./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 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/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())) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '64bit', '--witnessprinter.graph.data.programhash', 'bc5ed5fb850d9a2c9d9a14514ffc7939afe81a277edfb59aefd3c5f66024eda8'] Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 0.3.0-?-4f9af40 [2024-11-07 12:03:20,995 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 12:03:21,086 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-07 12:03:21,095 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 12:03:21,096 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 12:03:21,117 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 12:03:21,119 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 12:03:21,120 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 12:03:21,120 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 12:03:21,120 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 12:03:21,120 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 12:03:21,120 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 12:03:21,120 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 12:03:21,120 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 12:03:21,120 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 12:03:21,121 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 12:03:21,121 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 12:03:21,121 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 12:03:21,121 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 12:03:21,121 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 12:03:21,121 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 12:03:21,121 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 12:03:21,121 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 12:03:21,121 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 12:03:21,121 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 12:03:21,121 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 12:03:21,121 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 12:03:21,122 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 12:03:21,122 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 12:03:21,122 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 12:03:21,122 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 12:03:21,122 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 12:03:21,122 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 12:03:21,125 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 12:03:21,125 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 12:03:21,125 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 12:03:21,125 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 12:03:21,125 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 12:03:21,126 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 12:03:21,126 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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-jdk21/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 [2024-11-07 12:03:21,427 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 12:03:21,437 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 12:03:21,441 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 12:03:21,442 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 12:03:21,443 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 12:03:21,445 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i [2024-11-07 12:03:22,823 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 12:03:23,462 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 12:03:23,463 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i [2024-11-07 12:03:23,515 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f7c7437ba/4f97e18febbf44a4bd7b1f40fbbe8ab5/FLAG96103e765 [2024-11-07 12:03:23,534 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f7c7437ba/4f97e18febbf44a4bd7b1f40fbbe8ab5 [2024-11-07 12:03:23,537 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 12:03:23,538 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 12:03:23,540 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 12:03:23,540 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 12:03:23,544 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 12:03:23,544 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:03:23" (1/1) ... [2024-11-07 12:03:23,545 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71ce41e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:03:23, skipping insertion in model container [2024-11-07 12:03:23,545 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:03:23" (1/1) ... [2024-11-07 12:03:23,633 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 12:03:23,889 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i[4499,4512] [2024-11-07 12:03:23,898 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i[4559,4572] [2024-11-07 12:03:24,544 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:24,545 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:24,545 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:24,546 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:24,547 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:24,558 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:24,558 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:24,560 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:24,560 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:25,041 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:25,041 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:25,120 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 12:03:25,184 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 12:03:25,201 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i[4499,4512] [2024-11-07 12:03:25,202 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i[4559,4572] [2024-11-07 12:03:25,253 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:25,257 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:25,257 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:25,258 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:25,258 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:25,264 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:25,264 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:25,265 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:25,267 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:25,423 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8253] [2024-11-07 12:03:25,425 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:25,425 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:25,438 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8739-8750] [2024-11-07 12:03:25,474 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 12:03:25,712 INFO L204 MainTranslator]: Completed translation [2024-11-07 12:03:25,712 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:03:25 WrapperNode [2024-11-07 12:03:25,713 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 12:03:25,713 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 12:03:25,713 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 12:03:25,713 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 12:03:25,718 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:03:25" (1/1) ... [2024-11-07 12:03:25,824 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:03:25" (1/1) ... [2024-11-07 12:03:25,907 INFO L138 Inliner]: procedures = 682, calls = 2778, calls flagged for inlining = 60, calls inlined = 8, statements flattened = 818 [2024-11-07 12:03:25,908 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 12:03:25,908 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 12:03:25,909 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 12:03:25,909 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 12:03:25,917 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:03:25" (1/1) ... [2024-11-07 12:03:25,918 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:03:25" (1/1) ... [2024-11-07 12:03:25,926 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:03:25" (1/1) ... [2024-11-07 12:03:26,000 INFO L175 MemorySlicer]: Split 531 memory accesses to 6 slices as follows [2, 12, 6, 257, 238, 16]. 48 percent of accesses are in the largest equivalence class. The 29 initializations are split as follows [2, 0, 5, 0, 6, 16]. The 493 writes are split as follows [0, 4, 0, 257, 232, 0]. [2024-11-07 12:03:26,003 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:03:25" (1/1) ... [2024-11-07 12:03:26,003 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:03:25" (1/1) ... [2024-11-07 12:03:26,048 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:03:25" (1/1) ... [2024-11-07 12:03:26,053 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:03:25" (1/1) ... [2024-11-07 12:03:26,063 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:03:25" (1/1) ... [2024-11-07 12:03:26,076 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:03:25" (1/1) ... [2024-11-07 12:03:26,098 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 12:03:26,099 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 12:03:26,099 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 12:03:26,099 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 12:03:26,100 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:03:25" (1/1) ... [2024-11-07 12:03:26,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 12:03:26,130 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 12:03:26,145 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-07 12:03:26,170 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-07 12:03:26,190 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2024-11-07 12:03:26,190 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2024-11-07 12:03:26,190 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2024-11-07 12:03:26,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2024-11-07 12:03:26,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 12:03:26,191 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-07 12:03:26,192 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-07 12:03:26,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-07 12:03:26,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-07 12:03:26,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-07 12:03:26,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-07 12:03:26,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-07 12:03:26,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-07 12:03:26,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 12:03:26,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 12:03:26,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-07 12:03:26,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-07 12:03:26,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-07 12:03:26,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-07 12:03:26,193 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-07 12:03:26,193 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-07 12:03:26,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 12:03:26,194 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 12:03:26,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-07 12:03:26,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-07 12:03:26,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-07 12:03:26,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-07 12:03:26,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-07 12:03:26,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-07 12:03:26,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 12:03:26,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 12:03:26,194 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-07 12:03:26,194 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-07 12:03:26,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-07 12:03:26,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-07 12:03:26,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-07 12:03:26,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-07 12:03:26,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-07 12:03:26,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-07 12:03:26,196 INFO L130 BoogieDeclarations]: Found specification of procedure aws_secure_zero [2024-11-07 12:03:26,196 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_secure_zero [2024-11-07 12:03:26,196 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2024-11-07 12:03:26,196 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2024-11-07 12:03:26,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-07 12:03:26,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-07 12:03:26,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-07 12:03:26,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-07 12:03:26,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-07 12:03:26,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-07 12:03:26,196 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-07 12:03:26,196 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-07 12:03:26,196 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-07 12:03:26,196 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-07 12:03:26,196 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-07 12:03:26,196 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-07 12:03:26,196 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_bytes [2024-11-07 12:03:26,196 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_bytes [2024-11-07 12:03:26,196 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 12:03:26,196 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 12:03:26,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-07 12:03:26,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-07 12:03:26,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-07 12:03:26,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-07 12:03:26,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-07 12:03:26,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-07 12:03:26,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-07 12:03:26,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-07 12:03:26,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-07 12:03:26,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-07 12:03:26,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-07 12:03:26,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-07 12:03:26,197 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-07 12:03:26,197 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-07 12:03:26,197 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-07 12:03:26,197 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-07 12:03:26,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 12:03:26,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 12:03:26,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-07 12:03:26,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-07 12:03:26,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-07 12:03:26,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-07 12:03:26,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 12:03:26,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 12:03:26,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-07 12:03:26,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-07 12:03:26,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-07 12:03:26,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-07 12:03:26,523 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 12:03:26,525 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 12:03:34,822 INFO L? ?]: Removed 86 outVars from TransFormulas that were not future-live. [2024-11-07 12:03:34,822 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 12:03:34,833 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 12:03:34,833 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-07 12:03:34,834 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:03:34 BoogieIcfgContainer [2024-11-07 12:03:34,834 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 12:03:34,838 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 12:03:34,838 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 12:03:34,843 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 12:03:34,844 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:03:23" (1/3) ... [2024-11-07 12:03:34,845 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ef11feb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:03:34, skipping insertion in model container [2024-11-07 12:03:34,845 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:03:25" (2/3) ... [2024-11-07 12:03:34,845 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ef11feb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:03:34, skipping insertion in model container [2024-11-07 12:03:34,845 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:03:34" (3/3) ... [2024-11-07 12:03:34,846 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_string_destroy_secure_harness.i [2024-11-07 12:03:34,862 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 12:03:34,863 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 12:03:34,920 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 12:03:34,935 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;@3b690805, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 12:03:34,938 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 12:03:34,943 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) [2024-11-07 12:03:34,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-07 12:03:34,952 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 12:03:34,953 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] [2024-11-07 12:03:34,955 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 12:03:34,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 12:03:34,961 INFO L85 PathProgramCache]: Analyzing trace with hash 69661278, now seen corresponding path program 1 times [2024-11-07 12:03:34,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 12:03:34,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059416535] [2024-11-07 12:03:34,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:03:34,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 12:04:48,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:04:54,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 12:04:54,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:04:55,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 12:04:55,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:04:55,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 12:04:55,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:04:55,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 12:04:55,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:04:56,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 12:04:56,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:04:56,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 12:04:56,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:04:56,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 12:04:56,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:04:56,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 12:04:56,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:04:56,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 12:04:56,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:04:56,421 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-07 12:04:56,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 12:04:56,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059416535] [2024-11-07 12:04:56,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059416535] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 12:04:56,423 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 12:04:56,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-07 12:04:56,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397148214] [2024-11-07 12:04:56,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 12:04:56,430 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-07 12:04:56,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 12:04:56,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-07 12:04:56,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2024-11-07 12:04:56,454 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)