./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_harness.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_cursor_compare_lexical_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 fa640d76b01d20471995032e33acbe8cd362fa74ac26bb02247b6be5b51a4b6c --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 14:11:29,807 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 14:11:29,863 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-22 14:11:29,868 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 14:11:29,868 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 14:11:29,890 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 14:11:29,891 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 14:11:29,891 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 14:11:29,892 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 14:11:29,893 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 14:11:29,893 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 14:11:29,894 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 14:11:29,894 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 14:11:29,896 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 14:11:29,896 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 14:11:29,897 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 14:11:29,897 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 14:11:29,897 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 14:11:29,897 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 14:11:29,897 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 14:11:29,897 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 14:11:29,898 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 14:11:29,899 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 14:11:29,899 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 14:11:29,899 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 14:11:29,900 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 14:11:29,900 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 14:11:29,900 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 14:11:29,900 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 14:11:29,901 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 14:11:29,901 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 14:11:29,901 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 14:11:29,902 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 14:11:29,902 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 14:11:29,902 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 14:11:29,902 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 14:11:29,902 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 14:11:29,903 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 14:11:29,903 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 14:11:29,903 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa640d76b01d20471995032e33acbe8cd362fa74ac26bb02247b6be5b51a4b6c [2024-11-22 14:11:30,121 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 14:11:30,145 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 14:11:30,147 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 14:11:30,148 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 14:11:30,149 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 14:11:30,150 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_harness.i [2024-11-22 14:11:31,319 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 14:11:31,705 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 14:11:31,706 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_harness.i [2024-11-22 14:11:31,741 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5aabd1024/53541f978b1348d2b4e9a06b7159d412/FLAGceef97fa3 [2024-11-22 14:11:31,899 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5aabd1024/53541f978b1348d2b4e9a06b7159d412 [2024-11-22 14:11:31,902 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 14:11:31,903 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 14:11:31,904 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 14:11:31,904 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 14:11:31,908 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 14:11:31,908 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:11:31" (1/1) ... [2024-11-22 14:11:31,909 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68528d8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:11:31, skipping insertion in model container [2024-11-22 14:11:31,909 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:11:31" (1/1) ... [2024-11-22 14:11:32,004 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 14:11:32,210 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_compare_lexical_harness.i[4505,4518] [2024-11-22 14:11:32,218 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_compare_lexical_harness.i[4565,4578] [2024-11-22 14:11:32,672 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:11:32,673 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:11:32,673 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:11:32,674 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:11:32,674 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:11:32,683 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:11:32,683 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:11:32,685 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:11:32,685 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:11:33,036 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:11:33,037 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:11:33,077 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 14:11:33,146 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 14:11:33,162 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_compare_lexical_harness.i[4505,4518] [2024-11-22 14:11:33,162 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_compare_lexical_harness.i[4565,4578] [2024-11-22 14:11:33,194 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:11:33,198 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:11:33,198 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:11:33,199 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:11:33,199 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:11:33,209 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:11:33,209 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:11:33,210 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:11:33,210 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:11:33,300 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8277] [2024-11-22 14:11:33,302 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:11:33,302 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:11:33,310 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8763-8774] [2024-11-22 14:11:33,321 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 14:11:33,473 INFO L204 MainTranslator]: Completed translation [2024-11-22 14:11:33,474 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:11:33 WrapperNode [2024-11-22 14:11:33,474 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 14:11:33,475 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 14:11:33,475 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 14:11:33,475 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 14:11:33,481 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:11:33" (1/1) ... [2024-11-22 14:11:33,549 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:11:33" (1/1) ... [2024-11-22 14:11:33,604 INFO L138 Inliner]: procedures = 680, calls = 2654, calls flagged for inlining = 59, calls inlined = 6, statements flattened = 928 [2024-11-22 14:11:33,604 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 14:11:33,606 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 14:11:33,606 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 14:11:33,606 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 14:11:33,615 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:11:33" (1/1) ... [2024-11-22 14:11:33,616 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:11:33" (1/1) ... [2024-11-22 14:11:33,627 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:11:33" (1/1) ... [2024-11-22 14:11:33,691 INFO L175 MemorySlicer]: Split 558 memory accesses to 7 slices as follows [2, 257, 238, 4, 6, 46, 5]. 46 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 6, 0, 0, 4, 5]. The 494 writes are split as follows [0, 257, 232, 0, 2, 3, 0]. [2024-11-22 14:11:33,692 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:11:33" (1/1) ... [2024-11-22 14:11:33,692 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:11:33" (1/1) ... [2024-11-22 14:11:33,724 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:11:33" (1/1) ... [2024-11-22 14:11:33,727 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:11:33" (1/1) ... [2024-11-22 14:11:33,738 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:11:33" (1/1) ... [2024-11-22 14:11:33,747 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:11:33" (1/1) ... [2024-11-22 14:11:33,756 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 14:11:33,757 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 14:11:33,757 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 14:11:33,757 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 14:11:33,758 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:11:33" (1/1) ... [2024-11-22 14:11:33,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 14:11:33,773 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 14:11:33,788 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 14:11:33,789 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 14:11:33,823 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-22 14:11:33,824 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-22 14:11:33,825 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_compare_lexical [2024-11-22 14:11:33,825 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_compare_lexical [2024-11-22 14:11:33,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-22 14:11:33,825 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-22 14:11:33,825 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-22 14:11:33,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-22 14:11:33,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-22 14:11:33,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-22 14:11:33,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-22 14:11:33,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-22 14:11:33,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-22 14:11:33,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-22 14:11:33,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-22 14:11:33,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-22 14:11:33,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-22 14:11:33,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-22 14:11:33,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-22 14:11:33,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-22 14:11:33,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-22 14:11:33,826 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_bounded [2024-11-22 14:11:33,826 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_bounded [2024-11-22 14:11:33,826 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-22 14:11:33,826 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-22 14:11:33,827 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-22 14:11:33,827 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 14:11:33,827 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2024-11-22 14:11:33,827 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2024-11-22 14:11:33,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-22 14:11:33,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-22 14:11:33,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-22 14:11:33,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-22 14:11:33,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-22 14:11:33,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-22 14:11:33,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-22 14:11:33,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 14:11:33,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 14:11:33,827 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-22 14:11:33,827 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-22 14:11:33,827 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-22 14:11:33,827 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-22 14:11:33,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-22 14:11:33,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-22 14:11:33,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-22 14:11:33,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-22 14:11:33,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-22 14:11:33,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-22 14:11:33,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-22 14:11:33,828 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-22 14:11:33,828 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-22 14:11:33,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-22 14:11:33,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-22 14:11:33,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-22 14:11:33,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-22 14:11:33,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-22 14:11:33,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-22 14:11:33,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-22 14:11:33,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-22 14:11:33,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-22 14:11:33,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-22 14:11:33,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-22 14:11:33,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-22 14:11:33,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-22 14:11:33,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-22 14:11:33,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-22 14:11:33,831 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-22 14:11:33,831 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-22 14:11:33,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-22 14:11:33,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-22 14:11:33,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-22 14:11:33,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-22 14:11:33,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-22 14:11:33,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-22 14:11:33,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-22 14:11:33,832 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_cursor_has_allocated_buffer_member [2024-11-22 14:11:33,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_cursor_has_allocated_buffer_member [2024-11-22 14:11:33,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 14:11:33,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-22 14:11:33,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-22 14:11:33,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-22 14:11:33,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-22 14:11:33,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-22 14:11:33,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-22 14:11:34,069 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 14:11:34,071 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 14:11:41,278 INFO L? ?]: Removed 95 outVars from TransFormulas that were not future-live. [2024-11-22 14:11:41,278 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 14:11:41,293 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 14:11:41,297 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-22 14:11:41,297 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:11:41 BoogieIcfgContainer [2024-11-22 14:11:41,297 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 14:11:41,299 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 14:11:41,299 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 14:11:41,301 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 14:11:41,301 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:11:31" (1/3) ... [2024-11-22 14:11:41,302 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fec3e84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:11:41, skipping insertion in model container [2024-11-22 14:11:41,302 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:11:33" (2/3) ... [2024-11-22 14:11:41,302 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fec3e84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:11:41, skipping insertion in model container [2024-11-22 14:11:41,302 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:11:41" (3/3) ... [2024-11-22 14:11:41,303 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_compare_lexical_harness.i [2024-11-22 14:11:41,315 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 14:11:41,315 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 14:11:41,368 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 14:11:41,374 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;@59c57618, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 14:11:41,375 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 14:11:41,379 INFO L276 IsEmpty]: Start isEmpty. Operand has 149 states, 90 states have (on average 1.2222222222222223) internal successors, (110), 91 states have internal predecessors, (110), 46 states have call successors, (46), 11 states have call predecessors, (46), 11 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-22 14:11:41,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-22 14:11:41,389 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 14:11:41,390 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 14:11:41,390 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 14:11:41,397 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 14:11:41,397 INFO L85 PathProgramCache]: Analyzing trace with hash -1411432407, now seen corresponding path program 1 times [2024-11-22 14:11:41,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 14:11:41,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843609404] [2024-11-22 14:11:41,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:11:41,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 14:12:55,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 14:12:55,850 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2024-11-22 14:12:55,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 14:12:55,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843609404] [2024-11-22 14:12:55,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1843609404] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 14:12:55,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [430243893] [2024-11-22 14:12:55,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:12:55,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 14:12:55,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 14:12:55,856 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 14:12:55,857 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process