./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_buf_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_byte_cursor_from_buf_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', '13ec24500153ff48401c44b6cbf6e64bbffda498093f21927cfcfb52ad2376ab'] 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.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 13ec24500153ff48401c44b6cbf6e64bbffda498093f21927cfcfb52ad2376ab --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 11:51:58,154 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 11:51:58,257 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-07 11:51:58,263 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 11:51:58,263 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 11:51:58,283 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 11:51:58,284 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 11:51:58,284 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 11:51:58,284 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 11:51:58,284 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 11:51:58,284 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 11:51:58,285 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 11:51:58,285 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 11:51:58,285 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 11:51:58,285 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 11:51:58,285 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 11:51:58,286 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 11:51:58,286 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 11:51:58,286 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 11:51:58,286 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 11:51:58,286 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 11:51:58,286 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 11:51:58,286 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 11:51:58,286 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 11:51:58,286 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 11:51:58,287 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 11:51:58,287 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 11:51:58,287 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 11:51:58,287 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 11:51:58,287 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 11:51:58,287 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 11:51:58,287 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 11:51:58,287 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 11:51:58,287 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 11:51:58,288 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 11:51:58,288 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 11:51:58,288 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 11:51:58,288 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 11:51:58,288 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 11:51:58,288 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 -> 13ec24500153ff48401c44b6cbf6e64bbffda498093f21927cfcfb52ad2376ab [2024-11-07 11:51:58,582 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 11:51:58,593 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 11:51:58,596 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 11:51:58,597 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 11:51:58,597 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 11:51:58,598 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_buf_harness.i [2024-11-07 11:51:59,907 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 11:52:00,409 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 11:52:00,410 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_buf_harness.i [2024-11-07 11:52:00,451 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/752d7e4e7/cc670bb425d64bf4b7202610c3e7bab7/FLAG3819b77c4 [2024-11-07 11:52:00,464 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/752d7e4e7/cc670bb425d64bf4b7202610c3e7bab7 [2024-11-07 11:52:00,466 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 11:52:00,467 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 11:52:00,468 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 11:52:00,468 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 11:52:00,473 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 11:52:00,474 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:52:00" (1/1) ... [2024-11-07 11:52:00,476 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6668c95e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:52:00, skipping insertion in model container [2024-11-07 11:52:00,476 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:52:00" (1/1) ... [2024-11-07 11:52:00,576 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 11:52:00,807 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.i[4498,4511] [2024-11-07 11:52:00,817 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.i[4558,4571] [2024-11-07 11:52:01,392 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:52:01,393 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:52:01,394 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:52:01,394 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:52:01,395 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:52:01,409 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:52:01,410 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:52:01,415 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:52:01,415 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:52:01,906 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:52:01,907 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:52:01,973 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 11:52:02,035 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 11:52:02,051 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.i[4498,4511] [2024-11-07 11:52:02,055 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.i[4558,4571] [2024-11-07 11:52:02,103 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:52:02,105 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:52:02,106 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:52:02,106 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:52:02,107 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:52:02,112 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:52:02,113 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:52:02,114 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:52:02,115 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:52:02,293 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2024-11-07 11:52:02,295 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:52:02,295 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:52:02,307 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8755-8766] [2024-11-07 11:52:02,327 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 11:52:02,498 INFO L204 MainTranslator]: Completed translation [2024-11-07 11:52:02,499 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:52:02 WrapperNode [2024-11-07 11:52:02,499 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 11:52:02,501 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 11:52:02,501 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 11:52:02,501 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 11:52:02,507 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 11:52:02,589 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 11:52:02,673 INFO L138 Inliner]: procedures = 679, calls = 2633, calls flagged for inlining = 61, calls inlined = 9, statements flattened = 870 [2024-11-07 11:52:02,673 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 11:52:02,674 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 11:52:02,674 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 11:52:02,674 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 11:52:02,685 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 11:52:02,685 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 11:52:02,693 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 11:52:02,772 INFO L175 MemorySlicer]: Split 565 memory accesses to 6 slices as follows [2, 14, 257, 39, 247, 6]. 45 percent of accesses are in the largest equivalence class. The 23 initializations are split as follows [2, 2, 0, 8, 11, 0]. The 495 writes are split as follows [0, 2, 257, 2, 232, 2]. [2024-11-07 11:52:02,773 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 11:52:02,773 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 11:52:02,804 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 11:52:02,807 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 11:52:02,814 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 11:52:02,821 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 11:52:02,839 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 11:52:02,840 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 11:52:02,840 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 11:52:02,840 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 11:52:02,844 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 11:52:02,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 11:52:02,868 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 11:52:02,883 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 11:52:02,886 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 11:52:02,913 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-07 11:52:02,913 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-07 11:52:02,913 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-07 11:52:02,913 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-07 11:52:02,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 11:52:02,914 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-07 11:52:02,915 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-07 11:52:02,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-07 11:52:02,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-07 11:52:02,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-07 11:52:02,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-07 11:52:02,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-07 11:52:02,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-07 11:52:02,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 11:52:02,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 11:52:02,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-07 11:52:02,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-07 11:52:02,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-07 11:52:02,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-07 11:52:02,916 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-07 11:52:02,916 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-07 11:52:02,917 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_from_buf [2024-11-07 11:52:02,917 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_from_buf [2024-11-07 11:52:02,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 11:52:02,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 11:52:02,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-07 11:52:02,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-07 11:52:02,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-07 11:52:02,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-07 11:52:02,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-07 11:52:02,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-07 11:52:02,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 11:52:02,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 11:52:02,918 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-07 11:52:02,918 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-07 11:52:02,918 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-07 11:52:02,918 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-07 11:52:02,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-07 11:52:02,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-07 11:52:02,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-07 11:52:02,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-07 11:52:02,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-07 11:52:02,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-07 11:52:02,918 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 11:52:02,918 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 11:52:02,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 11:52:02,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-07 11:52:02,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-07 11:52:02,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-07 11:52:02,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-07 11:52:02,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-07 11:52:02,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-07 11:52:02,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-07 11:52:02,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-07 11:52:02,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-07 11:52:02,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-07 11:52:02,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-07 11:52:02,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-07 11:52:02,919 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-07 11:52:02,919 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-07 11:52:02,919 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-07 11:52:02,922 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-07 11:52:02,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 11:52:02,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 11:52:02,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-07 11:52:02,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-07 11:52:02,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-07 11:52:02,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-07 11:52:02,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 11:52:02,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 11:52:02,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-07 11:52:02,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-07 11:52:02,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-07 11:52:02,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-07 11:52:03,262 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 11:52:03,265 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 11:52:11,826 INFO L? ?]: Removed 125 outVars from TransFormulas that were not future-live. [2024-11-07 11:52:11,826 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 11:52:11,840 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 11:52:11,841 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-07 11:52:11,841 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:52:11 BoogieIcfgContainer [2024-11-07 11:52:11,842 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 11:52:11,844 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 11:52:11,845 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 11:52:11,850 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 11:52:11,850 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 11:52:00" (1/3) ... [2024-11-07 11:52:11,851 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76948782 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:52:11, skipping insertion in model container [2024-11-07 11:52:11,851 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 11:52:11,851 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76948782 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:52:11, skipping insertion in model container [2024-11-07 11:52:11,851 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:52:11" (3/3) ... [2024-11-07 11:52:11,852 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_from_buf_harness.i [2024-11-07 11:52:11,866 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 11:52:11,867 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 11:52:11,939 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 11:52:11,949 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;@fc8d777, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 11:52:11,950 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 11:52:11,954 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 11:52:11,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-07 11:52:11,965 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 11:52:11,966 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 11:52:11,966 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 11:52:11,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:52:11,970 INFO L85 PathProgramCache]: Analyzing trace with hash -1503850868, now seen corresponding path program 1 times [2024-11-07 11:52:11,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:52:11,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638295245] [2024-11-07 11:52:11,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:52:11,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 11:53:18,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:53:21,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 11:53:21,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:53:21,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-07 11:53:21,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:53:22,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-07 11:53:22,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:53:22,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 11:53:22,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:53:22,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 11:53:22,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:53:22,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 11:53:22,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:53:22,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 11:53:22,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:53:22,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 11:53:22,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:53:22,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-07 11:53:22,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:53:22,475 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 11:53:22,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 11:53:22,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638295245] [2024-11-07 11:53:22,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638295245] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 11:53:22,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [203397796] [2024-11-07 11:53:22,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:53:22,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 11:53:22,477 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 11:53:22,480 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 11:53:22,482 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