./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lookup_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_compare_lookup_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 8ccdea72ddab462e9567b7f56695cddd8d47da872c9a3d4b09c71a162ef49999 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 02:12:00,917 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 02:12:00,996 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-19 02:12:01,002 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 02:12:01,003 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 02:12:01,036 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 02:12:01,038 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 02:12:01,038 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 02:12:01,039 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 02:12:01,040 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 02:12:01,040 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 02:12:01,040 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 02:12:01,041 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 02:12:01,041 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 02:12:01,041 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 02:12:01,041 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 02:12:01,042 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 02:12:01,042 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 02:12:01,042 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 02:12:01,042 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 02:12:01,042 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 02:12:01,046 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 02:12:01,046 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 02:12:01,046 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 02:12:01,047 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 02:12:01,047 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 02:12:01,047 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 02:12:01,047 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 02:12:01,047 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 02:12:01,047 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 02:12:01,047 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 02:12:01,048 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 02:12:01,048 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 02:12:01,048 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 02:12:01,048 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 02:12:01,048 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 02:12:01,048 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 02:12:01,048 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 02:12:01,049 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 02:12:01,049 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ccdea72ddab462e9567b7f56695cddd8d47da872c9a3d4b09c71a162ef49999 [2024-11-19 02:12:01,260 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 02:12:01,290 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 02:12:01,292 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 02:12:01,293 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 02:12:01,294 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 02:12:01,294 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lookup_harness.i [2024-11-19 02:12:02,581 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 02:12:03,000 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 02:12:03,001 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lookup_harness.i [2024-11-19 02:12:03,036 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee3a5150c/e61770485c2a4b96bb82720805163f9c/FLAGc6a58b3be [2024-11-19 02:12:03,051 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee3a5150c/e61770485c2a4b96bb82720805163f9c [2024-11-19 02:12:03,054 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 02:12:03,055 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 02:12:03,057 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 02:12:03,057 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 02:12:03,064 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 02:12:03,064 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:12:03" (1/1) ... [2024-11-19 02:12:03,065 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f5a3e50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:12:03, skipping insertion in model container [2024-11-19 02:12:03,065 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:12:03" (1/1) ... [2024-11-19 02:12:03,158 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 02:12:03,354 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lookup_harness.i[4504,4517] [2024-11-19 02:12:03,361 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_lookup_harness.i[4564,4577] [2024-11-19 02:12:03,869 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:12:03,874 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:12:03,876 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:12:03,876 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:12:03,877 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:12:03,898 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:12:03,899 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:12:03,900 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:12:03,900 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:12:04,285 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:12:04,286 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:12:04,369 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 02:12:04,411 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 02:12:04,430 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_lookup_harness.i[4504,4517] [2024-11-19 02:12:04,430 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_lookup_harness.i[4564,4577] [2024-11-19 02:12:04,455 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:12:04,459 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:12:04,459 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:12:04,460 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:12:04,460 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:12:04,468 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:12:04,472 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:12:04,473 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:12:04,473 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:12:04,569 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8277] [2024-11-19 02:12:04,571 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:12:04,571 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:12:04,581 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8763-8774] [2024-11-19 02:12:04,598 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 02:12:04,783 INFO L204 MainTranslator]: Completed translation [2024-11-19 02:12:04,784 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:12:04 WrapperNode [2024-11-19 02:12:04,784 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 02:12:04,785 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 02:12:04,785 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 02:12:04,785 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 02:12:04,791 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:12:04" (1/1) ... [2024-11-19 02:12:04,867 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:12:04" (1/1) ... [2024-11-19 02:12:04,934 INFO L138 Inliner]: procedures = 680, calls = 2647, calls flagged for inlining = 58, calls inlined = 4, statements flattened = 835 [2024-11-19 02:12:04,934 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 02:12:04,935 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 02:12:04,935 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 02:12:04,935 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 02:12:04,945 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:12:04" (1/1) ... [2024-11-19 02:12:04,945 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:12:04" (1/1) ... [2024-11-19 02:12:04,953 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:12:04" (1/1) ... [2024-11-19 02:12:05,016 INFO L175 MemorySlicer]: Split 548 memory accesses to 8 slices as follows [2, 4, 257, 238, 2, 6, 34, 5]. 47 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 0, 6, 0, 0, 4, 5]. The 494 writes are split as follows [0, 0, 257, 232, 0, 2, 3, 0]. [2024-11-19 02:12:05,020 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:12:04" (1/1) ... [2024-11-19 02:12:05,020 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:12:04" (1/1) ... [2024-11-19 02:12:05,058 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:12:04" (1/1) ... [2024-11-19 02:12:05,061 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:12:04" (1/1) ... [2024-11-19 02:12:05,068 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:12:04" (1/1) ... [2024-11-19 02:12:05,071 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:12:04" (1/1) ... [2024-11-19 02:12:05,080 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 02:12:05,081 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 02:12:05,081 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 02:12:05,081 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 02:12:05,082 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:12:04" (1/1) ... [2024-11-19 02:12:05,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 02:12:05,107 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:12:05,122 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 02:12:05,126 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 02:12:05,162 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-19 02:12:05,162 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-19 02:12:05,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 02:12:05,162 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-19 02:12:05,162 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-19 02:12:05,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-19 02:12:05,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-19 02:12:05,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-19 02:12:05,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-19 02:12:05,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-19 02:12:05,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-19 02:12:05,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-19 02:12:05,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-19 02:12:05,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 02:12:05,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 02:12:05,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 02:12:05,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-19 02:12:05,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-19 02:12:05,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-19 02:12:05,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-19 02:12:05,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-19 02:12:05,166 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_bounded [2024-11-19 02:12:05,166 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_bounded [2024-11-19 02:12:05,166 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-19 02:12:05,166 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-19 02:12:05,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 02:12:05,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 02:12:05,166 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2024-11-19 02:12:05,167 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2024-11-19 02:12:05,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 02:12:05,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 02:12:05,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 02:12:05,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-19 02:12:05,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-19 02:12:05,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-19 02:12:05,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-19 02:12:05,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-19 02:12:05,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 02:12:05,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 02:12:05,168 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-19 02:12:05,168 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-19 02:12:05,168 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-19 02:12:05,168 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-19 02:12:05,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-19 02:12:05,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-19 02:12:05,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-19 02:12:05,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-19 02:12:05,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-19 02:12:05,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-19 02:12:05,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-19 02:12:05,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-19 02:12:05,170 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-19 02:12:05,170 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-19 02:12:05,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 02:12:05,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 02:12:05,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 02:12:05,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 02:12:05,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-19 02:12:05,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-19 02:12:05,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-19 02:12:05,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-19 02:12:05,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-19 02:12:05,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-19 02:12:05,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-19 02:12:05,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-19 02:12:05,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-19 02:12:05,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-19 02:12:05,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-19 02:12:05,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-19 02:12:05,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-19 02:12:05,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 02:12:05,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 02:12:05,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 02:12:05,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-19 02:12:05,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-19 02:12:05,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-19 02:12:05,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-19 02:12:05,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-19 02:12:05,173 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_cursor_has_allocated_buffer_member [2024-11-19 02:12:05,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_cursor_has_allocated_buffer_member [2024-11-19 02:12:05,173 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_compare_lookup [2024-11-19 02:12:05,173 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_compare_lookup [2024-11-19 02:12:05,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 02:12:05,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 02:12:05,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 02:12:05,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 02:12:05,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-19 02:12:05,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-19 02:12:05,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-19 02:12:05,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-19 02:12:05,461 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 02:12:05,463 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 02:12:13,067 INFO L? ?]: Removed 78 outVars from TransFormulas that were not future-live. [2024-11-19 02:12:13,067 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 02:12:13,078 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 02:12:13,078 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-19 02:12:13,078 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:12:13 BoogieIcfgContainer [2024-11-19 02:12:13,078 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 02:12:13,080 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 02:12:13,080 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 02:12:13,082 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 02:12:13,082 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:12:03" (1/3) ... [2024-11-19 02:12:13,083 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d095eeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:12:13, skipping insertion in model container [2024-11-19 02:12:13,083 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:12:04" (2/3) ... [2024-11-19 02:12:13,083 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d095eeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:12:13, skipping insertion in model container [2024-11-19 02:12:13,083 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:12:13" (3/3) ... [2024-11-19 02:12:13,084 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_compare_lookup_harness.i [2024-11-19 02:12:13,096 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 02:12:13,096 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 02:12:13,136 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 02:12:13,141 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;@2bf0f573, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 02:12:13,141 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 02:12:13,144 INFO L276 IsEmpty]: Start isEmpty. Operand has 133 states, 80 states have (on average 1.2625) internal successors, (101), 81 states have internal predecessors, (101), 41 states have call successors, (41), 10 states have call predecessors, (41), 10 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) [2024-11-19 02:12:13,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-19 02:12:13,153 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 02:12:13,154 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2024-11-19 02:12:13,154 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 02:12:13,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 02:12:13,158 INFO L85 PathProgramCache]: Analyzing trace with hash -912149048, now seen corresponding path program 1 times [2024-11-19 02:12:13,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 02:12:13,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32666966] [2024-11-19 02:12:13,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:12:13,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 02:13:27,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:13:30,237 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-19 02:13:30,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 02:13:30,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32666966] [2024-11-19 02:13:30,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [32666966] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 02:13:30,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1277933085] [2024-11-19 02:13:30,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:13:30,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 02:13:30,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:13:30,243 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 02:13:30,244 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process