./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_buf_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_buf_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 13ec24500153ff48401c44b6cbf6e64bbffda498093f21927cfcfb52ad2376ab --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 02:14:07,873 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 02:14:07,925 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-19 02:14:07,932 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 02:14:07,932 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 02:14:07,951 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 02:14:07,952 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 02:14:07,952 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 02:14:07,952 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 02:14:07,953 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 02:14:07,953 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 02:14:07,953 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 02:14:07,954 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 02:14:07,954 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 02:14:07,954 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 02:14:07,954 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 02:14:07,955 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 02:14:07,955 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 02:14:07,955 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 02:14:07,955 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 02:14:07,956 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 02:14:07,958 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 02:14:07,959 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 02:14:07,959 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 02:14:07,962 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 02:14:07,963 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 02:14:07,963 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 02:14:07,963 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 02:14:07,963 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 02:14:07,963 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 02:14:07,964 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 02:14:07,964 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 02:14:07,964 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 02:14:07,964 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 02:14:07,964 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 02:14:07,964 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 02:14:07,964 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 02:14:07,965 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 02:14:07,965 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 02:14:07,965 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 13ec24500153ff48401c44b6cbf6e64bbffda498093f21927cfcfb52ad2376ab [2024-11-19 02:14:08,169 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 02:14:08,187 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 02:14:08,190 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 02:14:08,191 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 02:14:08,192 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 02:14:08,192 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_buf_harness.i [2024-11-19 02:14:09,476 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 02:14:09,839 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 02:14:09,839 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_buf_harness.i [2024-11-19 02:14:09,873 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05d75e0f1/2f1fe928206b4ee895d6a8664bd7e5c2/FLAGf29074822 [2024-11-19 02:14:09,887 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05d75e0f1/2f1fe928206b4ee895d6a8664bd7e5c2 [2024-11-19 02:14:09,890 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 02:14:09,891 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 02:14:09,894 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 02:14:09,894 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 02:14:09,898 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 02:14:09,899 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:14:09" (1/1) ... [2024-11-19 02:14:09,900 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c1b0916 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:14:09, skipping insertion in model container [2024-11-19 02:14:09,900 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:14:09" (1/1) ... [2024-11-19 02:14:10,005 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 02:14:10,230 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_buf_harness.i[4498,4511] [2024-11-19 02:14:10,237 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_buf_harness.i[4558,4571] [2024-11-19 02:14:10,705 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:14:10,706 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:14:10,706 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:14:10,709 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:14:10,710 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:14:10,719 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:14:10,719 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:14:10,723 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:14:10,724 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:14:11,111 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:14:11,112 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:14:11,154 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 02:14:11,200 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 02:14:11,212 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_buf_harness.i[4498,4511] [2024-11-19 02:14:11,214 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_buf_harness.i[4558,4571] [2024-11-19 02:14:11,252 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:14:11,253 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:14:11,253 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:14:11,253 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:14:11,253 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:14:11,265 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:14:11,266 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:14:11,266 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:14:11,267 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:14:11,369 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2024-11-19 02:14:11,371 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:14:11,371 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:14:11,383 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8755-8766] [2024-11-19 02:14:11,395 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 02:14:11,702 INFO L204 MainTranslator]: Completed translation [2024-11-19 02:14:11,703 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:14:11 WrapperNode [2024-11-19 02:14:11,703 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 02:14:11,704 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 02:14:11,704 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 02:14:11,704 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 02:14:11,709 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:14:11" (1/1) ... [2024-11-19 02:14:11,793 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:14:11" (1/1) ... [2024-11-19 02:14:11,867 INFO L138 Inliner]: procedures = 679, calls = 2633, calls flagged for inlining = 61, calls inlined = 9, statements flattened = 870 [2024-11-19 02:14:11,868 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 02:14:11,868 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 02:14:11,869 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 02:14:11,869 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 02:14:11,879 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:14:11" (1/1) ... [2024-11-19 02:14:11,879 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:14:11" (1/1) ... [2024-11-19 02:14:11,888 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:14:11" (1/1) ... [2024-11-19 02:14:11,943 INFO L175 MemorySlicer]: Split 565 memory accesses to 6 slices as follows [2, 14, 257, 39, 247, 6]. 45 percent of accesses are in the largest equivalence class. The 23 initializations are split as follows [2, 2, 0, 8, 11, 0]. The 495 writes are split as follows [0, 2, 257, 2, 232, 2]. [2024-11-19 02:14:11,947 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:14:11" (1/1) ... [2024-11-19 02:14:11,947 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:14:11" (1/1) ... [2024-11-19 02:14:11,975 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:14:11" (1/1) ... [2024-11-19 02:14:11,980 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:14:11" (1/1) ... [2024-11-19 02:14:11,993 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:14:11" (1/1) ... [2024-11-19 02:14:11,998 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:14:11" (1/1) ... [2024-11-19 02:14:12,005 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 02:14:12,006 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 02:14:12,006 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 02:14:12,006 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 02:14:12,007 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:14:11" (1/1) ... [2024-11-19 02:14:12,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 02:14:12,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:14:12,036 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) [2024-11-19 02:14:12,039 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 [2024-11-19 02:14:12,073 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-19 02:14:12,074 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-19 02:14:12,075 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-19 02:14:12,075 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-19 02:14:12,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 02:14:12,075 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-19 02:14:12,076 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-19 02:14:12,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-19 02:14:12,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-19 02:14:12,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-19 02:14:12,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-19 02:14:12,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-19 02:14:12,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-19 02:14:12,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 02:14:12,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 02:14:12,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 02:14:12,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-19 02:14:12,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-19 02:14:12,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-19 02:14:12,076 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-19 02:14:12,076 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-19 02:14:12,077 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_from_buf [2024-11-19 02:14:12,077 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_from_buf [2024-11-19 02:14:12,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 02:14:12,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 02:14:12,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 02:14:12,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 02:14:12,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 02:14:12,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-19 02:14:12,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-19 02:14:12,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-19 02:14:12,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 02:14:12,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 02:14:12,077 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-19 02:14:12,077 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-19 02:14:12,077 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-19 02:14:12,077 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-19 02:14:12,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-19 02:14:12,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-19 02:14:12,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-19 02:14:12,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-19 02:14:12,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-19 02:14:12,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-19 02:14:12,078 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-19 02:14:12,078 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-19 02:14:12,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 02:14:12,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 02:14:12,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 02:14:12,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 02:14:12,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-19 02:14:12,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-19 02:14:12,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-19 02:14:12,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-19 02:14:12,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-19 02:14:12,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-19 02:14:12,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-19 02:14:12,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-19 02:14:12,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-19 02:14:12,079 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-19 02:14:12,079 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-19 02:14:12,079 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-19 02:14:12,079 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-19 02:14:12,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 02:14:12,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 02:14:12,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 02:14:12,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-19 02:14:12,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-19 02:14:12,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-19 02:14:12,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 02:14:12,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 02:14:12,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 02:14:12,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 02:14:12,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-19 02:14:12,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-19 02:14:12,303 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 02:14:12,305 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 02:14:19,709 INFO L? ?]: Removed 125 outVars from TransFormulas that were not future-live. [2024-11-19 02:14:19,709 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 02:14:19,719 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 02:14:19,720 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-19 02:14:19,720 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:14:19 BoogieIcfgContainer [2024-11-19 02:14:19,721 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 02:14:19,723 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 02:14:19,723 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 02:14:19,725 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 02:14:19,725 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:14:09" (1/3) ... [2024-11-19 02:14:19,726 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b860404 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:14:19, skipping insertion in model container [2024-11-19 02:14:19,726 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:14:11" (2/3) ... [2024-11-19 02:14:19,726 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b860404 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:14:19, skipping insertion in model container [2024-11-19 02:14:19,727 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:14:19" (3/3) ... [2024-11-19 02:14:19,728 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_from_buf_harness.i [2024-11-19 02:14:19,740 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 02:14:19,740 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 02:14:19,786 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 02:14:19,793 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;@2dbbbf35, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 02:14:19,793 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 02:14:19,799 INFO L276 IsEmpty]: Start isEmpty. Operand has 128 states, 88 states have (on average 1.25) internal successors, (110), 89 states have internal predecessors, (110), 28 states have call successors, (28), 10 states have call predecessors, (28), 10 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-19 02:14:19,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-19 02:14:19,806 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 02:14:19,807 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-11-19 02:14:19,807 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 02:14:19,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 02:14:19,812 INFO L85 PathProgramCache]: Analyzing trace with hash -1503850868, now seen corresponding path program 1 times [2024-11-19 02:14:19,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 02:14:19,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835518420] [2024-11-19 02:14:19,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:14:19,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 02:15:34,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:15:37,229 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-19 02:15:37,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 02:15:37,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835518420] [2024-11-19 02:15:37,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835518420] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 02:15:37,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1986243413] [2024-11-19 02:15:37,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:15:37,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 02:15:37,233 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:15:37,235 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) [2024-11-19 02:15:37,236 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process