./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../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 8be7027f 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_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.dk.perfect-tracechecks-8be7027-m [2024-11-12 09:00:15,102 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 09:00:15,209 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-12 09:00:15,213 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 09:00:15,213 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 09:00:15,232 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 09:00:15,232 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 09:00:15,233 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 09:00:15,233 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 09:00:15,234 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 09:00:15,234 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 09:00:15,234 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 09:00:15,235 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 09:00:15,235 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 09:00:15,236 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 09:00:15,236 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 09:00:15,237 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 09:00:15,239 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 09:00:15,240 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 09:00:15,240 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 09:00:15,240 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 09:00:15,241 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 09:00:15,241 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 09:00:15,241 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 09:00:15,241 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 09:00:15,242 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 09:00:15,242 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 09:00:15,242 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 09:00:15,243 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 09:00:15,243 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 09:00:15,243 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 09:00:15,244 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 09:00:15,244 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 09:00:15,244 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 09:00:15,245 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 09:00:15,245 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 09:00:15,245 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 09:00:15,245 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 09:00:15,246 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 09:00:15,246 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c2f07b3e0aa6972fd7ec3621a91e2c0b72d907bfa5004c1888c101ab8ad4836 [2024-11-12 09:00:15,514 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 09:00:15,538 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 09:00:15,541 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 09:00:15,542 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 09:00:15,542 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 09:00:15,544 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness_negated.i [2024-11-12 09:00:16,927 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 09:00:17,399 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 09:00:17,400 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness_negated.i [2024-11-12 09:00:17,445 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91d4ffaef/5660d9a0085148caad4fc8f32390999d/FLAGd07765fbb [2024-11-12 09:00:17,464 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91d4ffaef/5660d9a0085148caad4fc8f32390999d [2024-11-12 09:00:17,468 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 09:00:17,470 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 09:00:17,471 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 09:00:17,472 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 09:00:17,478 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 09:00:17,478 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 09:00:17" (1/1) ... [2024-11-12 09:00:17,479 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ae5b17d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:00:17, skipping insertion in model container [2024-11-12 09:00:17,481 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 09:00:17" (1/1) ... [2024-11-12 09:00:17,592 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 09:00:17,910 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] [2024-11-12 09:00:17,921 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] [2024-11-12 09:00:18,803 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:00:18,804 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:00:18,804 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:00:18,808 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:00:18,809 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:00:18,854 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:00:18,855 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:00:18,859 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:00:18,860 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:00:19,320 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:00:19,320 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:00:19,397 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 09:00:19,461 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 09:00:19,475 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_string_destroy_secure_harness_negated.i[4499,4512] [2024-11-12 09:00:19,478 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] [2024-11-12 09:00:19,533 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:00:19,534 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:00:19,534 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:00:19,534 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:00:19,535 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:00:19,540 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:00:19,541 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:00:19,541 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:00:19,542 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:00:19,646 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8221] [2024-11-12 09:00:19,652 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:00:19,653 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:00:19,765 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8707-8718] [2024-11-12 09:00:19,804 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 09:00:20,030 INFO L204 MainTranslator]: Completed translation [2024-11-12 09:00:20,030 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:00:20 WrapperNode [2024-11-12 09:00:20,031 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 09:00:20,032 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 09:00:20,032 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 09:00:20,032 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 09:00:20,039 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:00:20" (1/1) ... [2024-11-12 09:00:20,137 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:00:20" (1/1) ... [2024-11-12 09:00:20,263 INFO L138 Inliner]: procedures = 682, calls = 2778, calls flagged for inlining = 60, calls inlined = 8, statements flattened = 818 [2024-11-12 09:00:20,264 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 09:00:20,264 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 09:00:20,265 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 09:00:20,265 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 09:00:20,276 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:00:20" (1/1) ... [2024-11-12 09:00:20,276 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:00:20" (1/1) ... [2024-11-12 09:00:20,293 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:00:20" (1/1) ... [2024-11-12 09:00:20,377 INFO L175 MemorySlicer]: Split 531 memory accesses to 6 slices as follows [2, 257, 238, 12, 16, 6]. 48 percent of accesses are in the largest equivalence class. The 29 initializations are split as follows [2, 0, 6, 0, 16, 5]. The 493 writes are split as follows [0, 257, 232, 4, 0, 0]. [2024-11-12 09:00:20,377 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:00:20" (1/1) ... [2024-11-12 09:00:20,378 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:00:20" (1/1) ... [2024-11-12 09:00:20,419 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:00:20" (1/1) ... [2024-11-12 09:00:20,427 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:00:20" (1/1) ... [2024-11-12 09:00:20,448 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:00:20" (1/1) ... [2024-11-12 09:00:20,457 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:00:20" (1/1) ... [2024-11-12 09:00:20,475 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 09:00:20,476 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 09:00:20,477 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 09:00:20,477 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 09:00:20,478 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:00:20" (1/1) ... [2024-11-12 09:00:20,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 09:00:20,494 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 09:00:20,511 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) [2024-11-12 09:00:20,517 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 [2024-11-12 09:00:20,563 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2024-11-12 09:00:20,563 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2024-11-12 09:00:20,563 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2024-11-12 09:00:20,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2024-11-12 09:00:20,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-12 09:00:20,564 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-12 09:00:20,564 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-12 09:00:20,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-12 09:00:20,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-12 09:00:20,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-12 09:00:20,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-12 09:00:20,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-12 09:00:20,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-12 09:00:20,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-12 09:00:20,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-12 09:00:20,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-12 09:00:20,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-12 09:00:20,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-12 09:00:20,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-12 09:00:20,566 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-12 09:00:20,566 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-12 09:00:20,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-12 09:00:20,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 09:00:20,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-12 09:00:20,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-12 09:00:20,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-12 09:00:20,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-12 09:00:20,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-12 09:00:20,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-12 09:00:20,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 09:00:20,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 09:00:20,568 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-12 09:00:20,568 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-12 09:00:20,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-12 09:00:20,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-12 09:00:20,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-12 09:00:20,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-12 09:00:20,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-12 09:00:20,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-12 09:00:20,571 INFO L130 BoogieDeclarations]: Found specification of procedure aws_secure_zero [2024-11-12 09:00:20,572 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_secure_zero [2024-11-12 09:00:20,572 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2024-11-12 09:00:20,572 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2024-11-12 09:00:20,572 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-12 09:00:20,572 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-12 09:00:20,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-12 09:00:20,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-12 09:00:20,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-12 09:00:20,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-12 09:00:20,573 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-12 09:00:20,573 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-12 09:00:20,573 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-12 09:00:20,573 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-12 09:00:20,573 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-12 09:00:20,573 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-12 09:00:20,573 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_bytes [2024-11-12 09:00:20,574 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_bytes [2024-11-12 09:00:20,574 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 09:00:20,574 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 09:00:20,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-12 09:00:20,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-12 09:00:20,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-12 09:00:20,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-12 09:00:20,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-12 09:00:20,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-12 09:00:20,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-12 09:00:20,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-12 09:00:20,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-12 09:00:20,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-12 09:00:20,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-12 09:00:20,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-12 09:00:20,575 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-12 09:00:20,575 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-12 09:00:20,575 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-12 09:00:20,575 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-12 09:00:20,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-12 09:00:20,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-12 09:00:20,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-12 09:00:20,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-12 09:00:20,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-12 09:00:20,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-12 09:00:20,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 09:00:20,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-12 09:00:20,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-12 09:00:20,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-12 09:00:20,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-12 09:00:20,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-12 09:00:20,893 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 09:00:20,896 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 09:00:29,338 INFO L? ?]: Removed 86 outVars from TransFormulas that were not future-live. [2024-11-12 09:00:29,340 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 09:00:29,357 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 09:00:29,358 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-12 09:00:29,359 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 09:00:29 BoogieIcfgContainer [2024-11-12 09:00:29,359 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 09:00:29,361 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 09:00:29,362 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 09:00:29,366 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 09:00:29,366 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 09:00:17" (1/3) ... [2024-11-12 09:00:29,366 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f9a8af2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 09:00:29, skipping insertion in model container [2024-11-12 09:00:29,367 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:00:20" (2/3) ... [2024-11-12 09:00:29,367 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f9a8af2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 09:00:29, skipping insertion in model container [2024-11-12 09:00:29,368 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 09:00:29" (3/3) ... [2024-11-12 09:00:29,370 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_string_destroy_secure_harness_negated.i [2024-11-12 09:00:29,387 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 09:00:29,387 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 09:00:29,450 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 09:00:29,458 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;@674bfabf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 09:00:29,459 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 09:00:29,465 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) [2024-11-12 09:00:29,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-12 09:00:29,476 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 09:00:29,477 INFO L218 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] [2024-11-12 09:00:29,478 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 09:00:29,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 09:00:29,485 INFO L85 PathProgramCache]: Analyzing trace with hash 69661278, now seen corresponding path program 1 times [2024-11-12 09:00:29,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 09:00:29,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993059215] [2024-11-12 09:00:29,495 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 09:00:29,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 09:01:47,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:01:52,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 09:01:52,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat