./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 c00e63dc 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-?-c00e63d-m [2025-02-06 04:58:25,065 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 04:58:25,130 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-06 04:58:25,134 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 04:58:25,135 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 04:58:25,154 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 04:58:25,154 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 04:58:25,155 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 04:58:25,155 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 04:58:25,155 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 04:58:25,155 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 04:58:25,155 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 04:58:25,156 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 04:58:25,156 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 04:58:25,156 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 04:58:25,156 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 04:58:25,156 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 04:58:25,156 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 04:58:25,156 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 04:58:25,157 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 04:58:25,157 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 04:58:25,157 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 04:58:25,157 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 04:58:25,157 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 04:58:25,157 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 04:58:25,157 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 04:58:25,157 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 04:58:25,158 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 04:58:25,158 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 04:58:25,158 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 04:58:25,158 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 04:58:25,158 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 04:58:25,158 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 04:58:25,158 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 04:58:25,159 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 04:58:25,159 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 04:58:25,159 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 04:58:25,159 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 04:58:25,159 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 04:58:25,159 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 04:58:25,159 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 [2025-02-06 04:58:25,435 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 04:58:25,443 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 04:58:25,446 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 04:58:25,447 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 04:58:25,447 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 04:58:25,449 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_harness_negated.i [2025-02-06 04:58:26,742 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9d2e94e88/c2c63c96b07140488ad7d1cc52d675c0/FLAG5f55949bd [2025-02-06 04:58:27,249 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 04:58:27,249 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_harness_negated.i [2025-02-06 04:58:27,290 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9d2e94e88/c2c63c96b07140488ad7d1cc52d675c0/FLAG5f55949bd [2025-02-06 04:58:27,314 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9d2e94e88/c2c63c96b07140488ad7d1cc52d675c0 [2025-02-06 04:58:27,316 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 04:58:27,318 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 04:58:27,319 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 04:58:27,319 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 04:58:27,323 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 04:58:27,323 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 04:58:27" (1/1) ... [2025-02-06 04:58:27,326 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@568ad55c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:58:27, skipping insertion in model container [2025-02-06 04:58:27,326 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 04:58:27" (1/1) ... [2025-02-06 04:58:27,421 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 04:58:27,691 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] [2025-02-06 04:58:27,701 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] [2025-02-06 04:58:28,353 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:28,354 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:28,355 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:28,355 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:28,356 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:28,368 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:28,369 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:28,370 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:28,371 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:28,787 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:28,787 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:28,852 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:28,853 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:28,921 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 04:58:29,007 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 04:58:29,019 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] [2025-02-06 04:58:29,023 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] [2025-02-06 04:58:29,076 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:29,078 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:29,078 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:29,079 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:29,079 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:29,088 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:29,093 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:29,094 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:29,094 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:29,179 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:29,179 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:29,220 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8283] [2025-02-06 04:58:29,222 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:29,223 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:29,237 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8769-8780] [2025-02-06 04:58:29,258 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 04:58:29,445 INFO L204 MainTranslator]: Completed translation [2025-02-06 04:58:29,445 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:58:29 WrapperNode [2025-02-06 04:58:29,446 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 04:58:29,447 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 04:58:29,447 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 04:58:29,447 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 04:58:29,451 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:58:29" (1/1) ... [2025-02-06 04:58:29,519 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:58:29" (1/1) ... [2025-02-06 04:58:29,605 INFO L138 Inliner]: procedures = 681, calls = 2620, calls flagged for inlining = 59, calls inlined = 10, statements flattened = 967 [2025-02-06 04:58:29,606 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 04:58:29,607 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 04:58:29,607 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 04:58:29,607 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 04:58:29,615 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:58:29" (1/1) ... [2025-02-06 04:58:29,616 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:58:29" (1/1) ... [2025-02-06 04:58:29,623 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:58:29" (1/1) ... [2025-02-06 04:58:29,691 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2025-02-06 04:58:29,691 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:58:29" (1/1) ... [2025-02-06 04:58:29,692 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:58:29" (1/1) ... [2025-02-06 04:58:29,737 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:58:29" (1/1) ... [2025-02-06 04:58:29,739 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:58:29" (1/1) ... [2025-02-06 04:58:29,746 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:58:29" (1/1) ... [2025-02-06 04:58:29,754 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:58:29" (1/1) ... [2025-02-06 04:58:29,765 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 04:58:29,767 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 04:58:29,767 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 04:58:29,767 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 04:58:29,768 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:58:29" (1/1) ... [2025-02-06 04:58:29,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 04:58:29,784 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 04:58:29,802 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) [2025-02-06 04:58:29,805 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 [2025-02-06 04:58:29,826 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-02-06 04:58:29,827 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-02-06 04:58:29,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 04:58:29,827 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-06 04:58:29,827 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-06 04:58:29,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2025-02-06 04:58:29,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-02-06 04:58:29,828 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-02-06 04:58:29,828 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-02-06 04:58:29,828 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-06 04:58:29,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-06 04:58:29,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 04:58:29,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 04:58:29,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2025-02-06 04:58:29,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 04:58:29,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 04:58:29,829 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-06 04:58:29,829 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-06 04:58:29,829 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_realloc [2025-02-06 04:58:29,829 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_realloc [2025-02-06 04:58:29,829 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2025-02-06 04:58:29,829 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2025-02-06 04:58:29,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2025-02-06 04:58:29,830 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_reserve [2025-02-06 04:58:29,830 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_reserve [2025-02-06 04:58:29,831 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2025-02-06 04:58:29,831 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2025-02-06 04:58:29,831 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 04:58:29,831 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 04:58:29,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 04:58:29,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2025-02-06 04:58:29,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2025-02-06 04:58:29,831 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-06 04:58:29,831 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-06 04:58:29,831 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-02-06 04:58:29,831 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-02-06 04:58:29,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-02-06 04:58:29,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-02-06 04:58:30,097 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 04:58:30,099 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 04:58:30,137 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2025-02-06 04:58:30,148 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-06 04:58:30,232 INFO L1309 $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; [2025-02-06 04:58:30,232 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6904: havoc #t~ret565#1.base, #t~ret565#1.offset; [2025-02-06 04:58:30,232 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L268: havoc nondet_voidp_#t~nondet11#1; [2025-02-06 04:58:30,234 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2025-02-06 04:58:30,237 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-02-06 04:58:30,296 INFO L1309 $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; [2025-02-06 04:58:30,421 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L8034-2: havoc #t~ret962#1; [2025-02-06 04:58:30,421 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L8035-2: havoc #t~ret964#1; [2025-02-06 04:58:30,421 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7082: havoc aws_mem_realloc_#t~ret593#1; [2025-02-06 04:58:37,708 INFO L1309 $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; [2025-02-06 04:58:37,798 INFO L? ?]: Removed 117 outVars from TransFormulas that were not future-live. [2025-02-06 04:58:37,798 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 04:58:37,812 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 04:58:37,813 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 04:58:37,813 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 04:58:37 BoogieIcfgContainer [2025-02-06 04:58:37,813 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 04:58:37,816 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 04:58:37,816 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 04:58:37,820 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 04:58:37,820 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 04:58:27" (1/3) ... [2025-02-06 04:58:37,821 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2317a9d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 04:58:37, skipping insertion in model container [2025-02-06 04:58:37,821 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:58:29" (2/3) ... [2025-02-06 04:58:37,821 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2317a9d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 04:58:37, skipping insertion in model container [2025-02-06 04:58:37,823 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 04:58:37" (3/3) ... [2025-02-06 04:58:37,824 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_reserve_harness_negated.i [2025-02-06 04:58:37,838 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 04:58:37,840 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_reserve_harness_negated.i that has 13 procedures, 160 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2025-02-06 04:58:37,897 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 04:58:37,909 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;@1c45f02e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 04:58:37,909 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-06 04:58:37,913 INFO L276 IsEmpty]: Start isEmpty. Operand has 160 states, 108 states have (on average 1.287037037037037) internal successors, (139), 109 states have internal predecessors, (139), 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) [2025-02-06 04:58:37,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2025-02-06 04:58:37,922 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 04:58:37,923 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] [2025-02-06 04:58:37,923 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 04:58:37,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 04:58:37,928 INFO L85 PathProgramCache]: Analyzing trace with hash -1324774413, now seen corresponding path program 1 times [2025-02-06 04:58:37,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 04:58:37,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867693161] [2025-02-06 04:58:37,934 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 04:58:37,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 04:59:43,346 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-02-06 04:59:44,139 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-02-06 04:59:44,140 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 04:59:44,140 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 04:59:45,167 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-02-06 04:59:45,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 04:59:45,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867693161] [2025-02-06 04:59:45,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867693161] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 04:59:45,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [761076094] [2025-02-06 04:59:45,169 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 04:59:45,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 04:59:45,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 04:59:45,173 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) [2025-02-06 04:59:45,175 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