./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 8be7027f 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-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 08:48:38,588 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 08:48:38,630 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-12 08:48:38,636 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 08:48:38,636 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 08:48:38,654 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 08:48:38,654 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 08:48:38,655 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 08:48:38,655 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 08:48:38,655 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 08:48:38,656 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 08:48:38,656 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 08:48:38,656 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 08:48:38,657 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 08:48:38,657 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 08:48:38,657 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 08:48:38,657 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 08:48:38,658 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 08:48:38,658 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 08:48:38,658 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 08:48:38,658 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 08:48:38,661 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 08:48:38,661 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 08:48:38,661 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 08:48:38,661 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 08:48:38,661 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 08:48:38,662 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 08:48:38,662 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 08:48:38,662 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 08:48:38,662 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 08:48:38,662 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 08:48:38,663 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 08:48:38,663 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 08:48:38,663 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 08:48:38,663 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 08:48:38,663 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 08:48:38,663 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 08:48:38,664 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 08:48:38,664 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 08:48:38,664 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 13ec24500153ff48401c44b6cbf6e64bbffda498093f21927cfcfb52ad2376ab [2024-11-12 08:48:38,862 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 08:48:38,902 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 08:48:38,910 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 08:48:38,917 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 08:48:38,918 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 08:48:38,919 INFO L431 ainManager$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 [2024-11-12 08:48:40,221 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 08:48:40,573 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 08:48:40,573 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_buf_harness.i [2024-11-12 08:48:40,605 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4873da6da/71b21a2c26924fa885f85887656c4bd9/FLAGaf366589b [2024-11-12 08:48:40,620 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4873da6da/71b21a2c26924fa885f85887656c4bd9 [2024-11-12 08:48:40,623 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 08:48:40,625 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 08:48:40,628 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 08:48:40,628 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 08:48:40,632 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 08:48:40,632 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 08:48:40" (1/1) ... [2024-11-12 08:48:40,634 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dc13616 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:48:40, skipping insertion in model container [2024-11-12 08:48:40,634 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 08:48:40" (1/1) ... [2024-11-12 08:48:40,710 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 08:48:40,954 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] [2024-11-12 08:48:40,962 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] [2024-11-12 08:48:41,543 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:48:41,545 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:48:41,546 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:48:41,546 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:48:41,548 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:48:41,556 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:48:41,558 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:48:41,560 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:48:41,560 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:48:42,006 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:48:42,006 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:48:42,067 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 08:48:42,129 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 08:48:42,144 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] [2024-11-12 08:48:42,145 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] [2024-11-12 08:48:42,215 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:48:42,215 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:48:42,215 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:48:42,216 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:48:42,216 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:48:42,220 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:48:42,220 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:48:42,221 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:48:42,221 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:48:42,310 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2024-11-12 08:48:42,312 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:48:42,312 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:48:42,320 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8755-8766] [2024-11-12 08:48:42,328 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 08:48:42,469 INFO L204 MainTranslator]: Completed translation [2024-11-12 08:48:42,469 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:48:42 WrapperNode [2024-11-12 08:48:42,469 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 08:48:42,470 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 08:48:42,470 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 08:48:42,470 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 08:48:42,475 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:48:42" (1/1) ... [2024-11-12 08:48:42,541 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:48:42" (1/1) ... [2024-11-12 08:48:42,588 INFO L138 Inliner]: procedures = 679, calls = 2633, calls flagged for inlining = 61, calls inlined = 9, statements flattened = 870 [2024-11-12 08:48:42,589 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 08:48:42,589 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 08:48:42,589 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 08:48:42,589 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 08:48:42,600 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:48:42" (1/1) ... [2024-11-12 08:48:42,600 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:48:42" (1/1) ... [2024-11-12 08:48:42,608 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:48:42" (1/1) ... [2024-11-12 08:48:42,672 INFO L175 MemorySlicer]: Split 565 memory accesses to 6 slices as follows [2, 257, 247, 14, 6, 39]. 45 percent of accesses are in the largest equivalence class. The 23 initializations are split as follows [2, 0, 11, 2, 0, 8]. The 495 writes are split as follows [0, 257, 232, 2, 2, 2]. [2024-11-12 08:48:42,672 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:48:42" (1/1) ... [2024-11-12 08:48:42,673 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:48:42" (1/1) ... [2024-11-12 08:48:42,704 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:48:42" (1/1) ... [2024-11-12 08:48:42,707 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:48:42" (1/1) ... [2024-11-12 08:48:42,722 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:48:42" (1/1) ... [2024-11-12 08:48:42,727 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:48:42" (1/1) ... [2024-11-12 08:48:42,737 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 08:48:42,739 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 08:48:42,740 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 08:48:42,741 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 08:48:42,741 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:48:42" (1/1) ... [2024-11-12 08:48:42,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 08:48:42,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 08:48:42,804 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) [2024-11-12 08:48:42,806 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 [2024-11-12 08:48:42,844 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-12 08:48:42,845 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-12 08:48:42,846 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-12 08:48:42,846 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-12 08:48:42,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-12 08:48:42,846 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-12 08:48:42,846 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-12 08:48:42,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-12 08:48:42,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-12 08:48:42,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-12 08:48:42,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-12 08:48:42,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-12 08:48:42,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-12 08:48:42,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-12 08:48:42,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-12 08:48:42,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-12 08:48:42,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-12 08:48:42,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-12 08:48:42,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-12 08:48:42,848 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-12 08:48:42,848 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-12 08:48:42,848 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_from_buf [2024-11-12 08:48:42,848 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_from_buf [2024-11-12 08:48:42,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-12 08:48:42,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 08:48:42,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-12 08:48:42,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-12 08:48:42,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-12 08:48:42,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-12 08:48:42,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-12 08:48:42,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-12 08:48:42,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 08:48:42,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 08:48:42,849 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-12 08:48:42,849 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-12 08:48:42,849 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-12 08:48:42,849 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-12 08:48:42,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-12 08:48:42,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-12 08:48:42,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-12 08:48:42,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-12 08:48:42,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-12 08:48:42,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-12 08:48:42,850 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 08:48:42,850 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 08:48:42,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-12 08:48:42,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-12 08:48:42,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-12 08:48:42,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-12 08:48:42,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-12 08:48:42,851 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-12 08:48:42,851 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-12 08:48:42,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-12 08:48:42,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-12 08:48:42,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-12 08:48:42,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-12 08:48:42,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-12 08:48:42,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-12 08:48:42,852 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-12 08:48:42,852 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-12 08:48:42,852 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-12 08:48:42,852 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-12 08:48:42,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-12 08:48:42,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-12 08:48:42,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-12 08:48:42,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-12 08:48:42,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-12 08:48:42,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-12 08:48:42,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 08:48:42,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-12 08:48:42,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-12 08:48:42,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-12 08:48:42,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-12 08:48:42,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-12 08:48:43,105 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 08:48:43,108 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 08:48:50,633 INFO L? ?]: Removed 125 outVars from TransFormulas that were not future-live. [2024-11-12 08:48:50,634 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 08:48:50,645 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 08:48:50,645 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-12 08:48:50,646 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:48:50 BoogieIcfgContainer [2024-11-12 08:48:50,646 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 08:48:50,647 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 08:48:50,647 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 08:48:50,650 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 08:48:50,650 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 08:48:40" (1/3) ... [2024-11-12 08:48:50,651 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e663c6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 08:48:50, skipping insertion in model container [2024-11-12 08:48:50,651 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:48:42" (2/3) ... [2024-11-12 08:48:50,651 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e663c6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 08:48:50, skipping insertion in model container [2024-11-12 08:48:50,652 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:48:50" (3/3) ... [2024-11-12 08:48:50,653 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_from_buf_harness.i [2024-11-12 08:48:50,666 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 08:48:50,667 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 08:48:50,763 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 08:48:50,775 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;@1dc36f23, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 08:48:50,775 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 08:48:50,787 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) [2024-11-12 08:48:50,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-12 08:48:50,803 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 08:48:50,804 INFO L218 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] [2024-11-12 08:48:50,804 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 08:48:50,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 08:48:50,820 INFO L85 PathProgramCache]: Analyzing trace with hash -1503850868, now seen corresponding path program 1 times [2024-11-12 08:48:50,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 08:48:50,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208938415] [2024-11-12 08:48:50,834 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 08:48:50,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 08:50:09,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:50:11,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-12 08:50:11,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:50:11,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-12 08:50:11,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:50:11,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-12 08:50:11,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:50:11,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 08:50:11,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:50:11,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 08:50:11,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:50:12,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-12 08:50:12,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:50:12,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 08:50:12,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:50:12,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 08:50:12,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:50:12,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-12 08:50:12,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:50:12,223 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-12 08:50:12,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 08:50:12,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208938415] [2024-11-12 08:50:12,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208938415] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 08:50:12,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [945786562] [2024-11-12 08:50:12,225 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 08:50:12,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 08:50:12,226 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 08:50:12,229 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) [2024-11-12 08:50:12,230 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process