./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 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f90f5c7a-212c-48a6-b537-a556da6c2d12/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f90f5c7a-212c-48a6-b537-a556da6c2d12/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f90f5c7a-212c-48a6-b537-a556da6c2d12/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f90f5c7a-212c-48a6-b537-a556da6c2d12/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_secure_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f90f5c7a-212c-48a6-b537-a556da6c2d12/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f90f5c7a-212c-48a6-b537-a556da6c2d12/bin/uautomizer-verify-4GaUIPS5ZU --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 0.2.5-dev-4fc63b2 [2024-10-31 21:59:18,023 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 21:59:18,117 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f90f5c7a-212c-48a6-b537-a556da6c2d12/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-31 21:59:18,126 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 21:59:18,127 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 21:59:18,164 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 21:59:18,165 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 21:59:18,165 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 21:59:18,166 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 21:59:18,167 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 21:59:18,168 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 21:59:18,168 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 21:59:18,169 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 21:59:18,171 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 21:59:18,172 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 21:59:18,172 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 21:59:18,172 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 21:59:18,173 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 21:59:18,173 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 21:59:18,178 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 21:59:18,178 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 21:59:18,179 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 21:59:18,179 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 21:59:18,180 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 21:59:18,180 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 21:59:18,180 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 21:59:18,181 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 21:59:18,181 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 21:59:18,181 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 21:59:18,181 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 21:59:18,182 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 21:59:18,182 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 21:59:18,182 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 21:59:18,182 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 21:59:18,183 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 21:59:18,186 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 21:59:18,187 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 21:59:18,188 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 21:59:18,188 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 21:59:18,189 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f90f5c7a-212c-48a6-b537-a556da6c2d12/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f90f5c7a-212c-48a6-b537-a556da6c2d12/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee87a50cadbe7f10c8f1c265f4107449c896fee4805223b18eafcf84379da0a0 [2024-10-31 21:59:18,511 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 21:59:18,543 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 21:59:18,546 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 21:59:18,548 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 21:59:18,548 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 21:59:18,550 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f90f5c7a-212c-48a6-b537-a556da6c2d12/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_secure_harness.i Unable to find full path for "g++" [2024-10-31 21:59:20,851 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 21:59:21,497 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 21:59:21,499 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f90f5c7a-212c-48a6-b537-a556da6c2d12/sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_secure_harness.i [2024-10-31 21:59:21,550 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f90f5c7a-212c-48a6-b537-a556da6c2d12/bin/uautomizer-verify-4GaUIPS5ZU/data/27d39cc92/4e6c2e2567db4d4c9dd923d741891a24/FLAG085667ed2 [2024-10-31 21:59:21,934 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f90f5c7a-212c-48a6-b537-a556da6c2d12/bin/uautomizer-verify-4GaUIPS5ZU/data/27d39cc92/4e6c2e2567db4d4c9dd923d741891a24 [2024-10-31 21:59:21,937 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 21:59:21,939 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 21:59:21,941 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 21:59:21,941 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 21:59:21,948 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 21:59:21,949 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:59:21" (1/1) ... [2024-10-31 21:59:21,953 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@626f1048 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:21, skipping insertion in model container [2024-10-31 21:59:21,953 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:59:21" (1/1) ... [2024-10-31 21:59:22,078 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 21:59:22,452 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f90f5c7a-212c-48a6-b537-a556da6c2d12/sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_secure_harness.i[4502,4515] [2024-10-31 21:59:22,462 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f90f5c7a-212c-48a6-b537-a556da6c2d12/sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_secure_harness.i[4562,4575] [2024-10-31 21:59:23,987 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:59:23,989 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:59:23,990 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:59:23,991 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:59:23,993 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:59:24,012 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:59:24,014 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:59:24,016 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:59:24,017 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:59:24,866 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:59:24,866 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:59:24,949 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:59:25,034 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 21:59:25,052 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f90f5c7a-212c-48a6-b537-a556da6c2d12/sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_secure_harness.i[4502,4515] [2024-10-31 21:59:25,055 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f90f5c7a-212c-48a6-b537-a556da6c2d12/sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_secure_harness.i[4562,4575] [2024-10-31 21:59:25,116 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:59:25,119 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:59:25,119 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:59:25,120 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:59:25,124 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:59:25,134 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:59:25,138 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:59:25,139 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:59:25,142 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:59:25,304 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8073] [2024-10-31 21:59:25,306 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:59:25,307 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:59:25,328 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8559-8570] [2024-10-31 21:59:25,353 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:59:25,753 INFO L204 MainTranslator]: Completed translation [2024-10-31 21:59:25,755 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:25 WrapperNode [2024-10-31 21:59:25,755 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 21:59:25,756 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 21:59:25,756 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 21:59:25,757 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 21:59:25,766 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:25" (1/1) ... [2024-10-31 21:59:25,874 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:25" (1/1) ... [2024-10-31 21:59:25,966 INFO L138 Inliner]: procedures = 680, calls = 2502, calls flagged for inlining = 56, calls inlined = 8, statements flattened = 823 [2024-10-31 21:59:25,967 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 21:59:25,968 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 21:59:25,968 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 21:59:25,968 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 21:59:25,985 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:25" (1/1) ... [2024-10-31 21:59:25,985 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:25" (1/1) ... [2024-10-31 21:59:26,006 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:25" (1/1) ... [2024-10-31 21:59:26,097 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]. [2024-10-31 21:59:26,098 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:25" (1/1) ... [2024-10-31 21:59:26,099 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:25" (1/1) ... [2024-10-31 21:59:26,134 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:25" (1/1) ... [2024-10-31 21:59:26,141 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:25" (1/1) ... [2024-10-31 21:59:26,154 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:25" (1/1) ... [2024-10-31 21:59:26,166 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:25" (1/1) ... [2024-10-31 21:59:26,183 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 21:59:26,187 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 21:59:26,188 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 21:59:26,188 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 21:59:26,189 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:25" (1/1) ... [2024-10-31 21:59:26,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 21:59:26,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f90f5c7a-212c-48a6-b537-a556da6c2d12/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:26,228 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f90f5c7a-212c-48a6-b537-a556da6c2d12/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:26,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f90f5c7a-212c-48a6-b537-a556da6c2d12/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 21:59:26,268 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-10-31 21:59:26,269 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-10-31 21:59:26,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 21:59:26,270 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-10-31 21:59:26,270 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-10-31 21:59:26,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-10-31 21:59:26,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-10-31 21:59:26,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-10-31 21:59:26,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-10-31 21:59:26,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-10-31 21:59:26,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-31 21:59:26,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-31 21:59:26,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-31 21:59:26,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-31 21:59:26,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-31 21:59:26,274 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-31 21:59:26,274 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-31 21:59:26,275 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_secure_zero [2024-10-31 21:59:26,275 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_secure_zero [2024-10-31 21:59:26,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-31 21:59:26,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 21:59:26,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-31 21:59:26,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-31 21:59:26,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-31 21:59:26,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-31 21:59:26,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-31 21:59:26,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 21:59:26,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 21:59:26,277 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-10-31 21:59:26,277 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-10-31 21:59:26,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-10-31 21:59:26,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-10-31 21:59:26,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-10-31 21:59:26,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-10-31 21:59:26,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-10-31 21:59:26,279 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2024-10-31 21:59:26,279 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2024-10-31 21:59:26,279 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 21:59:26,280 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 21:59:26,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 21:59:26,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-31 21:59:26,281 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-31 21:59:26,281 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-31 21:59:26,281 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-31 21:59:26,281 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-31 21:59:26,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-31 21:59:26,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-31 21:59:26,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-31 21:59:26,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-31 21:59:26,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-31 21:59:26,283 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-10-31 21:59:26,284 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-10-31 21:59:26,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-31 21:59:26,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-31 21:59:26,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-31 21:59:26,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-31 21:59:26,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-31 21:59:26,285 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2024-10-31 21:59:26,285 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2024-10-31 21:59:26,286 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2024-10-31 21:59:26,286 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2024-10-31 21:59:26,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 21:59:26,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-31 21:59:26,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-31 21:59:26,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-31 21:59:26,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-31 21:59:26,652 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 21:59:26,655 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 21:59:36,558 INFO L? ?]: Removed 72 outVars from TransFormulas that were not future-live. [2024-10-31 21:59:36,558 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 21:59:36,578 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 21:59:36,579 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 21:59:36,579 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:59:36 BoogieIcfgContainer [2024-10-31 21:59:36,579 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 21:59:36,582 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 21:59:36,582 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 21:59:36,586 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 21:59:36,586 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 09:59:21" (1/3) ... [2024-10-31 21:59:36,587 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8605641 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 09:59:36, skipping insertion in model container [2024-10-31 21:59:36,587 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:25" (2/3) ... [2024-10-31 21:59:36,588 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8605641 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 09:59:36, skipping insertion in model container [2024-10-31 21:59:36,588 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:59:36" (3/3) ... [2024-10-31 21:59:36,591 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_clean_up_secure_harness.i [2024-10-31 21:59:36,610 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 21:59:36,611 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 21:59:36,704 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 21:59:36,712 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;@70d8126, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 21:59:36,713 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 21:59:36,718 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) [2024-10-31 21:59:36,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-10-31 21:59:36,734 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:59:36,735 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] [2024-10-31 21:59:36,736 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 21:59:36,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:36,741 INFO L85 PathProgramCache]: Analyzing trace with hash -2095082959, now seen corresponding path program 1 times [2024-10-31 21:59:36,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:36,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627919361] [2024-10-31 21:59:36,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:36,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms