./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_buf_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_from_buf_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', '3d97d04097e42514d5700bbc256d61ac595fb6c5eca16e749be15c2d6158293f'] 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_from_buf_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 3d97d04097e42514d5700bbc256d61ac595fb6c5eca16e749be15c2d6158293f --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 11:51:59,363 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 11:51:59,443 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-07 11:51:59,448 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 11:51:59,450 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 11:51:59,467 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 11:51:59,469 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 11:51:59,469 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 11:51:59,470 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 11:51:59,470 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 11:51:59,471 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 11:51:59,471 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 11:51:59,471 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 11:51:59,471 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 11:51:59,471 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 11:51:59,472 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 11:51:59,472 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 11:51:59,472 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 11:51:59,472 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 11:51:59,472 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 11:51:59,472 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 11:51:59,472 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 11:51:59,472 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 11:51:59,472 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 11:51:59,472 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 11:51:59,472 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 11:51:59,473 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 11:51:59,473 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 11:51:59,473 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 11:51:59,473 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 11:51:59,473 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 11:51:59,473 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 11:51:59,473 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 11:51:59,473 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 11:51:59,473 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 11:51:59,473 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 11:51:59,474 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 11:51:59,474 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 11:51:59,474 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 11:51:59,474 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 -> 3d97d04097e42514d5700bbc256d61ac595fb6c5eca16e749be15c2d6158293f [2024-11-07 11:51:59,668 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 11:51:59,675 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 11:51:59,677 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 11:51:59,677 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 11:51:59,678 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 11:51:59,679 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_buf_harness_negated.i [2024-11-07 11:52:00,861 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 11:52:01,274 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 11:52:01,274 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_buf_harness_negated.i [2024-11-07 11:52:01,313 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7c7620f9a/8f39882f342f4454871f64d3e6574635/FLAGa834900bb [2024-11-07 11:52:01,327 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7c7620f9a/8f39882f342f4454871f64d3e6574635 [2024-11-07 11:52:01,329 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 11:52:01,330 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 11:52:01,332 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 11:52:01,332 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 11:52:01,335 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 11:52:01,336 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:52:01" (1/1) ... [2024-11-07 11:52:01,336 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4752851d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:52:01, skipping insertion in model container [2024-11-07 11:52:01,337 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:52:01" (1/1) ... [2024-11-07 11:52:01,412 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 11:52:01,587 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_from_buf_harness_negated.i[4498,4511] [2024-11-07 11:52:01,594 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_from_buf_harness_negated.i[4558,4571] [2024-11-07 11:52:02,016 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:52:02,017 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:52:02,017 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:52:02,017 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:52:02,018 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:52:02,026 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:52:02,028 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:52:02,033 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:52:02,033 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:52:02,406 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:52:02,407 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:52:02,460 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 11:52:02,512 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 11:52:02,524 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_from_buf_harness_negated.i[4498,4511] [2024-11-07 11:52:02,524 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_from_buf_harness_negated.i[4558,4571] [2024-11-07 11:52:02,561 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:52:02,562 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:52:02,562 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:52:02,563 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:52:02,563 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:52:02,570 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:52:02,570 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:52:02,571 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:52:02,572 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:52:02,706 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8237] [2024-11-07 11:52:02,707 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:52:02,708 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:52:02,718 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8723-8734] [2024-11-07 11:52:02,732 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 11:52:02,889 INFO L204 MainTranslator]: Completed translation [2024-11-07 11:52:02,890 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:52:02 WrapperNode [2024-11-07 11:52:02,891 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 11:52:02,892 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 11:52:02,892 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 11:52:02,892 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 11:52:02,896 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:52:02" (1/1) ... [2024-11-07 11:52:02,948 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:52:02" (1/1) ... [2024-11-07 11:52:03,000 INFO L138 Inliner]: procedures = 679, calls = 2633, calls flagged for inlining = 61, calls inlined = 9, statements flattened = 870 [2024-11-07 11:52:03,001 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 11:52:03,001 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 11:52:03,002 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 11:52:03,002 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 11:52:03,009 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:52:02" (1/1) ... [2024-11-07 11:52:03,009 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:52:02" (1/1) ... [2024-11-07 11:52:03,015 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:52:02" (1/1) ... [2024-11-07 11:52:03,073 INFO L175 MemorySlicer]: Split 565 memory accesses to 6 slices as follows [2, 257, 39, 247, 14, 6]. 45 percent of accesses are in the largest equivalence class. The 23 initializations are split as follows [2, 0, 8, 11, 2, 0]. The 495 writes are split as follows [0, 257, 2, 232, 2, 2]. [2024-11-07 11:52:03,073 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:52:02" (1/1) ... [2024-11-07 11:52:03,073 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:52:02" (1/1) ... [2024-11-07 11:52:03,101 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:52:02" (1/1) ... [2024-11-07 11:52:03,104 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:52:02" (1/1) ... [2024-11-07 11:52:03,113 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:52:02" (1/1) ... [2024-11-07 11:52:03,118 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:52:02" (1/1) ... [2024-11-07 11:52:03,133 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 11:52:03,134 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 11:52:03,134 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 11:52:03,134 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 11:52:03,135 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:52:02" (1/1) ... [2024-11-07 11:52:03,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 11:52:03,155 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 11:52:03,166 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 11:52:03,171 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 11:52:03,187 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-07 11:52:03,187 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-07 11:52:03,187 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-07 11:52:03,187 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-07 11:52:03,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 11:52:03,187 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-07 11:52:03,187 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-07 11:52:03,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-07 11:52:03,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-07 11:52:03,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-07 11:52:03,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-07 11:52:03,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-07 11:52:03,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-07 11:52:03,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 11:52:03,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 11:52:03,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-07 11:52:03,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-07 11:52:03,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-07 11:52:03,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-07 11:52:03,188 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-07 11:52:03,188 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-07 11:52:03,188 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_from_buf [2024-11-07 11:52:03,188 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_from_buf [2024-11-07 11:52:03,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 11:52:03,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 11:52:03,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-07 11:52:03,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-07 11:52:03,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-07 11:52:03,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-07 11:52:03,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-07 11:52:03,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-07 11:52:03,188 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 11:52:03,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 11:52:03,188 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-07 11:52:03,188 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-07 11:52:03,188 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-07 11:52:03,188 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-07 11:52:03,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-07 11:52:03,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-07 11:52:03,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-07 11:52:03,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-07 11:52:03,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-07 11:52:03,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-07 11:52:03,189 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 11:52:03,189 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 11:52:03,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 11:52:03,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-07 11:52:03,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-07 11:52:03,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-07 11:52:03,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-07 11:52:03,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-07 11:52:03,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-07 11:52:03,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-07 11:52:03,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-07 11:52:03,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-07 11:52:03,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-07 11:52:03,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-07 11:52:03,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-07 11:52:03,190 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-07 11:52:03,191 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-07 11:52:03,191 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-07 11:52:03,191 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-07 11:52:03,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 11:52:03,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 11:52:03,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-07 11:52:03,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-07 11:52:03,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-07 11:52:03,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-07 11:52:03,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 11:52:03,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 11:52:03,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-07 11:52:03,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-07 11:52:03,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-07 11:52:03,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-07 11:52:03,411 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 11:52:03,413 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 11:52:10,690 INFO L? ?]: Removed 125 outVars from TransFormulas that were not future-live. [2024-11-07 11:52:10,690 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 11:52:10,704 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 11:52:10,705 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-07 11:52:10,706 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:52:10 BoogieIcfgContainer [2024-11-07 11:52:10,706 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 11:52:10,708 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 11:52:10,708 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 11:52:10,712 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 11:52:10,712 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 11:52:01" (1/3) ... [2024-11-07 11:52:10,712 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@536f0876 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:52:10, skipping insertion in model container [2024-11-07 11:52:10,712 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:52:02" (2/3) ... [2024-11-07 11:52:10,713 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@536f0876 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:52:10, skipping insertion in model container [2024-11-07 11:52:10,713 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:52:10" (3/3) ... [2024-11-07 11:52:10,714 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_from_buf_harness_negated.i [2024-11-07 11:52:10,723 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 11:52:10,723 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 11:52:10,767 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 11:52:10,777 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;@37b41e38, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 11:52:10,777 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 11:52:10,780 INFO L276 IsEmpty]: Start isEmpty. Operand has 128 states, 88 states have (on average 1.25) internal successors, (110), 89 states have internal predecessors, (110), 28 states have call successors, (28), 10 states have call predecessors, (28), 10 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-07 11:52:10,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-07 11:52:10,788 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 11:52:10,788 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-11-07 11:52:10,789 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 11:52:10,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:52:10,792 INFO L85 PathProgramCache]: Analyzing trace with hash -1503850868, now seen corresponding path program 1 times [2024-11-07 11:52:10,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:52:10,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962156858] [2024-11-07 11:52:10,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:52:10,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 11:53:17,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:53:19,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 11:53:19,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:53:20,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-07 11:53:20,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:53:20,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-07 11:53:20,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:53:20,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 11:53:20,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:53:20,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 11:53:20,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:53:20,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 11:53:20,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:53:20,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 11:53:20,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:53:20,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 11:53:20,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:53:20,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-07 11:53:20,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:53:20,406 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-07 11:53:20,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 11:53:20,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962156858] [2024-11-07 11:53:20,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1962156858] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 11:53:20,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1933428064] [2024-11-07 11:53:20,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:53:20,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 11:53:20,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 11:53:20,411 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 11:53:20,413 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