./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f 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_eq_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 87391e14b88adba21a2cadbd4091fa2317508e1d0df9844d1e7f72f208000e39 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 08:47:52,620 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 08:47:52,665 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-12 08:47:52,669 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 08:47:52,670 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 08:47:52,689 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 08:47:52,689 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 08:47:52,690 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 08:47:52,690 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 08:47:52,691 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 08:47:52,691 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 08:47:52,692 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 08:47:52,692 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 08:47:52,693 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 08:47:52,693 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 08:47:52,693 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 08:47:52,694 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 08:47:52,694 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 08:47:52,694 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 08:47:52,695 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 08:47:52,695 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 08:47:52,696 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 08:47:52,696 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 08:47:52,696 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 08:47:52,697 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 08:47:52,697 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 08:47:52,698 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 08:47:52,698 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 08:47:52,698 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 08:47:52,699 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 08:47:52,699 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 08:47:52,699 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 08:47:52,700 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 08:47:52,700 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 08:47:52,700 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 08:47:52,701 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 08:47:52,701 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 08:47:52,701 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 08:47:52,701 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 08:47:52,702 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 87391e14b88adba21a2cadbd4091fa2317508e1d0df9844d1e7f72f208000e39 [2024-11-12 08:47:52,969 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 08:47:53,009 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 08:47:53,011 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 08:47:53,013 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 08:47:53,013 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 08:47:53,015 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_harness_negated.i [2024-11-12 08:47:54,520 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 08:47:55,067 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 08:47:55,068 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_harness_negated.i [2024-11-12 08:47:55,119 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60a15f309/7cda5d6a57ad423b8cd13d27f3b95813/FLAG6d18183a3 [2024-11-12 08:47:55,142 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60a15f309/7cda5d6a57ad423b8cd13d27f3b95813 [2024-11-12 08:47:55,146 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 08:47:55,148 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 08:47:55,150 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 08:47:55,151 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 08:47:55,156 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 08:47:55,157 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 08:47:55" (1/1) ... [2024-11-12 08:47:55,158 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b88c1fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:47:55, skipping insertion in model container [2024-11-12 08:47:55,158 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 08:47:55" (1/1) ... [2024-11-12 08:47:55,286 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 08:47:55,651 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_eq_harness_negated.i[4492,4505] [2024-11-12 08:47:55,663 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_eq_harness_negated.i[4552,4565] [2024-11-12 08:47:56,528 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:47:56,528 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:47:56,529 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:47:56,530 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:47:56,531 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:47:56,548 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:47:56,549 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:47:56,553 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:47:56,554 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:47:57,039 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:47:57,039 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:47:57,122 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 08:47:57,199 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 08:47:57,215 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_eq_harness_negated.i[4492,4505] [2024-11-12 08:47:57,218 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_harness_negated.i[4552,4565] [2024-11-12 08:47:57,274 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:47:57,277 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:47:57,277 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:47:57,278 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:47:57,279 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:47:57,288 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:47:57,289 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:47:57,290 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:47:57,290 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:47:57,478 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8245] [2024-11-12 08:47:57,480 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:47:57,480 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:47:57,493 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8731-8742] [2024-11-12 08:47:57,514 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 08:47:57,749 INFO L204 MainTranslator]: Completed translation [2024-11-12 08:47:57,750 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:47:57 WrapperNode [2024-11-12 08:47:57,750 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 08:47:57,751 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 08:47:57,751 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 08:47:57,751 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 08:47:57,758 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:47:57" (1/1) ... [2024-11-12 08:47:57,877 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:47:57" (1/1) ... [2024-11-12 08:47:57,974 INFO L138 Inliner]: procedures = 680, calls = 2648, calls flagged for inlining = 60, calls inlined = 6, statements flattened = 880 [2024-11-12 08:47:57,979 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 08:47:57,979 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 08:47:57,980 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 08:47:57,980 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 08:47:57,991 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:47:57" (1/1) ... [2024-11-12 08:47:57,991 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:47:57" (1/1) ... [2024-11-12 08:47:58,004 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:47:57" (1/1) ... [2024-11-12 08:47:58,070 INFO L175 MemorySlicer]: Split 550 memory accesses to 7 slices as follows [2, 257, 238, 4, 6, 38, 5]. 47 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 6, 0, 0, 4, 5]. The 494 writes are split as follows [0, 257, 232, 0, 2, 3, 0]. [2024-11-12 08:47:58,071 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:47:57" (1/1) ... [2024-11-12 08:47:58,076 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:47:57" (1/1) ... [2024-11-12 08:47:58,122 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:47:57" (1/1) ... [2024-11-12 08:47:58,126 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:47:57" (1/1) ... [2024-11-12 08:47:58,140 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:47:57" (1/1) ... [2024-11-12 08:47:58,150 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:47:57" (1/1) ... [2024-11-12 08:47:58,170 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 08:47:58,172 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 08:47:58,172 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 08:47:58,172 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 08:47:58,173 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:47:57" (1/1) ... [2024-11-12 08:47:58,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 08:47:58,191 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 08:47:58,210 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) [2024-11-12 08:47:58,212 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 [2024-11-12 08:47:58,260 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-12 08:47:58,261 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-12 08:47:58,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-12 08:47:58,261 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-12 08:47:58,262 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-12 08:47:58,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-12 08:47:58,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-12 08:47:58,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-12 08:47:58,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-12 08:47:58,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-12 08:47:58,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-12 08:47:58,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-12 08:47:58,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-12 08:47:58,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-12 08:47:58,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-12 08:47:58,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-12 08:47:58,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-12 08:47:58,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-12 08:47:58,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-12 08:47:58,264 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_bounded [2024-11-12 08:47:58,265 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_bounded [2024-11-12 08:47:58,265 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-12 08:47:58,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-12 08:47:58,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-12 08:47:58,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 08:47:58,265 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2024-11-12 08:47:58,266 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2024-11-12 08:47:58,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-12 08:47:58,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-12 08:47:58,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-12 08:47:58,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-12 08:47:58,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-12 08:47:58,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-12 08:47:58,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-12 08:47:58,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 08:47:58,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 08:47:58,267 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-12 08:47:58,267 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-12 08:47:58,267 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-12 08:47:58,267 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-12 08:47:58,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-12 08:47:58,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-12 08:47:58,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-12 08:47:58,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-12 08:47:58,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-12 08:47:58,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-12 08:47:58,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-12 08:47:58,268 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 08:47:58,269 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 08:47:58,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-12 08:47:58,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-12 08:47:58,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-12 08:47:58,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-12 08:47:58,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-12 08:47:58,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-12 08:47:58,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-12 08:47:58,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-12 08:47:58,269 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2024-11-12 08:47:58,269 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2024-11-12 08:47:58,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-12 08:47:58,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-12 08:47:58,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-12 08:47:58,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-12 08:47:58,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-12 08:47:58,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-12 08:47:58,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-12 08:47:58,270 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-12 08:47:58,270 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-12 08:47:58,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-12 08:47:58,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-12 08:47:58,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-12 08:47:58,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-12 08:47:58,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-12 08:47:58,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-12 08:47:58,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-12 08:47:58,270 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_cursor_has_allocated_buffer_member [2024-11-12 08:47:58,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_cursor_has_allocated_buffer_member [2024-11-12 08:47:58,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 08:47:58,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-12 08:47:58,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-12 08:47:58,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-12 08:47:58,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-12 08:47:58,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-12 08:47:58,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-12 08:47:58,628 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 08:47:58,630 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 08:48:06,642 INFO L? ?]: Removed 89 outVars from TransFormulas that were not future-live. [2024-11-12 08:48:06,642 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 08:48:06,662 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 08:48:06,664 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-12 08:48:06,664 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:48:06 BoogieIcfgContainer [2024-11-12 08:48:06,664 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 08:48:06,667 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 08:48:06,668 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 08:48:06,671 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 08:48:06,671 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 08:47:55" (1/3) ... [2024-11-12 08:48:06,673 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@760e12c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 08:48:06, skipping insertion in model container [2024-11-12 08:48:06,673 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:47:57" (2/3) ... [2024-11-12 08:48:06,674 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@760e12c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 08:48:06, skipping insertion in model container [2024-11-12 08:48:06,675 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:48:06" (3/3) ... [2024-11-12 08:48:06,676 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_eq_harness_negated.i [2024-11-12 08:48:06,693 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 08:48:06,694 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 08:48:06,774 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 08:48:06,782 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;@4bffc59a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 08:48:06,783 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 08:48:06,787 INFO L276 IsEmpty]: Start isEmpty. Operand has 134 states, 81 states have (on average 1.2345679012345678) internal successors, (100), 82 states have internal predecessors, (100), 40 states have call successors, (40), 11 states have call predecessors, (40), 11 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-12 08:48:06,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-12 08:48:06,802 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 08:48:06,803 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 08:48:06,804 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 08:48:06,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 08:48:06,813 INFO L85 PathProgramCache]: Analyzing trace with hash -239771141, now seen corresponding path program 1 times [2024-11-12 08:48:06,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 08:48:06,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31207468] [2024-11-12 08:48:06,824 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 08:48:06,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 08:49:23,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:49:24,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 08:49:24,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:49:24,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-12 08:49:24,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:49:24,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-12 08:49:24,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:49:24,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 08:49:24,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:49:24,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-12 08:49:24,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:49:24,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-12 08:49:24,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:49:24,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 08:49:24,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:49:25,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-12 08:49:25,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:49:25,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-12 08:49:25,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:49:25,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-12 08:49:25,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:49:25,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-12 08:49:25,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:49:25,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-12 08:49:25,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:49:25,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 08:49:25,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:49:25,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 08:49:25,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:49:25,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 08:49:25,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:49:25,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-12 08:49:25,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:49:25,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 08:49:25,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:49:25,166 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2024-11-12 08:49:25,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 08:49:25,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31207468] [2024-11-12 08:49:25,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31207468] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 08:49:25,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 08:49:25,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 08:49:25,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001741155] [2024-11-12 08:49:25,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 08:49:25,177 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 08:49:25,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 08:49:25,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 08:49:25,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 08:49:25,210 INFO L87 Difference]: Start difference. First operand has 134 states, 81 states have (on average 1.2345679012345678) internal successors, (100), 82 states have internal predecessors, (100), 40 states have call successors, (40), 11 states have call predecessors, (40), 11 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (18), 4 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-12 08:49:29,446 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers []