./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness_negated.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 159e2e7d83d3b6b4cf1f3ed2869e7b3577187883e3957f87f67106f5f6570745 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 17:52:48,971 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 17:52:49,022 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-08 17:52:49,027 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 17:52:49,027 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 17:52:49,045 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 17:52:49,045 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 17:52:49,046 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 17:52:49,046 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 17:52:49,046 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 17:52:49,047 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 17:52:49,047 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 17:52:49,047 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 17:52:49,047 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 17:52:49,048 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 17:52:49,048 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 17:52:49,048 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 17:52:49,048 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 17:52:49,048 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 17:52:49,048 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 17:52:49,048 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 17:52:49,048 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 17:52:49,048 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 17:52:49,048 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 17:52:49,049 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 17:52:49,049 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 17:52:49,049 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 17:52:49,049 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 17:52:49,049 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 17:52:49,049 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 17:52:49,049 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 17:52:49,049 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 17:52:49,049 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 17:52:49,049 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 17:52:49,050 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 17:52:49,050 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 17:52:49,050 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 17:52:49,050 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 17:52:49,050 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 17:52:49,050 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 17:52:49,050 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 159e2e7d83d3b6b4cf1f3ed2869e7b3577187883e3957f87f67106f5f6570745 [2025-03-08 17:52:49,238 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 17:52:49,246 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 17:52:49,247 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 17:52:49,248 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 17:52:49,249 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 17:52:49,250 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness_negated.i [2025-03-08 17:52:50,356 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9261a1ef/0ab28e9c3c3c45df916f98262520915e/FLAGeb9b42edb [2025-03-08 17:52:50,785 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 17:52:50,786 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness_negated.i [2025-03-08 17:52:50,814 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9261a1ef/0ab28e9c3c3c45df916f98262520915e/FLAGeb9b42edb [2025-03-08 17:52:50,928 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9261a1ef/0ab28e9c3c3c45df916f98262520915e [2025-03-08 17:52:50,930 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 17:52:50,931 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 17:52:50,932 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 17:52:50,932 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 17:52:50,935 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 17:52:50,936 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 05:52:50" (1/1) ... [2025-03-08 17:52:50,936 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@474b80d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:52:50, skipping insertion in model container [2025-03-08 17:52:50,937 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 05:52:50" (1/1) ... [2025-03-08 17:52:51,000 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 17:52:51,177 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness_negated.i[4503,4516] [2025-03-08 17:52:51,184 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness_negated.i[4563,4576] [2025-03-08 17:52:51,808 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:51,809 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:51,809 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:51,810 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:51,810 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:51,819 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:51,819 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:51,820 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:51,821 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:52,188 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:52,188 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:52,271 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:52,272 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:52,343 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 17:52:52,417 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 17:52:52,433 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness_negated.i[4503,4516] [2025-03-08 17:52:52,433 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness_negated.i[4563,4576] [2025-03-08 17:52:52,474 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:52,474 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:52,475 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:52,475 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:52,475 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:52,479 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:52,480 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:52,480 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:52,481 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:52,536 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:52,536 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:52,567 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8085] [2025-03-08 17:52:52,568 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:52,568 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:52,579 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8571-8582] [2025-03-08 17:52:52,591 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 17:52:52,746 INFO L204 MainTranslator]: Completed translation [2025-03-08 17:52:52,747 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:52:52 WrapperNode [2025-03-08 17:52:52,748 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 17:52:52,749 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 17:52:52,749 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 17:52:52,749 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 17:52:52,753 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:52:52" (1/1) ... [2025-03-08 17:52:52,820 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:52:52" (1/1) ... [2025-03-08 17:52:52,873 INFO L138 Inliner]: procedures = 681, calls = 2499, calls flagged for inlining = 58, calls inlined = 13, statements flattened = 1020 [2025-03-08 17:52:52,874 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 17:52:52,874 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 17:52:52,874 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 17:52:52,874 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 17:52:52,882 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:52:52" (1/1) ... [2025-03-08 17:52:52,882 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:52:52" (1/1) ... [2025-03-08 17:52:52,887 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:52:52" (1/1) ... [2025-03-08 17:52:52,944 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2025-03-08 17:52:52,945 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:52:52" (1/1) ... [2025-03-08 17:52:52,945 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:52:52" (1/1) ... [2025-03-08 17:52:52,979 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:52:52" (1/1) ... [2025-03-08 17:52:52,984 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:52:52" (1/1) ... [2025-03-08 17:52:52,991 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:52:52" (1/1) ... [2025-03-08 17:52:52,996 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:52:52" (1/1) ... [2025-03-08 17:52:53,001 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 17:52:53,002 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 17:52:53,002 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 17:52:53,002 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 17:52:53,003 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:52:52" (1/1) ... [2025-03-08 17:52:53,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 17:52:53,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 17:52:53,028 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-08 17:52:53,030 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-08 17:52:53,045 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-03-08 17:52:53,046 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-03-08 17:52:53,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-08 17:52:53,046 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-08 17:52:53,046 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-08 17:52:53,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2025-03-08 17:52:53,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-03-08 17:52:53,046 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-03-08 17:52:53,046 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-03-08 17:52:53,046 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-08 17:52:53,046 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-08 17:52:53,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-08 17:52:53,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 17:52:53,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2025-03-08 17:52:53,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 17:52:53,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 17:52:53,047 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-08 17:52:53,047 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-08 17:52:53,047 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_realloc [2025-03-08 17:52:53,047 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_realloc [2025-03-08 17:52:53,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2025-03-08 17:52:53,047 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2025-03-08 17:52:53,047 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2025-03-08 17:52:53,047 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 17:52:53,047 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 17:52:53,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-08 17:52:53,047 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-03-08 17:52:53,047 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-03-08 17:52:53,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2025-03-08 17:52:53,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2025-03-08 17:52:53,048 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-08 17:52:53,048 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-08 17:52:53,048 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-03-08 17:52:53,048 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-03-08 17:52:53,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-03-08 17:52:53,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-08 17:52:53,238 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 17:52:53,239 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 17:52:53,264 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6868: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-08 17:52:53,304 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7193: havoc #t~mem622;havoc #t~mem623;havoc #t~short624;havoc #t~mem625.base, #t~mem625.offset;havoc #t~short626;havoc #t~mem627;havoc #t~mem628;havoc #t~mem629;havoc #t~short630;havoc #t~mem631;havoc #t~mem632.base, #t~mem632.offset;havoc #t~short633;havoc #t~short634;havoc #t~short635;havoc #t~short636; [2025-03-08 17:52:53,309 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-08 17:52:53,347 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6898: havoc #t~ret565#1.base, #t~ret565#1.offset; [2025-03-08 17:52:53,347 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6900: havoc #t~ret566#1;havoc #t~ite568#1.base, #t~ite568#1.offset;havoc #t~realloc~res567#1.base, #t~realloc~res567#1.offset; [2025-03-08 17:52:53,347 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L268: havoc nondet_voidp_#t~nondet11#1; [2025-03-08 17:52:53,358 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2617: havoc #t~ret59#1; [2025-03-08 17:52:59,993 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7856-2: havoc aws_byte_buf_reserve_relative_#t~ret912#1; [2025-03-08 17:52:59,993 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7865: havoc aws_byte_buf_reserve_relative_#t~mem918#1;havoc aws_byte_buf_reserve_relative_#t~ret919#1;call ULTIMATE.dealloc(aws_byte_buf_reserve_relative_~#requested_capacity~0#1.base, aws_byte_buf_reserve_relative_~#requested_capacity~0#1.offset);havoc aws_byte_buf_reserve_relative_~#requested_capacity~0#1.base, aws_byte_buf_reserve_relative_~#requested_capacity~0#1.offset; [2025-03-08 17:52:59,993 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7857-2: havoc aws_byte_buf_reserve_relative_#t~ret914#1; [2025-03-08 17:52:59,993 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6594: havoc aws_byte_buf_has_allocator_#t~mem479#1.base, aws_byte_buf_has_allocator_#t~mem479#1.offset;havoc aws_byte_buf_has_allocator_#t~ret478#1.base, aws_byte_buf_has_allocator_#t~ret478#1.offset; [2025-03-08 17:52:59,994 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-03-08 17:52:59,994 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7076: havoc aws_mem_realloc_#t~ret593#1; [2025-03-08 17:52:59,994 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7836-2: havoc aws_byte_buf_reserve_#t~ret901#1; [2025-03-08 17:52:59,994 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7837-2: havoc aws_byte_buf_reserve_#t~ret903#1; [2025-03-08 17:53:00,100 INFO L? ?]: Removed 127 outVars from TransFormulas that were not future-live. [2025-03-08 17:53:00,100 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 17:53:00,111 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 17:53:00,114 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 17:53:00,114 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 05:53:00 BoogieIcfgContainer [2025-03-08 17:53:00,115 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 17:53:00,117 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 17:53:00,117 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 17:53:00,120 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 17:53:00,120 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 05:52:50" (1/3) ... [2025-03-08 17:53:00,121 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79298f63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 05:53:00, skipping insertion in model container [2025-03-08 17:53:00,121 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:52:52" (2/3) ... [2025-03-08 17:53:00,121 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79298f63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 05:53:00, skipping insertion in model container [2025-03-08 17:53:00,122 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 05:53:00" (3/3) ... [2025-03-08 17:53:00,123 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_reserve_relative_harness_negated.i [2025-03-08 17:53:00,134 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 17:53:00,135 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_reserve_relative_harness_negated.i that has 12 procedures, 162 locations, 1 initial locations, 4 loop locations, and 1 error locations. [2025-03-08 17:53:00,176 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 17:53:00,188 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;@54a9a11c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 17:53:00,189 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 17:53:00,192 INFO L276 IsEmpty]: Start isEmpty. Operand has 162 states, 113 states have (on average 1.3097345132743363) internal successors, (148), 112 states have internal predecessors, (148), 38 states have call successors, (38), 11 states have call predecessors, (38), 11 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2025-03-08 17:53:00,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2025-03-08 17:53:00,200 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 17:53:00,201 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 17:53:00,202 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 17:53:00,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 17:53:00,205 INFO L85 PathProgramCache]: Analyzing trace with hash -1176558587, now seen corresponding path program 1 times [2025-03-08 17:53:00,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 17:53:00,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173085844] [2025-03-08 17:53:00,211 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 17:53:00,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 17:54:22,360 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-03-08 17:54:22,844 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-03-08 17:54:22,845 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 17:54:22,845 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 17:54:23,533 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-08 17:54:23,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 17:54:23,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173085844] [2025-03-08 17:54:23,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173085844] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 17:54:23,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [760973683] [2025-03-08 17:54:23,535 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 17:54:23,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 17:54:23,535 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 17:54:23,537 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 17:54:23,539 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process