./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_string_destroy_secure_harness.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_string_destroy_secure_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 bc5ed5fb850d9a2c9d9a14514ffc7939afe81a277edfb59aefd3c5f66024eda8 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 10:16:24,351 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 10:16:24,418 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-20 10:16:24,424 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 10:16:24,426 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 10:16:24,455 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 10:16:24,456 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 10:16:24,456 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 10:16:24,457 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 10:16:24,459 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 10:16:24,461 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 10:16:24,461 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 10:16:24,462 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 10:16:24,462 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 10:16:24,462 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 10:16:24,463 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 10:16:24,463 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 10:16:24,465 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 10:16:24,465 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 10:16:24,465 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 10:16:24,466 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 10:16:24,466 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 10:16:24,466 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 10:16:24,467 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 10:16:24,467 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 10:16:24,467 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 10:16:24,468 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 10:16:24,468 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 10:16:24,468 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 10:16:24,469 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 10:16:24,470 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 10:16:24,470 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 10:16:24,471 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 10:16:24,471 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 10:16:24,471 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 10:16:24,472 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 10:16:24,472 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 10:16:24,472 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 10:16:24,473 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 10:16:24,473 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc5ed5fb850d9a2c9d9a14514ffc7939afe81a277edfb59aefd3c5f66024eda8 [2024-11-20 10:16:24,760 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 10:16:24,783 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 10:16:24,786 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 10:16:24,787 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 10:16:24,788 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 10:16:24,789 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i [2024-11-20 10:16:26,126 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 10:16:26,617 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 10:16:26,617 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i [2024-11-20 10:16:26,658 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/132598397/1d0673e7a1d74896bd8cbcaf64d0f7f4/FLAGaf88917cf [2024-11-20 10:16:26,694 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/132598397/1d0673e7a1d74896bd8cbcaf64d0f7f4 [2024-11-20 10:16:26,696 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 10:16:26,698 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 10:16:26,699 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 10:16:26,699 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 10:16:26,704 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 10:16:26,704 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:16:26" (1/1) ... [2024-11-20 10:16:26,705 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16a83ded and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:16:26, skipping insertion in model container [2024-11-20 10:16:26,705 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:16:26" (1/1) ... [2024-11-20 10:16:26,802 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 10:16:27,100 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_string_destroy_secure_harness.i[4499,4512] [2024-11-20 10:16:27,109 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_string_destroy_secure_harness.i[4559,4572] [2024-11-20 10:16:27,843 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:16:27,847 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:16:27,847 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:16:27,848 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:16:27,850 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:16:27,872 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:16:27,873 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:16:27,875 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:16:27,877 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:16:28,547 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:16:28,547 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:16:28,615 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 10:16:28,695 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 10:16:28,714 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_string_destroy_secure_harness.i[4499,4512] [2024-11-20 10:16:28,714 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_string_destroy_secure_harness.i[4559,4572] [2024-11-20 10:16:28,762 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:16:28,762 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:16:28,763 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:16:28,764 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:16:28,764 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:16:28,771 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:16:28,772 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:16:28,773 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:16:28,773 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:16:28,889 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8253] [2024-11-20 10:16:28,891 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:16:28,892 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:16:28,907 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8739-8750] [2024-11-20 10:16:28,947 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 10:16:29,200 INFO L204 MainTranslator]: Completed translation [2024-11-20 10:16:29,200 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:16:29 WrapperNode [2024-11-20 10:16:29,201 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 10:16:29,202 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 10:16:29,202 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 10:16:29,202 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 10:16:29,208 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:16:29" (1/1) ... [2024-11-20 10:16:29,312 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:16:29" (1/1) ... [2024-11-20 10:16:29,394 INFO L138 Inliner]: procedures = 682, calls = 2778, calls flagged for inlining = 60, calls inlined = 8, statements flattened = 818 [2024-11-20 10:16:29,397 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 10:16:29,397 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 10:16:29,397 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 10:16:29,398 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 10:16:29,408 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:16:29" (1/1) ... [2024-11-20 10:16:29,408 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:16:29" (1/1) ... [2024-11-20 10:16:29,426 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:16:29" (1/1) ... [2024-11-20 10:16:29,501 INFO L175 MemorySlicer]: Split 531 memory accesses to 6 slices as follows [2, 257, 238, 16, 6, 12]. 48 percent of accesses are in the largest equivalence class. The 29 initializations are split as follows [2, 0, 6, 16, 5, 0]. The 493 writes are split as follows [0, 257, 232, 0, 0, 4]. [2024-11-20 10:16:29,504 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:16:29" (1/1) ... [2024-11-20 10:16:29,504 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:16:29" (1/1) ... [2024-11-20 10:16:29,549 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:16:29" (1/1) ... [2024-11-20 10:16:29,553 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:16:29" (1/1) ... [2024-11-20 10:16:29,564 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:16:29" (1/1) ... [2024-11-20 10:16:29,571 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:16:29" (1/1) ... [2024-11-20 10:16:29,583 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 10:16:29,584 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 10:16:29,584 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 10:16:29,584 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 10:16:29,585 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:16:29" (1/1) ... [2024-11-20 10:16:29,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 10:16:29,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 10:16:29,620 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 10:16:29,626 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 10:16:29,670 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2024-11-20 10:16:29,672 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2024-11-20 10:16:29,673 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2024-11-20 10:16:29,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2024-11-20 10:16:29,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-20 10:16:29,673 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-20 10:16:29,674 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-20 10:16:29,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-20 10:16:29,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-20 10:16:29,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-20 10:16:29,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-20 10:16:29,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-20 10:16:29,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-20 10:16:29,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-20 10:16:29,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-20 10:16:29,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-20 10:16:29,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-20 10:16:29,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-20 10:16:29,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-20 10:16:29,676 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-20 10:16:29,676 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-20 10:16:29,676 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-20 10:16:29,676 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 10:16:29,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-20 10:16:29,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-20 10:16:29,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-20 10:16:29,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-20 10:16:29,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-20 10:16:29,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-20 10:16:29,676 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 10:16:29,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 10:16:29,676 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-20 10:16:29,676 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-20 10:16:29,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-20 10:16:29,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-20 10:16:29,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-20 10:16:29,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-20 10:16:29,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-20 10:16:29,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-20 10:16:29,677 INFO L130 BoogieDeclarations]: Found specification of procedure aws_secure_zero [2024-11-20 10:16:29,678 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_secure_zero [2024-11-20 10:16:29,678 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2024-11-20 10:16:29,678 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2024-11-20 10:16:29,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-20 10:16:29,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-20 10:16:29,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-20 10:16:29,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-20 10:16:29,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-20 10:16:29,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-20 10:16:29,680 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-20 10:16:29,680 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-20 10:16:29,680 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-20 10:16:29,680 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-20 10:16:29,680 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-20 10:16:29,681 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-20 10:16:29,681 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_bytes [2024-11-20 10:16:29,681 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_bytes [2024-11-20 10:16:29,681 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 10:16:29,681 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 10:16:29,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-20 10:16:29,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-20 10:16:29,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-20 10:16:29,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-20 10:16:29,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-20 10:16:29,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-20 10:16:29,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-20 10:16:29,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-20 10:16:29,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-20 10:16:29,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-20 10:16:29,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-20 10:16:29,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-20 10:16:29,684 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-20 10:16:29,684 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-20 10:16:29,684 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-20 10:16:29,684 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-20 10:16:29,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-20 10:16:29,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-20 10:16:29,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-20 10:16:29,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-20 10:16:29,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-20 10:16:29,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-20 10:16:29,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 10:16:29,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-20 10:16:29,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-20 10:16:29,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-20 10:16:29,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-20 10:16:29,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-20 10:16:29,992 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 10:16:29,994 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 10:16:38,123 INFO L? ?]: Removed 86 outVars from TransFormulas that were not future-live. [2024-11-20 10:16:38,124 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 10:16:38,136 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 10:16:38,137 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-20 10:16:38,138 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:16:38 BoogieIcfgContainer [2024-11-20 10:16:38,138 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 10:16:38,141 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 10:16:38,142 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 10:16:38,145 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 10:16:38,145 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:16:26" (1/3) ... [2024-11-20 10:16:38,146 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@209135c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:16:38, skipping insertion in model container [2024-11-20 10:16:38,146 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:16:29" (2/3) ... [2024-11-20 10:16:38,146 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@209135c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:16:38, skipping insertion in model container [2024-11-20 10:16:38,147 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:16:38" (3/3) ... [2024-11-20 10:16:38,148 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_string_destroy_secure_harness.i [2024-11-20 10:16:38,164 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 10:16:38,165 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 10:16:38,227 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 10:16:38,236 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;@6c44dee9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 10:16:38,236 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 10:16:38,242 INFO L276 IsEmpty]: Start isEmpty. Operand has 102 states, 68 states have (on average 1.1911764705882353) internal successors, (81), 69 states have internal predecessors, (81), 20 states have call successors, (20), 12 states have call predecessors, (20), 12 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-20 10:16:38,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-20 10:16:38,251 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 10:16:38,251 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 10:16:38,252 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 10:16:38,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 10:16:38,256 INFO L85 PathProgramCache]: Analyzing trace with hash 69661278, now seen corresponding path program 1 times [2024-11-20 10:16:38,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 10:16:38,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101141533] [2024-11-20 10:16:38,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 10:16:38,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 10:17:52,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:17:57,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 10:17:57,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:17:57,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 10:17:57,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:17:57,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 10:17:57,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:17:58,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-20 10:17:58,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:17:58,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 10:17:58,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:17:58,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 10:17:58,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:17:58,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 10:17:58,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:17:58,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-20 10:17:58,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:17:58,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 10:17:58,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:17:58,519 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-20 10:17:58,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 10:17:58,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101141533] [2024-11-20 10:17:58,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101141533] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 10:17:58,520 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 10:17:58,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-20 10:17:58,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566957262] [2024-11-20 10:17:58,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 10:17:58,526 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-20 10:17:58,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 10:17:58,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-20 10:17:58,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2024-11-20 10:17:58,557 INFO L87 Difference]: Start difference. First operand has 102 states, 68 states have (on average 1.1911764705882353) internal successors, (81), 69 states have internal predecessors, (81), 20 states have call successors, (20), 12 states have call predecessors, (20), 12 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 13 states, 13 states have (on average 2.5384615384615383) internal successors, (33), 9 states have internal predecessors, (33), 4 states have call successors, (10), 4 states have call predecessors, (10), 3 states have return successors, (9), 6 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-20 10:18:02,765 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers []