./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lookup_harness_negated.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_byte_cursor_compare_lookup_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())) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '64bit', '--witnessprinter.graph.data.programhash', 'e75e79bb7da52b492a2e3ddc8479f7ccf1edef9ee409c71a9e1468a3f8e14895'] 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_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 e75e79bb7da52b492a2e3ddc8479f7ccf1edef9ee409c71a9e1468a3f8e14895 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 11:50:04,142 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 11:50:04,218 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-07 11:50:04,227 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 11:50:04,228 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 11:50:04,256 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 11:50:04,258 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 11:50:04,258 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 11:50:04,259 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 11:50:04,259 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 11:50:04,260 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 11:50:04,260 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 11:50:04,261 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 11:50:04,261 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 11:50:04,262 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 11:50:04,262 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 11:50:04,262 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 11:50:04,262 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 11:50:04,262 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 11:50:04,262 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 11:50:04,262 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 11:50:04,263 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 11:50:04,263 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 11:50:04,263 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 11:50:04,263 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 11:50:04,263 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 11:50:04,263 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 11:50:04,264 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 11:50:04,264 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 11:50:04,264 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 11:50:04,264 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 11:50:04,264 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 11:50:04,264 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 11:50:04,264 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 11:50:04,264 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 11:50:04,265 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 11:50:04,265 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 11:50:04,265 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 11:50:04,265 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 11:50:04,266 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 -> e75e79bb7da52b492a2e3ddc8479f7ccf1edef9ee409c71a9e1468a3f8e14895 [2024-11-07 11:50:04,496 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 11:50:04,503 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 11:50:04,505 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 11:50:04,506 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 11:50:04,506 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 11:50:04,507 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lookup_harness_negated.i [2024-11-07 11:50:05,661 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 11:50:06,151 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 11:50:06,152 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lookup_harness_negated.i [2024-11-07 11:50:06,175 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e395067cc/e2de56b50e5b4c61b99818a29b346fd2/FLAGc7183e47b [2024-11-07 11:50:06,197 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e395067cc/e2de56b50e5b4c61b99818a29b346fd2 [2024-11-07 11:50:06,199 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 11:50:06,203 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 11:50:06,204 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 11:50:06,204 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 11:50:06,211 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 11:50:06,211 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:50:06" (1/1) ... [2024-11-07 11:50:06,212 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5af6d07c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:50:06, skipping insertion in model container [2024-11-07 11:50:06,212 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:50:06" (1/1) ... [2024-11-07 11:50:06,270 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 11:50:06,476 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_negated.i[4504,4517] [2024-11-07 11:50:06,483 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_negated.i[4564,4577] [2024-11-07 11:50:06,987 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:50:06,991 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:50:06,992 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:50:06,992 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:50:06,993 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:50:07,000 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:50:07,001 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:50:07,002 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:50:07,002 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:50:07,386 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:50:07,387 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:50:07,437 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 11:50:07,496 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 11:50:07,516 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_negated.i[4504,4517] [2024-11-07 11:50:07,516 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_negated.i[4564,4577] [2024-11-07 11:50:07,557 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:50:07,557 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:50:07,557 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:50:07,557 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:50:07,558 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:50:07,562 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:50:07,562 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:50:07,562 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:50:07,562 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:50:07,711 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8245] [2024-11-07 11:50:07,712 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:50:07,712 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:50:07,723 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8731-8742] [2024-11-07 11:50:07,739 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 11:50:07,941 INFO L204 MainTranslator]: Completed translation [2024-11-07 11:50:07,946 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:50:07 WrapperNode [2024-11-07 11:50:07,946 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 11:50:07,947 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 11:50:07,947 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 11:50:07,947 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 11:50:07,956 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:50:07" (1/1) ... [2024-11-07 11:50:08,047 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:50:07" (1/1) ... [2024-11-07 11:50:08,108 INFO L138 Inliner]: procedures = 680, calls = 2647, calls flagged for inlining = 58, calls inlined = 4, statements flattened = 835 [2024-11-07 11:50:08,112 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 11:50:08,117 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 11:50:08,117 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 11:50:08,117 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 11:50:08,128 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:50:07" (1/1) ... [2024-11-07 11:50:08,128 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:50:07" (1/1) ... [2024-11-07 11:50:08,136 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:50:07" (1/1) ... [2024-11-07 11:50:08,190 INFO L175 MemorySlicer]: Split 548 memory accesses to 8 slices as follows [2, 257, 238, 6, 4, 2, 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, 2, 0, 0, 3, 0]. [2024-11-07 11:50:08,194 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:50:07" (1/1) ... [2024-11-07 11:50:08,194 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:50:07" (1/1) ... [2024-11-07 11:50:08,232 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:50:07" (1/1) ... [2024-11-07 11:50:08,236 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:50:07" (1/1) ... [2024-11-07 11:50:08,242 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:50:07" (1/1) ... [2024-11-07 11:50:08,244 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:50:07" (1/1) ... [2024-11-07 11:50:08,250 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 11:50:08,251 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 11:50:08,251 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 11:50:08,251 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 11:50:08,252 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:50:07" (1/1) ... [2024-11-07 11:50:08,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 11:50:08,265 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 11:50:08,281 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 11:50:08,283 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 11:50:08,300 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-07 11:50:08,300 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-07 11:50:08,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 11:50:08,300 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-07 11:50:08,300 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-07 11:50:08,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-07 11:50:08,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-07 11:50:08,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-07 11:50:08,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-07 11:50:08,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-07 11:50:08,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-07 11:50:08,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-07 11:50:08,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-07 11:50:08,301 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 11:50:08,301 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 11:50:08,301 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-07 11:50:08,301 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-07 11:50:08,301 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-07 11:50:08,301 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-07 11:50:08,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-07 11:50:08,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-07 11:50:08,302 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_bounded [2024-11-07 11:50:08,302 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_bounded [2024-11-07 11:50:08,302 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-07 11:50:08,302 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-07 11:50:08,302 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 11:50:08,302 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 11:50:08,302 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2024-11-07 11:50:08,302 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2024-11-07 11:50:08,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-07 11:50:08,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-07 11:50:08,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-07 11:50:08,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-07 11:50:08,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-07 11:50:08,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-07 11:50:08,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-07 11:50:08,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-07 11:50:08,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 11:50:08,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 11:50:08,303 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-07 11:50:08,303 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-07 11:50:08,303 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-07 11:50:08,303 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-07 11:50:08,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-07 11:50:08,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-07 11:50:08,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-07 11:50:08,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-07 11:50:08,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-07 11:50:08,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-07 11:50:08,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-07 11:50:08,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-07 11:50:08,304 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 11:50:08,304 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 11:50:08,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 11:50:08,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-07 11:50:08,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-07 11:50:08,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-07 11:50:08,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-07 11:50:08,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-07 11:50:08,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-07 11:50:08,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-07 11:50:08,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-07 11:50:08,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-07 11:50:08,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-07 11:50:08,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-07 11:50:08,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-07 11:50:08,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-07 11:50:08,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-07 11:50:08,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-07 11:50:08,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-07 11:50:08,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 11:50:08,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 11:50:08,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-07 11:50:08,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-07 11:50:08,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-07 11:50:08,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-07 11:50:08,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-07 11:50:08,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-07 11:50:08,306 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_cursor_has_allocated_buffer_member [2024-11-07 11:50:08,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_cursor_has_allocated_buffer_member [2024-11-07 11:50:08,306 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_compare_lookup [2024-11-07 11:50:08,306 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_compare_lookup [2024-11-07 11:50:08,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 11:50:08,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 11:50:08,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-07 11:50:08,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-07 11:50:08,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-07 11:50:08,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-07 11:50:08,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-07 11:50:08,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-07 11:50:08,511 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 11:50:08,512 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 11:50:16,468 INFO L? ?]: Removed 78 outVars from TransFormulas that were not future-live. [2024-11-07 11:50:16,469 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 11:50:16,481 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 11:50:16,482 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 11:50:16,482 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:50:16 BoogieIcfgContainer [2024-11-07 11:50:16,482 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 11:50:16,487 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 11:50:16,487 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 11:50:16,494 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 11:50:16,495 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 11:50:06" (1/3) ... [2024-11-07 11:50:16,495 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75b78781 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:50:16, skipping insertion in model container [2024-11-07 11:50:16,495 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:50:07" (2/3) ... [2024-11-07 11:50:16,495 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75b78781 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:50:16, skipping insertion in model container [2024-11-07 11:50:16,496 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:50:16" (3/3) ... [2024-11-07 11:50:16,497 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_compare_lookup_harness_negated.i [2024-11-07 11:50:16,511 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 11:50:16,511 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 11:50:16,579 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 11:50:16,592 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;@3eaf9a86, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 11:50:16,593 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 11:50:16,598 INFO L276 IsEmpty]: Start isEmpty. Operand has 133 states, 80 states have (on average 1.2625) internal successors, (101), 81 states have internal predecessors, (101), 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) [2024-11-07 11:50:16,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-07 11:50:16,609 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 11:50:16,611 INFO L215 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] [2024-11-07 11:50:16,611 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 11:50:16,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:50:16,617 INFO L85 PathProgramCache]: Analyzing trace with hash -912149048, now seen corresponding path program 1 times [2024-11-07 11:50:16,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:50:16,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763293811] [2024-11-07 11:50:16,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:50:16,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 11:51:36,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:51:39,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 11:51:39,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:51:39,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 11:51:39,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:51:39,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 11:51:39,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:51:39,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 11:51:39,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:51:39,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-07 11:51:39,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:51:39,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-07 11:51:39,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:51:39,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 11:51:39,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:51:39,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-07 11:51:39,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:51:39,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-07 11:51:39,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:51:39,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 11:51:39,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:51:39,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 11:51:39,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:51:39,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 11:51:39,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:51:39,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-07 11:51:39,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:51:39,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-07 11:51:39,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:51:39,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-07 11:51:39,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:51:39,926 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-07 11:51:39,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 11:51:39,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763293811] [2024-11-07 11:51:39,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763293811] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 11:51:39,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1572691586] [2024-11-07 11:51:39,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:51:39,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 11:51:39,928 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 11:51:39,930 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 11:51:39,933 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