./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_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 97f1929f60deed797b33f238413f59b0edc96867527757b3538e00bc90721005 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 09:56:55,157 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 09:56:55,243 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-20 09:56:55,249 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 09:56:55,249 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 09:56:55,290 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 09:56:55,290 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 09:56:55,291 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 09:56:55,292 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 09:56:55,295 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 09:56:55,295 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 09:56:55,296 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 09:56:55,296 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 09:56:55,298 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 09:56:55,298 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 09:56:55,298 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 09:56:55,299 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 09:56:55,299 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 09:56:55,299 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 09:56:55,299 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 09:56:55,300 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 09:56:55,301 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 09:56:55,301 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 09:56:55,301 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 09:56:55,302 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 09:56:55,302 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 09:56:55,302 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 09:56:55,303 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 09:56:55,303 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 09:56:55,303 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 09:56:55,303 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 09:56:55,304 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 09:56:55,304 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 09:56:55,305 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 09:56:55,305 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 09:56:55,305 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 09:56:55,305 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 09:56:55,305 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 09:56:55,306 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 09:56:55,306 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 97f1929f60deed797b33f238413f59b0edc96867527757b3538e00bc90721005 [2024-11-20 09:56:55,567 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 09:56:55,593 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 09:56:55,596 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 09:56:55,597 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 09:56:55,598 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 09:56:55,599 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_harness_negated.i [2024-11-20 09:56:57,031 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 09:56:57,506 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 09:56:57,507 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_harness_negated.i [2024-11-20 09:56:57,554 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60234762e/4544375b4f534941bae734e976dba1dc/FLAG8abd06bf6 [2024-11-20 09:56:57,572 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60234762e/4544375b4f534941bae734e976dba1dc [2024-11-20 09:56:57,576 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 09:56:57,577 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 09:56:57,579 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 09:56:57,580 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 09:56:57,586 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 09:56:57,586 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:56:57" (1/1) ... [2024-11-20 09:56:57,587 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a9a31c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:56:57, skipping insertion in model container [2024-11-20 09:56:57,587 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:56:57" (1/1) ... [2024-11-20 09:56:57,694 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 09:56:58,012 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_buf_eq_harness_negated.i[4489,4502] [2024-11-20 09:56:58,024 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_buf_eq_harness_negated.i[4549,4562] [2024-11-20 09:56:58,852 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:56:58,857 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:56:58,857 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:56:58,858 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:56:58,860 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:56:58,883 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:56:58,884 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:56:58,886 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:56:58,888 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:56:59,537 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:56:59,538 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:56:59,617 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 09:56:59,685 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 09:56:59,705 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_buf_eq_harness_negated.i[4489,4502] [2024-11-20 09:56:59,705 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_buf_eq_harness_negated.i[4549,4562] [2024-11-20 09:56:59,750 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:56:59,751 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:56:59,751 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:56:59,752 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:56:59,752 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:56:59,763 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:56:59,764 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:56:59,765 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:56:59,765 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:56:59,906 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8245] [2024-11-20 09:56:59,908 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:56:59,908 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:56:59,922 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8731-8742] [2024-11-20 09:56:59,946 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 09:57:00,206 INFO L204 MainTranslator]: Completed translation [2024-11-20 09:57:00,207 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:57:00 WrapperNode [2024-11-20 09:57:00,207 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 09:57:00,208 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 09:57:00,208 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 09:57:00,208 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 09:57:00,214 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:57:00" (1/1) ... [2024-11-20 09:57:00,362 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:57:00" (1/1) ... [2024-11-20 09:57:00,455 INFO L138 Inliner]: procedures = 680, calls = 2668, calls flagged for inlining = 60, calls inlined = 6, statements flattened = 902 [2024-11-20 09:57:00,457 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 09:57:00,457 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 09:57:00,458 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 09:57:00,458 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 09:57:00,468 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:57:00" (1/1) ... [2024-11-20 09:57:00,468 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:57:00" (1/1) ... [2024-11-20 09:57:00,481 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:57:00" (1/1) ... [2024-11-20 09:57:00,562 INFO L175 MemorySlicer]: Split 578 memory accesses to 6 slices as follows [2, 257, 238, 66, 9, 6]. 44 percent of accesses are in the largest equivalence class. The 29 initializations are split as follows [2, 0, 6, 16, 5, 0]. The 497 writes are split as follows [0, 257, 232, 6, 0, 2]. [2024-11-20 09:57:00,566 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:57:00" (1/1) ... [2024-11-20 09:57:00,566 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:57:00" (1/1) ... [2024-11-20 09:57:00,604 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:57:00" (1/1) ... [2024-11-20 09:57:00,611 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:57:00" (1/1) ... [2024-11-20 09:57:00,621 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:57:00" (1/1) ... [2024-11-20 09:57:00,635 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:57:00" (1/1) ... [2024-11-20 09:57:00,660 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 09:57:00,661 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 09:57:00,661 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 09:57:00,661 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 09:57:00,662 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:57:00" (1/1) ... [2024-11-20 09:57:00,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 09:57:00,680 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 09:57:00,698 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) [2024-11-20 09:57:00,703 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 [2024-11-20 09:57:00,750 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-20 09:57:00,750 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-20 09:57:00,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-20 09:57:00,750 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-20 09:57:00,750 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-20 09:57:00,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-20 09:57:00,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-20 09:57:00,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-20 09:57:00,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-20 09:57:00,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-20 09:57:00,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-20 09:57:00,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-20 09:57:00,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-20 09:57:00,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-20 09:57:00,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-20 09:57:00,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-20 09:57:00,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-20 09:57:00,754 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-20 09:57:00,754 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-20 09:57:00,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-20 09:57:00,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 09:57:00,754 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2024-11-20 09:57:00,755 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2024-11-20 09:57:00,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-20 09:57:00,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-20 09:57:00,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-20 09:57:00,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-20 09:57:00,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-20 09:57:00,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-20 09:57:00,755 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_buf_has_allocated_buffer_member [2024-11-20 09:57:00,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_buf_has_allocated_buffer_member [2024-11-20 09:57:00,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 09:57:00,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 09:57:00,756 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-20 09:57:00,756 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-20 09:57:00,756 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-20 09:57:00,756 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-20 09:57:00,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-20 09:57:00,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-20 09:57:00,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-20 09:57:00,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-20 09:57:00,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-20 09:57:00,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-20 09:57:00,758 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 09:57:00,758 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 09:57:00,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-20 09:57:00,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-20 09:57:00,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-20 09:57:00,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-20 09:57:00,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-20 09:57:00,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-20 09:57:00,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-20 09:57:00,760 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2024-11-20 09:57:00,760 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2024-11-20 09:57:00,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-20 09:57:00,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-20 09:57:00,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-20 09:57:00,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-20 09:57:00,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-20 09:57:00,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-20 09:57:00,761 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-20 09:57:00,761 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-20 09:57:00,761 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-20 09:57:00,761 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-20 09:57:00,761 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_bounded [2024-11-20 09:57:00,762 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_bounded [2024-11-20 09:57:00,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-20 09:57:00,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-20 09:57:00,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-20 09:57:00,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-20 09:57:00,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-20 09:57:00,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-20 09:57:00,763 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_buf_equivalence [2024-11-20 09:57:00,763 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_buf_equivalence [2024-11-20 09:57:00,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 09:57:00,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-20 09:57:00,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-20 09:57:00,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-20 09:57:00,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-20 09:57:00,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-20 09:57:01,079 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 09:57:01,082 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 09:57:09,625 INFO L? ?]: Removed 94 outVars from TransFormulas that were not future-live. [2024-11-20 09:57:09,625 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 09:57:09,644 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 09:57:09,645 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-20 09:57:09,645 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:57:09 BoogieIcfgContainer [2024-11-20 09:57:09,645 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 09:57:09,648 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 09:57:09,648 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 09:57:09,651 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 09:57:09,651 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:56:57" (1/3) ... [2024-11-20 09:57:09,652 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7eb94fbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:57:09, skipping insertion in model container [2024-11-20 09:57:09,652 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:57:00" (2/3) ... [2024-11-20 09:57:09,654 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7eb94fbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:57:09, skipping insertion in model container [2024-11-20 09:57:09,654 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:57:09" (3/3) ... [2024-11-20 09:57:09,655 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_eq_harness_negated.i [2024-11-20 09:57:09,671 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 09:57:09,671 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 09:57:09,735 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 09:57:09,742 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;@203dc45e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 09:57:09,742 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 09:57:09,746 INFO L276 IsEmpty]: Start isEmpty. Operand has 153 states, 92 states have (on average 1.2282608695652173) internal successors, (113), 93 states have internal predecessors, (113), 46 states have call successors, (46), 13 states have call predecessors, (46), 13 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-20 09:57:09,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-20 09:57:09,758 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 09:57:09,759 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 09:57:09,759 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 09:57:09,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 09:57:09,764 INFO L85 PathProgramCache]: Analyzing trace with hash 379353637, now seen corresponding path program 1 times [2024-11-20 09:57:09,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 09:57:09,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782385547] [2024-11-20 09:57:09,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 09:57:09,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 09:58:28,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:58:29,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 09:58:29,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:58:29,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 09:58:29,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:58:29,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-20 09:58:29,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:58:29,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 09:58:29,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:58:29,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 09:58:29,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:58:29,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 09:58:29,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:58:29,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-20 09:58:29,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:58:29,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-20 09:58:29,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:58:29,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-20 09:58:29,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:58:30,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-20 09:58:30,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:58:30,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-20 09:58:30,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:58:30,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-20 09:58:30,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:58:30,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-20 09:58:30,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:58:30,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-20 09:58:30,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:58:30,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 09:58:30,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:58:30,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 09:58:30,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:58:30,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 09:58:30,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:58:30,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 09:58:30,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:58:30,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-20 09:58:30,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:58:30,157 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2024-11-20 09:58:30,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 09:58:30,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782385547] [2024-11-20 09:58:30,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782385547] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 09:58:30,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 09:58:30,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 09:58:30,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658468224] [2024-11-20 09:58:30,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 09:58:30,166 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 09:58:30,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 09:58:30,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 09:58:30,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-20 09:58:30,195 INFO L87 Difference]: Start difference. First operand has 153 states, 92 states have (on average 1.2282608695652173) internal successors, (113), 93 states have internal predecessors, (113), 46 states have call successors, (46), 13 states have call predecessors, (46), 13 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (20), 5 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-20 09:58:34,378 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers []