./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_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_byte_buf_clean_up_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', 'ee87a50cadbe7f10c8f1c265f4107449c896fee4805223b18eafcf84379da0a0'] 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_byte_buf_clean_up_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 ee87a50cadbe7f10c8f1c265f4107449c896fee4805223b18eafcf84379da0a0 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 11:42:55,407 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 11:42:55,490 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-07 11:42:55,494 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 11:42:55,495 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 11:42:55,510 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 11:42:55,510 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 11:42:55,510 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 11:42:55,511 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 11:42:55,511 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 11:42:55,512 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 11:42:55,512 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 11:42:55,512 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 11:42:55,512 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 11:42:55,512 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 11:42:55,512 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 11:42:55,513 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 11:42:55,513 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 11:42:55,513 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 11:42:55,513 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 11:42:55,513 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 11:42:55,513 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 11:42:55,513 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 11:42:55,513 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 11:42:55,513 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 11:42:55,513 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 11:42:55,513 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 11:42:55,513 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 11:42:55,513 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 11:42:55,513 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 11:42:55,513 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 11:42:55,513 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 11:42:55,513 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 11:42:55,513 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 11:42:55,513 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 11:42:55,514 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 11:42:55,514 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 11:42:55,514 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 11:42:55,514 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 11:42:55,514 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 -> ee87a50cadbe7f10c8f1c265f4107449c896fee4805223b18eafcf84379da0a0 [2024-11-07 11:42:55,743 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 11:42:55,753 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 11:42:55,754 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 11:42:55,755 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 11:42:55,755 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 11:42:55,756 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_secure_harness.i [2024-11-07 11:42:56,862 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 11:42:57,329 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 11:42:57,331 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_secure_harness.i [2024-11-07 11:42:57,360 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1d442707a/48b516f58c074ea189087f12fb3fdcb4/FLAG5be039762 [2024-11-07 11:42:57,442 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1d442707a/48b516f58c074ea189087f12fb3fdcb4 [2024-11-07 11:42:57,444 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 11:42:57,445 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 11:42:57,447 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 11:42:57,447 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 11:42:57,450 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 11:42:57,451 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:42:57" (1/1) ... [2024-11-07 11:42:57,452 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67901394 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:42:57, skipping insertion in model container [2024-11-07 11:42:57,452 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:42:57" (1/1) ... [2024-11-07 11:42:57,514 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 11:42:57,678 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_byte_buf_clean_up_secure_harness.i[4502,4515] [2024-11-07 11:42:57,686 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_byte_buf_clean_up_secure_harness.i[4562,4575] [2024-11-07 11:42:58,106 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:58,107 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:58,111 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:58,112 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:58,112 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:58,127 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:58,128 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:58,131 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:58,131 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:58,528 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:58,529 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:58,578 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 11:42:58,630 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 11:42:58,643 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_byte_buf_clean_up_secure_harness.i[4502,4515] [2024-11-07 11:42:58,644 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_byte_buf_clean_up_secure_harness.i[4562,4575] [2024-11-07 11:42:58,682 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:58,682 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:58,683 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:58,684 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:58,684 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:58,689 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:58,690 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:58,691 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:58,691 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:58,829 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8073] [2024-11-07 11:42:58,831 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:58,831 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:58,841 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8559-8570] [2024-11-07 11:42:58,855 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 11:42:59,003 INFO L204 MainTranslator]: Completed translation [2024-11-07 11:42:59,004 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:42:59 WrapperNode [2024-11-07 11:42:59,004 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 11:42:59,009 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 11:42:59,009 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 11:42:59,009 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 11:42:59,018 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:42:59" (1/1) ... [2024-11-07 11:42:59,107 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:42:59" (1/1) ... [2024-11-07 11:42:59,172 INFO L138 Inliner]: procedures = 680, calls = 2502, calls flagged for inlining = 56, calls inlined = 8, statements flattened = 823 [2024-11-07 11:42:59,176 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 11:42:59,177 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 11:42:59,177 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 11:42:59,177 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 11:42:59,185 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:42:59" (1/1) ... [2024-11-07 11:42:59,185 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:42:59" (1/1) ... [2024-11-07 11:42:59,190 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:42:59" (1/1) ... [2024-11-07 11:42:59,242 INFO L175 MemorySlicer]: Split 536 memory accesses to 5 slices as follows [2, 257, 32, 238, 7]. 48 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 4, 6, 5]. The 497 writes are split as follows [0, 257, 7, 232, 1]. [2024-11-07 11:42:59,242 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:42:59" (1/1) ... [2024-11-07 11:42:59,242 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:42:59" (1/1) ... [2024-11-07 11:42:59,276 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:42:59" (1/1) ... [2024-11-07 11:42:59,278 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:42:59" (1/1) ... [2024-11-07 11:42:59,282 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:42:59" (1/1) ... [2024-11-07 11:42:59,284 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:42:59" (1/1) ... [2024-11-07 11:42:59,289 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 11:42:59,290 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 11:42:59,290 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 11:42:59,290 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 11:42:59,291 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:42:59" (1/1) ... [2024-11-07 11:42:59,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 11:42:59,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 11:42:59,320 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 11:42:59,322 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 11:42:59,338 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-07 11:42:59,338 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-07 11:42:59,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 11:42:59,339 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-07 11:42:59,339 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-07 11:42:59,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-07 11:42:59,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-07 11:42:59,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-07 11:42:59,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-07 11:42:59,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-07 11:42:59,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 11:42:59,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 11:42:59,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-07 11:42:59,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-07 11:42:59,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-07 11:42:59,340 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-07 11:42:59,340 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-07 11:42:59,340 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_secure_zero [2024-11-07 11:42:59,340 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_secure_zero [2024-11-07 11:42:59,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 11:42:59,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 11:42:59,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-07 11:42:59,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-07 11:42:59,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-07 11:42:59,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-07 11:42:59,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-07 11:42:59,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 11:42:59,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 11:42:59,341 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-07 11:42:59,341 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-07 11:42:59,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-07 11:42:59,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-07 11:42:59,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-07 11:42:59,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-07 11:42:59,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-07 11:42:59,342 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2024-11-07 11:42:59,342 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2024-11-07 11:42:59,342 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 11:42:59,343 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 11:42:59,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 11:42:59,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-07 11:42:59,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-07 11:42:59,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-07 11:42:59,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-07 11:42:59,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-07 11:42:59,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-07 11:42:59,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-07 11:42:59,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-07 11:42:59,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-07 11:42:59,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-07 11:42:59,343 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-07 11:42:59,343 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-07 11:42:59,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 11:42:59,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 11:42:59,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-07 11:42:59,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-07 11:42:59,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-07 11:42:59,343 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2024-11-07 11:42:59,343 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2024-11-07 11:42:59,343 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2024-11-07 11:42:59,343 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2024-11-07 11:42:59,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 11:42:59,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 11:42:59,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-07 11:42:59,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-07 11:42:59,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-07 11:42:59,574 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 11:42:59,576 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 11:43:06,703 INFO L? ?]: Removed 72 outVars from TransFormulas that were not future-live. [2024-11-07 11:43:06,704 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 11:43:06,716 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 11:43:06,717 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 11:43:06,717 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:43:06 BoogieIcfgContainer [2024-11-07 11:43:06,717 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 11:43:06,719 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 11:43:06,719 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 11:43:06,725 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 11:43:06,725 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 11:42:57" (1/3) ... [2024-11-07 11:43:06,725 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60f8b415 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:43:06, skipping insertion in model container [2024-11-07 11:43:06,726 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:42:59" (2/3) ... [2024-11-07 11:43:06,726 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60f8b415 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:43:06, skipping insertion in model container [2024-11-07 11:43:06,726 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:43:06" (3/3) ... [2024-11-07 11:43:06,727 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_clean_up_secure_harness.i [2024-11-07 11:43:06,737 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 11:43:06,737 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 11:43:06,772 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 11:43:06,780 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;@39edc11c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 11:43:06,780 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 11:43:06,784 INFO L276 IsEmpty]: Start isEmpty. Operand has 120 states, 80 states have (on average 1.225) internal successors, (98), 81 states have internal predecessors, (98), 28 states have call successors, (28), 10 states have call predecessors, (28), 10 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-07 11:43:06,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-07 11:43:06,790 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 11:43:06,791 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 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 11:43:06,792 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 11:43:06,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:43:06,795 INFO L85 PathProgramCache]: Analyzing trace with hash -2095082959, now seen corresponding path program 1 times [2024-11-07 11:43:06,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:43:06,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144613044] [2024-11-07 11:43:06,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:43:06,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 11:44:13,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:44:15,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 11:44:15,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:44:15,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-07 11:44:15,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:44:15,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-07 11:44:15,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:44:15,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 11:44:15,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:44:15,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 11:44:15,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:44:16,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 11:44:16,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:44:16,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-07 11:44:16,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:44:16,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 11:44:16,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:44:16,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 11:44:16,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:44:16,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 11:44:16,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:44:16,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 11:44:16,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:44:16,149 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-07 11:44:16,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 11:44:16,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144613044] [2024-11-07 11:44:16,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2144613044] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 11:44:16,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1152349690] [2024-11-07 11:44:16,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:44:16,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 11:44:16,152 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 11:44:16,155 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 11:44:16,162 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process