./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_harness.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a4daa63ade1fb1a2d170a844889a9f0ec321dcf3b8a50088706c45d113683668 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 17:03:18,814 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 17:03:18,865 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 17:03:18,872 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 17:03:18,876 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 17:03:18,895 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 17:03:18,897 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 17:03:18,897 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 17:03:18,897 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 17:03:18,898 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 17:03:18,898 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 17:03:18,898 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 17:03:18,899 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 17:03:18,899 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 17:03:18,899 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 17:03:18,899 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 17:03:18,899 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 17:03:18,900 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 17:03:18,900 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 17:03:18,900 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 17:03:18,900 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 17:03:18,900 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 17:03:18,900 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 17:03:18,900 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 17:03:18,900 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 17:03:18,900 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 17:03:18,900 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:03:18,900 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:03:18,900 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:03:18,900 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:03:18,901 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 17:03:18,901 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:03:18,901 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:03:18,901 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:03:18,901 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:03:18,901 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 17:03:18,901 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 17:03:18,902 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 17:03:18,902 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 17:03:18,902 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 17:03:18,902 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 17:03:18,902 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 17:03:18,902 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 17:03:18,902 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 17:03:18,902 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 17:03:18,902 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 -> a4daa63ade1fb1a2d170a844889a9f0ec321dcf3b8a50088706c45d113683668 [2025-01-09 17:03:19,094 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 17:03:19,104 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 17:03:19,106 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 17:03:19,107 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 17:03:19,107 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 17:03:19,109 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_harness.i [2025-01-09 17:03:20,303 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/10a6916d8/43a5037201ba4db2a4a95a1a3583dfc6/FLAGcef4105f2 [2025-01-09 17:03:20,751 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 17:03:20,752 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_harness.i [2025-01-09 17:03:20,781 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/10a6916d8/43a5037201ba4db2a4a95a1a3583dfc6/FLAGcef4105f2 [2025-01-09 17:03:20,791 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/10a6916d8/43a5037201ba4db2a4a95a1a3583dfc6 [2025-01-09 17:03:20,793 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 17:03:20,794 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 17:03:20,796 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 17:03:20,796 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 17:03:20,799 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 17:03:20,799 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:03:20" (1/1) ... [2025-01-09 17:03:20,800 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2aadf523 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:03:20, skipping insertion in model container [2025-01-09 17:03:20,800 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:03:20" (1/1) ... [2025-01-09 17:03:20,871 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 17:03:21,020 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.i[4494,4507] [2025-01-09 17:03:21,030 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.i[4554,4567] [2025-01-09 17:03:21,481 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:21,482 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:21,482 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:21,482 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:21,483 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:21,492 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:21,492 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:21,493 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:21,494 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:21,810 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:21,811 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:21,864 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:21,865 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:21,907 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:03:21,991 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 17:03:22,000 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.i[4494,4507] [2025-01-09 17:03:22,001 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.i[4554,4567] [2025-01-09 17:03:22,030 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:22,031 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:22,031 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:22,032 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:22,032 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:22,036 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:22,037 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:22,037 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:22,038 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:22,086 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:22,087 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:22,114 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8315] [2025-01-09 17:03:22,116 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:22,116 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:22,125 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8801-8812] [2025-01-09 17:03:22,134 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:03:22,270 INFO L204 MainTranslator]: Completed translation [2025-01-09 17:03:22,271 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:03:22 WrapperNode [2025-01-09 17:03:22,271 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 17:03:22,272 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 17:03:22,272 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 17:03:22,272 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 17:03:22,276 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:03:22" (1/1) ... [2025-01-09 17:03:22,342 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:03:22" (1/1) ... [2025-01-09 17:03:22,414 INFO L138 Inliner]: procedures = 681, calls = 2619, calls flagged for inlining = 60, calls inlined = 10, statements flattened = 965 [2025-01-09 17:03:22,415 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 17:03:22,415 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 17:03:22,415 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 17:03:22,416 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 17:03:22,423 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:03:22" (1/1) ... [2025-01-09 17:03:22,423 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:03:22" (1/1) ... [2025-01-09 17:03:22,429 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:03:22" (1/1) ... [2025-01-09 17:03:22,495 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2025-01-09 17:03:22,495 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:03:22" (1/1) ... [2025-01-09 17:03:22,496 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:03:22" (1/1) ... [2025-01-09 17:03:22,518 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:03:22" (1/1) ... [2025-01-09 17:03:22,520 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:03:22" (1/1) ... [2025-01-09 17:03:22,523 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:03:22" (1/1) ... [2025-01-09 17:03:22,526 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:03:22" (1/1) ... [2025-01-09 17:03:22,532 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:03:22" (1/1) ... [2025-01-09 17:03:22,544 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 17:03:22,545 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 17:03:22,545 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 17:03:22,545 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 17:03:22,546 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:03:22" (1/1) ... [2025-01-09 17:03:22,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:03:22,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:03:22,572 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 17:03:22,577 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 17:03:22,591 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-01-09 17:03:22,591 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-01-09 17:03:22,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 17:03:22,591 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-01-09 17:03:22,591 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-01-09 17:03:22,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2025-01-09 17:03:22,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-01-09 17:03:22,591 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-01-09 17:03:22,591 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-01-09 17:03:22,591 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-09 17:03:22,591 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-09 17:03:22,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 17:03:22,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 17:03:22,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2025-01-09 17:03:22,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 17:03:22,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 17:03:22,591 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-01-09 17:03:22,592 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-01-09 17:03:22,592 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_realloc [2025-01-09 17:03:22,592 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_realloc [2025-01-09 17:03:22,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2025-01-09 17:03:22,592 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_reserve [2025-01-09 17:03:22,592 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_reserve [2025-01-09 17:03:22,592 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2025-01-09 17:03:22,592 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2025-01-09 17:03:22,592 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 17:03:22,592 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 17:03:22,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 17:03:22,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2025-01-09 17:03:22,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2025-01-09 17:03:22,592 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-01-09 17:03:22,592 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-01-09 17:03:22,592 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-01-09 17:03:22,592 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-01-09 17:03:22,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-01-09 17:03:22,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-01-09 17:03:22,791 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 17:03:22,793 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 17:03:29,905 INFO L? ?]: Removed 117 outVars from TransFormulas that were not future-live. [2025-01-09 17:03:29,906 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 17:03:29,917 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 17:03:29,917 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2025-01-09 17:03:29,917 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:03:29 BoogieIcfgContainer [2025-01-09 17:03:29,917 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 17:03:29,919 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 17:03:29,920 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 17:03:29,923 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 17:03:29,923 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 05:03:20" (1/3) ... [2025-01-09 17:03:29,923 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4141ed1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:03:29, skipping insertion in model container [2025-01-09 17:03:29,923 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:03:22" (2/3) ... [2025-01-09 17:03:29,924 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4141ed1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:03:29, skipping insertion in model container [2025-01-09 17:03:29,924 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:03:29" (3/3) ... [2025-01-09 17:03:29,925 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_reserve_harness.i [2025-01-09 17:03:29,935 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 17:03:29,936 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_reserve_harness.i that has 12 procedures, 153 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2025-01-09 17:03:29,998 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 17:03:30,009 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;@71dd3f9d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 17:03:30,010 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 17:03:30,013 INFO L276 IsEmpty]: Start isEmpty. Operand has 153 states, 104 states have (on average 1.2884615384615385) internal successors, (134), 104 states have internal predecessors, (134), 37 states have call successors, (37), 11 states have call predecessors, (37), 11 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2025-01-09 17:03:30,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2025-01-09 17:03:30,021 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:03:30,022 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] [2025-01-09 17:03:30,022 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:03:30,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:03:30,025 INFO L85 PathProgramCache]: Analyzing trace with hash -2052675930, now seen corresponding path program 1 times [2025-01-09 17:03:30,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:03:30,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056004285] [2025-01-09 17:03:30,035 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:03:30,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:04:35,860 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-01-09 17:04:36,418 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-01-09 17:04:36,419 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:04:36,419 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:04:37,024 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-01-09 17:04:37,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:04:37,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056004285] [2025-01-09 17:04:37,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056004285] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:04:37,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [83408348] [2025-01-09 17:04:37,025 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:04:37,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:04:37,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:04:37,029 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 17:04:37,030 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