./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_advance_nospec_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_advance_nospec_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 1928632139fa770e6728c6d37f1b756676e5811f226db8d488914b16150b3c5e --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 02:11:28,190 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 02:11:28,272 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-19 02:11:28,279 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 02:11:28,279 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 02:11:28,315 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 02:11:28,316 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 02:11:28,316 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 02:11:28,317 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 02:11:28,318 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 02:11:28,318 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 02:11:28,318 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 02:11:28,319 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 02:11:28,319 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 02:11:28,320 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 02:11:28,320 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 02:11:28,321 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 02:11:28,321 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 02:11:28,324 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 02:11:28,324 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 02:11:28,324 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 02:11:28,325 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 02:11:28,325 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 02:11:28,326 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 02:11:28,326 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 02:11:28,326 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 02:11:28,326 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 02:11:28,327 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 02:11:28,327 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 02:11:28,327 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 02:11:28,327 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 02:11:28,328 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 02:11:28,328 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 02:11:28,328 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 02:11:28,328 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 02:11:28,329 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 02:11:28,329 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 02:11:28,329 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 02:11:28,330 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 02:11:28,330 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1928632139fa770e6728c6d37f1b756676e5811f226db8d488914b16150b3c5e [2024-11-19 02:11:28,621 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 02:11:28,645 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 02:11:28,649 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 02:11:28,651 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 02:11:28,651 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 02:11:28,652 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_advance_nospec_harness.i [2024-11-19 02:11:30,230 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 02:11:30,738 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 02:11:30,741 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_advance_nospec_harness.i [2024-11-19 02:11:30,780 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a80f514d/b7183fbd8f6a4feda81dc24631257ca3/FLAG3372853ea [2024-11-19 02:11:30,799 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a80f514d/b7183fbd8f6a4feda81dc24631257ca3 [2024-11-19 02:11:30,804 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 02:11:30,805 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 02:11:30,806 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 02:11:30,807 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 02:11:30,813 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 02:11:30,814 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:11:30" (1/1) ... [2024-11-19 02:11:30,815 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17958c7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:11:30, skipping insertion in model container [2024-11-19 02:11:30,815 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:11:30" (1/1) ... [2024-11-19 02:11:30,924 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 02:11:31,297 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_advance_nospec_harness.i[4504,4517] [2024-11-19 02:11:31,307 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_advance_nospec_harness.i[4564,4577] [2024-11-19 02:11:32,249 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:32,250 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:32,251 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:32,252 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:32,253 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:32,265 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:32,265 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:32,267 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:32,268 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:32,813 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:32,813 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:32,866 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 02:11:32,933 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 02:11:32,947 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_advance_nospec_harness.i[4504,4517] [2024-11-19 02:11:32,947 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_advance_nospec_harness.i[4564,4577] [2024-11-19 02:11:32,981 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:32,981 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:32,981 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:32,982 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:32,982 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:32,990 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:32,992 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:32,993 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:32,993 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:33,189 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2024-11-19 02:11:33,193 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:33,193 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:33,208 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8755-8766] [2024-11-19 02:11:33,230 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 02:11:33,464 INFO L204 MainTranslator]: Completed translation [2024-11-19 02:11:33,465 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:11:33 WrapperNode [2024-11-19 02:11:33,465 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 02:11:33,466 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 02:11:33,466 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 02:11:33,466 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 02:11:33,471 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:11:33" (1/1) ... [2024-11-19 02:11:33,559 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:11:33" (1/1) ... [2024-11-19 02:11:33,650 INFO L138 Inliner]: procedures = 679, calls = 2636, calls flagged for inlining = 58, calls inlined = 7, statements flattened = 954 [2024-11-19 02:11:33,651 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 02:11:33,652 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 02:11:33,652 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 02:11:33,652 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 02:11:33,663 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:11:33" (1/1) ... [2024-11-19 02:11:33,664 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:11:33" (1/1) ... [2024-11-19 02:11:33,678 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:11:33" (1/1) ... [2024-11-19 02:11:33,759 INFO L175 MemorySlicer]: Split 560 memory accesses to 7 slices as follows [2, 257, 6, 42, 8, 240, 5]. 46 percent of accesses are in the largest equivalence class. The 19 initializations are split as follows [2, 0, 0, 4, 2, 6, 5]. The 500 writes are split as follows [0, 257, 2, 9, 0, 232, 0]. [2024-11-19 02:11:33,759 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:11:33" (1/1) ... [2024-11-19 02:11:33,762 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:11:33" (1/1) ... [2024-11-19 02:11:33,794 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:11:33" (1/1) ... [2024-11-19 02:11:33,802 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:11:33" (1/1) ... [2024-11-19 02:11:33,817 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:11:33" (1/1) ... [2024-11-19 02:11:33,827 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:11:33" (1/1) ... [2024-11-19 02:11:33,840 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 02:11:33,841 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 02:11:33,841 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 02:11:33,841 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 02:11:33,842 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:11:33" (1/1) ... [2024-11-19 02:11:33,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 02:11:33,860 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:11:33,875 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 02:11:33,881 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 02:11:33,928 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-19 02:11:33,930 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-19 02:11:33,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 02:11:33,931 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-19 02:11:33,931 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-19 02:11:33,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-19 02:11:33,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-19 02:11:33,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-19 02:11:33,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-19 02:11:33,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-19 02:11:33,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-19 02:11:33,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-19 02:11:33,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 02:11:33,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 02:11:33,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 02:11:33,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-19 02:11:33,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-19 02:11:33,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-19 02:11:33,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-19 02:11:33,933 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-19 02:11:33,933 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-19 02:11:33,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 02:11:33,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 02:11:33,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 02:11:33,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 02:11:33,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 02:11:33,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-19 02:11:33,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-19 02:11:33,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-19 02:11:33,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-19 02:11:33,934 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 02:11:33,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 02:11:33,935 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-19 02:11:33,935 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-19 02:11:33,935 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-19 02:11:33,935 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-19 02:11:33,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-19 02:11:33,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-19 02:11:33,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-19 02:11:33,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-19 02:11:33,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-19 02:11:33,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-19 02:11:33,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-19 02:11:33,937 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-19 02:11:33,937 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-19 02:11:33,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 02:11:33,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 02:11:33,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 02:11:33,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 02:11:33,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-19 02:11:33,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-19 02:11:33,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-19 02:11:33,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-19 02:11:33,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-19 02:11:33,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-19 02:11:33,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-19 02:11:33,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-19 02:11:33,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-19 02:11:33,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-19 02:11:33,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-19 02:11:33,938 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_advance_nospec [2024-11-19 02:11:33,938 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_advance_nospec [2024-11-19 02:11:33,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 02:11:33,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 02:11:33,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 02:11:33,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-19 02:11:33,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-19 02:11:33,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-19 02:11:33,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-19 02:11:33,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 02:11:33,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 02:11:33,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 02:11:33,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 02:11:33,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-19 02:11:33,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-19 02:11:33,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-19 02:11:34,273 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 02:11:34,275 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 02:11:42,448 INFO L? ?]: Removed 99 outVars from TransFormulas that were not future-live. [2024-11-19 02:11:42,449 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 02:11:42,464 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 02:11:42,464 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-19 02:11:42,464 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:11:42 BoogieIcfgContainer [2024-11-19 02:11:42,464 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 02:11:42,468 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 02:11:42,468 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 02:11:42,471 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 02:11:42,471 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:11:30" (1/3) ... [2024-11-19 02:11:42,472 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47e51a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:11:42, skipping insertion in model container [2024-11-19 02:11:42,472 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:11:33" (2/3) ... [2024-11-19 02:11:42,472 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47e51a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:11:42, skipping insertion in model container [2024-11-19 02:11:42,474 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:11:42" (3/3) ... [2024-11-19 02:11:42,475 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_advance_nospec_harness.i [2024-11-19 02:11:42,491 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 02:11:42,491 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 02:11:42,566 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 02:11:42,574 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;@5bb375ac, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 02:11:42,575 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 02:11:42,580 INFO L276 IsEmpty]: Start isEmpty. Operand has 119 states, 87 states have (on average 1.3218390804597702) internal successors, (115), 88 states have internal predecessors, (115), 23 states have call successors, (23), 7 states have call predecessors, (23), 7 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-19 02:11:42,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-19 02:11:42,590 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 02:11:42,591 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2024-11-19 02:11:42,592 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 02:11:42,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 02:11:42,598 INFO L85 PathProgramCache]: Analyzing trace with hash 1324974221, now seen corresponding path program 1 times [2024-11-19 02:11:42,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 02:11:42,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046552631] [2024-11-19 02:11:42,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:11:42,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 02:12:56,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:12:57,508 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-19 02:12:57,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 02:12:57,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046552631] [2024-11-19 02:12:57,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046552631] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 02:12:57,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1163999562] [2024-11-19 02:12:57,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:12:57,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 02:12:57,510 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:12:57,513 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 02:12:57,515 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process