./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.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.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.dk.perfect-tracechecks-8be7027-m [2024-11-12 09:00:13,488 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 09:00:13,598 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-12 09:00:13,603 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 09:00:13,604 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 09:00:13,635 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 09:00:13,636 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 09:00:13,637 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 09:00:13,638 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 09:00:13,639 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 09:00:13,639 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 09:00:13,640 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 09:00:13,641 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 09:00:13,641 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 09:00:13,641 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 09:00:13,644 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 09:00:13,644 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 09:00:13,644 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 09:00:13,645 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 09:00:13,645 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 09:00:13,645 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 09:00:13,646 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 09:00:13,646 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 09:00:13,646 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 09:00:13,650 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 09:00:13,650 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 09:00:13,650 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 09:00:13,650 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 09:00:13,651 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 09:00:13,651 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 09:00:13,651 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 09:00:13,651 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 09:00:13,651 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 09:00:13,652 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 09:00:13,652 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 09:00:13,652 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 09:00:13,652 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 09:00:13,653 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 09:00:13,653 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 09:00:13,654 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc5ed5fb850d9a2c9d9a14514ffc7939afe81a277edfb59aefd3c5f66024eda8 [2024-11-12 09:00:13,891 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 09:00:13,917 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 09:00:13,922 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 09:00:13,923 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 09:00:13,924 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 09:00:13,925 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i [2024-11-12 09:00:15,516 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 09:00:16,042 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 09:00:16,043 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i [2024-11-12 09:00:16,081 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c3a06078/cff3829152bf46bd879c720b9fca5830/FLAGc79e64082 [2024-11-12 09:00:16,587 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c3a06078/cff3829152bf46bd879c720b9fca5830 [2024-11-12 09:00:16,589 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 09:00:16,590 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 09:00:16,592 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 09:00:16,592 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 09:00:16,596 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 09:00:16,596 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 09:00:16" (1/1) ... [2024-11-12 09:00:16,597 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f2fd92c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:00:16, skipping insertion in model container [2024-11-12 09:00:16,597 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 09:00:16" (1/1) ... [2024-11-12 09:00:16,761 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 09:00:17,031 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] [2024-11-12 09:00:17,039 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] [2024-11-12 09:00:17,698 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:00:17,699 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:00:17,699 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:00:17,700 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:00:17,701 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:00:17,711 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:00:17,712 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:00:17,713 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:00:17,714 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:00:18,202 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:00:18,203 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:00:18,323 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 09:00:18,391 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 09:00:18,410 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] [2024-11-12 09:00:18,411 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] [2024-11-12 09:00:18,539 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:00:18,540 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:00:18,540 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:00:18,541 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:00:18,541 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:00:18,551 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:00:18,553 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:00:18,554 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:00:18,555 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:00:18,703 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8253] [2024-11-12 09:00:18,706 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:00:18,707 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:00:18,720 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8739-8750] [2024-11-12 09:00:18,765 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 09:00:19,015 INFO L204 MainTranslator]: Completed translation [2024-11-12 09:00:19,015 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:00:19 WrapperNode [2024-11-12 09:00:19,015 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 09:00:19,016 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 09:00:19,017 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 09:00:19,017 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 09:00:19,025 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:00:19" (1/1) ... [2024-11-12 09:00:19,114 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:00:19" (1/1) ... [2024-11-12 09:00:19,187 INFO L138 Inliner]: procedures = 682, calls = 2778, calls flagged for inlining = 60, calls inlined = 8, statements flattened = 818 [2024-11-12 09:00:19,188 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 09:00:19,188 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 09:00:19,188 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 09:00:19,189 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 09:00:19,199 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:00:19" (1/1) ... [2024-11-12 09:00:19,199 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:00:19" (1/1) ... [2024-11-12 09:00:19,216 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:00:19" (1/1) ... [2024-11-12 09:00:19,304 INFO L175 MemorySlicer]: Split 531 memory accesses to 6 slices as follows [2, 257, 12, 238, 16, 6]. 48 percent of accesses are in the largest equivalence class. The 29 initializations are split as follows [2, 0, 0, 6, 16, 5]. The 493 writes are split as follows [0, 257, 4, 232, 0, 0]. [2024-11-12 09:00:19,304 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:00:19" (1/1) ... [2024-11-12 09:00:19,304 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:00:19" (1/1) ... [2024-11-12 09:00:19,349 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:00:19" (1/1) ... [2024-11-12 09:00:19,359 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:00:19" (1/1) ... [2024-11-12 09:00:19,372 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:00:19" (1/1) ... [2024-11-12 09:00:19,383 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:00:19" (1/1) ... [2024-11-12 09:00:19,396 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 09:00:19,397 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 09:00:19,397 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 09:00:19,398 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 09:00:19,400 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:00:19" (1/1) ... [2024-11-12 09:00:19,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 09:00:19,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 09:00:19,433 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 09:00:19,440 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 09:00:19,483 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2024-11-12 09:00:19,485 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2024-11-12 09:00:19,485 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2024-11-12 09:00:19,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2024-11-12 09:00:19,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-12 09:00:19,486 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-12 09:00:19,486 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-12 09:00:19,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-12 09:00:19,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-12 09:00:19,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-12 09:00:19,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-12 09:00:19,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-12 09:00:19,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-12 09:00:19,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-12 09:00:19,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-12 09:00:19,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-12 09:00:19,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-12 09:00:19,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-12 09:00:19,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-12 09:00:19,489 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-12 09:00:19,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-12 09:00:19,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-12 09:00:19,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 09:00:19,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-12 09:00:19,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-12 09:00:19,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-12 09:00:19,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-12 09:00:19,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-12 09:00:19,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-12 09:00:19,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 09:00:19,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 09:00:19,490 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-12 09:00:19,490 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-12 09:00:19,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-12 09:00:19,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-12 09:00:19,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-12 09:00:19,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-12 09:00:19,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-12 09:00:19,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-12 09:00:19,491 INFO L130 BoogieDeclarations]: Found specification of procedure aws_secure_zero [2024-11-12 09:00:19,491 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_secure_zero [2024-11-12 09:00:19,491 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2024-11-12 09:00:19,491 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2024-11-12 09:00:19,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-12 09:00:19,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-12 09:00:19,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-12 09:00:19,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-12 09:00:19,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-12 09:00:19,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-12 09:00:19,492 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-12 09:00:19,492 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-12 09:00:19,492 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-12 09:00:19,492 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-12 09:00:19,492 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-12 09:00:19,492 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-12 09:00:19,492 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_bytes [2024-11-12 09:00:19,492 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_bytes [2024-11-12 09:00:19,492 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 09:00:19,492 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 09:00:19,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-12 09:00:19,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-12 09:00:19,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-12 09:00:19,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-12 09:00:19,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-12 09:00:19,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-12 09:00:19,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-12 09:00:19,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-12 09:00:19,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-12 09:00:19,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-12 09:00:19,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-12 09:00:19,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-12 09:00:19,493 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-12 09:00:19,493 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-12 09:00:19,493 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-12 09:00:19,494 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-12 09:00:19,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-12 09:00:19,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-12 09:00:19,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-12 09:00:19,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-12 09:00:19,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-12 09:00:19,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-12 09:00:19,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 09:00:19,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-12 09:00:19,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-12 09:00:19,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-12 09:00:19,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-12 09:00:19,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-12 09:00:19,825 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 09:00:19,828 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 09:00:28,303 INFO L? ?]: Removed 86 outVars from TransFormulas that were not future-live. [2024-11-12 09:00:28,304 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 09:00:28,317 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 09:00:28,318 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-12 09:00:28,318 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 09:00:28 BoogieIcfgContainer [2024-11-12 09:00:28,318 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 09:00:28,321 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 09:00:28,321 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 09:00:28,324 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 09:00:28,324 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 09:00:16" (1/3) ... [2024-11-12 09:00:28,324 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20ba0187 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 09:00:28, skipping insertion in model container [2024-11-12 09:00:28,325 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:00:19" (2/3) ... [2024-11-12 09:00:28,325 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20ba0187 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 09:00:28, skipping insertion in model container [2024-11-12 09:00:28,326 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 09:00:28" (3/3) ... [2024-11-12 09:00:28,328 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_string_destroy_secure_harness.i [2024-11-12 09:00:28,344 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 09:00:28,344 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 09:00:28,408 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 09:00:28,414 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;@4d2d0763, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 09:00:28,415 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 09:00:28,419 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 09:00:28,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-12 09:00:28,427 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 09:00:28,427 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 09:00:28,428 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 09:00:28,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 09:00:28,432 INFO L85 PathProgramCache]: Analyzing trace with hash 69661278, now seen corresponding path program 1 times [2024-11-12 09:00:28,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 09:00:28,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997853467] [2024-11-12 09:00:28,443 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 09:00:28,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 09:01:41,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:01:45,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 09:01:45,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:01:46,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 09:01:46,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:01:46,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-12 09:01:46,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:01:46,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-12 09:01:46,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:01:47,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 09:01:47,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:01:47,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 09:01:47,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:01:47,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 09:01:47,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:01:47,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-12 09:01:47,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:01:47,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 09:01:47,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:01:47,200 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-12 09:01:47,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 09:01:47,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997853467] [2024-11-12 09:01:47,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [997853467] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 09:01:47,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 09:01:47,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-12 09:01:47,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787480729] [2024-11-12 09:01:47,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 09:01:47,209 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-12 09:01:47,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 09:01:47,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-12 09:01:47,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2024-11-12 09:01:47,237 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)