./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_trim_pred_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f 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_trim_pred_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 71e5927fd394f7ee2b7e12cb164a1e2d1990ce0718c7f1e6f5935ec66026c1b2 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 10:59:08,726 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 10:59:08,784 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-10 10:59:08,789 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 10:59:08,790 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 10:59:08,809 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 10:59:08,810 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 10:59:08,810 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 10:59:08,810 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 10:59:08,813 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 10:59:08,813 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 10:59:08,814 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 10:59:08,814 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 10:59:08,814 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 10:59:08,815 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 10:59:08,815 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 10:59:08,816 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 10:59:08,817 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 10:59:08,817 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 10:59:08,817 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 10:59:08,817 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 10:59:08,817 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 10:59:08,818 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 10:59:08,818 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 10:59:08,818 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 10:59:08,818 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 10:59:08,818 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 10:59:08,818 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 10:59:08,819 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 10:59:08,819 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 10:59:08,819 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 10:59:08,819 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 10:59:08,819 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 10:59:08,819 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 10:59:08,820 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 10:59:08,820 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 10:59:08,820 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 10:59:08,820 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 10:59:08,820 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 10:59:08,820 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 71e5927fd394f7ee2b7e12cb164a1e2d1990ce0718c7f1e6f5935ec66026c1b2 [2024-11-10 10:59:09,015 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 10:59:09,037 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 10:59:09,039 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 10:59:09,040 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 10:59:09,041 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 10:59:09,041 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_trim_pred_harness.i [2024-11-10 10:59:10,233 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 10:59:10,632 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 10:59:10,633 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_trim_pred_harness.i [2024-11-10 10:59:10,669 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3e9dc15d/97cfa93ef75440c889db2aa3e1ccf186/FLAGd8c958a5e [2024-11-10 10:59:10,685 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3e9dc15d/97cfa93ef75440c889db2aa3e1ccf186 [2024-11-10 10:59:10,689 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 10:59:10,691 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 10:59:10,693 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 10:59:10,693 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 10:59:10,698 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 10:59:10,699 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:59:10" (1/1) ... [2024-11-10 10:59:10,699 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19b6ba5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:59:10, skipping insertion in model container [2024-11-10 10:59:10,700 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:59:10" (1/1) ... [2024-11-10 10:59:10,776 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 10:59:11,016 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_trim_pred_harness.i[4499,4512] [2024-11-10 10:59:11,024 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_trim_pred_harness.i[4559,4572] [2024-11-10 10:59:11,502 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:59:11,502 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:59:11,503 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:59:11,505 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:59:11,506 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:59:11,519 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:59:11,519 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:59:11,521 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:59:11,522 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:59:12,075 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:59:12,076 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:59:12,163 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 10:59:12,219 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 10:59:12,232 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_trim_pred_harness.i[4499,4512] [2024-11-10 10:59:12,233 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_trim_pred_harness.i[4559,4572] [2024-11-10 10:59:12,268 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:59:12,268 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:59:12,268 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:59:12,269 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:59:12,269 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:59:12,273 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:59:12,273 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:59:12,274 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:59:12,274 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:59:12,370 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8271] [2024-11-10 10:59:12,372 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:59:12,373 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:59:12,383 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8757-8768] [2024-11-10 10:59:12,395 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 10:59:12,630 INFO L204 MainTranslator]: Completed translation [2024-11-10 10:59:12,630 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:59:12 WrapperNode [2024-11-10 10:59:12,631 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 10:59:12,632 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 10:59:12,632 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 10:59:12,632 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 10:59:12,639 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:59:12" (1/1) ... [2024-11-10 10:59:12,725 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:59:12" (1/1) ... [2024-11-10 10:59:12,797 INFO L138 Inliner]: procedures = 679, calls = 2616, calls flagged for inlining = 62, calls inlined = 10, statements flattened = 900 [2024-11-10 10:59:12,798 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 10:59:12,798 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 10:59:12,798 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 10:59:12,799 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 10:59:12,808 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:59:12" (1/1) ... [2024-11-10 10:59:12,808 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:59:12" (1/1) ... [2024-11-10 10:59:12,817 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:59:12" (1/1) ... [2024-11-10 10:59:12,875 INFO L175 MemorySlicer]: Split 557 memory accesses to 6 slices as follows [2, 257, 242, 6, 45, 5]. 46 percent of accesses are in the largest equivalence class. The 25 initializations are split as follows [2, 0, 6, 0, 12, 5]. The 495 writes are split as follows [0, 257, 232, 2, 4, 0]. [2024-11-10 10:59:12,875 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:59:12" (1/1) ... [2024-11-10 10:59:12,875 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:59:12" (1/1) ... [2024-11-10 10:59:12,899 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:59:12" (1/1) ... [2024-11-10 10:59:12,900 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:59:12" (1/1) ... [2024-11-10 10:59:12,909 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:59:12" (1/1) ... [2024-11-10 10:59:12,912 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:59:12" (1/1) ... [2024-11-10 10:59:12,918 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 10:59:12,919 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 10:59:12,919 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 10:59:12,919 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 10:59:12,921 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:59:12" (1/1) ... [2024-11-10 10:59:12,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 10:59:12,933 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 10:59:12,948 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) [2024-11-10 10:59:12,949 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 [2024-11-10 10:59:12,985 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-10 10:59:12,986 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-10 10:59:12,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-10 10:59:12,987 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-10 10:59:12,987 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-10 10:59:12,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-10 10:59:12,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-10 10:59:12,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-10 10:59:12,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-10 10:59:12,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-10 10:59:12,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-10 10:59:12,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-10 10:59:12,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-10 10:59:12,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-10 10:59:12,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-10 10:59:12,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-10 10:59:12,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-10 10:59:12,988 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-10 10:59:12,988 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-10 10:59:12,988 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_left_trim_pred [2024-11-10 10:59:12,988 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_left_trim_pred [2024-11-10 10:59:12,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-10 10:59:12,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 10:59:12,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-10 10:59:12,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-10 10:59:12,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-10 10:59:12,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-10 10:59:12,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-10 10:59:12,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-10 10:59:12,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 10:59:12,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 10:59:12,989 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-10 10:59:12,989 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-10 10:59:12,989 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-10 10:59:12,989 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-10 10:59:12,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-10 10:59:12,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-10 10:59:12,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-10 10:59:12,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-10 10:59:12,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-10 10:59:12,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-10 10:59:12,989 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 10:59:13,004 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 10:59:13,004 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-10 10:59:13,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-10 10:59:13,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-10 10:59:13,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-10 10:59:13,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-10 10:59:13,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-10 10:59:13,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-10 10:59:13,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-10 10:59:13,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-10 10:59:13,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-10 10:59:13,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-10 10:59:13,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-10 10:59:13,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-10 10:59:13,005 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~uint8_t~0~TO~int [2024-11-10 10:59:13,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~uint8_t~0~TO~int [2024-11-10 10:59:13,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-10 10:59:13,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-10 10:59:13,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-10 10:59:13,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-10 10:59:13,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-10 10:59:13,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-10 10:59:13,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 10:59:13,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-10 10:59:13,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-10 10:59:13,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-10 10:59:13,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-10 10:59:13,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-10 10:59:13,251 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 10:59:13,252 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 10:59:13,285 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2024-11-10 10:59:13,319 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2024-11-10 10:59:13,348 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L7389: havoc #t~mem693;havoc #t~mem694;havoc #t~mem695.base, #t~mem695.offset;havoc #t~short696;havoc #t~mem697;havoc #t~mem698.base, #t~mem698.offset;havoc #t~short699;havoc #t~short700;havoc #t~short701;havoc #t~short702; [2024-11-10 10:59:13,390 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L8086: havoc #t~mem1005;havoc #t~mem1006.base, #t~mem1006.offset;call ULTIMATE.dealloc(~#trimmed~1.base, ~#trimmed~1.offset);havoc ~#trimmed~1.base, ~#trimmed~1.offset; [2024-11-10 10:59:20,600 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2024-11-10 10:59:20,600 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L8100: havoc aws_byte_cursor_trim_pred_#t~mem1012#1;havoc aws_byte_cursor_trim_pred_#t~mem1013#1.base, aws_byte_cursor_trim_pred_#t~mem1013#1.offset;call ULTIMATE.dealloc(aws_byte_cursor_trim_pred_~#left_trimmed~0#1.base, aws_byte_cursor_trim_pred_~#left_trimmed~0#1.offset);havoc aws_byte_cursor_trim_pred_~#left_trimmed~0#1.base, aws_byte_cursor_trim_pred_~#left_trimmed~0#1.offset;call ULTIMATE.dealloc(aws_byte_cursor_trim_pred_~#dest~0#1.base, aws_byte_cursor_trim_pred_~#dest~0#1.offset);havoc aws_byte_cursor_trim_pred_~#dest~0#1.base, aws_byte_cursor_trim_pred_~#dest~0#1.offset; [2024-11-10 10:59:20,600 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L8068: havoc aws_byte_cursor_right_trim_pred_#t~mem989#1;havoc aws_byte_cursor_right_trim_pred_#t~mem990#1.base, aws_byte_cursor_right_trim_pred_#t~mem990#1.offset;call ULTIMATE.dealloc(aws_byte_cursor_right_trim_pred_~#trimmed~0#1.base, aws_byte_cursor_right_trim_pred_~#trimmed~0#1.offset);havoc aws_byte_cursor_right_trim_pred_~#trimmed~0#1.base, aws_byte_cursor_right_trim_pred_~#trimmed~0#1.offset; [2024-11-10 10:59:20,600 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6669: havoc aws_byte_cursor_is_bounded_#t~mem509#1; [2024-11-10 10:59:20,632 INFO L? ?]: Removed 101 outVars from TransFormulas that were not future-live. [2024-11-10 10:59:20,632 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 10:59:20,642 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 10:59:20,643 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 10:59:20,643 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:59:20 BoogieIcfgContainer [2024-11-10 10:59:20,643 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 10:59:20,645 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 10:59:20,645 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 10:59:20,647 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 10:59:20,647 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 10:59:10" (1/3) ... [2024-11-10 10:59:20,648 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8a220ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:59:20, skipping insertion in model container [2024-11-10 10:59:20,648 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:59:12" (2/3) ... [2024-11-10 10:59:20,648 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8a220ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:59:20, skipping insertion in model container [2024-11-10 10:59:20,648 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:59:20" (3/3) ... [2024-11-10 10:59:20,650 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_trim_pred_harness.i [2024-11-10 10:59:20,662 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 10:59:20,663 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 10:59:20,713 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 10:59:20,719 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;@6d36d5fe, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 10:59:20,720 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 10:59:20,724 INFO L276 IsEmpty]: Start isEmpty. Operand has 125 states, 78 states have (on average 1.2307692307692308) internal successors, (96), 79 states have internal predecessors, (96), 37 states have call successors, (37), 8 states have call predecessors, (37), 8 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-10 10:59:20,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-10 10:59:20,734 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:59:20,734 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 4, 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] [2024-11-10 10:59:20,735 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:59:20,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:59:20,738 INFO L85 PathProgramCache]: Analyzing trace with hash -1326274744, now seen corresponding path program 1 times [2024-11-10 10:59:20,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:59:20,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872431787] [2024-11-10 10:59:20,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:59:20,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 11:00:38,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:00:40,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-10 11:00:40,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:00:40,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 11:00:40,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:00:40,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 11:00:40,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:00:40,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 11:00:40,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:00:40,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 11:00:40,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:00:40,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 11:00:40,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:00:40,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 11:00:40,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:00:40,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 11:00:40,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:00:40,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 11:00:40,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:00:40,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 11:00:40,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:00:40,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-10 11:00:40,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:00:40,760 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-11-10 11:00:40,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 11:00:40,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872431787] [2024-11-10 11:00:40,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1872431787] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 11:00:40,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [588078270] [2024-11-10 11:00:40,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 11:00:40,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 11:00:40,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 11:00:40,764 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) [2024-11-10 11:00:40,765 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process