./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lookup_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_cursor_compare_lookup_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 8ccdea72ddab462e9567b7f56695cddd8d47da872c9a3d4b09c71a162ef49999 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 17:07:59,205 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 17:07:59,260 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 17:07:59,265 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 17:07:59,265 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 17:07:59,287 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 17:07:59,288 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 17:07:59,288 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 17:07:59,288 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 17:07:59,288 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 17:07:59,289 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 17:07:59,289 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 17:07:59,289 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 17:07:59,289 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 17:07:59,289 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 17:07:59,289 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 17:07:59,290 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 17:07:59,290 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 17:07:59,290 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 17:07:59,290 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 17:07:59,290 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 17:07:59,290 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 17:07:59,290 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 17:07:59,290 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 17:07:59,291 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 17:07:59,291 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 17:07:59,291 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:07:59,291 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:07:59,291 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:07:59,291 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:07:59,291 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 17:07:59,292 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:07:59,292 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:07:59,292 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:07:59,292 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:07:59,292 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 17:07:59,292 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 17:07:59,292 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 17:07:59,292 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 17:07:59,293 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 17:07:59,293 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 17:07:59,293 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 17:07:59,293 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 17:07:59,293 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 17:07:59,293 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 17:07:59,293 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 -> 8ccdea72ddab462e9567b7f56695cddd8d47da872c9a3d4b09c71a162ef49999 [2025-01-09 17:07:59,544 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 17:07:59,555 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 17:07:59,557 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 17:07:59,558 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 17:07:59,558 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 17:07:59,559 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lookup_harness.i [2025-01-09 17:08:00,820 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2a3fcbc98/3a169484896c4359a1d28aff4c1c57a1/FLAG5bf811e4c [2025-01-09 17:08:01,314 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 17:08:01,315 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lookup_harness.i [2025-01-09 17:08:01,349 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2a3fcbc98/3a169484896c4359a1d28aff4c1c57a1/FLAG5bf811e4c [2025-01-09 17:08:01,362 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2a3fcbc98/3a169484896c4359a1d28aff4c1c57a1 [2025-01-09 17:08:01,364 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 17:08:01,365 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 17:08:01,366 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 17:08:01,366 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 17:08:01,370 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 17:08:01,370 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:08:01" (1/1) ... [2025-01-09 17:08:01,371 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59e0afec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:08:01, skipping insertion in model container [2025-01-09 17:08:01,371 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:08:01" (1/1) ... [2025-01-09 17:08:01,440 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 17:08:01,643 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_cursor_compare_lookup_harness.i[4504,4517] [2025-01-09 17:08:01,652 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_cursor_compare_lookup_harness.i[4564,4577] [2025-01-09 17:08:02,173 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:08:02,174 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:08:02,174 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:08:02,174 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:08:02,175 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:08:02,190 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:08:02,190 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:08:02,192 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:08:02,192 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:08:02,625 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:08:02,626 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:08:02,696 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:08:02,758 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 17:08:02,771 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_cursor_compare_lookup_harness.i[4504,4517] [2025-01-09 17:08:02,772 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_cursor_compare_lookup_harness.i[4564,4577] [2025-01-09 17:08:02,837 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:08:02,841 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:08:02,841 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:08:02,841 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:08:02,842 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:08:02,849 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:08:02,853 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:08:02,854 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:08:02,854 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:08:03,022 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8277] [2025-01-09 17:08:03,024 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:08:03,024 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:08:03,036 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8763-8774] [2025-01-09 17:08:03,054 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:08:03,282 INFO L204 MainTranslator]: Completed translation [2025-01-09 17:08:03,283 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:08:03 WrapperNode [2025-01-09 17:08:03,283 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 17:08:03,284 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 17:08:03,284 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 17:08:03,284 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 17:08:03,290 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:08:03" (1/1) ... [2025-01-09 17:08:03,385 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:08:03" (1/1) ... [2025-01-09 17:08:03,452 INFO L138 Inliner]: procedures = 680, calls = 2647, calls flagged for inlining = 58, calls inlined = 4, statements flattened = 835 [2025-01-09 17:08:03,453 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 17:08:03,453 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 17:08:03,453 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 17:08:03,453 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 17:08:03,463 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:08:03" (1/1) ... [2025-01-09 17:08:03,463 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:08:03" (1/1) ... [2025-01-09 17:08:03,471 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:08:03" (1/1) ... [2025-01-09 17:08:03,543 INFO L175 MemorySlicer]: Split 548 memory accesses to 8 slices as follows [2, 257, 238, 2, 6, 4, 34, 5]. 47 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 6, 0, 0, 0, 4, 5]. The 494 writes are split as follows [0, 257, 232, 0, 2, 0, 3, 0]. [2025-01-09 17:08:03,545 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:08:03" (1/1) ... [2025-01-09 17:08:03,546 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:08:03" (1/1) ... [2025-01-09 17:08:03,574 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:08:03" (1/1) ... [2025-01-09 17:08:03,580 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:08:03" (1/1) ... [2025-01-09 17:08:03,587 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:08:03" (1/1) ... [2025-01-09 17:08:03,595 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:08:03" (1/1) ... [2025-01-09 17:08:03,599 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:08:03" (1/1) ... [2025-01-09 17:08:03,608 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 17:08:03,612 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 17:08:03,613 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 17:08:03,613 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 17:08:03,613 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:08:03" (1/1) ... [2025-01-09 17:08:03,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:08:03,635 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:08:03,650 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 17:08:03,654 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 17:08:03,678 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2025-01-09 17:08:03,678 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2025-01-09 17:08:03,678 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 17:08:03,679 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-01-09 17:08:03,679 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-01-09 17:08:03,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-01-09 17:08:03,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-01-09 17:08:03,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-01-09 17:08:03,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-01-09 17:08:03,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-01-09 17:08:03,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-01-09 17:08:03,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-01-09 17:08:03,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-01-09 17:08:03,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 17:08:03,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 17:08:03,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 17:08:03,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 17:08:03,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 17:08:03,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-01-09 17:08:03,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-01-09 17:08:03,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-01-09 17:08:03,683 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_bounded [2025-01-09 17:08:03,683 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_bounded [2025-01-09 17:08:03,683 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-09 17:08:03,683 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-09 17:08:03,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 17:08:03,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 17:08:03,683 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2025-01-09 17:08:03,683 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2025-01-09 17:08:03,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-09 17:08:03,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-09 17:08:03,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-01-09 17:08:03,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-01-09 17:08:03,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-01-09 17:08:03,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-01-09 17:08:03,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-01-09 17:08:03,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-01-09 17:08:03,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 17:08:03,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 17:08:03,684 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-01-09 17:08:03,684 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-01-09 17:08:03,684 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-01-09 17:08:03,684 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-01-09 17:08:03,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-01-09 17:08:03,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-01-09 17:08:03,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-01-09 17:08:03,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-01-09 17:08:03,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-01-09 17:08:03,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-01-09 17:08:03,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-01-09 17:08:03,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-01-09 17:08:03,685 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 17:08:03,685 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 17:08:03,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 17:08:03,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-09 17:08:03,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-09 17:08:03,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-01-09 17:08:03,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-01-09 17:08:03,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-01-09 17:08:03,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-01-09 17:08:03,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-01-09 17:08:03,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-01-09 17:08:03,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-01-09 17:08:03,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-01-09 17:08:03,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-01-09 17:08:03,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-01-09 17:08:03,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-01-09 17:08:03,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-01-09 17:08:03,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-01-09 17:08:03,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-01-09 17:08:03,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 17:08:03,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 17:08:03,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 17:08:03,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 17:08:03,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 17:08:03,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-01-09 17:08:03,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-01-09 17:08:03,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-01-09 17:08:03,687 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_cursor_has_allocated_buffer_member [2025-01-09 17:08:03,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_cursor_has_allocated_buffer_member [2025-01-09 17:08:03,688 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_compare_lookup [2025-01-09 17:08:03,688 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_compare_lookup [2025-01-09 17:08:03,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 17:08:03,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 17:08:03,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 17:08:03,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 17:08:03,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 17:08:03,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-09 17:08:03,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-01-09 17:08:03,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-01-09 17:08:04,019 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 17:08:04,022 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 17:08:12,006 INFO L? ?]: Removed 78 outVars from TransFormulas that were not future-live. [2025-01-09 17:08:12,007 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 17:08:12,017 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 17:08:12,017 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-09 17:08:12,019 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:08:12 BoogieIcfgContainer [2025-01-09 17:08:12,019 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 17:08:12,021 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 17:08:12,021 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 17:08:12,025 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 17:08:12,025 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 05:08:01" (1/3) ... [2025-01-09 17:08:12,026 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1082f4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:08:12, skipping insertion in model container [2025-01-09 17:08:12,026 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:08:03" (2/3) ... [2025-01-09 17:08:12,026 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1082f4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:08:12, skipping insertion in model container [2025-01-09 17:08:12,027 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:08:12" (3/3) ... [2025-01-09 17:08:12,028 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_compare_lookup_harness.i [2025-01-09 17:08:12,039 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 17:08:12,040 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_cursor_compare_lookup_harness.i that has 11 procedures, 133 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 17:08:12,087 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 17:08:12,097 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;@289f163e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 17:08:12,098 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 17:08:12,102 INFO L276 IsEmpty]: Start isEmpty. Operand has 133 states, 80 states have (on average 1.25) internal successors, (100), 81 states have internal predecessors, (100), 41 states have call successors, (41), 10 states have call predecessors, (41), 10 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) [2025-01-09 17:08:12,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2025-01-09 17:08:12,112 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:08:12,113 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2025-01-09 17:08:12,113 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:08:12,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:08:12,119 INFO L85 PathProgramCache]: Analyzing trace with hash 1474128557, now seen corresponding path program 1 times [2025-01-09 17:08:12,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:08:12,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147390346] [2025-01-09 17:08:12,127 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:08:12,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:09:16,624 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-01-09 17:09:17,270 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-01-09 17:09:17,271 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:09:17,271 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:09:18,189 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2025-01-09 17:09:18,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:09:18,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147390346] [2025-01-09 17:09:18,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147390346] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:09:18,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [312201926] [2025-01-09 17:09:18,191 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:09:18,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:09:18,191 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:09:18,195 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 17:09:18,196 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