./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_clean_up_secure_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_clean_up_secure_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 bb0c309b27b585749f4baad3e5a2aa617acc042d97a0a5f067f810d997d3b9d7 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 09:55:57,941 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 09:55:58,007 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-20 09:55:58,014 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 09:55:58,014 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 09:55:58,031 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 09:55:58,032 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 09:55:58,032 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 09:55:58,033 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 09:55:58,033 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 09:55:58,033 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 09:55:58,033 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 09:55:58,034 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 09:55:58,034 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 09:55:58,035 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 09:55:58,035 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 09:55:58,035 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 09:55:58,036 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 09:55:58,036 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 09:55:58,036 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 09:55:58,036 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 09:55:58,037 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 09:55:58,037 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 09:55:58,037 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 09:55:58,038 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 09:55:58,038 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 09:55:58,038 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 09:55:58,038 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 09:55:58,038 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 09:55:58,039 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 09:55:58,039 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 09:55:58,039 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 09:55:58,039 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 09:55:58,040 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 09:55:58,040 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 09:55:58,040 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 09:55:58,040 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 09:55:58,040 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 09:55:58,041 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 09:55:58,041 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bb0c309b27b585749f4baad3e5a2aa617acc042d97a0a5f067f810d997d3b9d7 [2024-11-20 09:55:58,246 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 09:55:58,268 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 09:55:58,271 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 09:55:58,273 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 09:55:58,277 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 09:55:58,278 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_secure_harness_negated.i [2024-11-20 09:55:59,549 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 09:55:59,915 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 09:55:59,916 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_secure_harness_negated.i [2024-11-20 09:55:59,952 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99a31537f/8c1ad70f3d0046589147133a9208ceab/FLAG5d54c3899 [2024-11-20 09:55:59,967 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99a31537f/8c1ad70f3d0046589147133a9208ceab [2024-11-20 09:55:59,969 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 09:55:59,971 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 09:55:59,972 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 09:55:59,972 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 09:55:59,977 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 09:55:59,977 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:55:59" (1/1) ... [2024-11-20 09:55:59,979 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c5c3d39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:55:59, skipping insertion in model container [2024-11-20 09:55:59,979 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:55:59" (1/1) ... [2024-11-20 09:56:00,069 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 09:56:00,299 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_secure_harness_negated.i[4502,4515] [2024-11-20 09:56:00,308 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_secure_harness_negated.i[4562,4575] [2024-11-20 09:56:00,881 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:56:00,882 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:56:00,882 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:56:00,883 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:56:00,883 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:56:00,897 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:56:00,898 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:56:00,900 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:56:00,901 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:56:01,399 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:56:01,400 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:56:01,449 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 09:56:01,493 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 09:56:01,508 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_secure_harness_negated.i[4502,4515] [2024-11-20 09:56:01,508 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_secure_harness_negated.i[4562,4575] [2024-11-20 09:56:01,536 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:56:01,537 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:56:01,537 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:56:01,538 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:56:01,538 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:56:01,543 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:56:01,544 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:56:01,545 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:56:01,545 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:56:01,626 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8061] [2024-11-20 09:56:01,631 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:56:01,631 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:56:01,640 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8547-8558] [2024-11-20 09:56:01,647 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 09:56:01,885 INFO L204 MainTranslator]: Completed translation [2024-11-20 09:56:01,885 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:56:01 WrapperNode [2024-11-20 09:56:01,886 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 09:56:01,887 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 09:56:01,887 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 09:56:01,887 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 09:56:01,892 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:56:01" (1/1) ... [2024-11-20 09:56:01,975 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:56:01" (1/1) ... [2024-11-20 09:56:02,041 INFO L138 Inliner]: procedures = 680, calls = 2502, calls flagged for inlining = 56, calls inlined = 8, statements flattened = 823 [2024-11-20 09:56:02,041 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 09:56:02,042 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 09:56:02,042 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 09:56:02,042 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 09:56:02,052 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:56:01" (1/1) ... [2024-11-20 09:56:02,052 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:56:01" (1/1) ... [2024-11-20 09:56:02,063 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:56:01" (1/1) ... [2024-11-20 09:56:02,135 INFO L175 MemorySlicer]: Split 536 memory accesses to 5 slices as follows [2, 257, 238, 7, 32]. 48 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 6, 5, 4]. The 497 writes are split as follows [0, 257, 232, 1, 7]. [2024-11-20 09:56:02,136 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:56:01" (1/1) ... [2024-11-20 09:56:02,136 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:56:01" (1/1) ... [2024-11-20 09:56:02,161 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:56:01" (1/1) ... [2024-11-20 09:56:02,166 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:56:01" (1/1) ... [2024-11-20 09:56:02,172 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:56:01" (1/1) ... [2024-11-20 09:56:02,179 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:56:01" (1/1) ... [2024-11-20 09:56:02,185 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 09:56:02,186 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 09:56:02,186 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 09:56:02,186 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 09:56:02,187 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:56:01" (1/1) ... [2024-11-20 09:56:02,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 09:56:02,202 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 09:56:02,218 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 09:56:02,220 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 09:56:02,254 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-20 09:56:02,254 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-20 09:56:02,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-20 09:56:02,254 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-20 09:56:02,254 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-20 09:56:02,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-20 09:56:02,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-20 09:56:02,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-20 09:56:02,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-20 09:56:02,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-20 09:56:02,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-20 09:56:02,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-20 09:56:02,258 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-20 09:56:02,258 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-20 09:56:02,258 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-20 09:56:02,258 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-20 09:56:02,258 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-20 09:56:02,259 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_secure_zero [2024-11-20 09:56:02,259 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_secure_zero [2024-11-20 09:56:02,259 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-20 09:56:02,259 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 09:56:02,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-20 09:56:02,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-20 09:56:02,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-20 09:56:02,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-20 09:56:02,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-20 09:56:02,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 09:56:02,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 09:56:02,260 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-20 09:56:02,260 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-20 09:56:02,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-20 09:56:02,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-20 09:56:02,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-20 09:56:02,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-20 09:56:02,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-20 09:56:02,261 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2024-11-20 09:56:02,261 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2024-11-20 09:56:02,261 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 09:56:02,261 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 09:56:02,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-20 09:56:02,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-20 09:56:02,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-20 09:56:02,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-20 09:56:02,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-20 09:56:02,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-20 09:56:02,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-20 09:56:02,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-20 09:56:02,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-20 09:56:02,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-20 09:56:02,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-20 09:56:02,262 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-20 09:56:02,262 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-20 09:56:02,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-20 09:56:02,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-20 09:56:02,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-20 09:56:02,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-20 09:56:02,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-20 09:56:02,263 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2024-11-20 09:56:02,263 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2024-11-20 09:56:02,264 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2024-11-20 09:56:02,264 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2024-11-20 09:56:02,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 09:56:02,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-20 09:56:02,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-20 09:56:02,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-20 09:56:02,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-20 09:56:02,500 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 09:56:02,502 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 09:56:09,679 INFO L? ?]: Removed 72 outVars from TransFormulas that were not future-live. [2024-11-20 09:56:09,679 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 09:56:09,693 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 09:56:09,693 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 09:56:09,694 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:56:09 BoogieIcfgContainer [2024-11-20 09:56:09,694 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 09:56:09,696 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 09:56:09,696 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 09:56:09,699 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 09:56:09,699 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:55:59" (1/3) ... [2024-11-20 09:56:09,700 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@253927d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:56:09, skipping insertion in model container [2024-11-20 09:56:09,700 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:56:01" (2/3) ... [2024-11-20 09:56:09,700 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@253927d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:56:09, skipping insertion in model container [2024-11-20 09:56:09,701 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:56:09" (3/3) ... [2024-11-20 09:56:09,702 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_clean_up_secure_harness_negated.i [2024-11-20 09:56:09,716 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 09:56:09,716 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 09:56:09,772 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 09:56:09,778 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;@43060864, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 09:56:09,778 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 09:56:09,783 INFO L276 IsEmpty]: Start isEmpty. Operand has 120 states, 80 states have (on average 1.225) internal successors, (98), 81 states have internal predecessors, (98), 28 states have call successors, (28), 10 states have call predecessors, (28), 10 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-20 09:56:09,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-20 09:56:09,795 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 09:56:09,796 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 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 09:56:09,796 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 09:56:09,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 09:56:09,801 INFO L85 PathProgramCache]: Analyzing trace with hash -2095082959, now seen corresponding path program 1 times [2024-11-20 09:56:09,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 09:56:09,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492292646] [2024-11-20 09:56:09,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 09:56:09,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 09:57:25,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:57:27,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 09:57:27,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:57:27,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-20 09:57:27,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:57:27,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-20 09:57:27,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:57:27,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 09:57:27,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:57:27,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 09:57:27,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:57:27,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-20 09:57:27,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:57:27,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-20 09:57:27,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:57:27,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-20 09:57:27,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:57:27,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 09:57:27,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:57:27,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 09:57:27,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:57:27,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 09:57:27,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:57:27,601 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-20 09:57:27,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 09:57:27,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492292646] [2024-11-20 09:57:27,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492292646] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 09:57:27,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1793496636] [2024-11-20 09:57:27,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 09:57:27,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 09:57:27,606 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 09:57:27,609 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) [2024-11-20 09:57:27,610 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process