./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_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_eq_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 5ab09f6d00b35855a638bb480b97a9e37405f3b4b54804a74b9b206823c7f543 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 17:01:05,134 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 17:01:05,178 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 17:01:05,182 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 17:01:05,182 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 17:01:05,197 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 17:01:05,198 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 17:01:05,198 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 17:01:05,198 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 17:01:05,198 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 17:01:05,198 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 17:01:05,198 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 17:01:05,199 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 17:01:05,199 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 17:01:05,199 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 17:01:05,199 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 17:01:05,199 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 17:01:05,199 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 17:01:05,199 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 17:01:05,199 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 17:01:05,199 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 17:01:05,199 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 17:01:05,200 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 17:01:05,200 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 17:01:05,200 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 17:01:05,200 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 17:01:05,200 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:01:05,200 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:01:05,200 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:01:05,200 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:01:05,200 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 17:01:05,200 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:01:05,200 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:01:05,200 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:01:05,201 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:01:05,201 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 17:01:05,201 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 17:01:05,201 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 17:01:05,201 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 17:01:05,201 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 17:01:05,201 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 17:01:05,201 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 17:01:05,201 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 17:01:05,201 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 17:01:05,201 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 17:01:05,201 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 -> 5ab09f6d00b35855a638bb480b97a9e37405f3b4b54804a74b9b206823c7f543 [2025-01-09 17:01:05,421 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 17:01:05,427 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 17:01:05,428 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 17:01:05,429 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 17:01:05,429 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 17:01:05,430 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_harness.i [2025-01-09 17:01:06,570 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0c5370d9b/00270dbd6cfa4326a038c326c9c8e104/FLAGad6513a0a [2025-01-09 17:01:07,009 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 17:01:07,010 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_harness.i [2025-01-09 17:01:07,046 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0c5370d9b/00270dbd6cfa4326a038c326c9c8e104/FLAGad6513a0a [2025-01-09 17:01:07,061 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0c5370d9b/00270dbd6cfa4326a038c326c9c8e104 [2025-01-09 17:01:07,063 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 17:01:07,065 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 17:01:07,067 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 17:01:07,067 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 17:01:07,070 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 17:01:07,071 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:01:07" (1/1) ... [2025-01-09 17:01:07,072 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c63a655 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:01:07, skipping insertion in model container [2025-01-09 17:01:07,072 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:01:07" (1/1) ... [2025-01-09 17:01:07,137 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 17:01:07,291 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_eq_harness.i[4489,4502] [2025-01-09 17:01:07,298 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_eq_harness.i[4549,4562] [2025-01-09 17:01:07,903 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:01:07,904 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:01:07,904 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:01:07,905 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:01:07,906 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:01:07,914 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:01:07,914 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:01:07,915 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:01:07,915 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:01:08,376 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:01:08,376 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:01:08,435 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:01:08,512 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 17:01:08,524 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_eq_harness.i[4489,4502] [2025-01-09 17:01:08,524 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_eq_harness.i[4549,4562] [2025-01-09 17:01:08,556 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:01:08,557 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:01:08,557 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:01:08,557 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:01:08,558 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:01:08,563 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:01:08,563 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:01:08,564 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:01:08,564 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:01:08,659 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8277] [2025-01-09 17:01:08,660 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:01:08,661 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:01:08,670 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8763-8774] [2025-01-09 17:01:08,685 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:01:08,888 INFO L204 MainTranslator]: Completed translation [2025-01-09 17:01:08,889 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:01:08 WrapperNode [2025-01-09 17:01:08,890 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 17:01:08,891 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 17:01:08,891 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 17:01:08,891 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 17:01:08,896 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:01:08" (1/1) ... [2025-01-09 17:01:08,962 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:01:08" (1/1) ... [2025-01-09 17:01:09,025 INFO L138 Inliner]: procedures = 680, calls = 2668, calls flagged for inlining = 60, calls inlined = 6, statements flattened = 902 [2025-01-09 17:01:09,025 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 17:01:09,026 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 17:01:09,026 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 17:01:09,026 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 17:01:09,034 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:01:08" (1/1) ... [2025-01-09 17:01:09,034 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:01:08" (1/1) ... [2025-01-09 17:01:09,040 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:01:08" (1/1) ... [2025-01-09 17:01:09,088 INFO L175 MemorySlicer]: Split 578 memory accesses to 6 slices as follows [2, 257, 238, 9, 66, 6]. 44 percent of accesses are in the largest equivalence class. The 29 initializations are split as follows [2, 0, 6, 5, 16, 0]. The 497 writes are split as follows [0, 257, 232, 0, 6, 2]. [2025-01-09 17:01:09,089 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:01:08" (1/1) ... [2025-01-09 17:01:09,089 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:01:08" (1/1) ... [2025-01-09 17:01:09,111 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:01:08" (1/1) ... [2025-01-09 17:01:09,113 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:01:08" (1/1) ... [2025-01-09 17:01:09,115 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:01:08" (1/1) ... [2025-01-09 17:01:09,123 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:01:08" (1/1) ... [2025-01-09 17:01:09,126 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:01:08" (1/1) ... [2025-01-09 17:01:09,135 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 17:01:09,140 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 17:01:09,140 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 17:01:09,140 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 17:01:09,141 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:01:08" (1/1) ... [2025-01-09 17:01:09,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:01:09,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:01:09,169 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 17:01:09,176 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 17:01:09,195 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-01-09 17:01:09,195 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-01-09 17:01:09,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 17:01:09,195 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-01-09 17:01:09,195 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-01-09 17:01:09,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-01-09 17:01:09,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-01-09 17:01:09,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-01-09 17:01:09,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-01-09 17:01:09,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-01-09 17:01:09,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-01-09 17:01:09,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 17:01:09,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 17:01:09,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 17:01:09,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 17:01:09,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 17:01:09,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-01-09 17:01:09,198 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-09 17:01:09,198 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-09 17:01:09,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 17:01:09,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 17:01:09,198 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2025-01-09 17:01:09,198 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2025-01-09 17:01:09,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-09 17:01:09,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-09 17:01:09,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-01-09 17:01:09,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-01-09 17:01:09,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-01-09 17:01:09,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-01-09 17:01:09,199 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_buf_has_allocated_buffer_member [2025-01-09 17:01:09,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_buf_has_allocated_buffer_member [2025-01-09 17:01:09,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 17:01:09,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 17:01:09,199 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-01-09 17:01:09,199 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-01-09 17:01:09,199 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-01-09 17:01:09,199 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-01-09 17:01:09,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-01-09 17:01:09,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-01-09 17:01:09,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-01-09 17:01:09,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-01-09 17:01:09,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-01-09 17:01:09,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-01-09 17:01:09,199 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 17:01:09,199 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 17:01:09,199 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 17:01:09,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-09 17:01:09,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-09 17:01:09,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-01-09 17:01:09,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-01-09 17:01:09,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-01-09 17:01:09,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-01-09 17:01:09,199 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2025-01-09 17:01:09,200 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2025-01-09 17:01:09,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-01-09 17:01:09,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-01-09 17:01:09,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-01-09 17:01:09,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-01-09 17:01:09,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-01-09 17:01:09,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-01-09 17:01:09,200 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-01-09 17:01:09,200 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-01-09 17:01:09,200 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-01-09 17:01:09,200 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-01-09 17:01:09,200 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_bounded [2025-01-09 17:01:09,200 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_bounded [2025-01-09 17:01:09,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 17:01:09,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 17:01:09,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 17:01:09,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 17:01:09,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 17:01:09,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-01-09 17:01:09,200 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_buf_equivalence [2025-01-09 17:01:09,200 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_buf_equivalence [2025-01-09 17:01:09,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 17:01:09,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 17:01:09,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 17:01:09,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 17:01:09,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 17:01:09,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-09 17:01:09,452 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 17:01:09,453 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 17:01:16,638 INFO L? ?]: Removed 94 outVars from TransFormulas that were not future-live. [2025-01-09 17:01:16,639 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 17:01:16,653 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 17:01:16,653 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-09 17:01:16,654 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:01:16 BoogieIcfgContainer [2025-01-09 17:01:16,654 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 17:01:16,655 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 17:01:16,655 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 17:01:16,658 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 17:01:16,659 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 05:01:07" (1/3) ... [2025-01-09 17:01:16,659 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3deec008 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:01:16, skipping insertion in model container [2025-01-09 17:01:16,659 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:01:08" (2/3) ... [2025-01-09 17:01:16,659 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3deec008 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:01:16, skipping insertion in model container [2025-01-09 17:01:16,659 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:01:16" (3/3) ... [2025-01-09 17:01:16,660 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_eq_harness.i [2025-01-09 17:01:16,669 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 17:01:16,670 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_eq_harness.i that has 14 procedures, 153 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-01-09 17:01:16,707 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 17:01:16,715 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;@59f15dd0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 17:01:16,716 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 17:01:16,719 INFO L276 IsEmpty]: Start isEmpty. Operand has 153 states, 92 states have (on average 1.2282608695652173) internal successors, (113), 93 states have internal predecessors, (113), 46 states have call successors, (46), 13 states have call predecessors, (46), 13 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2025-01-09 17:01:16,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2025-01-09 17:01:16,727 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:01:16,728 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:01:16,728 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:01:16,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:01:16,732 INFO L85 PathProgramCache]: Analyzing trace with hash 379353637, now seen corresponding path program 1 times [2025-01-09 17:01:16,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:01:16,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468906319] [2025-01-09 17:01:16,738 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:01:16,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:02:24,379 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 113 statements into 1 equivalence classes. [2025-01-09 17:02:24,857 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 113 of 113 statements. [2025-01-09 17:02:24,857 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:02:24,857 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:02:25,464 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2025-01-09 17:02:25,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:02:25,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468906319] [2025-01-09 17:02:25,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468906319] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:02:25,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1328395695] [2025-01-09 17:02:25,466 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:02:25,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:02:25,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:02:25,469 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 17:02:25,471 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