./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_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 cd9a2129027d8e6e433405050df678799cbcbb62ed513869cd94ee61dabdad6d --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 02:04:59,422 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 02:04:59,505 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-19 02:04:59,511 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 02:04:59,514 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 02:04:59,546 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 02:04:59,547 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 02:04:59,548 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 02:04:59,548 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 02:04:59,549 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 02:04:59,550 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 02:04:59,550 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 02:04:59,551 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 02:04:59,553 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 02:04:59,553 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 02:04:59,553 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 02:04:59,554 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 02:04:59,554 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 02:04:59,554 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 02:04:59,555 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 02:04:59,555 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 02:04:59,559 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 02:04:59,559 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 02:04:59,559 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 02:04:59,559 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 02:04:59,560 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 02:04:59,560 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 02:04:59,560 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 02:04:59,561 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 02:04:59,561 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 02:04:59,561 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 02:04:59,561 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 02:04:59,562 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 02:04:59,562 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 02:04:59,563 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 02:04:59,563 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 02:04:59,564 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 02:04:59,564 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 02:04:59,564 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 02:04:59,565 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd9a2129027d8e6e433405050df678799cbcbb62ed513869cd94ee61dabdad6d [2024-11-19 02:04:59,831 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 02:04:59,852 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 02:04:59,855 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 02:04:59,856 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 02:04:59,857 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 02:04:59,858 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_harness.i [2024-11-19 02:05:01,315 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 02:05:01,806 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 02:05:01,807 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_harness.i [2024-11-19 02:05:01,847 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e8521305/913f3b4799ba450da40af9f1a336173a/FLAG788cfbedd [2024-11-19 02:05:01,865 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e8521305/913f3b4799ba450da40af9f1a336173a [2024-11-19 02:05:01,867 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 02:05:01,868 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 02:05:01,871 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 02:05:01,871 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 02:05:01,877 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 02:05:01,877 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:05:01" (1/1) ... [2024-11-19 02:05:01,878 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13c0825f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:05:01, skipping insertion in model container [2024-11-19 02:05:01,879 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:05:01" (1/1) ... [2024-11-19 02:05:01,982 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 02:05:02,301 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_clean_up_harness.i[4495,4508] [2024-11-19 02:05:02,310 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_clean_up_harness.i[4555,4568] [2024-11-19 02:05:02,965 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:05:02,965 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:05:02,966 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:05:02,967 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:05:02,969 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:05:02,985 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:05:02,986 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:05:02,988 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:05:02,988 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:05:03,475 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:05:03,476 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:05:03,550 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 02:05:03,622 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 02:05:03,636 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_clean_up_harness.i[4495,4508] [2024-11-19 02:05:03,637 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_clean_up_harness.i[4555,4568] [2024-11-19 02:05:03,686 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:05:03,690 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:05:03,691 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:05:03,691 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:05:03,693 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:05:03,697 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:05:03,698 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:05:03,699 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:05:03,699 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:05:03,833 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8073] [2024-11-19 02:05:03,835 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:05:03,836 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:05:03,909 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8559-8570] [2024-11-19 02:05:03,932 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 02:05:04,121 INFO L204 MainTranslator]: Completed translation [2024-11-19 02:05:04,121 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:05:04 WrapperNode [2024-11-19 02:05:04,121 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 02:05:04,123 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 02:05:04,123 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 02:05:04,123 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 02:05:04,130 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:05:04" (1/1) ... [2024-11-19 02:05:04,222 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:05:04" (1/1) ... [2024-11-19 02:05:04,301 INFO L138 Inliner]: procedures = 680, calls = 2500, calls flagged for inlining = 53, calls inlined = 4, statements flattened = 757 [2024-11-19 02:05:04,301 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 02:05:04,302 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 02:05:04,302 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 02:05:04,302 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 02:05:04,317 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:05:04" (1/1) ... [2024-11-19 02:05:04,318 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:05:04" (1/1) ... [2024-11-19 02:05:04,333 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:05:04" (1/1) ... [2024-11-19 02:05:04,400 INFO L175 MemorySlicer]: Split 530 memory accesses to 5 slices as follows [2, 257, 238, 27, 6]. 48 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 6, 4, 5]. The 495 writes are split as follows [0, 257, 232, 6, 0]. [2024-11-19 02:05:04,400 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:05:04" (1/1) ... [2024-11-19 02:05:04,401 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:05:04" (1/1) ... [2024-11-19 02:05:04,427 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:05:04" (1/1) ... [2024-11-19 02:05:04,430 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:05:04" (1/1) ... [2024-11-19 02:05:04,437 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:05:04" (1/1) ... [2024-11-19 02:05:04,441 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:05:04" (1/1) ... [2024-11-19 02:05:04,485 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 02:05:04,486 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 02:05:04,486 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 02:05:04,486 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 02:05:04,487 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:05:04" (1/1) ... [2024-11-19 02:05:04,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 02:05:04,509 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:05:04,528 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 02:05:04,534 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 02:05:04,579 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_clean_up [2024-11-19 02:05:04,579 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_clean_up [2024-11-19 02:05:04,579 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-19 02:05:04,579 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-19 02:05:04,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 02:05:04,580 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-19 02:05:04,580 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-19 02:05:04,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-19 02:05:04,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-19 02:05:04,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-19 02:05:04,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-19 02:05:04,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-19 02:05:04,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 02:05:04,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 02:05:04,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 02:05:04,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-19 02:05:04,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-19 02:05:04,581 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-19 02:05:04,581 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-19 02:05:04,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 02:05:04,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 02:05:04,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 02:05:04,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 02:05:04,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 02:05:04,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-19 02:05:04,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-19 02:05:04,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 02:05:04,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 02:05:04,582 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-19 02:05:04,582 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-19 02:05:04,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-19 02:05:04,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-19 02:05:04,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-19 02:05:04,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-19 02:05:04,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-19 02:05:04,583 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2024-11-19 02:05:04,583 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2024-11-19 02:05:04,583 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-19 02:05:04,583 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-19 02:05:04,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 02:05:04,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 02:05:04,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 02:05:04,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 02:05:04,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-19 02:05:04,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-19 02:05:04,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-19 02:05:04,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-19 02:05:04,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-19 02:05:04,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-19 02:05:04,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-19 02:05:04,584 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-19 02:05:04,585 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-19 02:05:04,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 02:05:04,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 02:05:04,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 02:05:04,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-19 02:05:04,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-19 02:05:04,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 02:05:04,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 02:05:04,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 02:05:04,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 02:05:04,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-19 02:05:04,876 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 02:05:04,879 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 02:05:12,778 INFO L? ?]: Removed 48 outVars from TransFormulas that were not future-live. [2024-11-19 02:05:12,778 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 02:05:12,795 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 02:05:12,795 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-19 02:05:12,796 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:05:12 BoogieIcfgContainer [2024-11-19 02:05:12,796 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 02:05:12,798 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 02:05:12,798 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 02:05:12,802 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 02:05:12,802 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:05:01" (1/3) ... [2024-11-19 02:05:12,803 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19fa8e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:05:12, skipping insertion in model container [2024-11-19 02:05:12,803 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:05:04" (2/3) ... [2024-11-19 02:05:12,804 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19fa8e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:05:12, skipping insertion in model container [2024-11-19 02:05:12,804 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:05:12" (3/3) ... [2024-11-19 02:05:12,805 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_clean_up_harness.i [2024-11-19 02:05:12,822 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 02:05:12,822 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 02:05:12,894 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 02:05:12,900 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;@1e760be0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 02:05:12,900 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 02:05:12,904 INFO L276 IsEmpty]: Start isEmpty. Operand has 84 states, 58 states have (on average 1.2413793103448276) internal successors, (72), 59 states have internal predecessors, (72), 16 states have call successors, (16), 8 states have call predecessors, (16), 8 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-19 02:05:12,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-19 02:05:12,914 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 02:05:12,915 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-11-19 02:05:12,918 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 02:05:12,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 02:05:12,923 INFO L85 PathProgramCache]: Analyzing trace with hash 2004625470, now seen corresponding path program 1 times [2024-11-19 02:05:12,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 02:05:12,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916675072] [2024-11-19 02:05:12,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:05:12,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 02:06:30,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:06:31,776 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-19 02:06:31,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 02:06:31,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916675072] [2024-11-19 02:06:31,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916675072] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 02:06:31,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [847307184] [2024-11-19 02:06:31,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:06:31,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 02:06:31,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:06:31,781 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 02:06:31,782 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process