./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_c_str_harness_negated.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_c_str_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 885bac69872c2b34c2b244d1618f4ab60115ba2f5fec2456cdf32ad6a7277fb1 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 17:01:01,672 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 17:01:01,749 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 17:01:01,757 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 17:01:01,757 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 17:01:01,789 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 17:01:01,790 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 17:01:01,790 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 17:01:01,791 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 17:01:01,791 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 17:01:01,791 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 17:01:01,791 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 17:01:01,791 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 17:01:01,791 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 17:01:01,792 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 17:01:01,792 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 17:01:01,792 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 17:01:01,792 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 17:01:01,792 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 17:01:01,792 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 17:01:01,792 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 17:01:01,792 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 17:01:01,792 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 17:01:01,792 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 17:01:01,792 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 17:01:01,792 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 17:01:01,792 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:01:01,793 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:01:01,793 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:01:01,793 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:01:01,793 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 17:01:01,793 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:01:01,793 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:01:01,793 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:01:01,793 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:01:01,793 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 17:01:01,793 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 17:01:01,795 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 17:01:01,795 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 17:01:01,795 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 17:01:01,795 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 17:01:01,795 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 17:01:01,795 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 17:01:01,796 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 17:01:01,796 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 17:01:01,796 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 -> 885bac69872c2b34c2b244d1618f4ab60115ba2f5fec2456cdf32ad6a7277fb1 [2025-01-09 17:01:02,079 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 17:01:02,088 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 17:01:02,091 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 17:01:02,092 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 17:01:02,093 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 17:01:02,095 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_c_str_harness_negated.i [2025-01-09 17:01:03,415 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a9c9b45d5/0ec6d4ade1794d5a854cdcdaea8e2145/FLAGc29e6ac29 [2025-01-09 17:01:04,027 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 17:01:04,027 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_c_str_harness_negated.i [2025-01-09 17:01:04,078 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a9c9b45d5/0ec6d4ade1794d5a854cdcdaea8e2145/FLAGc29e6ac29 [2025-01-09 17:01:04,484 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a9c9b45d5/0ec6d4ade1794d5a854cdcdaea8e2145 [2025-01-09 17:01:04,486 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 17:01:04,487 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 17:01:04,488 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 17:01:04,488 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 17:01:04,491 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 17:01:04,491 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:01:04" (1/1) ... [2025-01-09 17:01:04,492 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@632d03db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:01:04, skipping insertion in model container [2025-01-09 17:01:04,492 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:01:04" (1/1) ... [2025-01-09 17:01:04,591 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 17:01:04,859 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_c_str_harness_negated.i[4495,4508] [2025-01-09 17:01:04,871 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_c_str_harness_negated.i[4555,4568] [2025-01-09 17:01:05,504 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:01:05,505 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:01:05,506 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:01:05,506 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:01:05,507 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:01:05,522 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:01:05,522 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:01:05,524 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:01:05,524 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:01:05,998 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:01:06,001 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:01:06,065 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:01:06,153 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 17:01:06,167 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_c_str_harness_negated.i[4495,4508] [2025-01-09 17:01:06,172 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_c_str_harness_negated.i[4555,4568] [2025-01-09 17:01:06,218 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:01:06,220 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:01:06,220 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:01:06,221 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:01:06,221 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:01:06,227 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:01:06,229 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:01:06,230 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:01:06,230 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:01:06,360 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8245] [2025-01-09 17:01:06,362 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:01:06,363 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:01:06,379 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8731-8742] [2025-01-09 17:01:06,397 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:01:06,625 INFO L204 MainTranslator]: Completed translation [2025-01-09 17:01:06,626 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:01:06 WrapperNode [2025-01-09 17:01:06,626 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 17:01:06,627 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 17:01:06,627 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 17:01:06,627 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 17:01:06,632 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:01:06" (1/1) ... [2025-01-09 17:01:06,710 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:01:06" (1/1) ... [2025-01-09 17:01:06,789 INFO L138 Inliner]: procedures = 680, calls = 2633, calls flagged for inlining = 64, calls inlined = 10, statements flattened = 902 [2025-01-09 17:01:06,789 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 17:01:06,790 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 17:01:06,790 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 17:01:06,790 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 17:01:06,797 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:01:06" (1/1) ... [2025-01-09 17:01:06,797 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:01:06" (1/1) ... [2025-01-09 17:01:06,804 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:01:06" (1/1) ... [2025-01-09 17:01:06,884 INFO L175 MemorySlicer]: Split 556 memory accesses to 6 slices as follows [257, 2, 238, 13, 40, 6]. 46 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [0, 2, 6, 5, 8, 0]. The 493 writes are split as follows [257, 0, 232, 0, 2, 2]. [2025-01-09 17:01:06,885 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:01:06" (1/1) ... [2025-01-09 17:01:06,885 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:01:06" (1/1) ... [2025-01-09 17:01:06,921 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:01:06" (1/1) ... [2025-01-09 17:01:06,924 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:01:06" (1/1) ... [2025-01-09 17:01:06,927 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:01:06" (1/1) ... [2025-01-09 17:01:06,940 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:01:06" (1/1) ... [2025-01-09 17:01:06,945 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:01:06" (1/1) ... [2025-01-09 17:01:06,958 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 17:01:06,959 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 17:01:06,959 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 17:01:06,959 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 17:01:06,960 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:01:06" (1/1) ... [2025-01-09 17:01:06,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:01:06,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:01:06,991 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 17:01:06,998 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 17:01:07,015 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq_c_str [2025-01-09 17:01:07,016 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq_c_str [2025-01-09 17:01:07,016 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-01-09 17:01:07,016 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-01-09 17:01:07,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 17:01:07,017 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-01-09 17:01:07,017 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-01-09 17:01:07,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-01-09 17:01:07,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-01-09 17:01:07,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-01-09 17:01:07,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-01-09 17:01:07,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-01-09 17:01:07,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-01-09 17:01:07,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 17:01:07,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 17:01:07,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 17:01:07,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 17:01:07,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 17:01:07,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-01-09 17:01:07,018 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-09 17:01:07,018 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-09 17:01:07,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 17:01:07,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 17:01:07,018 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2025-01-09 17:01:07,018 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2025-01-09 17:01:07,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-09 17:01:07,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-09 17:01:07,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-01-09 17:01:07,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-01-09 17:01:07,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-01-09 17:01:07,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-01-09 17:01:07,020 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 17:01:07,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 17:01:07,020 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-01-09 17:01:07,020 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-01-09 17:01:07,021 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-01-09 17:01:07,021 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-01-09 17:01:07,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-01-09 17:01:07,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-01-09 17:01:07,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-01-09 17:01:07,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-01-09 17:01:07,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-01-09 17:01:07,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-01-09 17:01:07,021 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 17:01:07,021 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 17:01:07,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 17:01:07,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-09 17:01:07,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-09 17:01:07,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-01-09 17:01:07,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-01-09 17:01:07,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-01-09 17:01:07,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-01-09 17:01:07,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-01-09 17:01:07,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-01-09 17:01:07,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-01-09 17:01:07,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-01-09 17:01:07,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-01-09 17:01:07,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-01-09 17:01:07,022 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-01-09 17:01:07,022 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-01-09 17:01:07,022 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-01-09 17:01:07,022 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-01-09 17:01:07,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 17:01:07,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 17:01:07,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 17:01:07,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 17:01:07,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 17:01:07,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-01-09 17:01:07,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 17:01:07,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 17:01:07,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 17:01:07,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 17:01:07,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 17:01:07,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-09 17:01:07,353 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 17:01:07,354 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 17:01:15,250 INFO L? ?]: Removed 119 outVars from TransFormulas that were not future-live. [2025-01-09 17:01:15,250 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 17:01:15,260 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 17:01:15,260 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-09 17:01:15,261 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:01:15 BoogieIcfgContainer [2025-01-09 17:01:15,261 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 17:01:15,263 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 17:01:15,263 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 17:01:15,267 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 17:01:15,267 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 05:01:04" (1/3) ... [2025-01-09 17:01:15,267 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a17cc82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:01:15, skipping insertion in model container [2025-01-09 17:01:15,267 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:01:06" (2/3) ... [2025-01-09 17:01:15,268 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a17cc82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:01:15, skipping insertion in model container [2025-01-09 17:01:15,268 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:01:15" (3/3) ... [2025-01-09 17:01:15,269 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_eq_c_str_harness_negated.i [2025-01-09 17:01:15,280 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 17:01:15,282 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_eq_c_str_harness_negated.i that has 11 procedures, 138 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 17:01:15,329 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 17:01:15,340 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;@3fed6c14, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 17:01:15,340 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 17:01:15,345 INFO L276 IsEmpty]: Start isEmpty. Operand has 138 states, 90 states have (on average 1.2444444444444445) internal successors, (112), 92 states have internal predecessors, (112), 36 states have call successors, (36), 10 states have call predecessors, (36), 10 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2025-01-09 17:01:15,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2025-01-09 17:01:15,356 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:01:15,357 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 2, 2, 2, 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 17:01:15,358 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:01:15,362 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:01:15,362 INFO L85 PathProgramCache]: Analyzing trace with hash 904942313, now seen corresponding path program 1 times [2025-01-09 17:01:15,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:01:15,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10783466] [2025-01-09 17:01:15,369 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:01:15,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:02:25,561 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 124 statements into 1 equivalence classes. [2025-01-09 17:02:26,165 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 124 of 124 statements. [2025-01-09 17:02:26,165 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:02:26,165 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:02:27,077 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2025-01-09 17:02:27,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:02:27,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10783466] [2025-01-09 17:02:27,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10783466] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:02:27,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [678773682] [2025-01-09 17:02:27,079 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:02:27,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:02:27,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:02:27,083 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 17:02:27,085 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