./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_init_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_byte_buf_init_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash faa65859e31290f7e8032666f55af3608361dac3b397b8750b8c31e227a4d695 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 17:52:32,010 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 17:52:32,061 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-08 17:52:32,066 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 17:52:32,066 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 17:52:32,086 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 17:52:32,087 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 17:52:32,087 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 17:52:32,087 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 17:52:32,088 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 17:52:32,088 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 17:52:32,088 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 17:52:32,089 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 17:52:32,089 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 17:52:32,089 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 17:52:32,089 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 17:52:32,089 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 17:52:32,089 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 17:52:32,090 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 17:52:32,090 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 17:52:32,090 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 17:52:32,090 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 17:52:32,090 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 17:52:32,090 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 17:52:32,090 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 17:52:32,090 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 17:52:32,090 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 17:52:32,090 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 17:52:32,090 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 17:52:32,090 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 17:52:32,091 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 17:52:32,091 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 17:52:32,091 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 17:52:32,091 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 17:52:32,091 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 17:52:32,091 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 17:52:32,092 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 17:52:32,092 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 17:52:32,092 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 17:52:32,092 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 17:52:32,092 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/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 -> faa65859e31290f7e8032666f55af3608361dac3b397b8750b8c31e227a4d695 [2025-03-08 17:52:32,290 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 17:52:32,297 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 17:52:32,299 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 17:52:32,299 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 17:52:32,299 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 17:52:32,300 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_init_harness.i [2025-03-08 17:52:33,406 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8065e2a3/e0191ad44e7e4645b6032020ebde4781/FLAGb26a2e041 [2025-03-08 17:52:33,787 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 17:52:33,789 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_init_harness.i [2025-03-08 17:52:33,816 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8065e2a3/e0191ad44e7e4645b6032020ebde4781/FLAGb26a2e041 [2025-03-08 17:52:33,827 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8065e2a3/e0191ad44e7e4645b6032020ebde4781 [2025-03-08 17:52:33,828 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 17:52:33,829 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 17:52:33,830 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 17:52:33,830 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 17:52:33,833 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 17:52:33,833 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 05:52:33" (1/1) ... [2025-03-08 17:52:33,833 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33adbfb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:52:33, skipping insertion in model container [2025-03-08 17:52:33,834 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 05:52:33" (1/1) ... [2025-03-08 17:52:33,886 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 17:52:34,049 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_init_harness.i[4491,4504] [2025-03-08 17:52:34,057 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_init_harness.i[4551,4564] [2025-03-08 17:52:34,467 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:34,469 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:34,469 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:34,470 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:34,470 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:34,479 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:34,480 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:34,481 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:34,481 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:34,821 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:34,822 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:34,862 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 17:52:34,921 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 17:52:34,934 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_init_harness.i[4491,4504] [2025-03-08 17:52:34,935 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_init_harness.i[4551,4564] [2025-03-08 17:52:34,965 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:34,966 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:34,966 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:34,967 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:34,968 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:34,974 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:34,975 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:34,975 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:34,976 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:35,067 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8051] [2025-03-08 17:52:35,069 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:35,069 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:35,081 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8537-8548] [2025-03-08 17:52:35,092 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 17:52:35,247 INFO L204 MainTranslator]: Completed translation [2025-03-08 17:52:35,248 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:52:35 WrapperNode [2025-03-08 17:52:35,248 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 17:52:35,249 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 17:52:35,249 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 17:52:35,249 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 17:52:35,253 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:52:35" (1/1) ... [2025-03-08 17:52:35,295 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:52:35" (1/1) ... [2025-03-08 17:52:35,351 INFO L138 Inliner]: procedures = 679, calls = 2495, calls flagged for inlining = 55, calls inlined = 6, statements flattened = 790 [2025-03-08 17:52:35,352 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 17:52:35,352 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 17:52:35,352 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 17:52:35,352 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 17:52:35,359 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:52:35" (1/1) ... [2025-03-08 17:52:35,360 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:52:35" (1/1) ... [2025-03-08 17:52:35,365 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:52:35" (1/1) ... [2025-03-08 17:52:35,428 INFO L175 MemorySlicer]: Split 522 memory accesses to 5 slices as follows [2, 257, 238, 5, 20]. 49 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 6, 5, 4]. The 493 writes are split as follows [0, 257, 232, 0, 4]. [2025-03-08 17:52:35,428 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:52:35" (1/1) ... [2025-03-08 17:52:35,428 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:52:35" (1/1) ... [2025-03-08 17:52:35,460 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:52:35" (1/1) ... [2025-03-08 17:52:35,465 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:52:35" (1/1) ... [2025-03-08 17:52:35,468 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:52:35" (1/1) ... [2025-03-08 17:52:35,474 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:52:35" (1/1) ... [2025-03-08 17:52:35,480 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 17:52:35,481 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 17:52:35,481 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 17:52:35,481 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 17:52:35,482 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:52:35" (1/1) ... [2025-03-08 17:52:35,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 17:52:35,495 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 17:52:35,509 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-08 17:52:35,511 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-08 17:52:35,532 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-03-08 17:52:35,533 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-03-08 17:52:35,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-08 17:52:35,533 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-08 17:52:35,533 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-08 17:52:35,534 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2025-03-08 17:52:35,534 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2025-03-08 17:52:35,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-08 17:52:35,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-08 17:52:35,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-08 17:52:35,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-08 17:52:35,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-08 17:52:35,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-08 17:52:35,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-08 17:52:35,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-08 17:52:35,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-08 17:52:35,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-08 17:52:35,535 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-03-08 17:52:35,535 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-03-08 17:52:35,535 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-08 17:52:35,535 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-08 17:52:35,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-08 17:52:35,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 17:52:35,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-08 17:52:35,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-08 17:52:35,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-08 17:52:35,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-08 17:52:35,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-08 17:52:35,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 17:52:35,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 17:52:35,536 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-08 17:52:35,536 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-08 17:52:35,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-08 17:52:35,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-08 17:52:35,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-08 17:52:35,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-08 17:52:35,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-08 17:52:35,537 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2025-03-08 17:52:35,538 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2025-03-08 17:52:35,538 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 17:52:35,538 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 17:52:35,538 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2025-03-08 17:52:35,538 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2025-03-08 17:52:35,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-08 17:52:35,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-08 17:52:35,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-08 17:52:35,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-08 17:52:35,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-08 17:52:35,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-08 17:52:35,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-08 17:52:35,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-08 17:52:35,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-08 17:52:35,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-08 17:52:35,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-08 17:52:35,539 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-08 17:52:35,539 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-08 17:52:35,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-08 17:52:35,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-08 17:52:35,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-08 17:52:35,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-08 17:52:35,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-08 17:52:35,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 17:52:35,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-08 17:52:35,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-08 17:52:35,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-08 17:52:35,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-08 17:52:35,765 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 17:52:35,766 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 17:52:35,793 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6880: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-08 17:52:35,818 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6894: havoc #t~ret561;havoc #t~ite563.base, #t~ite563.offset;havoc #t~ret562.base, #t~ret562.offset; [2025-03-08 17:52:35,863 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7159: havoc #t~mem617;havoc #t~mem618;havoc #t~short619;havoc #t~mem620.base, #t~mem620.offset;havoc #t~short621;havoc #t~mem622;havoc #t~mem623;havoc #t~mem624;havoc #t~short625;havoc #t~mem626;havoc #t~mem627.base, #t~mem627.offset;havoc #t~short628;havoc #t~short629;havoc #t~short630;havoc #t~short631; [2025-03-08 17:52:35,879 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-08 17:52:35,885 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6919: havoc #t~ret569.base, #t~ret569.offset; [2025-03-08 17:52:42,332 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-03-08 17:52:42,352 INFO L? ?]: Removed 53 outVars from TransFormulas that were not future-live. [2025-03-08 17:52:42,352 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 17:52:42,359 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 17:52:42,359 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 17:52:42,359 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 05:52:42 BoogieIcfgContainer [2025-03-08 17:52:42,359 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 17:52:42,361 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 17:52:42,361 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 17:52:42,364 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 17:52:42,365 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 05:52:33" (1/3) ... [2025-03-08 17:52:42,365 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48b6fab5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 05:52:42, skipping insertion in model container [2025-03-08 17:52:42,365 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:52:35" (2/3) ... [2025-03-08 17:52:42,365 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48b6fab5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 05:52:42, skipping insertion in model container [2025-03-08 17:52:42,366 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 05:52:42" (3/3) ... [2025-03-08 17:52:42,366 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_init_harness.i [2025-03-08 17:52:42,376 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 17:52:42,377 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_init_harness.i that has 11 procedures, 100 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-03-08 17:52:42,409 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 17:52:42,419 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;@5177c4d2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 17:52:42,419 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 17:52:42,422 INFO L276 IsEmpty]: Start isEmpty. Operand has 100 states, 68 states have (on average 1.2352941176470589) internal successors, (84), 69 states have internal predecessors, (84), 20 states have call successors, (20), 10 states have call predecessors, (20), 10 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-03-08 17:52:42,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2025-03-08 17:52:42,428 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 17:52:42,428 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 17:52:42,428 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 17:52:42,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 17:52:42,433 INFO L85 PathProgramCache]: Analyzing trace with hash -1913275732, now seen corresponding path program 1 times [2025-03-08 17:52:42,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 17:52:42,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474125409] [2025-03-08 17:52:42,439 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 17:52:42,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 17:53:47,793 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-03-08 17:53:48,247 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-03-08 17:53:48,247 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 17:53:48,247 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 17:53:48,908 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-08 17:53:48,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 17:53:48,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474125409] [2025-03-08 17:53:48,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474125409] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 17:53:48,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1043418543] [2025-03-08 17:53:48,910 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 17:53:48,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 17:53:48,910 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 17:53:48,912 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 17:53:48,914 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process