./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_init_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_init_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 faa65859e31290f7e8032666f55af3608361dac3b397b8750b8c31e227a4d695 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 17:03:00,290 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 17:03:00,351 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 17:03:00,357 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 17:03:00,357 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 17:03:00,380 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 17:03:00,381 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 17:03:00,381 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 17:03:00,381 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 17:03:00,381 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 17:03:00,381 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 17:03:00,381 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 17:03:00,382 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 17:03:00,382 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 17:03:00,382 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 17:03:00,382 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 17:03:00,383 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 17:03:00,383 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 17:03:00,383 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 17:03:00,383 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 17:03:00,383 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 17:03:00,383 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 17:03:00,383 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 17:03:00,384 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 17:03:00,384 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 17:03:00,384 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 17:03:00,384 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:03:00,384 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:03:00,384 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:03:00,384 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:03:00,384 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 17:03:00,384 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:03:00,384 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:03:00,385 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:03:00,385 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:03:00,385 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 17:03:00,385 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 17:03:00,385 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 17:03:00,385 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 17:03:00,385 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 17:03:00,385 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 17:03:00,385 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 17:03:00,385 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 17:03:00,386 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 17:03:00,386 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 17:03:00,386 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 -> faa65859e31290f7e8032666f55af3608361dac3b397b8750b8c31e227a4d695 [2025-01-09 17:03:00,606 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 17:03:00,616 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 17:03:00,617 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 17:03:00,619 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 17:03:00,620 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 17:03:00,621 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_init_harness.i [2025-01-09 17:03:01,813 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8d1b11c37/4043ad405dc5458482090d1b75c053c8/FLAGb9f7c24c5 [2025-01-09 17:03:02,254 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 17:03:02,255 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_init_harness.i [2025-01-09 17:03:02,288 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8d1b11c37/4043ad405dc5458482090d1b75c053c8/FLAGb9f7c24c5 [2025-01-09 17:03:02,300 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8d1b11c37/4043ad405dc5458482090d1b75c053c8 [2025-01-09 17:03:02,302 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 17:03:02,303 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 17:03:02,304 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 17:03:02,304 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 17:03:02,307 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 17:03:02,308 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:03:02" (1/1) ... [2025-01-09 17:03:02,308 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3097829d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:03:02, skipping insertion in model container [2025-01-09 17:03:02,308 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:03:02" (1/1) ... [2025-01-09 17:03:02,369 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 17:03:02,521 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_init_harness.i[4491,4504] [2025-01-09 17:03:02,527 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_init_harness.i[4551,4564] [2025-01-09 17:03:02,990 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:02,991 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:02,994 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:02,995 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:02,995 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:03,017 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:03,019 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:03,020 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:03,021 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:03,447 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:03,448 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:03,486 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:03:03,517 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 17:03:03,526 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_init_harness.i[4491,4504] [2025-01-09 17:03:03,526 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_init_harness.i[4551,4564] [2025-01-09 17:03:03,595 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:03,595 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:03,595 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:03,596 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:03,596 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:03,599 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:03,600 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:03,600 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:03,600 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:03,685 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8051] [2025-01-09 17:03:03,686 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:03,687 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:03,696 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8537-8548] [2025-01-09 17:03:03,709 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:03:03,893 INFO L204 MainTranslator]: Completed translation [2025-01-09 17:03:03,895 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:03:03 WrapperNode [2025-01-09 17:03:03,896 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 17:03:03,897 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 17:03:03,897 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 17:03:03,897 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 17:03:03,900 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:03:03" (1/1) ... [2025-01-09 17:03:03,947 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:03:03" (1/1) ... [2025-01-09 17:03:04,000 INFO L138 Inliner]: procedures = 679, calls = 2495, calls flagged for inlining = 55, calls inlined = 6, statements flattened = 790 [2025-01-09 17:03:04,001 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 17:03:04,002 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 17:03:04,002 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 17:03:04,002 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 17:03:04,008 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:03:03" (1/1) ... [2025-01-09 17:03:04,008 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:03:03" (1/1) ... [2025-01-09 17:03:04,027 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:03:03" (1/1) ... [2025-01-09 17:03:04,077 INFO L175 MemorySlicer]: Split 522 memory accesses to 5 slices as follows [2, 257, 238, 20, 5]. 49 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 6, 4, 5]. The 493 writes are split as follows [0, 257, 232, 4, 0]. [2025-01-09 17:03:04,081 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:03:03" (1/1) ... [2025-01-09 17:03:04,081 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:03:03" (1/1) ... [2025-01-09 17:03:04,110 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:03:03" (1/1) ... [2025-01-09 17:03:04,114 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:03:03" (1/1) ... [2025-01-09 17:03:04,119 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:03:03" (1/1) ... [2025-01-09 17:03:04,126 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:03:03" (1/1) ... [2025-01-09 17:03:04,127 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:03:03" (1/1) ... [2025-01-09 17:03:04,140 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 17:03:04,144 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 17:03:04,144 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 17:03:04,144 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 17:03:04,145 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:03:03" (1/1) ... [2025-01-09 17:03:04,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:03:04,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:03:04,177 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 17:03:04,184 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 17:03:04,200 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-01-09 17:03:04,200 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-01-09 17:03:04,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 17:03:04,200 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-01-09 17:03:04,200 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-01-09 17:03:04,200 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2025-01-09 17:03:04,200 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2025-01-09 17:03:04,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-01-09 17:03:04,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-01-09 17:03:04,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-01-09 17:03:04,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-01-09 17:03:04,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-01-09 17:03:04,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 17:03:04,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 17:03:04,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 17:03:04,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 17:03:04,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 17:03:04,201 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-01-09 17:03:04,201 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-01-09 17:03:04,201 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-09 17:03:04,201 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-09 17:03:04,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 17:03:04,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 17:03:04,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-09 17:03:04,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-09 17:03:04,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-01-09 17:03:04,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-01-09 17:03:04,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-01-09 17:03:04,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 17:03:04,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 17:03:04,201 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-01-09 17:03:04,201 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-01-09 17:03:04,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-01-09 17:03:04,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-01-09 17:03:04,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-01-09 17:03:04,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-01-09 17:03:04,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-01-09 17:03:04,201 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2025-01-09 17:03:04,201 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2025-01-09 17:03:04,201 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 17:03:04,201 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 17:03:04,201 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2025-01-09 17:03:04,201 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2025-01-09 17:03:04,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 17:03:04,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-09 17:03:04,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-09 17:03:04,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-01-09 17:03:04,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-01-09 17:03:04,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-01-09 17:03:04,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-01-09 17:03:04,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-01-09 17:03:04,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-01-09 17:03:04,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-01-09 17:03:04,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-01-09 17:03:04,202 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-01-09 17:03:04,202 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-01-09 17:03:04,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 17:03:04,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 17:03:04,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 17:03:04,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 17:03:04,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 17:03:04,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 17:03:04,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 17:03:04,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 17:03:04,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 17:03:04,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 17:03:04,417 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 17:03:04,418 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 17:03:11,153 INFO L? ?]: Removed 53 outVars from TransFormulas that were not future-live. [2025-01-09 17:03:11,154 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 17:03:11,164 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 17:03:11,166 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-09 17:03:11,166 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:03:11 BoogieIcfgContainer [2025-01-09 17:03:11,166 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 17:03:11,168 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 17:03:11,169 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 17:03:11,172 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 17:03:11,173 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 05:03:02" (1/3) ... [2025-01-09 17:03:11,173 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c4af685 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:03:11, skipping insertion in model container [2025-01-09 17:03:11,173 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:03:03" (2/3) ... [2025-01-09 17:03:11,174 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c4af685 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:03:11, skipping insertion in model container [2025-01-09 17:03:11,174 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:03:11" (3/3) ... [2025-01-09 17:03:11,175 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_init_harness.i [2025-01-09 17:03:11,186 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 17:03:11,188 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_init_harness.i that has 11 procedures, 100 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-01-09 17:03:11,233 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 17:03:11,240 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;@316a6e68, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 17:03:11,240 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 17:03:11,243 INFO L276 IsEmpty]: Start isEmpty. Operand has 100 states, 68 states have (on average 1.2352941176470589) internal successors, (84), 69 states have internal predecessors, (84), 20 states have call successors, (20), 10 states have call predecessors, (20), 10 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-01-09 17:03:11,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2025-01-09 17:03:11,247 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:03:11,247 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] [2025-01-09 17:03:11,247 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:03:11,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:03:11,250 INFO L85 PathProgramCache]: Analyzing trace with hash -1960111620, now seen corresponding path program 1 times [2025-01-09 17:03:11,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:03:11,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834313014] [2025-01-09 17:03:11,255 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:03:11,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:04:16,667 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-01-09 17:04:17,117 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-01-09 17:04:17,117 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:04:17,117 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:04:17,744 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-01-09 17:04:17,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:04:17,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834313014] [2025-01-09 17:04:17,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [834313014] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:04:17,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1887516536] [2025-01-09 17:04:17,746 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:04:17,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:04:17,746 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:04:17,751 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 17:04:17,755 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