./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 c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_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-?-c7c6ca5-m [2024-11-09 03:21:23,646 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 03:21:23,715 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-09 03:21:23,722 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 03:21:23,724 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 03:21:23,753 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 03:21:23,753 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 03:21:23,754 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 03:21:23,755 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 03:21:23,758 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 03:21:23,759 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 03:21:23,759 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 03:21:23,760 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 03:21:23,760 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 03:21:23,760 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 03:21:23,761 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 03:21:23,761 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 03:21:23,761 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 03:21:23,762 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 03:21:23,762 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 03:21:23,765 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 03:21:23,765 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 03:21:23,766 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 03:21:23,766 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 03:21:23,766 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 03:21:23,766 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 03:21:23,766 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 03:21:23,767 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 03:21:23,767 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 03:21:23,767 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:21:23,767 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 03:21:23,768 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 03:21:23,768 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 03:21:23,770 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 03:21:23,770 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 03:21:23,770 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 03:21:23,771 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 03:21:23,771 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 03:21:23,771 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 03:21:23,771 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc5ed5fb850d9a2c9d9a14514ffc7939afe81a277edfb59aefd3c5f66024eda8 [2024-11-09 03:21:24,070 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 03:21:24,095 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 03:21:24,099 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 03:21:24,100 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 03:21:24,100 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 03:21:24,101 INFO L431 ainManager$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 [2024-11-09 03:21:25,573 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 03:21:26,076 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 03:21:26,076 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i [2024-11-09 03:21:26,116 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0e7f7f9b/9a317cf7d1d846e68b9e5b6b65e54dec/FLAG027e2e99d [2024-11-09 03:21:26,130 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0e7f7f9b/9a317cf7d1d846e68b9e5b6b65e54dec [2024-11-09 03:21:26,133 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 03:21:26,135 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 03:21:26,139 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 03:21:26,139 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 03:21:26,146 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 03:21:26,147 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:21:26" (1/1) ... [2024-11-09 03:21:26,148 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@172a46ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:21:26, skipping insertion in model container [2024-11-09 03:21:26,150 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:21:26" (1/1) ... [2024-11-09 03:21:26,287 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 03:21:26,589 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] [2024-11-09 03:21:26,598 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] [2024-11-09 03:21:27,331 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:21:27,332 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:21:27,332 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:21:27,333 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:21:27,334 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:21:27,344 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:21:27,345 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:21:27,347 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:21:27,347 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:21:27,893 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:21:27,894 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:21:28,009 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:21:28,067 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 03:21:28,085 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] [2024-11-09 03:21:28,086 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] [2024-11-09 03:21:28,137 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:21:28,139 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:21:28,142 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:21:28,142 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:21:28,143 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:21:28,149 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:21:28,151 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:21:28,152 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:21:28,152 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:21:28,337 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8253] [2024-11-09 03:21:28,339 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:21:28,340 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:21:28,355 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8739-8750] [2024-11-09 03:21:28,387 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:21:28,613 INFO L204 MainTranslator]: Completed translation [2024-11-09 03:21:28,613 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:21:28 WrapperNode [2024-11-09 03:21:28,614 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 03:21:28,615 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 03:21:28,615 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 03:21:28,615 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 03:21:28,622 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:21:28" (1/1) ... [2024-11-09 03:21:28,731 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:21:28" (1/1) ... [2024-11-09 03:21:28,818 INFO L138 Inliner]: procedures = 682, calls = 2778, calls flagged for inlining = 60, calls inlined = 8, statements flattened = 818 [2024-11-09 03:21:28,822 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 03:21:28,823 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 03:21:28,823 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 03:21:28,823 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 03:21:28,834 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:21:28" (1/1) ... [2024-11-09 03:21:28,835 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:21:28" (1/1) ... [2024-11-09 03:21:28,847 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:21:28" (1/1) ... [2024-11-09 03:21:28,924 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]. [2024-11-09 03:21:28,925 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:21:28" (1/1) ... [2024-11-09 03:21:28,925 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:21:28" (1/1) ... [2024-11-09 03:21:28,954 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:21:28" (1/1) ... [2024-11-09 03:21:28,962 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:21:28" (1/1) ... [2024-11-09 03:21:28,976 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:21:28" (1/1) ... [2024-11-09 03:21:28,985 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:21:28" (1/1) ... [2024-11-09 03:21:29,004 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 03:21:29,005 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 03:21:29,005 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 03:21:29,005 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 03:21:29,006 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:21:28" (1/1) ... [2024-11-09 03:21:29,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:21:29,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 03:21:29,042 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 03:21:29,044 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 03:21:29,093 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2024-11-09 03:21:29,094 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2024-11-09 03:21:29,095 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2024-11-09 03:21:29,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2024-11-09 03:21:29,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 03:21:29,095 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-09 03:21:29,095 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-09 03:21:29,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-09 03:21:29,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-09 03:21:29,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-09 03:21:29,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-09 03:21:29,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-09 03:21:29,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-09 03:21:29,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 03:21:29,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 03:21:29,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-09 03:21:29,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-09 03:21:29,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-09 03:21:29,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-09 03:21:29,097 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 03:21:29,098 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 03:21:29,098 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 03:21:29,098 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 03:21:29,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-09 03:21:29,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-09 03:21:29,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-09 03:21:29,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-09 03:21:29,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-09 03:21:29,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-09 03:21:29,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 03:21:29,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 03:21:29,099 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-09 03:21:29,099 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-09 03:21:29,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-09 03:21:29,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-09 03:21:29,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-09 03:21:29,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-09 03:21:29,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-09 03:21:29,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-09 03:21:29,100 INFO L130 BoogieDeclarations]: Found specification of procedure aws_secure_zero [2024-11-09 03:21:29,100 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_secure_zero [2024-11-09 03:21:29,100 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2024-11-09 03:21:29,100 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2024-11-09 03:21:29,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-09 03:21:29,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-09 03:21:29,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-09 03:21:29,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-09 03:21:29,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-09 03:21:29,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-09 03:21:29,101 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-09 03:21:29,102 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-09 03:21:29,102 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-09 03:21:29,102 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-09 03:21:29,102 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-09 03:21:29,102 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-09 03:21:29,103 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_bytes [2024-11-09 03:21:29,103 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_bytes [2024-11-09 03:21:29,103 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 03:21:29,103 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 03:21:29,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-09 03:21:29,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-09 03:21:29,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-09 03:21:29,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-09 03:21:29,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-09 03:21:29,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-09 03:21:29,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-09 03:21:29,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-09 03:21:29,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-09 03:21:29,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-09 03:21:29,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-09 03:21:29,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-09 03:21:29,105 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-09 03:21:29,105 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-09 03:21:29,105 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-09 03:21:29,105 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-09 03:21:29,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 03:21:29,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 03:21:29,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-09 03:21:29,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-09 03:21:29,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-09 03:21:29,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-09 03:21:29,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 03:21:29,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 03:21:29,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 03:21:29,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-09 03:21:29,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-09 03:21:29,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-09 03:21:29,444 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 03:21:29,446 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 03:21:37,823 INFO L? ?]: Removed 86 outVars from TransFormulas that were not future-live. [2024-11-09 03:21:37,823 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 03:21:37,837 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 03:21:37,838 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 03:21:37,838 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:21:37 BoogieIcfgContainer [2024-11-09 03:21:37,838 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 03:21:37,841 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 03:21:37,841 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 03:21:37,844 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 03:21:37,844 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 03:21:26" (1/3) ... [2024-11-09 03:21:37,845 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79a12b1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:21:37, skipping insertion in model container [2024-11-09 03:21:37,845 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:21:28" (2/3) ... [2024-11-09 03:21:37,845 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79a12b1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:21:37, skipping insertion in model container [2024-11-09 03:21:37,845 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:21:37" (3/3) ... [2024-11-09 03:21:37,848 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_string_destroy_secure_harness.i [2024-11-09 03:21:37,864 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 03:21:37,864 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 03:21:37,935 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 03:21:37,945 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;@46d651ec, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 03:21:37,945 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 03:21:37,951 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) [2024-11-09 03:21:37,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-09 03:21:37,961 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:21:37,962 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] [2024-11-09 03:21:37,963 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:21:37,969 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:21:37,969 INFO L85 PathProgramCache]: Analyzing trace with hash 69661278, now seen corresponding path program 1 times [2024-11-09 03:21:37,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:21:37,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152753974] [2024-11-09 03:21:37,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:21:37,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 03:22:53,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:22:58,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:22:58,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:22:59,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:22:59,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:22:59,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 03:22:59,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:22:59,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 03:22:59,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat