./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_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_string_destroy_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 2c2f07b3e0aa6972fd7ec3621a91e2c0b72d907bfa5004c1888c101ab8ad4836 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 10:16:27,309 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 10:16:27,377 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-20 10:16:27,381 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 10:16:27,383 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 10:16:27,410 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 10:16:27,411 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 10:16:27,411 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 10:16:27,412 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 10:16:27,413 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 10:16:27,414 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 10:16:27,414 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 10:16:27,415 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 10:16:27,418 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 10:16:27,418 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 10:16:27,427 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 10:16:27,427 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 10:16:27,428 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 10:16:27,428 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 10:16:27,428 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 10:16:27,428 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 10:16:27,429 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 10:16:27,429 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 10:16:27,430 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 10:16:27,430 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 10:16:27,430 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 10:16:27,430 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 10:16:27,430 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 10:16:27,431 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 10:16:27,431 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 10:16:27,431 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 10:16:27,431 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 10:16:27,431 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 10:16:27,432 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 10:16:27,432 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 10:16:27,432 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 10:16:27,434 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 10:16:27,434 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 10:16:27,435 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 10:16:27,435 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c2f07b3e0aa6972fd7ec3621a91e2c0b72d907bfa5004c1888c101ab8ad4836 [2024-11-20 10:16:27,705 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 10:16:27,728 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 10:16:27,732 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 10:16:27,734 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 10:16:27,734 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 10:16:27,735 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness_negated.i [2024-11-20 10:16:29,162 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 10:16:29,667 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 10:16:29,668 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness_negated.i [2024-11-20 10:16:29,705 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f69293081/695f7812d5084419b9c6aa45c144e5c7/FLAG52e98ca33 [2024-11-20 10:16:29,721 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f69293081/695f7812d5084419b9c6aa45c144e5c7 [2024-11-20 10:16:29,724 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 10:16:29,725 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 10:16:29,726 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 10:16:29,726 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 10:16:29,731 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 10:16:29,732 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:16:29" (1/1) ... [2024-11-20 10:16:29,732 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3286c3f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:16:29, skipping insertion in model container [2024-11-20 10:16:29,733 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:16:29" (1/1) ... [2024-11-20 10:16:29,844 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 10:16:30,163 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_negated.i[4499,4512] [2024-11-20 10:16:30,175 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_negated.i[4559,4572] [2024-11-20 10:16:30,967 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:16:30,968 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:16:30,968 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:16:30,969 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:16:30,970 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:16:30,982 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:16:30,983 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:16:30,985 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:16:30,985 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:16:31,544 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:16:31,548 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:16:31,660 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 10:16:31,730 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 10:16:31,745 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_negated.i[4499,4512] [2024-11-20 10:16:31,750 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_negated.i[4559,4572] [2024-11-20 10:16:31,799 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:16:31,802 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:16:31,802 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:16:31,802 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:16:31,806 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:16:31,810 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:16:31,811 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:16:31,813 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:16:31,814 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:16:31,925 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8221] [2024-11-20 10:16:31,927 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:16:31,927 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:16:31,939 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8707-8718] [2024-11-20 10:16:31,969 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 10:16:32,226 INFO L204 MainTranslator]: Completed translation [2024-11-20 10:16:32,227 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:16:32 WrapperNode [2024-11-20 10:16:32,227 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 10:16:32,228 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 10:16:32,228 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 10:16:32,229 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 10:16:32,236 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:16:32" (1/1) ... [2024-11-20 10:16:32,350 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:16:32" (1/1) ... [2024-11-20 10:16:32,463 INFO L138 Inliner]: procedures = 682, calls = 2778, calls flagged for inlining = 60, calls inlined = 8, statements flattened = 818 [2024-11-20 10:16:32,464 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 10:16:32,465 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 10:16:32,465 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 10:16:32,466 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 10:16:32,477 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:16:32" (1/1) ... [2024-11-20 10:16:32,477 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:16:32" (1/1) ... [2024-11-20 10:16:32,489 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:16:32" (1/1) ... [2024-11-20 10:16:32,569 INFO L175 MemorySlicer]: Split 531 memory accesses to 6 slices as follows [2, 257, 238, 6, 16, 12]. 48 percent of accesses are in the largest equivalence class. The 29 initializations are split as follows [2, 0, 6, 5, 16, 0]. The 493 writes are split as follows [0, 257, 232, 0, 0, 4]. [2024-11-20 10:16:32,573 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:16:32" (1/1) ... [2024-11-20 10:16:32,573 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:16:32" (1/1) ... [2024-11-20 10:16:32,615 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:16:32" (1/1) ... [2024-11-20 10:16:32,619 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:16:32" (1/1) ... [2024-11-20 10:16:32,626 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:16:32" (1/1) ... [2024-11-20 10:16:32,639 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:16:32" (1/1) ... [2024-11-20 10:16:32,655 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 10:16:32,662 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 10:16:32,662 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 10:16:32,662 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 10:16:32,678 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:16:32" (1/1) ... [2024-11-20 10:16:32,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 10:16:32,709 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 10:16:32,751 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 10:16:32,764 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 10:16:32,841 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2024-11-20 10:16:32,877 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2024-11-20 10:16:32,877 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2024-11-20 10:16:32,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2024-11-20 10:16:32,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-20 10:16:32,878 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-20 10:16:32,878 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-20 10:16:32,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-20 10:16:32,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-20 10:16:32,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-20 10:16:32,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-20 10:16:32,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-20 10:16:32,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-20 10:16:32,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-20 10:16:32,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-20 10:16:32,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-20 10:16:32,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-20 10:16:32,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-20 10:16:32,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-20 10:16:32,879 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-20 10:16:32,879 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-20 10:16:32,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-20 10:16:32,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 10:16:32,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-20 10:16:32,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-20 10:16:32,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-20 10:16:32,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-20 10:16:32,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-20 10:16:32,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-20 10:16:32,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 10:16:32,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 10:16:32,880 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-20 10:16:32,880 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-20 10:16:32,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-20 10:16:32,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-20 10:16:32,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-20 10:16:32,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-20 10:16:32,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-20 10:16:32,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-20 10:16:32,880 INFO L130 BoogieDeclarations]: Found specification of procedure aws_secure_zero [2024-11-20 10:16:32,880 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_secure_zero [2024-11-20 10:16:32,880 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2024-11-20 10:16:32,880 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2024-11-20 10:16:32,880 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-20 10:16:32,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-20 10:16:32,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-20 10:16:32,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-20 10:16:32,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-20 10:16:32,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-20 10:16:32,881 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-20 10:16:32,881 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-20 10:16:32,887 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-20 10:16:32,887 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-20 10:16:32,887 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-20 10:16:32,887 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-20 10:16:32,887 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_bytes [2024-11-20 10:16:32,887 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_bytes [2024-11-20 10:16:32,888 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 10:16:32,888 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 10:16:32,888 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-20 10:16:32,888 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-20 10:16:32,888 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-20 10:16:32,888 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-20 10:16:32,888 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-20 10:16:32,888 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-20 10:16:32,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-20 10:16:32,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-20 10:16:32,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-20 10:16:32,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-20 10:16:32,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-20 10:16:32,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-20 10:16:32,889 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-20 10:16:32,889 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-20 10:16:32,889 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-20 10:16:32,889 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-20 10:16:32,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-20 10:16:32,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-20 10:16:32,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-20 10:16:32,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-20 10:16:32,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-20 10:16:32,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-20 10:16:32,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 10:16:32,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-20 10:16:32,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-20 10:16:32,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-20 10:16:32,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-20 10:16:32,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-20 10:16:33,201 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 10:16:33,204 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 10:16:41,538 INFO L? ?]: Removed 86 outVars from TransFormulas that were not future-live. [2024-11-20 10:16:41,538 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 10:16:41,553 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 10:16:41,554 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-20 10:16:41,554 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:16:41 BoogieIcfgContainer [2024-11-20 10:16:41,554 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 10:16:41,558 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 10:16:41,559 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 10:16:41,562 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 10:16:41,562 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:16:29" (1/3) ... [2024-11-20 10:16:41,563 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e912b99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:16:41, skipping insertion in model container [2024-11-20 10:16:41,563 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:16:32" (2/3) ... [2024-11-20 10:16:41,563 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e912b99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:16:41, skipping insertion in model container [2024-11-20 10:16:41,564 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:16:41" (3/3) ... [2024-11-20 10:16:41,566 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_string_destroy_secure_harness_negated.i [2024-11-20 10:16:41,585 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 10:16:41,586 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 10:16:41,663 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 10:16:41,671 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;@24449976, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 10:16:41,672 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 10:16:41,676 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 10:16:41,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-20 10:16:41,687 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 10:16:41,688 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 10:16:41,689 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 10:16:41,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 10:16:41,695 INFO L85 PathProgramCache]: Analyzing trace with hash 69661278, now seen corresponding path program 1 times [2024-11-20 10:16:41,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 10:16:41,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172728698] [2024-11-20 10:16:41,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 10:16:41,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 10:17:56,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:18:00,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 10:18:00,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:18:01,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 10:18:01,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:18:01,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 10:18:01,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:18:01,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-20 10:18:01,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:18:02,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 10:18:02,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:18:02,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 10:18:02,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:18:02,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 10:18:02,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:18:02,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-20 10:18:02,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:18:02,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 10:18:02,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:18:02,238 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 10:18:02,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 10:18:02,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172728698] [2024-11-20 10:18:02,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172728698] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 10:18:02,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 10:18:02,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-20 10:18:02,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218406361] [2024-11-20 10:18:02,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 10:18:02,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-20 10:18:02,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 10:18:02,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-20 10:18:02,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2024-11-20 10:18:02,269 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)