./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_reset_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 803cd42f 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 ../sv-benchmarks/c/aws-c-common/aws_byte_buf_reset_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash cda9529776bede8f1b2097af98f375819691ab0c72bb3e360b999e206011bf76 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 14:08:02,674 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 14:08:02,729 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-22 14:08:02,734 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 14:08:02,736 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 14:08:02,760 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 14:08:02,761 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 14:08:02,761 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 14:08:02,762 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 14:08:02,765 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 14:08:02,765 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 14:08:02,766 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 14:08:02,766 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 14:08:02,766 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 14:08:02,766 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 14:08:02,766 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 14:08:02,767 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 14:08:02,767 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 14:08:02,767 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 14:08:02,767 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 14:08:02,767 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 14:08:02,769 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 14:08:02,769 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 14:08:02,769 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 14:08:02,770 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 14:08:02,770 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 14:08:02,770 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 14:08:02,770 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 14:08:02,771 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 14:08:02,771 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 14:08:02,771 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 14:08:02,772 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 14:08:02,772 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 14:08:02,772 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 14:08:02,772 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 14:08:02,773 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 14:08:02,773 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 14:08:02,773 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 14:08:02,773 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 14:08:02,773 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cda9529776bede8f1b2097af98f375819691ab0c72bb3e360b999e206011bf76 [2024-11-22 14:08:02,964 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 14:08:02,994 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 14:08:02,998 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 14:08:03,000 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 14:08:03,000 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 14:08:03,001 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_reset_harness.i [2024-11-22 14:08:04,340 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 14:08:04,763 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 14:08:04,765 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_reset_harness.i [2024-11-22 14:08:04,801 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4834e2d0/4c52f342ac2140e2be82ddf6b2954a70/FLAG80786dc05 [2024-11-22 14:08:04,904 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4834e2d0/4c52f342ac2140e2be82ddf6b2954a70 [2024-11-22 14:08:04,907 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 14:08:04,908 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 14:08:04,909 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 14:08:04,909 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 14:08:04,931 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 14:08:04,931 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:08:04" (1/1) ... [2024-11-22 14:08:04,932 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5887c4d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:08:04, skipping insertion in model container [2024-11-22 14:08:04,932 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:08:04" (1/1) ... [2024-11-22 14:08:05,062 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 14:08:05,270 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_reset_harness.i[4492,4505] [2024-11-22 14:08:05,277 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_reset_harness.i[4552,4565] [2024-11-22 14:08:05,777 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:08:05,781 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:08:05,782 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:08:05,782 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:08:05,783 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:08:05,798 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:08:05,801 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:08:05,802 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:08:05,804 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:08:06,236 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:08:06,237 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:08:06,292 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 14:08:06,352 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 14:08:06,366 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_reset_harness.i[4492,4505] [2024-11-22 14:08:06,367 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_reset_harness.i[4552,4565] [2024-11-22 14:08:06,397 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:08:06,398 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:08:06,398 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:08:06,398 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:08:06,399 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:08:06,406 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:08:06,407 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:08:06,407 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:08:06,408 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:08:06,498 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8291] [2024-11-22 14:08:06,501 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:08:06,501 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:08:06,511 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8777-8788] [2024-11-22 14:08:06,521 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 14:08:06,714 INFO L204 MainTranslator]: Completed translation [2024-11-22 14:08:06,714 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:08:06 WrapperNode [2024-11-22 14:08:06,715 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 14:08:06,715 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 14:08:06,715 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 14:08:06,716 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 14:08:06,720 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:08:06" (1/1) ... [2024-11-22 14:08:06,782 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:08:06" (1/1) ... [2024-11-22 14:08:06,838 INFO L138 Inliner]: procedures = 680, calls = 2629, calls flagged for inlining = 59, calls inlined = 7, statements flattened = 822 [2024-11-22 14:08:06,846 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 14:08:06,847 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 14:08:06,847 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 14:08:06,847 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 14:08:06,856 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:08:06" (1/1) ... [2024-11-22 14:08:06,856 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:08:06" (1/1) ... [2024-11-22 14:08:06,864 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:08:06" (1/1) ... [2024-11-22 14:08:06,931 INFO L175 MemorySlicer]: Split 542 memory accesses to 6 slices as follows [2, 257, 238, 31, 7, 7]. 47 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 0, 6, 4, 5, 4]. The 494 writes are split as follows [0, 257, 232, 4, 1, 0]. [2024-11-22 14:08:06,931 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:08:06" (1/1) ... [2024-11-22 14:08:06,934 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:08:06" (1/1) ... [2024-11-22 14:08:06,967 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:08:06" (1/1) ... [2024-11-22 14:08:06,970 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:08:06" (1/1) ... [2024-11-22 14:08:06,979 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:08:06" (1/1) ... [2024-11-22 14:08:06,987 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:08:06" (1/1) ... [2024-11-22 14:08:06,993 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 14:08:06,994 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 14:08:06,994 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 14:08:06,994 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 14:08:06,994 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:08:06" (1/1) ... [2024-11-22 14:08:07,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 14:08:07,009 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 14:08:07,024 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) [2024-11-22 14:08:07,026 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 [2024-11-22 14:08:07,058 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-22 14:08:07,061 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-22 14:08:07,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-22 14:08:07,061 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-22 14:08:07,061 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-22 14:08:07,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-22 14:08:07,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-22 14:08:07,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-22 14:08:07,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-22 14:08:07,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-22 14:08:07,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-22 14:08:07,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-22 14:08:07,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-22 14:08:07,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-22 14:08:07,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-22 14:08:07,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-22 14:08:07,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-22 14:08:07,062 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-22 14:08:07,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-22 14:08:07,062 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_secure_zero [2024-11-22 14:08:07,062 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_secure_zero [2024-11-22 14:08:07,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-22 14:08:07,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 14:08:07,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-22 14:08:07,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-22 14:08:07,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-22 14:08:07,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-22 14:08:07,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-22 14:08:07,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-22 14:08:07,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 14:08:07,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 14:08:07,065 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-22 14:08:07,065 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-22 14:08:07,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-22 14:08:07,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-22 14:08:07,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-22 14:08:07,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-22 14:08:07,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-22 14:08:07,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-22 14:08:07,065 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-22 14:08:07,065 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-22 14:08:07,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-22 14:08:07,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-22 14:08:07,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-22 14:08:07,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-22 14:08:07,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-22 14:08:07,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-22 14:08:07,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-22 14:08:07,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-22 14:08:07,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-22 14:08:07,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-22 14:08:07,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-22 14:08:07,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-22 14:08:07,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-22 14:08:07,068 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-22 14:08:07,068 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-22 14:08:07,068 INFO L130 BoogieDeclarations]: Found specification of procedure assert_all_bytes_are [2024-11-22 14:08:07,068 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_all_bytes_are [2024-11-22 14:08:07,068 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-22 14:08:07,068 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-22 14:08:07,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-22 14:08:07,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-22 14:08:07,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-22 14:08:07,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-22 14:08:07,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-22 14:08:07,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-22 14:08:07,069 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2024-11-22 14:08:07,069 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2024-11-22 14:08:07,069 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2024-11-22 14:08:07,069 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2024-11-22 14:08:07,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 14:08:07,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-22 14:08:07,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-22 14:08:07,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-22 14:08:07,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-22 14:08:07,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-22 14:08:07,265 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 14:08:07,267 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 14:08:14,402 INFO L? ?]: Removed 72 outVars from TransFormulas that were not future-live. [2024-11-22 14:08:14,402 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 14:08:14,412 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 14:08:14,413 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-22 14:08:14,413 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:08:14 BoogieIcfgContainer [2024-11-22 14:08:14,413 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 14:08:14,415 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 14:08:14,415 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 14:08:14,420 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 14:08:14,420 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:08:04" (1/3) ... [2024-11-22 14:08:14,421 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2487e76e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:08:14, skipping insertion in model container [2024-11-22 14:08:14,421 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:08:06" (2/3) ... [2024-11-22 14:08:14,421 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2487e76e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:08:14, skipping insertion in model container [2024-11-22 14:08:14,421 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:08:14" (3/3) ... [2024-11-22 14:08:14,422 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_reset_harness.i [2024-11-22 14:08:14,433 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 14:08:14,434 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 14:08:14,476 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 14:08:14,483 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;@28dad762, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 14:08:14,484 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 14:08:14,487 INFO L276 IsEmpty]: Start isEmpty. Operand has 115 states, 79 states have (on average 1.2278481012658229) internal successors, (97), 81 states have internal predecessors, (97), 23 states have call successors, (23), 11 states have call predecessors, (23), 11 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-22 14:08:14,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-22 14:08:14,493 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 14:08:14,494 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-11-22 14:08:14,494 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 14:08:14,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 14:08:14,498 INFO L85 PathProgramCache]: Analyzing trace with hash 153844194, now seen corresponding path program 1 times [2024-11-22 14:08:14,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 14:08:14,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451539846] [2024-11-22 14:08:14,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:08:14,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 14:09:28,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 14:09:28,912 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-22 14:09:28,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 14:09:28,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451539846] [2024-11-22 14:09:28,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1451539846] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 14:09:28,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1637182337] [2024-11-22 14:09:28,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:09:28,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 14:09:28,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 14:09:28,917 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) [2024-11-22 14:09:28,918 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process