./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_reset_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_reset_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 cda9529776bede8f1b2097af98f375819691ab0c72bb3e360b999e206011bf76 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 17:04:11,150 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 17:04:11,192 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 17:04:11,197 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 17:04:11,197 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 17:04:11,217 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 17:04:11,219 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 17:04:11,219 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 17:04:11,219 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 17:04:11,219 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 17:04:11,220 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 17:04:11,220 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 17:04:11,220 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 17:04:11,221 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 17:04:11,221 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 17:04:11,221 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 17:04:11,221 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 17:04:11,222 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 17:04:11,222 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 17:04:11,222 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 17:04:11,222 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 17:04:11,222 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 17:04:11,222 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 17:04:11,222 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 17:04:11,222 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 17:04:11,222 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 17:04:11,222 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:04:11,222 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:04:11,222 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:04:11,222 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:04:11,223 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 17:04:11,223 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:04:11,223 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:04:11,223 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:04:11,223 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:04:11,223 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 17:04:11,223 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 17:04:11,223 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 17:04:11,223 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 17:04:11,224 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 17:04:11,224 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 17:04:11,224 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 17:04:11,224 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 17:04:11,224 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 17:04:11,224 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 17:04:11,224 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 -> cda9529776bede8f1b2097af98f375819691ab0c72bb3e360b999e206011bf76 [2025-01-09 17:04:11,417 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 17:04:11,422 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 17:04:11,423 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 17:04:11,424 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 17:04:11,424 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 17:04:11,425 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_reset_harness.i [2025-01-09 17:04:12,570 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5dc146cd7/eb3b010f20994eb886df39147e62b663/FLAG390006410 [2025-01-09 17:04:13,052 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 17:04:13,054 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_reset_harness.i [2025-01-09 17:04:13,076 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5dc146cd7/eb3b010f20994eb886df39147e62b663/FLAG390006410 [2025-01-09 17:04:13,089 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5dc146cd7/eb3b010f20994eb886df39147e62b663 [2025-01-09 17:04:13,090 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 17:04:13,091 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 17:04:13,092 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 17:04:13,092 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 17:04:13,095 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 17:04:13,096 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:04:13" (1/1) ... [2025-01-09 17:04:13,097 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b4c5ef5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:04:13, skipping insertion in model container [2025-01-09 17:04:13,098 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:04:13" (1/1) ... [2025-01-09 17:04:13,154 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 17:04:13,314 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_reset_harness.i[4492,4505] [2025-01-09 17:04:13,320 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_reset_harness.i[4552,4565] [2025-01-09 17:04:13,830 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:13,832 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:13,833 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:13,833 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:13,834 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:13,844 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:13,845 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:13,846 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:13,846 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:14,229 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:14,229 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:14,273 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:04:14,339 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 17:04:14,347 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_reset_harness.i[4492,4505] [2025-01-09 17:04:14,348 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_reset_harness.i[4552,4565] [2025-01-09 17:04:14,370 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:14,371 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:14,371 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:14,371 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:14,372 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:14,375 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:14,376 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:14,376 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:14,376 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:14,462 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8291] [2025-01-09 17:04:14,464 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:14,464 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:14,472 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8777-8788] [2025-01-09 17:04:14,480 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:04:14,645 INFO L204 MainTranslator]: Completed translation [2025-01-09 17:04:14,645 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:04:14 WrapperNode [2025-01-09 17:04:14,645 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 17:04:14,646 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 17:04:14,646 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 17:04:14,646 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 17:04:14,652 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:04:14" (1/1) ... [2025-01-09 17:04:14,719 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:04:14" (1/1) ... [2025-01-09 17:04:14,798 INFO L138 Inliner]: procedures = 680, calls = 2629, calls flagged for inlining = 59, calls inlined = 7, statements flattened = 822 [2025-01-09 17:04:14,799 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 17:04:14,799 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 17:04:14,799 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 17:04:14,799 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 17:04:14,806 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:04:14" (1/1) ... [2025-01-09 17:04:14,807 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:04:14" (1/1) ... [2025-01-09 17:04:14,816 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:04:14" (1/1) ... [2025-01-09 17:04:14,871 INFO L175 MemorySlicer]: Split 542 memory accesses to 6 slices as follows [2, 257, 238, 31, 7, 7]. 47 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 0, 6, 4, 5, 4]. The 494 writes are split as follows [0, 257, 232, 4, 1, 0]. [2025-01-09 17:04:14,874 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:04:14" (1/1) ... [2025-01-09 17:04:14,874 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:04:14" (1/1) ... [2025-01-09 17:04:14,893 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:04:14" (1/1) ... [2025-01-09 17:04:14,895 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:04:14" (1/1) ... [2025-01-09 17:04:14,897 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:04:14" (1/1) ... [2025-01-09 17:04:14,900 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:04:14" (1/1) ... [2025-01-09 17:04:14,902 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:04:14" (1/1) ... [2025-01-09 17:04:14,911 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 17:04:14,912 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 17:04:14,913 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 17:04:14,914 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 17:04:14,915 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:04:14" (1/1) ... [2025-01-09 17:04:14,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:04:14,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:04:14,945 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 17:04:14,949 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 17:04:14,966 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-01-09 17:04:14,966 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-01-09 17:04:14,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 17:04:14,966 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-01-09 17:04:14,966 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-01-09 17:04:14,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-01-09 17:04:14,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-01-09 17:04:14,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-01-09 17:04:14,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-01-09 17:04:14,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-01-09 17:04:14,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-01-09 17:04:14,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 17:04:14,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 17:04:14,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 17:04:14,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 17:04:14,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 17:04:14,969 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-01-09 17:04:14,969 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-09 17:04:14,969 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-09 17:04:14,969 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_secure_zero [2025-01-09 17:04:14,969 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_secure_zero [2025-01-09 17:04:14,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 17:04:14,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 17:04:14,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-09 17:04:14,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-09 17:04:14,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-01-09 17:04:14,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-01-09 17:04:14,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-01-09 17:04:14,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-01-09 17:04:14,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 17:04:14,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 17:04:14,969 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-01-09 17:04:14,969 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-01-09 17:04:14,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-01-09 17:04:14,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-01-09 17:04:14,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-01-09 17:04:14,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-01-09 17:04:14,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-01-09 17:04:14,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-01-09 17:04:14,969 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 17:04:14,969 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 17:04:14,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 17:04:14,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-09 17:04:14,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-09 17:04:14,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-01-09 17:04:14,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-01-09 17:04:14,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-01-09 17:04:14,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-01-09 17:04:14,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-01-09 17:04:14,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-01-09 17:04:14,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-01-09 17:04:14,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-01-09 17:04:14,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-01-09 17:04:14,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-01-09 17:04:14,970 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-01-09 17:04:14,970 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-01-09 17:04:14,970 INFO L130 BoogieDeclarations]: Found specification of procedure assert_all_bytes_are [2025-01-09 17:04:14,970 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_all_bytes_are [2025-01-09 17:04:14,970 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-01-09 17:04:14,970 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-01-09 17:04:14,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 17:04:14,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 17:04:14,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 17:04:14,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 17:04:14,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 17:04:14,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-01-09 17:04:14,970 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2025-01-09 17:04:14,970 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2025-01-09 17:04:14,970 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2025-01-09 17:04:14,970 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2025-01-09 17:04:14,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 17:04:14,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 17:04:14,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 17:04:14,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 17:04:14,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 17:04:14,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-09 17:04:15,187 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 17:04:15,188 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 17:04:22,159 INFO L? ?]: Removed 71 outVars from TransFormulas that were not future-live. [2025-01-09 17:04:22,159 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 17:04:22,167 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 17:04:22,167 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-09 17:04:22,167 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:04:22 BoogieIcfgContainer [2025-01-09 17:04:22,167 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 17:04:22,169 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 17:04:22,169 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 17:04:22,173 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 17:04:22,173 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 05:04:13" (1/3) ... [2025-01-09 17:04:22,173 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1702534f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:04:22, skipping insertion in model container [2025-01-09 17:04:22,173 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:04:14" (2/3) ... [2025-01-09 17:04:22,173 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1702534f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:04:22, skipping insertion in model container [2025-01-09 17:04:22,174 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:04:22" (3/3) ... [2025-01-09 17:04:22,174 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_reset_harness.i [2025-01-09 17:04:22,184 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 17:04:22,186 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_reset_harness.i that has 12 procedures, 113 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 17:04:22,232 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 17:04:22,253 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;@908dc80, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 17:04:22,253 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 17:04:22,256 INFO L276 IsEmpty]: Start isEmpty. Operand has 113 states, 77 states have (on average 1.2207792207792207) internal successors, (94), 79 states have internal predecessors, (94), 23 states have call successors, (23), 11 states have call predecessors, (23), 11 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-01-09 17:04:22,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2025-01-09 17:04:22,264 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:04:22,264 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2025-01-09 17:04:22,265 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:04:22,268 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:04:22,268 INFO L85 PathProgramCache]: Analyzing trace with hash 1842176738, now seen corresponding path program 1 times [2025-01-09 17:04:22,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:04:22,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845388964] [2025-01-09 17:04:22,273 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:04:22,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:05:26,977 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-01-09 17:05:27,345 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-01-09 17:05:27,346 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:05:27,346 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:05:27,944 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-01-09 17:05:27,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:05:27,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845388964] [2025-01-09 17:05:27,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845388964] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:05:27,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [380687027] [2025-01-09 17:05:27,946 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:05:27,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:05:27,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:05:27,951 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 17:05:27,953 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