./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 c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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-?-c7c6ca5-m [2024-11-09 03:09:52,553 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 03:09:52,617 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-09 03:09:52,622 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 03:09:52,624 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 03:09:52,649 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 03:09:52,649 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 03:09:52,650 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 03:09:52,650 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 03:09:52,653 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 03:09:52,653 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 03:09:52,654 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 03:09:52,654 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 03:09:52,654 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 03:09:52,654 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 03:09:52,655 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 03:09:52,655 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 03:09:52,655 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 03:09:52,655 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 03:09:52,656 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 03:09:52,656 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 03:09:52,657 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 03:09:52,657 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 03:09:52,657 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 03:09:52,657 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 03:09:52,658 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 03:09:52,659 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 03:09:52,659 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 03:09:52,659 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 03:09:52,659 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:09:52,660 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 03:09:52,660 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 03:09:52,660 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 03:09:52,660 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 03:09:52,661 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 03:09:52,661 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 03:09:52,661 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 03:09:52,661 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 03:09:52,661 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 03:09:52,661 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 13ec24500153ff48401c44b6cbf6e64bbffda498093f21927cfcfb52ad2376ab [2024-11-09 03:09:52,864 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 03:09:52,881 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 03:09:52,883 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 03:09:52,884 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 03:09:52,887 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 03:09:52,888 INFO L431 ainManager$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 [2024-11-09 03:09:54,220 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 03:09:54,629 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 03:09:54,629 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_buf_harness.i [2024-11-09 03:09:54,674 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d130ff4f/3bbd7168ba134eec8072061ad89c357c/FLAGfffeb1c83 [2024-11-09 03:09:54,779 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d130ff4f/3bbd7168ba134eec8072061ad89c357c [2024-11-09 03:09:54,782 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 03:09:54,784 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 03:09:54,786 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 03:09:54,786 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 03:09:54,791 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 03:09:54,792 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:09:54" (1/1) ... [2024-11-09 03:09:54,793 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1919b5ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:09:54, skipping insertion in model container [2024-11-09 03:09:54,793 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:09:54" (1/1) ... [2024-11-09 03:09:54,884 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 03:09:55,189 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] [2024-11-09 03:09:55,195 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] [2024-11-09 03:09:55,696 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:09:55,696 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:09:55,697 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:09:55,697 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:09:55,698 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:09:55,711 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:09:55,712 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:09:55,713 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:09:55,713 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:09:56,121 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:09:56,122 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:09:56,168 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:09:56,217 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 03:09:56,232 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] [2024-11-09 03:09:56,233 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] [2024-11-09 03:09:56,265 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:09:56,266 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:09:56,266 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:09:56,267 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:09:56,267 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:09:56,271 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:09:56,271 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:09:56,272 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:09:56,272 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:09:56,384 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2024-11-09 03:09:56,389 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:09:56,392 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:09:56,405 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8755-8766] [2024-11-09 03:09:56,423 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:09:56,688 INFO L204 MainTranslator]: Completed translation [2024-11-09 03:09:56,689 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:09:56 WrapperNode [2024-11-09 03:09:56,689 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 03:09:56,690 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 03:09:56,690 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 03:09:56,691 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 03:09:56,697 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:09:56" (1/1) ... [2024-11-09 03:09:56,797 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:09:56" (1/1) ... [2024-11-09 03:09:56,871 INFO L138 Inliner]: procedures = 679, calls = 2633, calls flagged for inlining = 61, calls inlined = 9, statements flattened = 870 [2024-11-09 03:09:56,871 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 03:09:56,872 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 03:09:56,872 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 03:09:56,872 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 03:09:56,882 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:09:56" (1/1) ... [2024-11-09 03:09:56,883 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:09:56" (1/1) ... [2024-11-09 03:09:56,894 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:09:56" (1/1) ... [2024-11-09 03:09:56,956 INFO L175 MemorySlicer]: Split 565 memory accesses to 6 slices as follows [14, 2, 257, 6, 39, 247]. 45 percent of accesses are in the largest equivalence class. The 23 initializations are split as follows [2, 2, 0, 0, 8, 11]. The 495 writes are split as follows [2, 0, 257, 2, 2, 232]. [2024-11-09 03:09:56,956 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:09:56" (1/1) ... [2024-11-09 03:09:56,956 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:09:56" (1/1) ... [2024-11-09 03:09:56,986 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:09:56" (1/1) ... [2024-11-09 03:09:56,988 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:09:56" (1/1) ... [2024-11-09 03:09:56,993 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:09:56" (1/1) ... [2024-11-09 03:09:56,997 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:09:56" (1/1) ... [2024-11-09 03:09:57,008 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 03:09:57,009 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 03:09:57,009 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 03:09:57,010 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 03:09:57,010 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:09:56" (1/1) ... [2024-11-09 03:09:57,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:09:57,040 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 03:09:57,058 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) [2024-11-09 03:09:57,064 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 [2024-11-09 03:09:57,125 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-09 03:09:57,126 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-09 03:09:57,127 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-09 03:09:57,127 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-09 03:09:57,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 03:09:57,127 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-09 03:09:57,127 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-09 03:09:57,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-09 03:09:57,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-09 03:09:57,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-09 03:09:57,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-09 03:09:57,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-09 03:09:57,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-09 03:09:57,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 03:09:57,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 03:09:57,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-09 03:09:57,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-09 03:09:57,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-09 03:09:57,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-09 03:09:57,129 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 03:09:57,129 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 03:09:57,129 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_from_buf [2024-11-09 03:09:57,129 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_from_buf [2024-11-09 03:09:57,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 03:09:57,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 03:09:57,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-09 03:09:57,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-09 03:09:57,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-09 03:09:57,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-09 03:09:57,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-09 03:09:57,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-09 03:09:57,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 03:09:57,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 03:09:57,130 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-09 03:09:57,130 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-09 03:09:57,130 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-09 03:09:57,131 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-09 03:09:57,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-09 03:09:57,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-09 03:09:57,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-09 03:09:57,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-09 03:09:57,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-09 03:09:57,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-09 03:09:57,132 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 03:09:57,132 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 03:09:57,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 03:09:57,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-09 03:09:57,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-09 03:09:57,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-09 03:09:57,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-09 03:09:57,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-09 03:09:57,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-09 03:09:57,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-09 03:09:57,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-09 03:09:57,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-09 03:09:57,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-09 03:09:57,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-09 03:09:57,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-09 03:09:57,134 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-09 03:09:57,134 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-09 03:09:57,135 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-09 03:09:57,135 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-09 03:09:57,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 03:09:57,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 03:09:57,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-09 03:09:57,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-09 03:09:57,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-09 03:09:57,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-09 03:09:57,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 03:09:57,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 03:09:57,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 03:09:57,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-09 03:09:57,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-09 03:09:57,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-09 03:09:57,401 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 03:09:57,403 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 03:10:04,972 INFO L? ?]: Removed 125 outVars from TransFormulas that were not future-live. [2024-11-09 03:10:04,973 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 03:10:04,986 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 03:10:04,987 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 03:10:04,987 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:10:04 BoogieIcfgContainer [2024-11-09 03:10:04,987 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 03:10:04,989 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 03:10:04,989 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 03:10:04,993 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 03:10:04,993 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 03:09:54" (1/3) ... [2024-11-09 03:10:04,994 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c8babc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:10:04, skipping insertion in model container [2024-11-09 03:10:04,994 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:09:56" (2/3) ... [2024-11-09 03:10:04,995 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c8babc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:10:04, skipping insertion in model container [2024-11-09 03:10:04,995 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:10:04" (3/3) ... [2024-11-09 03:10:04,996 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_from_buf_harness.i [2024-11-09 03:10:05,014 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 03:10:05,014 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 03:10:05,078 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 03:10:05,086 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;@301a4f0a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 03:10:05,087 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 03:10:05,090 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) [2024-11-09 03:10:05,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-09 03:10:05,098 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:10:05,099 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] [2024-11-09 03:10:05,099 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:10:05,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:10:05,104 INFO L85 PathProgramCache]: Analyzing trace with hash -1503850868, now seen corresponding path program 1 times [2024-11-09 03:10:05,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:10:05,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489602865] [2024-11-09 03:10:05,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:10:05,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 03:11:18,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:11:20,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 03:11:20,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:11:20,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 03:11:20,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:11:20,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-09 03:11:20,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:11:20,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:11:20,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:11:20,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 03:11:20,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:11:21,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 03:11:21,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:11:21,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-09 03:11:21,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:11:21,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-09 03:11:21,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:11:21,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-09 03:11:21,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:11:21,149 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-09 03:11:21,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 03:11:21,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489602865] [2024-11-09 03:11:21,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489602865] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 03:11:21,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [345672912] [2024-11-09 03:11:21,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:11:21,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 03:11:21,152 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 03:11:21,158 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) [2024-11-09 03:11:21,159 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process