./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_buf_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_buf_harness_negated.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3d97d04097e42514d5700bbc256d61ac595fb6c5eca16e749be15c2d6158293f --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 02:14:12,507 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 02:14:12,580 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-19 02:14:12,583 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 02:14:12,583 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 02:14:12,613 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 02:14:12,613 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 02:14:12,614 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 02:14:12,614 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 02:14:12,615 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 02:14:12,616 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 02:14:12,616 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 02:14:12,617 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 02:14:12,617 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 02:14:12,617 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 02:14:12,617 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 02:14:12,618 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 02:14:12,618 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 02:14:12,618 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 02:14:12,622 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 02:14:12,622 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 02:14:12,623 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 02:14:12,623 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 02:14:12,623 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 02:14:12,623 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 02:14:12,624 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 02:14:12,624 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 02:14:12,624 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 02:14:12,624 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 02:14:12,624 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 02:14:12,625 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 02:14:12,625 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 02:14:12,625 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 02:14:12,625 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 02:14:12,625 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 02:14:12,626 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 02:14:12,626 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 02:14:12,627 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 02:14:12,627 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 02:14:12,628 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3d97d04097e42514d5700bbc256d61ac595fb6c5eca16e749be15c2d6158293f [2024-11-19 02:14:12,831 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 02:14:12,857 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 02:14:12,860 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 02:14:12,861 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 02:14:12,863 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 02:14:12,864 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_buf_harness_negated.i [2024-11-19 02:14:14,156 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 02:14:14,528 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 02:14:14,528 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_buf_harness_negated.i [2024-11-19 02:14:14,561 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84e9d3936/505d63548281492e96693e62cb9f7406/FLAG4389277da [2024-11-19 02:14:14,574 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84e9d3936/505d63548281492e96693e62cb9f7406 [2024-11-19 02:14:14,577 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 02:14:14,578 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 02:14:14,580 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 02:14:14,580 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 02:14:14,584 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 02:14:14,585 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:14:14" (1/1) ... [2024-11-19 02:14:14,586 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e28c41e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:14:14, skipping insertion in model container [2024-11-19 02:14:14,587 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:14:14" (1/1) ... [2024-11-19 02:14:14,693 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 02:14:14,889 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_buf_harness_negated.i[4498,4511] [2024-11-19 02:14:14,896 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_buf_harness_negated.i[4558,4571] [2024-11-19 02:14:15,462 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:14:15,463 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:14:15,463 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:14:15,464 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:14:15,465 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:14:15,481 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:14:15,482 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:14:15,486 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:14:15,486 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:14:15,905 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:14:15,905 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:14:15,965 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 02:14:16,020 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 02:14:16,033 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_buf_harness_negated.i[4498,4511] [2024-11-19 02:14:16,037 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_buf_harness_negated.i[4558,4571] [2024-11-19 02:14:16,062 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:14:16,063 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:14:16,063 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:14:16,064 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:14:16,064 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:14:16,068 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:14:16,068 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:14:16,069 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:14:16,069 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:14:16,286 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8237] [2024-11-19 02:14:16,290 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:14:16,290 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:14:16,301 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8723-8734] [2024-11-19 02:14:16,318 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 02:14:16,452 INFO L204 MainTranslator]: Completed translation [2024-11-19 02:14:16,453 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:14:16 WrapperNode [2024-11-19 02:14:16,453 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 02:14:16,454 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 02:14:16,455 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 02:14:16,455 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 02:14:16,462 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:14:16" (1/1) ... [2024-11-19 02:14:16,544 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:14:16" (1/1) ... [2024-11-19 02:14:16,707 INFO L138 Inliner]: procedures = 679, calls = 2633, calls flagged for inlining = 61, calls inlined = 9, statements flattened = 870 [2024-11-19 02:14:16,708 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 02:14:16,709 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 02:14:16,709 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 02:14:16,709 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 02:14:16,720 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:14:16" (1/1) ... [2024-11-19 02:14:16,721 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:14:16" (1/1) ... [2024-11-19 02:14:16,731 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:14:16" (1/1) ... [2024-11-19 02:14:16,811 INFO L175 MemorySlicer]: Split 565 memory accesses to 6 slices as follows [2, 257, 14, 6, 247, 39]. 45 percent of accesses are in the largest equivalence class. The 23 initializations are split as follows [2, 0, 2, 0, 11, 8]. The 495 writes are split as follows [0, 257, 2, 2, 232, 2]. [2024-11-19 02:14:16,812 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:14:16" (1/1) ... [2024-11-19 02:14:16,812 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:14:16" (1/1) ... [2024-11-19 02:14:16,849 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:14:16" (1/1) ... [2024-11-19 02:14:16,851 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:14:16" (1/1) ... [2024-11-19 02:14:16,858 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:14:16" (1/1) ... [2024-11-19 02:14:16,864 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:14:16" (1/1) ... [2024-11-19 02:14:16,884 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 02:14:16,888 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 02:14:16,889 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 02:14:16,889 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 02:14:16,890 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:14:16" (1/1) ... [2024-11-19 02:14:16,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 02:14:16,923 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:14:16,944 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 02:14:16,946 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 02:14:16,983 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-19 02:14:16,983 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-19 02:14:16,984 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-19 02:14:16,984 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-19 02:14:16,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 02:14:16,984 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-19 02:14:16,985 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-19 02:14:16,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-19 02:14:16,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-19 02:14:16,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-19 02:14:16,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-19 02:14:16,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-19 02:14:16,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-19 02:14:16,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 02:14:16,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 02:14:16,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 02:14:16,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-19 02:14:16,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-19 02:14:16,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-19 02:14:16,986 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-19 02:14:16,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-19 02:14:16,986 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_from_buf [2024-11-19 02:14:16,986 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_from_buf [2024-11-19 02:14:16,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 02:14:16,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 02:14:16,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 02:14:16,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 02:14:16,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 02:14:16,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-19 02:14:16,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-19 02:14:16,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-19 02:14:16,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 02:14:16,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 02:14:16,987 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-19 02:14:16,987 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-19 02:14:16,987 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-19 02:14:16,987 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-19 02:14:16,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-19 02:14:16,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-19 02:14:16,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-19 02:14:16,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-19 02:14:16,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-19 02:14:16,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-19 02:14:16,988 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-19 02:14:16,989 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-19 02:14:16,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 02:14:16,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 02:14:16,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 02:14:16,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 02:14:16,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-19 02:14:16,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-19 02:14:16,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-19 02:14:16,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-19 02:14:16,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-19 02:14:16,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-19 02:14:16,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-19 02:14:16,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-19 02:14:16,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-19 02:14:16,991 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-19 02:14:16,992 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-19 02:14:16,992 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-19 02:14:16,992 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-19 02:14:16,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 02:14:16,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 02:14:16,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 02:14:16,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-19 02:14:16,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-19 02:14:16,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-19 02:14:16,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 02:14:16,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 02:14:16,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 02:14:16,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 02:14:16,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-19 02:14:16,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-19 02:14:17,247 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 02:14:17,249 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 02:14:25,273 INFO L? ?]: Removed 125 outVars from TransFormulas that were not future-live. [2024-11-19 02:14:25,274 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 02:14:25,285 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 02:14:25,285 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-19 02:14:25,285 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:14:25 BoogieIcfgContainer [2024-11-19 02:14:25,286 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 02:14:25,287 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 02:14:25,287 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 02:14:25,290 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 02:14:25,290 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:14:14" (1/3) ... [2024-11-19 02:14:25,290 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@84261c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:14:25, skipping insertion in model container [2024-11-19 02:14:25,291 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:14:16" (2/3) ... [2024-11-19 02:14:25,291 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@84261c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:14:25, skipping insertion in model container [2024-11-19 02:14:25,291 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:14:25" (3/3) ... [2024-11-19 02:14:25,292 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_from_buf_harness_negated.i [2024-11-19 02:14:25,304 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 02:14:25,304 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 02:14:25,357 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 02:14:25,365 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;@428747bc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 02:14:25,368 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 02:14:25,373 INFO L276 IsEmpty]: Start isEmpty. Operand has 128 states, 88 states have (on average 1.25) internal successors, (110), 89 states have internal predecessors, (110), 28 states have call successors, (28), 10 states have call predecessors, (28), 10 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-19 02:14:25,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-19 02:14:25,383 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 02:14:25,384 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 02:14:25,385 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 02:14:25,391 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 02:14:25,391 INFO L85 PathProgramCache]: Analyzing trace with hash -1503850868, now seen corresponding path program 1 times [2024-11-19 02:14:25,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 02:14:25,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879335850] [2024-11-19 02:14:25,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:14:25,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 02:15:42,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:15:45,168 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-19 02:15:45,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 02:15:45,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879335850] [2024-11-19 02:15:45,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [879335850] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 02:15:45,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1100047748] [2024-11-19 02:15:45,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:15:45,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 02:15:45,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:15:45,172 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 02:15:45,173 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process