./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../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 c7c6ca5d 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_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-?-c7c6ca5-m [2024-11-09 03:01:01,800 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 03:01:01,866 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-09 03:01:01,869 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 03:01:01,870 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 03:01:01,894 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 03:01:01,895 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 03:01:01,895 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 03:01:01,896 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 03:01:01,897 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 03:01:01,898 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 03:01:01,898 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 03:01:01,898 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 03:01:01,899 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 03:01:01,899 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 03:01:01,900 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 03:01:01,900 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 03:01:01,901 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 03:01:01,901 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 03:01:01,901 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 03:01:01,901 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 03:01:01,904 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 03:01:01,904 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 03:01:01,904 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 03:01:01,904 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 03:01:01,905 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 03:01:01,905 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 03:01:01,905 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 03:01:01,905 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 03:01:01,905 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:01:01,906 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 03:01:01,906 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 03:01:01,906 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 03:01:01,906 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 03:01:01,907 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 03:01:01,907 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 03:01:01,907 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 03:01:01,907 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 03:01:01,907 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 03:01:01,908 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bb0c309b27b585749f4baad3e5a2aa617acc042d97a0a5f067f810d997d3b9d7 [2024-11-09 03:01:02,155 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 03:01:02,194 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 03:01:02,197 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 03:01:02,198 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 03:01:02,201 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 03:01:02,204 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_secure_harness_negated.i [2024-11-09 03:01:03,552 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 03:01:03,981 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 03:01:03,981 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_secure_harness_negated.i [2024-11-09 03:01:04,024 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/234d31cc0/666a30a7cd4e40dbacbb87ec44761113/FLAG7bcccfafd [2024-11-09 03:01:04,111 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/234d31cc0/666a30a7cd4e40dbacbb87ec44761113 [2024-11-09 03:01:04,113 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 03:01:04,116 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 03:01:04,123 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 03:01:04,123 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 03:01:04,137 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 03:01:04,138 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:01:04" (1/1) ... [2024-11-09 03:01:04,140 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42653442 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:01:04, skipping insertion in model container [2024-11-09 03:01:04,140 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:01:04" (1/1) ... [2024-11-09 03:01:04,235 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 03:01:04,466 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] [2024-11-09 03:01:04,475 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] [2024-11-09 03:01:05,070 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:01:05,071 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:01:05,072 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:01:05,072 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:01:05,073 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:01:05,087 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:01:05,088 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:01:05,089 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:01:05,089 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:01:05,569 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:01:05,570 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:01:05,613 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:01:05,658 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 03:01:05,676 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] [2024-11-09 03:01:05,676 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] [2024-11-09 03:01:05,722 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:01:05,722 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:01:05,723 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:01:05,723 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:01:05,724 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:01:05,735 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:01:05,735 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:01:05,736 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:01:05,736 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:01:05,860 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8061] [2024-11-09 03:01:05,862 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:01:05,862 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:01:05,874 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8547-8558] [2024-11-09 03:01:05,891 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:01:06,183 INFO L204 MainTranslator]: Completed translation [2024-11-09 03:01:06,184 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:01:06 WrapperNode [2024-11-09 03:01:06,184 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 03:01:06,185 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 03:01:06,185 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 03:01:06,185 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 03:01:06,191 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:01:06" (1/1) ... [2024-11-09 03:01:06,267 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:01:06" (1/1) ... [2024-11-09 03:01:06,340 INFO L138 Inliner]: procedures = 680, calls = 2502, calls flagged for inlining = 56, calls inlined = 8, statements flattened = 823 [2024-11-09 03:01:06,341 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 03:01:06,342 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 03:01:06,342 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 03:01:06,342 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 03:01:06,351 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:01:06" (1/1) ... [2024-11-09 03:01:06,352 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:01:06" (1/1) ... [2024-11-09 03:01:06,363 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:01:06" (1/1) ... [2024-11-09 03:01:06,434 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]. [2024-11-09 03:01:06,434 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:01:06" (1/1) ... [2024-11-09 03:01:06,435 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:01:06" (1/1) ... [2024-11-09 03:01:06,474 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:01:06" (1/1) ... [2024-11-09 03:01:06,478 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:01:06" (1/1) ... [2024-11-09 03:01:06,483 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:01:06" (1/1) ... [2024-11-09 03:01:06,486 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:01:06" (1/1) ... [2024-11-09 03:01:06,494 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 03:01:06,495 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 03:01:06,495 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 03:01:06,495 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 03:01:06,496 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:01:06" (1/1) ... [2024-11-09 03:01:06,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:01:06,526 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 03:01:06,547 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) [2024-11-09 03:01:06,550 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 [2024-11-09 03:01:06,590 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-09 03:01:06,592 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-09 03:01:06,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 03:01:06,593 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-09 03:01:06,593 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-09 03:01:06,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-09 03:01:06,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-09 03:01:06,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-09 03:01:06,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-09 03:01:06,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-09 03:01:06,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 03:01:06,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 03:01:06,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-09 03:01:06,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-09 03:01:06,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-09 03:01:06,594 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 03:01:06,594 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 03:01:06,594 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_secure_zero [2024-11-09 03:01:06,594 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_secure_zero [2024-11-09 03:01:06,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 03:01:06,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 03:01:06,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-09 03:01:06,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-09 03:01:06,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-09 03:01:06,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-09 03:01:06,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-09 03:01:06,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 03:01:06,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 03:01:06,595 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-09 03:01:06,595 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-09 03:01:06,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-09 03:01:06,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-09 03:01:06,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-09 03:01:06,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-09 03:01:06,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-09 03:01:06,595 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2024-11-09 03:01:06,595 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2024-11-09 03:01:06,595 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 03:01:06,596 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 03:01:06,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 03:01:06,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-09 03:01:06,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-09 03:01:06,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-09 03:01:06,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-09 03:01:06,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-09 03:01:06,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-09 03:01:06,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-09 03:01:06,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-09 03:01:06,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-09 03:01:06,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-09 03:01:06,598 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-09 03:01:06,599 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-09 03:01:06,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 03:01:06,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 03:01:06,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-09 03:01:06,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-09 03:01:06,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-09 03:01:06,599 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2024-11-09 03:01:06,599 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2024-11-09 03:01:06,600 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2024-11-09 03:01:06,600 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2024-11-09 03:01:06,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 03:01:06,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 03:01:06,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 03:01:06,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-09 03:01:06,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-09 03:01:06,932 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 03:01:06,934 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 03:01:14,488 INFO L? ?]: Removed 72 outVars from TransFormulas that were not future-live. [2024-11-09 03:01:14,488 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 03:01:14,498 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 03:01:14,499 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 03:01:14,499 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:01:14 BoogieIcfgContainer [2024-11-09 03:01:14,499 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 03:01:14,502 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 03:01:14,503 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 03:01:14,505 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 03:01:14,505 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 03:01:04" (1/3) ... [2024-11-09 03:01:14,506 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e2e7b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:01:14, skipping insertion in model container [2024-11-09 03:01:14,506 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:01:06" (2/3) ... [2024-11-09 03:01:14,506 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e2e7b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:01:14, skipping insertion in model container [2024-11-09 03:01:14,506 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:01:14" (3/3) ... [2024-11-09 03:01:14,507 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_clean_up_secure_harness_negated.i [2024-11-09 03:01:14,521 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 03:01:14,521 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 03:01:14,582 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 03:01:14,588 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;@20bf3b01, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 03:01:14,588 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 03:01:14,591 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) [2024-11-09 03:01:14,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-09 03:01:14,602 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:01:14,603 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] [2024-11-09 03:01:14,603 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:01:14,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:01:14,609 INFO L85 PathProgramCache]: Analyzing trace with hash -2095082959, now seen corresponding path program 1 times [2024-11-09 03:01:14,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:01:14,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622830062] [2024-11-09 03:01:14,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:01:14,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 03:02:35,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:02:37,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 03:02:37,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:02:37,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 03:02:37,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:02:37,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-09 03:02:37,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:02:37,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:02:37,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:02:37,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 03:02:37,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:02:37,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 03:02:37,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:02:37,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 03:02:37,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:02:37,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 03:02:37,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:02:37,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 03:02:37,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:02:37,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-09 03:02:37,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:02:37,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 03:02:37,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:02:37,659 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-09 03:02:37,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 03:02:37,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622830062] [2024-11-09 03:02:37,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1622830062] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 03:02:37,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [230183683] [2024-11-09 03:02:37,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:02:37,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 03:02:37,661 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 03:02:37,666 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) [2024-11-09 03:02:37,667 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process