./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_u8_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c00e63dc 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_write_u8_harness_negated.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 fbd83f7e524270f26b355be3b6fdf116e3fc11da746439b12c865fa2fec80a91 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 05:01:40,516 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 05:01:40,583 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-06 05:01:40,590 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 05:01:40,590 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 05:01:40,611 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 05:01:40,612 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 05:01:40,612 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 05:01:40,613 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 05:01:40,613 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 05:01:40,614 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 05:01:40,614 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 05:01:40,614 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 05:01:40,615 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 05:01:40,615 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 05:01:40,615 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 05:01:40,615 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 05:01:40,616 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 05:01:40,616 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 05:01:40,616 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 05:01:40,616 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 05:01:40,616 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 05:01:40,616 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 05:01:40,616 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 05:01:40,616 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 05:01:40,616 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 05:01:40,617 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 05:01:40,617 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 05:01:40,617 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 05:01:40,617 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 05:01:40,617 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 05:01:40,618 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 05:01:40,618 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 05:01:40,618 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 05:01:40,618 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 05:01:40,618 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 05:01:40,618 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 05:01:40,619 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 05:01:40,619 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 05:01:40,619 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 05:01:40,619 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 -> fbd83f7e524270f26b355be3b6fdf116e3fc11da746439b12c865fa2fec80a91 [2025-02-06 05:01:40,907 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 05:01:40,912 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 05:01:40,915 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 05:01:40,916 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 05:01:40,916 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 05:01:40,917 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_u8_harness_negated.i [2025-02-06 05:01:42,143 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/bd65b3379/30aa9fce13b641e58c349637850b13c7/FLAG76ab7a600 [2025-02-06 05:01:42,656 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 05:01:42,657 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_u8_harness_negated.i [2025-02-06 05:01:42,692 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/bd65b3379/30aa9fce13b641e58c349637850b13c7/FLAG76ab7a600 [2025-02-06 05:01:42,721 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/bd65b3379/30aa9fce13b641e58c349637850b13c7 [2025-02-06 05:01:42,723 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 05:01:42,724 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 05:01:42,726 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 05:01:42,726 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 05:01:42,730 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 05:01:42,731 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 05:01:42" (1/1) ... [2025-02-06 05:01:42,731 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30f9a4f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:01:42, skipping insertion in model container [2025-02-06 05:01:42,732 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 05:01:42" (1/1) ... [2025-02-06 05:01:42,811 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 05:01:43,019 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_write_u8_harness_negated.i[4495,4508] [2025-02-06 05:01:43,027 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_write_u8_harness_negated.i[4555,4568] [2025-02-06 05:01:43,610 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:43,611 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:43,611 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:43,612 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:43,612 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:43,626 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:43,627 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:43,628 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:43,628 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:44,042 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:44,042 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:44,134 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 05:01:44,179 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 05:01:44,190 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_write_u8_harness_negated.i[4495,4508] [2025-02-06 05:01:44,192 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_write_u8_harness_negated.i[4555,4568] [2025-02-06 05:01:44,236 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:44,238 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:44,238 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:44,239 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:44,239 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:44,246 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:44,247 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:44,247 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:44,248 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:44,344 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8259] [2025-02-06 05:01:44,345 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:44,346 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:44,356 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8745-8756] [2025-02-06 05:01:44,370 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 05:01:44,564 INFO L204 MainTranslator]: Completed translation [2025-02-06 05:01:44,565 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:01:44 WrapperNode [2025-02-06 05:01:44,566 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 05:01:44,566 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 05:01:44,566 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 05:01:44,566 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 05:01:44,570 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:01:44" (1/1) ... [2025-02-06 05:01:44,626 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:01:44" (1/1) ... [2025-02-06 05:01:44,697 INFO L138 Inliner]: procedures = 680, calls = 2618, calls flagged for inlining = 63, calls inlined = 10, statements flattened = 871 [2025-02-06 05:01:44,697 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 05:01:44,698 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 05:01:44,698 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 05:01:44,698 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 05:01:44,706 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:01:44" (1/1) ... [2025-02-06 05:01:44,707 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:01:44" (1/1) ... [2025-02-06 05:01:44,712 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:01:44" (1/1) ... [2025-02-06 05:01:44,755 INFO L175 MemorySlicer]: Split 560 memory accesses to 7 slices as follows [2, 257, 238, 6, 2, 47, 8]. 46 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 0, 6, 0, 0, 8, 5]. The 496 writes are split as follows [0, 257, 232, 2, 1, 3, 1]. [2025-02-06 05:01:44,756 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:01:44" (1/1) ... [2025-02-06 05:01:44,756 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:01:44" (1/1) ... [2025-02-06 05:01:44,780 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:01:44" (1/1) ... [2025-02-06 05:01:44,782 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:01:44" (1/1) ... [2025-02-06 05:01:44,786 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:01:44" (1/1) ... [2025-02-06 05:01:44,789 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:01:44" (1/1) ... [2025-02-06 05:01:44,794 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 05:01:44,795 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 05:01:44,795 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 05:01:44,795 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 05:01:44,796 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:01:44" (1/1) ... [2025-02-06 05:01:44,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 05:01:44,810 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:01:44,823 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) [2025-02-06 05:01:44,830 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 [2025-02-06 05:01:44,845 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-02-06 05:01:44,845 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-02-06 05:01:44,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 05:01:44,846 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-06 05:01:44,846 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-06 05:01:44,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-06 05:01:44,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-06 05:01:44,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-06 05:01:44,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-06 05:01:44,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-06 05:01:44,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-06 05:01:44,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-02-06 05:01:44,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-06 05:01:44,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-06 05:01:44,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-06 05:01:44,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-06 05:01:44,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-06 05:01:44,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-06 05:01:44,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-02-06 05:01:44,847 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-06 05:01:44,847 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-06 05:01:44,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 05:01:44,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 05:01:44,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-06 05:01:44,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-06 05:01:44,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-06 05:01:44,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-06 05:01:44,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-06 05:01:44,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-06 05:01:44,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-02-06 05:01:44,847 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2025-02-06 05:01:44,847 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2025-02-06 05:01:44,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 05:01:44,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 05:01:44,848 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-06 05:01:44,848 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-06 05:01:44,848 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-02-06 05:01:44,848 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-02-06 05:01:44,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-06 05:01:44,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-06 05:01:44,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-06 05:01:44,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-06 05:01:44,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-06 05:01:44,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-06 05:01:44,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-02-06 05:01:44,848 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 05:01:44,848 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 05:01:44,848 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2025-02-06 05:01:44,848 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2025-02-06 05:01:44,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 05:01:44,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-06 05:01:44,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-06 05:01:44,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-06 05:01:44,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-06 05:01:44,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-06 05:01:44,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-06 05:01:44,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-02-06 05:01:44,848 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2025-02-06 05:01:44,848 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2025-02-06 05:01:44,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-06 05:01:44,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-06 05:01:44,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-06 05:01:44,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-06 05:01:44,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-06 05:01:44,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-06 05:01:44,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-02-06 05:01:44,849 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-06 05:01:44,849 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-06 05:01:44,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-06 05:01:44,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-06 05:01:44,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-06 05:01:44,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-06 05:01:44,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-06 05:01:44,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-06 05:01:44,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-02-06 05:01:44,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 05:01:44,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-06 05:01:44,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-06 05:01:44,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-06 05:01:44,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-06 05:01:44,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-06 05:01:44,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-02-06 05:01:45,135 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 05:01:45,138 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 05:01:45,174 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2025-02-06 05:01:45,309 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7367: havoc #t~mem682;havoc #t~mem683;havoc #t~short684;havoc #t~mem685.base, #t~mem685.offset;havoc #t~short686;havoc #t~mem687;havoc #t~mem688;havoc #t~mem689;havoc #t~short690;havoc #t~mem691;havoc #t~mem692.base, #t~mem692.offset;havoc #t~short693;havoc #t~short694;havoc #t~short695;havoc #t~short696; [2025-02-06 05:01:45,323 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-06 05:01:45,331 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7310: havoc #t~ret657.base, #t~ret657.offset; [2025-02-06 05:01:52,463 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L8545: havoc aws_byte_buf_write_u8_#t~ret1198#1;call ULTIMATE.dealloc(aws_byte_buf_write_u8_~#c#1.base, aws_byte_buf_write_u8_~#c#1.offset);havoc aws_byte_buf_write_u8_~#c#1.base, aws_byte_buf_write_u8_~#c#1.offset; [2025-02-06 05:01:52,464 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6588: havoc aws_byte_buf_is_bounded_#t~mem477#1; [2025-02-06 05:01:52,464 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L267: havoc nondet_uint8_t_#t~nondet10#1; [2025-02-06 05:01:52,464 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-02-06 05:01:52,516 INFO L? ?]: Removed 102 outVars from TransFormulas that were not future-live. [2025-02-06 05:01:52,516 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 05:01:52,542 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 05:01:52,542 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 05:01:52,542 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 05:01:52 BoogieIcfgContainer [2025-02-06 05:01:52,542 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 05:01:52,546 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 05:01:52,547 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 05:01:52,550 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 05:01:52,551 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 05:01:42" (1/3) ... [2025-02-06 05:01:52,551 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18940140 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 05:01:52, skipping insertion in model container [2025-02-06 05:01:52,552 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:01:44" (2/3) ... [2025-02-06 05:01:52,552 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18940140 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 05:01:52, skipping insertion in model container [2025-02-06 05:01:52,552 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 05:01:52" (3/3) ... [2025-02-06 05:01:52,554 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_u8_harness_negated.i [2025-02-06 05:01:52,567 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 05:01:52,568 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_write_u8_harness_negated.i that has 11 procedures, 130 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-06 05:01:52,616 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 05:01:52,627 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;@45626d68, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 05:01:52,628 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-06 05:01:52,631 INFO L276 IsEmpty]: Start isEmpty. Operand has 130 states, 84 states have (on average 1.2261904761904763) internal successors, (103), 85 states have internal predecessors, (103), 34 states have call successors, (34), 10 states have call predecessors, (34), 10 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2025-02-06 05:01:52,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2025-02-06 05:01:52,639 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 05:01:52,640 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 4, 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] [2025-02-06 05:01:52,641 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 05:01:52,645 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 05:01:52,646 INFO L85 PathProgramCache]: Analyzing trace with hash 1124650777, now seen corresponding path program 1 times [2025-02-06 05:01:52,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 05:01:52,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624636609] [2025-02-06 05:01:52,652 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:01:52,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 05:02:58,203 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-02-06 05:02:58,691 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-02-06 05:02:58,692 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:02:58,692 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:02:59,328 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2025-02-06 05:02:59,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 05:02:59,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624636609] [2025-02-06 05:02:59,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624636609] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 05:02:59,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1792713671] [2025-02-06 05:02:59,329 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:02:59,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 05:02:59,329 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:02:59,334 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) [2025-02-06 05:02:59,335 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