./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_secure_zero_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 551b0097 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_secure_zero_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 782fd2cac949c854414786123523f29c509be80549f991a33d6f4fb3fd496f74 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 17:04:39,167 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 17:04:39,220 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 17:04:39,223 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 17:04:39,223 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 17:04:39,243 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 17:04:39,244 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 17:04:39,244 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 17:04:39,245 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 17:04:39,245 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 17:04:39,246 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 17:04:39,246 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 17:04:39,246 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 17:04:39,246 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 17:04:39,246 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 17:04:39,247 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 17:04:39,247 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 17:04:39,247 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 17:04:39,247 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 17:04:39,247 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 17:04:39,247 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 17:04:39,247 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 17:04:39,247 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 17:04:39,247 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 17:04:39,247 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 17:04:39,248 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 17:04:39,248 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:04:39,248 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:04:39,248 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:04:39,248 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:04:39,248 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 17:04:39,248 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:04:39,248 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:04:39,248 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:04:39,248 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:04:39,249 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 17:04:39,249 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 17:04:39,249 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 17:04:39,249 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 17:04:39,249 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 17:04:39,249 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 17:04:39,249 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 17:04:39,249 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 17:04:39,249 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 17:04:39,249 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 17:04:39,249 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 -> 782fd2cac949c854414786123523f29c509be80549f991a33d6f4fb3fd496f74 [2025-01-09 17:04:39,486 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 17:04:39,491 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 17:04:39,493 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 17:04:39,494 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 17:04:39,494 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 17:04:39,495 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_secure_zero_harness.i [2025-01-09 17:04:40,651 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0c84069da/4e9c65ca35714e5ab26ff37003a95f6e/FLAG7a20c33a7 [2025-01-09 17:04:41,059 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 17:04:41,060 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_secure_zero_harness.i [2025-01-09 17:04:41,091 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0c84069da/4e9c65ca35714e5ab26ff37003a95f6e/FLAG7a20c33a7 [2025-01-09 17:04:41,212 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0c84069da/4e9c65ca35714e5ab26ff37003a95f6e [2025-01-09 17:04:41,214 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 17:04:41,215 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 17:04:41,215 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 17:04:41,215 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 17:04:41,218 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 17:04:41,219 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:04:41" (1/1) ... [2025-01-09 17:04:41,219 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cc6498 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:04:41, skipping insertion in model container [2025-01-09 17:04:41,220 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:04:41" (1/1) ... [2025-01-09 17:04:41,293 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 17:04:41,497 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_secure_zero_harness.i[4498,4511] [2025-01-09 17:04:41,505 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_secure_zero_harness.i[4558,4571] [2025-01-09 17:04:42,009 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:42,010 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:42,010 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:42,011 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:42,011 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:42,020 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:42,021 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:42,022 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:42,023 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:42,438 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:42,439 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:42,502 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:04:42,565 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 17:04:42,576 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_secure_zero_harness.i[4498,4511] [2025-01-09 17:04:42,580 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_secure_zero_harness.i[4558,4571] [2025-01-09 17:04:42,610 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:42,611 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:42,611 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:42,611 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:42,612 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:42,620 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:42,621 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:42,622 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:42,622 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:42,731 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8291] [2025-01-09 17:04:42,732 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:42,733 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:42,744 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8777-8788] [2025-01-09 17:04:42,760 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:04:42,905 INFO L204 MainTranslator]: Completed translation [2025-01-09 17:04:42,905 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:04:42 WrapperNode [2025-01-09 17:04:42,906 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 17:04:42,907 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 17:04:42,907 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 17:04:42,907 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 17:04:42,912 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:04:42" (1/1) ... [2025-01-09 17:04:42,976 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:04:42" (1/1) ... [2025-01-09 17:04:43,025 INFO L138 Inliner]: procedures = 680, calls = 2612, calls flagged for inlining = 60, calls inlined = 8, statements flattened = 803 [2025-01-09 17:04:43,026 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 17:04:43,026 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 17:04:43,026 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 17:04:43,026 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 17:04:43,034 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:04:42" (1/1) ... [2025-01-09 17:04:43,034 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:04:42" (1/1) ... [2025-01-09 17:04:43,039 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:04:42" (1/1) ... [2025-01-09 17:04:43,109 INFO L175 MemorySlicer]: Split 527 memory accesses to 5 slices as follows [2, 257, 238, 23, 7]. 49 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 6, 4, 5]. The 493 writes are split as follows [0, 257, 232, 3, 1]. [2025-01-09 17:04:43,109 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:04:42" (1/1) ... [2025-01-09 17:04:43,109 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:04:42" (1/1) ... [2025-01-09 17:04:43,138 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:04:42" (1/1) ... [2025-01-09 17:04:43,142 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:04:42" (1/1) ... [2025-01-09 17:04:43,144 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:04:42" (1/1) ... [2025-01-09 17:04:43,150 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:04:42" (1/1) ... [2025-01-09 17:04:43,152 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:04:42" (1/1) ... [2025-01-09 17:04:43,164 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 17:04:43,165 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 17:04:43,165 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 17:04:43,165 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 17:04:43,166 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:04:42" (1/1) ... [2025-01-09 17:04:43,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:04:43,181 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:04:43,193 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) [2025-01-09 17:04:43,197 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 [2025-01-09 17:04:43,212 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-01-09 17:04:43,212 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-01-09 17:04:43,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 17:04:43,212 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-01-09 17:04:43,213 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-01-09 17:04:43,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-01-09 17:04:43,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-01-09 17:04:43,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-01-09 17:04:43,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-01-09 17:04:43,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-01-09 17:04:43,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 17:04:43,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 17:04:43,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 17:04:43,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 17:04:43,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 17:04:43,214 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-09 17:04:43,215 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-09 17:04:43,215 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_secure_zero [2025-01-09 17:04:43,215 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_secure_zero [2025-01-09 17:04:43,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 17:04:43,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 17:04:43,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-09 17:04:43,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-09 17:04:43,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-01-09 17:04:43,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-01-09 17:04:43,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-01-09 17:04:43,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 17:04:43,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 17:04:43,215 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-01-09 17:04:43,216 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-01-09 17:04:43,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-01-09 17:04:43,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-01-09 17:04:43,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-01-09 17:04:43,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-01-09 17:04:43,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-01-09 17:04:43,216 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 17:04:43,217 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 17:04:43,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 17:04:43,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-09 17:04:43,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-09 17:04:43,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-01-09 17:04:43,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-01-09 17:04:43,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-01-09 17:04:43,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-01-09 17:04:43,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-01-09 17:04:43,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-01-09 17:04:43,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-01-09 17:04:43,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-01-09 17:04:43,217 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-01-09 17:04:43,217 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-01-09 17:04:43,217 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-01-09 17:04:43,217 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-01-09 17:04:43,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 17:04:43,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 17:04:43,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 17:04:43,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 17:04:43,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 17:04:43,217 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2025-01-09 17:04:43,217 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2025-01-09 17:04:43,217 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2025-01-09 17:04:43,217 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2025-01-09 17:04:43,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 17:04:43,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 17:04:43,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 17:04:43,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 17:04:43,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 17:04:43,412 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 17:04:43,413 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 17:04:50,037 INFO L? ?]: Removed 74 outVars from TransFormulas that were not future-live. [2025-01-09 17:04:50,037 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 17:04:50,045 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 17:04:50,046 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-09 17:04:50,046 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:04:50 BoogieIcfgContainer [2025-01-09 17:04:50,046 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 17:04:50,048 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 17:04:50,048 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 17:04:50,051 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 17:04:50,051 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 05:04:41" (1/3) ... [2025-01-09 17:04:50,052 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d0d1727 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:04:50, skipping insertion in model container [2025-01-09 17:04:50,052 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:04:42" (2/3) ... [2025-01-09 17:04:50,052 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d0d1727 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:04:50, skipping insertion in model container [2025-01-09 17:04:50,052 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:04:50" (3/3) ... [2025-01-09 17:04:50,053 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_secure_zero_harness.i [2025-01-09 17:04:50,065 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 17:04:50,066 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_secure_zero_harness.i that has 11 procedures, 102 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 17:04:50,105 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 17:04:50,112 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;@1b3c1bb4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 17:04:50,112 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 17:04:50,114 INFO L276 IsEmpty]: Start isEmpty. Operand has 102 states, 69 states have (on average 1.2173913043478262) internal successors, (84), 70 states have internal predecessors, (84), 21 states have call successors, (21), 10 states have call predecessors, (21), 10 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-01-09 17:04:50,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2025-01-09 17:04:50,120 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:04:50,121 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 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] [2025-01-09 17:04:50,121 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:04:50,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:04:50,126 INFO L85 PathProgramCache]: Analyzing trace with hash 617551382, now seen corresponding path program 1 times [2025-01-09 17:04:50,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:04:50,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566608194] [2025-01-09 17:04:50,132 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:04:50,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:05:56,934 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes. [2025-01-09 17:05:57,404 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements. [2025-01-09 17:05:57,405 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:05:57,405 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:05:58,148 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2025-01-09 17:05:58,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:05:58,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566608194] [2025-01-09 17:05:58,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566608194] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:05:58,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [262695968] [2025-01-09 17:05:58,150 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:05:58,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:05:58,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:05:58,152 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) [2025-01-09 17:05:58,154 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