./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_string_eq_byte_cursor_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/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_string_eq_byte_cursor_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())) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '64bit', '--witnessprinter.graph.data.programhash', 'caa9ea3c4b01be424b9d4542ff8acdcb39307db8022d65ba85a629a6a4ef591a'] 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_string_eq_byte_cursor_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 caa9ea3c4b01be424b9d4542ff8acdcb39307db8022d65ba85a629a6a4ef591a --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 12:03:40,945 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 12:03:41,060 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-07 12:03:41,065 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 12:03:41,066 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 12:03:41,091 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 12:03:41,091 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 12:03:41,091 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 12:03:41,092 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 12:03:41,092 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 12:03:41,092 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 12:03:41,092 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 12:03:41,092 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 12:03:41,092 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 12:03:41,092 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 12:03:41,092 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 12:03:41,092 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 12:03:41,092 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 12:03:41,092 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 12:03:41,093 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 12:03:41,093 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 12:03:41,093 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 12:03:41,093 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 12:03:41,093 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 12:03:41,093 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 12:03:41,093 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 12:03:41,093 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 12:03:41,093 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 12:03:41,096 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 12:03:41,096 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 12:03:41,096 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 12:03:41,096 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 12:03:41,096 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 12:03:41,096 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 12:03:41,096 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 12:03:41,096 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 12:03:41,096 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 12:03:41,097 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 12:03:41,097 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 12:03:41,097 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 -> caa9ea3c4b01be424b9d4542ff8acdcb39307db8022d65ba85a629a6a4ef591a [2024-11-07 12:03:41,391 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 12:03:41,398 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 12:03:41,400 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 12:03:41,401 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 12:03:41,401 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 12:03:41,403 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_string_eq_byte_cursor_harness.i [2024-11-07 12:03:42,678 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 12:03:43,127 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 12:03:43,128 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_eq_byte_cursor_harness.i [2024-11-07 12:03:43,165 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6845dacfc/ed984f5f64eb4f4cbefa32f744ce18d4/FLAG8fb632210 [2024-11-07 12:03:43,245 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6845dacfc/ed984f5f64eb4f4cbefa32f744ce18d4 [2024-11-07 12:03:43,247 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 12:03:43,248 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 12:03:43,249 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 12:03:43,249 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 12:03:43,252 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 12:03:43,253 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:03:43" (1/1) ... [2024-11-07 12:03:43,253 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d52ea24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:03:43, skipping insertion in model container [2024-11-07 12:03:43,253 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:03:43" (1/1) ... [2024-11-07 12:03:43,333 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 12:03:43,554 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_string_eq_byte_cursor_harness.i[4499,4512] [2024-11-07 12:03:43,565 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_string_eq_byte_cursor_harness.i[4559,4572] [2024-11-07 12:03:44,471 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:44,472 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:44,472 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:44,473 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:44,478 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:44,499 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:44,504 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:44,505 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:44,506 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:45,154 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:45,154 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:45,246 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 12:03:45,305 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 12:03:45,319 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_string_eq_byte_cursor_harness.i[4499,4512] [2024-11-07 12:03:45,321 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_string_eq_byte_cursor_harness.i[4559,4572] [2024-11-07 12:03:45,364 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:45,365 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:45,365 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:45,367 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:45,367 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:45,371 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:45,371 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:45,372 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:45,373 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:45,527 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8253] [2024-11-07 12:03:45,529 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:45,529 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:45,540 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8739-8750] [2024-11-07 12:03:45,561 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 12:03:45,755 INFO L204 MainTranslator]: Completed translation [2024-11-07 12:03:45,756 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:03:45 WrapperNode [2024-11-07 12:03:45,756 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 12:03:45,757 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 12:03:45,757 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 12:03:45,757 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 12:03:45,762 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:03:45" (1/1) ... [2024-11-07 12:03:45,835 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:03:45" (1/1) ... [2024-11-07 12:03:45,933 INFO L138 Inliner]: procedures = 682, calls = 2795, calls flagged for inlining = 60, calls inlined = 7, statements flattened = 879 [2024-11-07 12:03:45,937 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 12:03:45,938 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 12:03:45,938 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 12:03:45,938 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 12:03:45,948 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:03:45" (1/1) ... [2024-11-07 12:03:45,949 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:03:45" (1/1) ... [2024-11-07 12:03:45,957 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:03:45" (1/1) ... [2024-11-07 12:03:46,033 INFO L175 MemorySlicer]: Split 543 memory accesses to 7 slices as follows [2, 257, 238, 16, 12, 13, 5]. 47 percent of accesses are in the largest equivalence class. The 31 initializations are split as follows [2, 0, 6, 16, 0, 2, 5]. The 493 writes are split as follows [0, 257, 232, 0, 3, 1, 0]. [2024-11-07 12:03:46,034 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:03:45" (1/1) ... [2024-11-07 12:03:46,034 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:03:45" (1/1) ... [2024-11-07 12:03:46,101 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:03:45" (1/1) ... [2024-11-07 12:03:46,108 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:03:45" (1/1) ... [2024-11-07 12:03:46,159 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:03:45" (1/1) ... [2024-11-07 12:03:46,168 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:03:45" (1/1) ... [2024-11-07 12:03:46,194 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 12:03:46,196 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 12:03:46,196 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 12:03:46,198 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 12:03:46,199 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:03:45" (1/1) ... [2024-11-07 12:03:46,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 12:03:46,222 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 12:03:46,243 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) [2024-11-07 12:03:46,247 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 [2024-11-07 12:03:46,272 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2024-11-07 12:03:46,272 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2024-11-07 12:03:46,272 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-07 12:03:46,272 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-07 12:03:46,272 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2024-11-07 12:03:46,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2024-11-07 12:03:46,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 12:03:46,272 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-07 12:03:46,272 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-07 12:03:46,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-07 12:03:46,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-07 12:03:46,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-07 12:03:46,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-07 12:03:46,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-07 12:03:46,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-07 12:03:46,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-07 12:03:46,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 12:03:46,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 12:03:46,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-07 12:03:46,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-07 12:03:46,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-07 12:03:46,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-07 12:03:46,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-07 12:03:46,273 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-07 12:03:46,273 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-07 12:03:46,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 12:03:46,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 12:03:46,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-07 12:03:46,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-07 12:03:46,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-07 12:03:46,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-07 12:03:46,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-07 12:03:46,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-07 12:03:46,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-07 12:03:46,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 12:03:46,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 12:03:46,273 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-07 12:03:46,273 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-07 12:03:46,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-07 12:03:46,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-07 12:03:46,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-07 12:03:46,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-07 12:03:46,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-07 12:03:46,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-07 12:03:46,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-07 12:03:46,273 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 12:03:46,273 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 12:03:46,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 12:03:46,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-07 12:03:46,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-07 12:03:46,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-07 12:03:46,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-07 12:03:46,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-07 12:03:46,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-07 12:03:46,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-07 12:03:46,274 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2024-11-07 12:03:46,274 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2024-11-07 12:03:46,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-07 12:03:46,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-07 12:03:46,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-07 12:03:46,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-07 12:03:46,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-07 12:03:46,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-07 12:03:46,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-07 12:03:46,274 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-07 12:03:46,274 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-07 12:03:46,274 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-07 12:03:46,274 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-07 12:03:46,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 12:03:46,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 12:03:46,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-07 12:03:46,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-07 12:03:46,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-07 12:03:46,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-07 12:03:46,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-07 12:03:46,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 12:03:46,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 12:03:46,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-07 12:03:46,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-07 12:03:46,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-07 12:03:46,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-07 12:03:46,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-07 12:03:46,562 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 12:03:46,564 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 12:03:54,139 INFO L? ?]: Removed 99 outVars from TransFormulas that were not future-live. [2024-11-07 12:03:54,140 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 12:03:54,151 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 12:03:54,151 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-07 12:03:54,152 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:03:54 BoogieIcfgContainer [2024-11-07 12:03:54,152 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 12:03:54,154 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 12:03:54,154 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 12:03:54,158 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 12:03:54,158 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:03:43" (1/3) ... [2024-11-07 12:03:54,159 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4334906a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:03:54, skipping insertion in model container [2024-11-07 12:03:54,159 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:03:45" (2/3) ... [2024-11-07 12:03:54,159 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4334906a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:03:54, skipping insertion in model container [2024-11-07 12:03:54,160 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:03:54" (3/3) ... [2024-11-07 12:03:54,161 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_string_eq_byte_cursor_harness.i [2024-11-07 12:03:54,172 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 12:03:54,173 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 12:03:54,246 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 12:03:54,257 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;@315a04be, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 12:03:54,257 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 12:03:54,262 INFO L276 IsEmpty]: Start isEmpty. Operand has 123 states, 82 states have (on average 1.2804878048780488) internal successors, (105), 83 states have internal predecessors, (105), 29 states have call successors, (29), 10 states have call predecessors, (29), 10 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-07 12:03:54,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-07 12:03:54,270 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 12:03:54,271 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2024-11-07 12:03:54,271 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 12:03:54,275 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 12:03:54,276 INFO L85 PathProgramCache]: Analyzing trace with hash 185201470, now seen corresponding path program 1 times [2024-11-07 12:03:54,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 12:03:54,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755276548] [2024-11-07 12:03:54,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:03:54,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 12:05:12,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:05:15,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 12:05:15,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:05:15,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 12:05:15,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:05:15,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-07 12:05:15,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:05:15,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 12:05:15,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:05:15,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 12:05:15,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:05:15,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 12:05:15,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:05:15,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-07 12:05:15,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:05:15,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 12:05:15,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:05:15,647 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-07 12:05:15,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 12:05:15,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755276548] [2024-11-07 12:05:15,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755276548] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 12:05:15,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1734182353] [2024-11-07 12:05:15,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:05:15,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 12:05:15,653 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 12:05:15,656 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) [2024-11-07 12:05:15,710 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