./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_append_with_lookup_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/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_append_with_lookup_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 49bf9fd75d56d44e7e1e54aefea9fad1d2b78cb24b15e9eb5cce5de020ddf3d7 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 14:04:04,965 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 14:04:05,041 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-22 14:04:05,044 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 14:04:05,044 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 14:04:05,062 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 14:04:05,062 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 14:04:05,063 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 14:04:05,064 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 14:04:05,064 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 14:04:05,065 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 14:04:05,065 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 14:04:05,065 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 14:04:05,065 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 14:04:05,066 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 14:04:05,066 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 14:04:05,066 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 14:04:05,066 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 14:04:05,066 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 14:04:05,067 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 14:04:05,067 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 14:04:05,068 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 14:04:05,068 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 14:04:05,069 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 14:04:05,069 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 14:04:05,069 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 14:04:05,069 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 14:04:05,070 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 14:04:05,070 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 14:04:05,070 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 14:04:05,070 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 14:04:05,070 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 14:04:05,071 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 14:04:05,071 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 14:04:05,071 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 14:04:05,071 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 14:04:05,071 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 14:04:05,071 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 14:04:05,071 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 14:04:05,072 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 49bf9fd75d56d44e7e1e54aefea9fad1d2b78cb24b15e9eb5cce5de020ddf3d7 [2024-11-22 14:04:05,292 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 14:04:05,311 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 14:04:05,314 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 14:04:05,315 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 14:04:05,315 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 14:04:05,316 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_append_with_lookup_harness_negated.i [2024-11-22 14:04:06,534 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 14:04:06,857 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 14:04:06,858 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_append_with_lookup_harness_negated.i [2024-11-22 14:04:06,890 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a331c6264/086b0ee1eacc49eb89971d3d2fbccbcd/FLAG58212874f [2024-11-22 14:04:06,903 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a331c6264/086b0ee1eacc49eb89971d3d2fbccbcd [2024-11-22 14:04:06,906 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 14:04:06,907 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 14:04:06,909 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 14:04:06,910 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 14:04:06,913 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 14:04:06,914 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:04:06" (1/1) ... [2024-11-22 14:04:06,915 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a26567 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:04:06, skipping insertion in model container [2024-11-22 14:04:06,916 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:04:06" (1/1) ... [2024-11-22 14:04:07,020 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 14:04:07,243 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_append_with_lookup_harness_negated.i[4505,4518] [2024-11-22 14:04:07,250 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_append_with_lookup_harness_negated.i[4565,4578] [2024-11-22 14:04:07,812 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:04:07,812 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:04:07,813 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:04:07,813 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:04:07,814 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:04:07,829 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:04:07,829 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:04:07,831 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:04:07,831 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:04:08,171 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:04:08,171 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:04:08,249 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:04:08,249 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:04:08,330 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 14:04:08,409 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 14:04:08,434 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_append_with_lookup_harness_negated.i[4505,4518] [2024-11-22 14:04:08,437 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_append_with_lookup_harness_negated.i[4565,4578] [2024-11-22 14:04:08,464 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:04:08,465 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:04:08,466 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:04:08,466 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:04:08,466 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:04:08,472 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:04:08,472 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:04:08,473 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:04:08,473 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:04:08,531 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:04:08,531 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:04:08,559 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8265] [2024-11-22 14:04:08,560 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:04:08,561 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:04:08,568 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8751-8762] [2024-11-22 14:04:08,579 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 14:04:08,767 INFO L204 MainTranslator]: Completed translation [2024-11-22 14:04:08,767 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:04:08 WrapperNode [2024-11-22 14:04:08,767 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 14:04:08,768 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 14:04:08,768 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 14:04:08,768 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 14:04:08,773 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:04:08" (1/1) ... [2024-11-22 14:04:08,847 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:04:08" (1/1) ... [2024-11-22 14:04:08,911 INFO L138 Inliner]: procedures = 680, calls = 2646, calls flagged for inlining = 63, calls inlined = 10, statements flattened = 972 [2024-11-22 14:04:08,911 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 14:04:08,912 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 14:04:08,912 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 14:04:08,912 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 14:04:08,925 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:04:08" (1/1) ... [2024-11-22 14:04:08,925 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:04:08" (1/1) ... [2024-11-22 14:04:08,932 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:04:08" (1/1) ... [2024-11-22 14:04:08,981 INFO L175 MemorySlicer]: Split 572 memory accesses to 9 slices as follows [9, 2, 257, 238, 9, 32, 1, 20, 4]. 45 percent of accesses are in the largest equivalence class. The 25 initializations are split as follows [4, 2, 0, 6, 5, 4, 0, 2, 2]. The 494 writes are split as follows [0, 0, 257, 232, 1, 3, 0, 1, 0]. [2024-11-22 14:04:08,982 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:04:08" (1/1) ... [2024-11-22 14:04:08,982 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:04:08" (1/1) ... [2024-11-22 14:04:09,016 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:04:08" (1/1) ... [2024-11-22 14:04:09,023 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:04:08" (1/1) ... [2024-11-22 14:04:09,037 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:04:08" (1/1) ... [2024-11-22 14:04:09,048 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:04:08" (1/1) ... [2024-11-22 14:04:09,064 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 14:04:09,065 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 14:04:09,065 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 14:04:09,065 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 14:04:09,066 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:04:08" (1/1) ... [2024-11-22 14:04:09,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 14:04:09,079 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 14:04:09,095 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) [2024-11-22 14:04:09,097 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 [2024-11-22 14:04:09,130 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-22 14:04:09,130 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-22 14:04:09,131 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-22 14:04:09,131 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-22 14:04:09,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-22 14:04:09,131 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-22 14:04:09,132 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-22 14:04:09,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-22 14:04:09,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-22 14:04:09,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-22 14:04:09,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-22 14:04:09,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-22 14:04:09,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-22 14:04:09,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-22 14:04:09,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-22 14:04:09,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-22 14:04:09,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-22 14:04:09,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-22 14:04:09,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-22 14:04:09,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-22 14:04:09,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-22 14:04:09,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-22 14:04:09,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-22 14:04:09,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-22 14:04:09,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-22 14:04:09,135 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-22 14:04:09,135 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-22 14:04:09,135 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-22 14:04:09,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-22 14:04:09,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-22 14:04:09,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 14:04:09,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-22 14:04:09,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-22 14:04:09,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-22 14:04:09,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-22 14:04:09,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-22 14:04:09,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-22 14:04:09,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-22 14:04:09,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-22 14:04:09,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-22 14:04:09,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 14:04:09,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 14:04:09,137 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-22 14:04:09,137 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-22 14:04:09,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-22 14:04:09,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-22 14:04:09,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-22 14:04:09,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-22 14:04:09,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-22 14:04:09,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-22 14:04:09,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-22 14:04:09,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-22 14:04:09,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-22 14:04:09,138 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-22 14:04:09,138 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-22 14:04:09,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-22 14:04:09,139 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2024-11-22 14:04:09,139 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2024-11-22 14:04:09,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-22 14:04:09,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-22 14:04:09,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-22 14:04:09,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-22 14:04:09,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-22 14:04:09,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-22 14:04:09,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-22 14:04:09,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-22 14:04:09,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-22 14:04:09,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-22 14:04:09,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-22 14:04:09,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-22 14:04:09,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-22 14:04:09,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-22 14:04:09,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-22 14:04:09,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-22 14:04:09,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-22 14:04:09,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-22 14:04:09,140 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-22 14:04:09,140 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-22 14:04:09,140 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2024-11-22 14:04:09,140 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2024-11-22 14:04:09,140 INFO L130 BoogieDeclarations]: Found specification of procedure assert_bytes_match [2024-11-22 14:04:09,140 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_bytes_match [2024-11-22 14:04:09,140 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-22 14:04:09,141 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-22 14:04:09,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-22 14:04:09,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-22 14:04:09,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-22 14:04:09,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-22 14:04:09,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-22 14:04:09,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-22 14:04:09,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-22 14:04:09,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-22 14:04:09,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-22 14:04:09,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 14:04:09,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-22 14:04:09,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-22 14:04:09,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-22 14:04:09,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-22 14:04:09,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-22 14:04:09,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-22 14:04:09,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-22 14:04:09,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-22 14:04:09,421 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 14:04:09,423 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 14:04:16,774 INFO L? ?]: Removed 115 outVars from TransFormulas that were not future-live. [2024-11-22 14:04:16,775 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 14:04:16,789 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 14:04:16,789 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-22 14:04:16,790 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:04:16 BoogieIcfgContainer [2024-11-22 14:04:16,790 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 14:04:16,793 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 14:04:16,793 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 14:04:16,796 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 14:04:16,796 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:04:06" (1/3) ... [2024-11-22 14:04:16,796 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64c4b1b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:04:16, skipping insertion in model container [2024-11-22 14:04:16,797 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:04:08" (2/3) ... [2024-11-22 14:04:16,798 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64c4b1b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:04:16, skipping insertion in model container [2024-11-22 14:04:16,798 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:04:16" (3/3) ... [2024-11-22 14:04:16,799 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_append_with_lookup_harness_negated.i [2024-11-22 14:04:16,811 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 14:04:16,811 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 14:04:16,863 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 14:04:16,868 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;@3e820754, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 14:04:16,868 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 14:04:16,871 INFO L276 IsEmpty]: Start isEmpty. Operand has 164 states, 106 states have (on average 1.2264150943396226) internal successors, (130), 107 states have internal predecessors, (130), 44 states have call successors, (44), 12 states have call predecessors, (44), 12 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-22 14:04:16,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-22 14:04:16,880 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 14:04:16,880 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 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] [2024-11-22 14:04:16,880 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 14:04:16,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 14:04:16,884 INFO L85 PathProgramCache]: Analyzing trace with hash -454301623, now seen corresponding path program 1 times [2024-11-22 14:04:16,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 14:04:16,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524053205] [2024-11-22 14:04:16,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:04:16,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 14:05:28,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 14:05:29,077 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2024-11-22 14:05:29,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 14:05:29,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524053205] [2024-11-22 14:05:29,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524053205] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 14:05:29,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1081449803] [2024-11-22 14:05:29,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:05:29,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 14:05:29,080 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 14:05:29,082 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 14:05:29,083 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process