./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 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/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/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 14:13:33,050 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 14:13:33,099 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-22 14:13:33,103 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 14:13:33,104 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 14:13:33,127 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 14:13:33,127 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 14:13:33,128 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 14:13:33,128 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 14:13:33,130 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 14:13:33,130 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 14:13:33,130 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 14:13:33,130 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 14:13:33,131 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 14:13:33,131 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 14:13:33,131 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 14:13:33,131 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 14:13:33,132 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 14:13:33,132 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 14:13:33,132 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 14:13:33,132 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 14:13:33,133 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 14:13:33,133 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 14:13:33,133 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 14:13:33,133 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 14:13:33,133 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 14:13:33,134 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 14:13:33,134 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 14:13:33,134 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 14:13:33,134 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 14:13:33,135 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 14:13:33,135 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 14:13:33,135 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 14:13:33,135 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 14:13:33,135 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 14:13:33,136 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 14:13:33,136 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 14:13:33,136 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 14:13:33,136 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 14:13:33,136 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 13ec24500153ff48401c44b6cbf6e64bbffda498093f21927cfcfb52ad2376ab [2024-11-22 14:13:33,321 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 14:13:33,336 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 14:13:33,338 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 14:13:33,339 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 14:13:33,340 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 14:13:33,341 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_buf_harness.i [2024-11-22 14:13:34,573 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 14:13:34,959 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 14:13:34,960 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_buf_harness.i [2024-11-22 14:13:34,991 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f71d1a2a/c4b92e9d62fb4ef8ba23850281bb16a2/FLAG624007acb [2024-11-22 14:13:35,005 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f71d1a2a/c4b92e9d62fb4ef8ba23850281bb16a2 [2024-11-22 14:13:35,010 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 14:13:35,011 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 14:13:35,013 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 14:13:35,013 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 14:13:35,021 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 14:13:35,022 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:13:35" (1/1) ... [2024-11-22 14:13:35,024 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b76b4ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:13:35, skipping insertion in model container [2024-11-22 14:13:35,024 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:13:35" (1/1) ... [2024-11-22 14:13:35,200 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 14:13:35,435 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_buf_harness.i[4498,4511] [2024-11-22 14:13:35,441 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_buf_harness.i[4558,4571] [2024-11-22 14:13:35,926 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:13:35,927 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:13:35,927 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:13:35,927 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:13:35,931 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:13:35,948 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:13:35,948 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:13:35,949 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:13:35,949 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:13:36,324 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:13:36,325 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:13:36,406 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 14:13:36,450 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 14:13:36,464 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_buf_harness.i[4498,4511] [2024-11-22 14:13:36,466 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_buf_harness.i[4558,4571] [2024-11-22 14:13:36,506 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:13:36,507 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:13:36,507 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:13:36,509 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:13:36,509 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:13:36,513 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:13:36,517 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:13:36,518 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:13:36,518 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:13:36,652 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2024-11-22 14:13:36,654 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:13:36,654 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:13:36,662 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8755-8766] [2024-11-22 14:13:36,670 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 14:13:36,871 INFO L204 MainTranslator]: Completed translation [2024-11-22 14:13:36,871 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:13:36 WrapperNode [2024-11-22 14:13:36,871 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 14:13:36,872 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 14:13:36,872 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 14:13:36,873 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 14:13:36,877 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:13:36" (1/1) ... [2024-11-22 14:13:36,937 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:13:36" (1/1) ... [2024-11-22 14:13:36,989 INFO L138 Inliner]: procedures = 679, calls = 2633, calls flagged for inlining = 61, calls inlined = 9, statements flattened = 870 [2024-11-22 14:13:36,990 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 14:13:36,991 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 14:13:36,991 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 14:13:36,991 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 14:13:36,999 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:13:36" (1/1) ... [2024-11-22 14:13:36,999 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:13:36" (1/1) ... [2024-11-22 14:13:37,006 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:13:36" (1/1) ... [2024-11-22 14:13:37,070 INFO L175 MemorySlicer]: Split 565 memory accesses to 6 slices as follows [2, 257, 247, 39, 6, 14]. 45 percent of accesses are in the largest equivalence class. The 23 initializations are split as follows [2, 0, 11, 8, 0, 2]. The 495 writes are split as follows [0, 257, 232, 2, 2, 2]. [2024-11-22 14:13:37,072 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:13:36" (1/1) ... [2024-11-22 14:13:37,072 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:13:36" (1/1) ... [2024-11-22 14:13:37,103 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:13:36" (1/1) ... [2024-11-22 14:13:37,109 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:13:36" (1/1) ... [2024-11-22 14:13:37,115 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:13:36" (1/1) ... [2024-11-22 14:13:37,118 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:13:36" (1/1) ... [2024-11-22 14:13:37,127 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 14:13:37,128 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 14:13:37,128 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 14:13:37,128 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 14:13:37,129 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:13:36" (1/1) ... [2024-11-22 14:13:37,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 14:13:37,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 14:13:37,161 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-22 14:13:37,165 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-22 14:13:37,201 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-22 14:13:37,202 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-22 14:13:37,202 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-22 14:13:37,203 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-22 14:13:37,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-22 14:13:37,203 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-22 14:13:37,203 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-22 14:13:37,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-22 14:13:37,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-22 14:13:37,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-22 14:13:37,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-22 14:13:37,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-22 14:13:37,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-22 14:13:37,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-22 14:13:37,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-22 14:13:37,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-22 14:13:37,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-22 14:13:37,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-22 14:13:37,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-22 14:13:37,205 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-22 14:13:37,205 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-22 14:13:37,205 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_from_buf [2024-11-22 14:13:37,205 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_from_buf [2024-11-22 14:13:37,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-22 14:13:37,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 14:13:37,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-22 14:13:37,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-22 14:13:37,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-22 14:13:37,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-22 14:13:37,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-22 14:13:37,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-22 14:13:37,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 14:13:37,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 14:13:37,206 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-22 14:13:37,206 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-22 14:13:37,206 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-22 14:13:37,206 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-22 14:13:37,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-22 14:13:37,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-22 14:13:37,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-22 14:13:37,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-22 14:13:37,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-22 14:13:37,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-22 14:13:37,207 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-22 14:13:37,207 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-22 14:13:37,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-22 14:13:37,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-22 14:13:37,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-22 14:13:37,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-22 14:13:37,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-22 14:13:37,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-22 14:13:37,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-22 14:13:37,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-22 14:13:37,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-22 14:13:37,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-22 14:13:37,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-22 14:13:37,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-22 14:13:37,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-22 14:13:37,209 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-22 14:13:37,209 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-22 14:13:37,209 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-22 14:13:37,210 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-22 14:13:37,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-22 14:13:37,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-22 14:13:37,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-22 14:13:37,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-22 14:13:37,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-22 14:13:37,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-22 14:13:37,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 14:13:37,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-22 14:13:37,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-22 14:13:37,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-22 14:13:37,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-22 14:13:37,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-22 14:13:37,510 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 14:13:37,512 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 14:13:45,016 INFO L? ?]: Removed 125 outVars from TransFormulas that were not future-live. [2024-11-22 14:13:45,017 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 14:13:45,031 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 14:13:45,031 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-22 14:13:45,031 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:13:45 BoogieIcfgContainer [2024-11-22 14:13:45,031 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 14:13:45,033 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 14:13:45,033 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 14:13:45,035 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 14:13:45,036 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:13:35" (1/3) ... [2024-11-22 14:13:45,036 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61c63855 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:13:45, skipping insertion in model container [2024-11-22 14:13:45,036 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:13:36" (2/3) ... [2024-11-22 14:13:45,037 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61c63855 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:13:45, skipping insertion in model container [2024-11-22 14:13:45,037 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:13:45" (3/3) ... [2024-11-22 14:13:45,038 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_from_buf_harness.i [2024-11-22 14:13:45,050 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 14:13:45,050 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 14:13:45,101 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 14:13:45,107 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;@7ea471f9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 14:13:45,107 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 14:13:45,110 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) [2024-11-22 14:13:45,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-22 14:13:45,117 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 14:13:45,118 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] [2024-11-22 14:13:45,118 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 14:13:45,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 14:13:45,122 INFO L85 PathProgramCache]: Analyzing trace with hash -1503850868, now seen corresponding path program 1 times [2024-11-22 14:13:45,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 14:13:45,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922067561] [2024-11-22 14:13:45,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:13:45,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 14:15:02,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 14:15:04,953 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-22 14:15:04,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 14:15:04,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922067561] [2024-11-22 14:15:04,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922067561] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 14:15:04,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1045164854] [2024-11-22 14:15:04,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:15:04,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 14:15:04,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 14:15:04,959 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 14:15:04,961 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process