzing trace with hash 72004472, now seen corresponding path program 1 times [2024-11-12 08:42:50,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 08:42:50,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073423678] [2024-11-12 08:42:50,502 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 08:42:50,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms