./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_harness_negated.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_reserve_harness_negated.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 83ea83276c34d99791c615950bc2829f5984dafaf429e7a88fe36009fea1e8b3 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 17:52:36,586 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 17:52:36,622 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-08 17:52:36,630 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 17:52:36,630 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 17:52:36,646 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 17:52:36,647 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 17:52:36,647 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 17:52:36,647 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 17:52:36,647 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 17:52:36,647 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 17:52:36,647 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 17:52:36,648 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 17:52:36,648 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 17:52:36,648 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 17:52:36,648 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 17:52:36,648 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 17:52:36,648 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 17:52:36,651 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 17:52:36,651 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 17:52:36,652 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 17:52:36,652 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 17:52:36,652 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 17:52:36,652 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 17:52:36,652 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 17:52:36,652 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 17:52:36,652 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 17:52:36,652 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 17:52:36,652 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 17:52:36,652 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 17:52:36,652 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 17:52:36,652 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 17:52:36,652 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 17:52:36,652 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 17:52:36,652 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 17:52:36,652 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 17:52:36,652 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 17:52:36,652 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 17:52:36,652 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 17:52:36,652 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 17:52:36,652 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 -> 83ea83276c34d99791c615950bc2829f5984dafaf429e7a88fe36009fea1e8b3 [2025-03-08 17:52:36,882 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 17:52:36,891 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 17:52:36,893 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 17:52:36,894 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 17:52:36,895 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 17:52:36,895 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_harness_negated.i [2025-03-08 17:52:38,074 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d33bc1d9/8f43206ff9f043239d78910ff1c8eafb/FLAG49e9e2338 [2025-03-08 17:52:38,552 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 17:52:38,554 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_harness_negated.i [2025-03-08 17:52:38,578 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d33bc1d9/8f43206ff9f043239d78910ff1c8eafb/FLAG49e9e2338 [2025-03-08 17:52:38,590 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d33bc1d9/8f43206ff9f043239d78910ff1c8eafb [2025-03-08 17:52:38,591 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 17:52:38,592 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 17:52:38,593 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 17:52:38,593 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 17:52:38,596 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 17:52:38,597 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 05:52:38" (1/1) ... [2025-03-08 17:52:38,597 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c403494 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:52:38, skipping insertion in model container [2025-03-08 17:52:38,597 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 05:52:38" (1/1) ... [2025-03-08 17:52:38,666 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 17:52:38,869 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_reserve_harness_negated.i[4494,4507] [2025-03-08 17:52:38,877 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_reserve_harness_negated.i[4554,4567] [2025-03-08 17:52:39,343 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:39,343 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:39,344 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:39,344 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:39,345 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:39,354 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:39,355 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:39,356 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:39,356 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:39,680 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:39,680 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:39,731 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:39,731 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:39,785 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 17:52:39,840 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 17:52:39,853 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_reserve_harness_negated.i[4494,4507] [2025-03-08 17:52:39,853 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_reserve_harness_negated.i[4554,4567] [2025-03-08 17:52:39,888 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:39,889 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:39,889 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:39,889 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:39,889 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:39,895 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:39,899 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:39,899 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:39,899 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:39,956 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:39,956 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:39,990 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8283] [2025-03-08 17:52:39,992 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:39,992 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:40,004 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8769-8780] [2025-03-08 17:52:40,015 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 17:52:40,191 INFO L204 MainTranslator]: Completed translation [2025-03-08 17:52:40,191 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:52:40 WrapperNode [2025-03-08 17:52:40,192 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 17:52:40,193 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 17:52:40,193 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 17:52:40,193 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 17:52:40,197 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:52:40" (1/1) ... [2025-03-08 17:52:40,260 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:52:40" (1/1) ... [2025-03-08 17:52:40,335 INFO L138 Inliner]: procedures = 681, calls = 2620, calls flagged for inlining = 59, calls inlined = 10, statements flattened = 967 [2025-03-08 17:52:40,335 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 17:52:40,336 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 17:52:40,336 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 17:52:40,336 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 17:52:40,342 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:52:40" (1/1) ... [2025-03-08 17:52:40,342 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:52:40" (1/1) ... [2025-03-08 17:52:40,352 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:52:40" (1/1) ... [2025-03-08 17:52:40,391 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2025-03-08 17:52:40,391 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:52:40" (1/1) ... [2025-03-08 17:52:40,392 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:52:40" (1/1) ... [2025-03-08 17:52:40,410 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:52:40" (1/1) ... [2025-03-08 17:52:40,411 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:52:40" (1/1) ... [2025-03-08 17:52:40,414 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:52:40" (1/1) ... [2025-03-08 17:52:40,416 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:52:40" (1/1) ... [2025-03-08 17:52:40,426 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 17:52:40,427 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 17:52:40,427 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 17:52:40,427 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 17:52:40,431 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:52:40" (1/1) ... [2025-03-08 17:52:40,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 17:52:40,447 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 17:52:40,460 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 17:52:40,462 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 17:52:40,478 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-03-08 17:52:40,478 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-03-08 17:52:40,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-08 17:52:40,479 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-08 17:52:40,479 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-08 17:52:40,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2025-03-08 17:52:40,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-03-08 17:52:40,479 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-03-08 17:52:40,479 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-03-08 17:52:40,479 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-08 17:52:40,479 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-08 17:52:40,479 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-08 17:52:40,479 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 17:52:40,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2025-03-08 17:52:40,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 17:52:40,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 17:52:40,479 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-08 17:52:40,479 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-08 17:52:40,479 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_realloc [2025-03-08 17:52:40,479 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_realloc [2025-03-08 17:52:40,479 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2025-03-08 17:52:40,479 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2025-03-08 17:52:40,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2025-03-08 17:52:40,479 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_reserve [2025-03-08 17:52:40,479 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_reserve [2025-03-08 17:52:40,479 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2025-03-08 17:52:40,479 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2025-03-08 17:52:40,480 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 17:52:40,480 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 17:52:40,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-08 17:52:40,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2025-03-08 17:52:40,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2025-03-08 17:52:40,480 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-08 17:52:40,480 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-08 17:52:40,480 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-08 17:52:40,480 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-08 17:52:40,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-03-08 17:52:40,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-08 17:52:40,690 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 17:52:40,692 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 17:52:40,714 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-08 17:52:40,719 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-08 17:52:40,782 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6906: havoc #t~ret566#1;havoc #t~ite568#1.base, #t~ite568#1.offset;havoc #t~realloc~res567#1.base, #t~realloc~res567#1.offset; [2025-03-08 17:52:40,782 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6904: havoc #t~ret565#1.base, #t~ret565#1.offset; [2025-03-08 17:52:40,782 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L268: havoc nondet_voidp_#t~nondet11#1; [2025-03-08 17:52:40,784 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2025-03-08 17:52:40,785 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-08 17:52:40,822 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7391: havoc #t~mem683;havoc #t~mem684;havoc #t~short685;havoc #t~mem686.base, #t~mem686.offset;havoc #t~short687;havoc #t~mem688;havoc #t~mem689;havoc #t~mem690;havoc #t~short691;havoc #t~mem692;havoc #t~mem693.base, #t~mem693.offset;havoc #t~short694;havoc #t~short695;havoc #t~short696;havoc #t~short697; [2025-03-08 17:52:40,912 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8035-2: havoc #t~ret964#1; [2025-03-08 17:52:40,912 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7082: havoc aws_mem_realloc_#t~ret593#1; [2025-03-08 17:52:40,912 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8034-2: havoc #t~ret962#1; [2025-03-08 17:52:47,402 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6594: havoc aws_byte_buf_has_allocator_#t~mem479#1.base, aws_byte_buf_has_allocator_#t~mem479#1.offset;havoc aws_byte_buf_has_allocator_#t~ret478#1.base, aws_byte_buf_has_allocator_#t~ret478#1.offset; [2025-03-08 17:52:47,481 INFO L? ?]: Removed 117 outVars from TransFormulas that were not future-live. [2025-03-08 17:52:47,481 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 17:52:47,488 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 17:52:47,488 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 17:52:47,488 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 05:52:47 BoogieIcfgContainer [2025-03-08 17:52:47,488 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 17:52:47,490 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 17:52:47,490 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 17:52:47,492 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 17:52:47,493 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 05:52:38" (1/3) ... [2025-03-08 17:52:47,493 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c8d717c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 05:52:47, skipping insertion in model container [2025-03-08 17:52:47,493 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:52:40" (2/3) ... [2025-03-08 17:52:47,493 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c8d717c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 05:52:47, skipping insertion in model container [2025-03-08 17:52:47,493 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 05:52:47" (3/3) ... [2025-03-08 17:52:47,494 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_reserve_harness_negated.i [2025-03-08 17:52:47,507 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 17:52:47,509 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_reserve_harness_negated.i that has 13 procedures, 159 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2025-03-08 17:52:47,548 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 17:52:47,559 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;@5a1b2b88, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 17:52:47,559 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 17:52:47,562 INFO L276 IsEmpty]: Start isEmpty. Operand has 159 states, 108 states have (on average 1.2777777777777777) internal successors, (138), 108 states have internal predecessors, (138), 38 states have call successors, (38), 12 states have call predecessors, (38), 12 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2025-03-08 17:52:47,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2025-03-08 17:52:47,568 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 17:52:47,569 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 17:52:47,569 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 17:52:47,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 17:52:47,574 INFO L85 PathProgramCache]: Analyzing trace with hash 1307046159, now seen corresponding path program 1 times [2025-03-08 17:52:47,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 17:52:47,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943832020] [2025-03-08 17:52:47,578 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 17:52:47,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 17:54:09,050 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-03-08 17:54:09,550 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-03-08 17:54:09,550 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 17:54:09,550 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 17:54:10,269 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-03-08 17:54:10,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 17:54:10,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943832020] [2025-03-08 17:54:10,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943832020] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 17:54:10,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1972952545] [2025-03-08 17:54:10,271 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 17:54:10,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 17:54:10,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 17:54:10,274 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 17:54:10,276 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process