./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 48c9605d 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_reserve_harness_negated.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 83ea83276c34d99791c615950bc2829f5984dafaf429e7a88fe36009fea1e8b3 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 01:35:21,157 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 01:35:21,228 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-08 01:35:21,235 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 01:35:21,238 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 01:35:21,262 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 01:35:21,263 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 01:35:21,263 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 01:35:21,263 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 01:35:21,263 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 01:35:21,263 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 01:35:21,263 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 01:35:21,264 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 01:35:21,264 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 01:35:21,264 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 01:35:21,264 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 01:35:21,264 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 01:35:21,264 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 01:35:21,264 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 01:35:21,264 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 01:35:21,264 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 01:35:21,266 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 01:35:21,266 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 01:35:21,266 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 01:35:21,266 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 01:35:21,267 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 01:35:21,267 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 01:35:21,267 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 01:35:21,267 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 01:35:21,267 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:35:21,268 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 01:35:21,268 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 01:35:21,268 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 01:35:21,268 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 01:35:21,268 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 01:35:21,268 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 01:35:21,268 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 01:35:21,268 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 01:35:21,268 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 01:35:21,269 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 01:35:21,269 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 -> 83ea83276c34d99791c615950bc2829f5984dafaf429e7a88fe36009fea1e8b3 [2025-02-08 01:35:21,526 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 01:35:21,533 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 01:35:21,535 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 01:35:21,536 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 01:35:21,536 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 01:35:21,537 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_harness_negated.i [2025-02-08 01:35:23,541 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d65692b09/74fa60db615c48ee8cfcd0a732c6addf/FLAG6cd6cbeb9 [2025-02-08 01:35:24,116 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 01:35:24,116 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_harness_negated.i [2025-02-08 01:35:24,161 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d65692b09/74fa60db615c48ee8cfcd0a732c6addf/FLAG6cd6cbeb9 [2025-02-08 01:35:24,174 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d65692b09/74fa60db615c48ee8cfcd0a732c6addf [2025-02-08 01:35:24,175 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 01:35:24,177 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 01:35:24,177 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 01:35:24,178 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 01:35:24,181 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 01:35:24,181 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:35:24" (1/1) ... [2025-02-08 01:35:24,182 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d9b6499 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:24, skipping insertion in model container [2025-02-08 01:35:24,182 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:35:24" (1/1) ... [2025-02-08 01:35:24,246 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 01:35:24,479 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_reserve_harness_negated.i[4494,4507] [2025-02-08 01:35:24,487 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_reserve_harness_negated.i[4554,4567] [2025-02-08 01:35:25,021 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:25,022 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:25,022 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:25,022 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:25,023 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:25,043 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:25,043 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:25,045 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:25,045 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:25,464 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:25,464 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:25,542 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:25,543 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:25,620 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:35:25,679 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 01:35:25,696 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_reserve_harness_negated.i[4494,4507] [2025-02-08 01:35:25,696 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_reserve_harness_negated.i[4554,4567] [2025-02-08 01:35:25,749 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:25,750 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:25,750 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:25,750 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:25,751 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:25,762 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:25,767 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:25,768 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:25,768 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:25,881 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:25,882 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:25,922 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8283] [2025-02-08 01:35:25,925 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:25,925 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:25,940 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8769-8780] [2025-02-08 01:35:25,957 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:35:26,199 INFO L204 MainTranslator]: Completed translation [2025-02-08 01:35:26,199 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:26 WrapperNode [2025-02-08 01:35:26,201 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 01:35:26,201 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 01:35:26,202 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 01:35:26,202 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 01:35:26,208 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:26" (1/1) ... [2025-02-08 01:35:26,274 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:26" (1/1) ... [2025-02-08 01:35:26,369 INFO L138 Inliner]: procedures = 681, calls = 2620, calls flagged for inlining = 59, calls inlined = 10, statements flattened = 967 [2025-02-08 01:35:26,370 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 01:35:26,371 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 01:35:26,371 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 01:35:26,371 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 01:35:26,380 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:26" (1/1) ... [2025-02-08 01:35:26,381 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:26" (1/1) ... [2025-02-08 01:35:26,391 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:26" (1/1) ... [2025-02-08 01:35:26,453 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2025-02-08 01:35:26,453 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:26" (1/1) ... [2025-02-08 01:35:26,454 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:26" (1/1) ... [2025-02-08 01:35:26,496 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:26" (1/1) ... [2025-02-08 01:35:26,499 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:26" (1/1) ... [2025-02-08 01:35:26,508 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:26" (1/1) ... [2025-02-08 01:35:26,510 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:26" (1/1) ... [2025-02-08 01:35:26,524 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 01:35:26,528 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 01:35:26,528 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 01:35:26,528 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 01:35:26,529 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:26" (1/1) ... [2025-02-08 01:35:26,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:35:26,549 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:35:26,563 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) [2025-02-08 01:35:26,566 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 [2025-02-08 01:35:26,587 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-02-08 01:35:26,589 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-02-08 01:35:26,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 01:35:26,589 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-08 01:35:26,589 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-08 01:35:26,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2025-02-08 01:35:26,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-02-08 01:35:26,590 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-02-08 01:35:26,590 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-02-08 01:35:26,590 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 01:35:26,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 01:35:26,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-08 01:35:26,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 01:35:26,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2025-02-08 01:35:26,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 01:35:26,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 01:35:26,590 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-08 01:35:26,590 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-08 01:35:26,591 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_realloc [2025-02-08 01:35:26,591 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_realloc [2025-02-08 01:35:26,591 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2025-02-08 01:35:26,591 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2025-02-08 01:35:26,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2025-02-08 01:35:26,591 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_reserve [2025-02-08 01:35:26,591 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_reserve [2025-02-08 01:35:26,591 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2025-02-08 01:35:26,591 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2025-02-08 01:35:26,591 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-08 01:35:26,591 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-08 01:35:26,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 01:35:26,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2025-02-08 01:35:26,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2025-02-08 01:35:26,592 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-08 01:35:26,594 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-08 01:35:26,594 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-02-08 01:35:26,594 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-02-08 01:35:26,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-02-08 01:35:26,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-02-08 01:35:26,865 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 01:35:26,866 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 01:35:26,908 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2025-02-08 01:35:26,917 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-08 01:35:26,983 INFO L1324 $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; [2025-02-08 01:35:26,983 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6904: havoc #t~ret565#1.base, #t~ret565#1.offset; [2025-02-08 01:35:26,983 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L268: havoc nondet_voidp_#t~nondet11#1;#t~ret565#1.base, #t~ret565#1.offset := nondet_voidp_#res#1.base, nondet_voidp_#res#1.offset;havoc nondet_voidp_#t~nondet11#1;assume { :end_inline_nondet_voidp } true;#res#1.base, #res#1.offset := #t~ret565#1.base, #t~ret565#1.offset;havoc #t~ret565#1.base, #t~ret565#1.offset; [2025-02-08 01:35:26,985 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2025-02-08 01:35:26,987 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-02-08 01:35:27,044 INFO L1324 $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; [2025-02-08 01:35:27,146 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L8035-2: havoc #t~ret964#1; [2025-02-08 01:35:27,147 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7082: havoc aws_mem_realloc_#t~ret593#1; [2025-02-08 01:35:27,147 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L8034-2: havoc #t~ret962#1; [2025-02-08 01:35:34,569 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L8983: havoc aws_byte_buf_reserve_harness_#t~ret1232#1; [2025-02-08 01:35:34,570 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L8983-1: SUMMARY for call __VERIFIER_assert((if 0 == (if 0 == aws_byte_buf_reserve_harness_#t~ret1232#1 % 256 then 1 else 0) then 0 else 1)); srcloc: null [2025-02-08 01:35:34,570 INFO L1324 $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;aws_byte_buf_reserve_harness_#t~ret1232#1 := aws_byte_buf_has_allocator_#res#1;havoc aws_byte_buf_has_allocator_#t~mem479#1.base, aws_byte_buf_has_allocator_#t~mem479#1.offset, aws_byte_buf_has_allocator_#t~ret478#1.base, aws_byte_buf_has_allocator_#t~ret478#1.offset, aws_byte_buf_has_allocator_~buf#1.base, aws_byte_buf_has_allocator_~buf#1.offset;havoc aws_byte_buf_has_allocator_#in~buf#1.base, aws_byte_buf_has_allocator_#in~buf#1.offset;assume { :end_inline_aws_byte_buf_has_allocator } true; [2025-02-08 01:35:34,812 INFO L? ?]: Removed 112 outVars from TransFormulas that were not future-live. [2025-02-08 01:35:34,813 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 01:35:34,828 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 01:35:34,829 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 01:35:34,830 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:35:34 BoogieIcfgContainer [2025-02-08 01:35:34,830 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 01:35:34,833 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 01:35:34,833 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 01:35:34,837 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 01:35:34,837 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 01:35:24" (1/3) ... [2025-02-08 01:35:34,838 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52e23fa6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:35:34, skipping insertion in model container [2025-02-08 01:35:34,838 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:26" (2/3) ... [2025-02-08 01:35:34,838 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52e23fa6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:35:34, skipping insertion in model container [2025-02-08 01:35:34,838 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:35:34" (3/3) ... [2025-02-08 01:35:34,839 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_reserve_harness_negated.i [2025-02-08 01:35:34,854 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 01:35:34,856 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_reserve_harness_negated.i that has 13 procedures, 153 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2025-02-08 01:35:34,909 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 01:35:34,921 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;@c47d895, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 01:35:34,921 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-08 01:35:34,928 INFO L276 IsEmpty]: Start isEmpty. Operand has 153 states, 98 states have (on average 1.316326530612245) internal successors, (129), 103 states have internal predecessors, (129), 37 states have call successors, (37), 12 states have call predecessors, (37), 12 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2025-02-08 01:35:34,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2025-02-08 01:35:34,939 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:35:34,939 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] [2025-02-08 01:35:34,940 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:35:34,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:35:34,945 INFO L85 PathProgramCache]: Analyzing trace with hash 1674629155, now seen corresponding path program 1 times [2025-02-08 01:35:34,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:35:34,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894171945] [2025-02-08 01:35:34,952 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:35:34,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:37:00,670 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-02-08 01:37:01,373 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-02-08 01:37:01,374 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:37:01,374 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:37:02,316 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-02-08 01:37:02,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:37:02,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894171945] [2025-02-08 01:37:02,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894171945] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:37:02,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2049229741] [2025-02-08 01:37:02,318 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:37:02,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:37:02,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:37:02,321 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) [2025-02-08 01:37:02,323 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