./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 3061b6dc 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.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 02:16:47,062 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 02:16:47,137 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-19 02:16:47,143 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 02:16:47,143 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 02:16:47,169 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 02:16:47,170 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 02:16:47,171 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 02:16:47,171 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 02:16:47,173 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 02:16:47,173 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 02:16:47,173 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 02:16:47,174 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 02:16:47,174 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 02:16:47,175 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 02:16:47,176 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 02:16:47,178 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 02:16:47,178 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 02:16:47,178 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 02:16:47,179 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 02:16:47,179 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 02:16:47,182 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 02:16:47,182 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 02:16:47,183 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 02:16:47,183 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 02:16:47,183 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 02:16:47,184 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 02:16:47,184 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 02:16:47,184 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 02:16:47,184 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 02:16:47,185 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 02:16:47,185 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 02:16:47,185 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 02:16:47,185 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 02:16:47,186 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 02:16:47,187 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 02:16:47,187 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 02:16:47,187 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 02:16:47,188 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 02:16:47,188 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 71e5927fd394f7ee2b7e12cb164a1e2d1990ce0718c7f1e6f5935ec66026c1b2 [2024-11-19 02:16:47,497 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 02:16:47,523 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 02:16:47,526 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 02:16:47,527 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 02:16:47,528 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 02:16:47,529 INFO L431 ainManager$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 [2024-11-19 02:16:48,978 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 02:16:49,448 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 02:16:49,449 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_trim_pred_harness.i [2024-11-19 02:16:49,496 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08ae8d64b/46dbf38a014347458149134c3fcc19a1/FLAG65b5245ee [2024-11-19 02:16:49,513 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08ae8d64b/46dbf38a014347458149134c3fcc19a1 [2024-11-19 02:16:49,516 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 02:16:49,518 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 02:16:49,520 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 02:16:49,521 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 02:16:49,526 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 02:16:49,527 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:16:49" (1/1) ... [2024-11-19 02:16:49,528 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@364116b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:16:49, skipping insertion in model container [2024-11-19 02:16:49,530 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:16:49" (1/1) ... [2024-11-19 02:16:49,633 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 02:16:50,009 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] [2024-11-19 02:16:50,024 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] [2024-11-19 02:16:51,033 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:16:51,033 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:16:51,034 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:16:51,035 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:16:51,036 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:16:51,051 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:16:51,053 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:16:51,054 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:16:51,055 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:16:51,770 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:16:51,772 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:16:51,876 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 02:16:51,959 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 02:16:51,981 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] [2024-11-19 02:16:51,981 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] [2024-11-19 02:16:52,081 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:16:52,083 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:16:52,083 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:16:52,083 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:16:52,084 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:16:52,088 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:16:52,090 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:16:52,090 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:16:52,091 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:16:52,236 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8271] [2024-11-19 02:16:52,238 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:16:52,240 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:16:52,254 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8757-8768] [2024-11-19 02:16:52,270 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 02:16:52,448 INFO L204 MainTranslator]: Completed translation [2024-11-19 02:16:52,449 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:16:52 WrapperNode [2024-11-19 02:16:52,449 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 02:16:52,451 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 02:16:52,451 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 02:16:52,451 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 02:16:52,458 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:16:52" (1/1) ... [2024-11-19 02:16:52,578 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:16:52" (1/1) ... [2024-11-19 02:16:52,677 INFO L138 Inliner]: procedures = 679, calls = 2616, calls flagged for inlining = 62, calls inlined = 10, statements flattened = 901 [2024-11-19 02:16:52,678 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 02:16:52,679 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 02:16:52,679 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 02:16:52,679 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 02:16:52,688 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:16:52" (1/1) ... [2024-11-19 02:16:52,688 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:16:52" (1/1) ... [2024-11-19 02:16:52,699 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:16:52" (1/1) ... [2024-11-19 02:16:52,791 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]. [2024-11-19 02:16:52,792 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:16:52" (1/1) ... [2024-11-19 02:16:52,792 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:16:52" (1/1) ... [2024-11-19 02:16:52,836 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:16:52" (1/1) ... [2024-11-19 02:16:52,844 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:16:52" (1/1) ... [2024-11-19 02:16:52,854 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:16:52" (1/1) ... [2024-11-19 02:16:52,900 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:16:52" (1/1) ... [2024-11-19 02:16:52,927 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 02:16:52,928 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 02:16:52,928 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 02:16:52,928 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 02:16:52,948 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:16:52" (1/1) ... [2024-11-19 02:16:52,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 02:16:52,990 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:16:53,029 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) [2024-11-19 02:16:53,042 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 [2024-11-19 02:16:53,176 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-19 02:16:53,177 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-19 02:16:53,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 02:16:53,179 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-19 02:16:53,179 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-19 02:16:53,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-19 02:16:53,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-19 02:16:53,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-19 02:16:53,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-19 02:16:53,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-19 02:16:53,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-19 02:16:53,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 02:16:53,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 02:16:53,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 02:16:53,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-19 02:16:53,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-19 02:16:53,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-19 02:16:53,182 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-19 02:16:53,182 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-19 02:16:53,182 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_left_trim_pred [2024-11-19 02:16:53,182 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_left_trim_pred [2024-11-19 02:16:53,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 02:16:53,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 02:16:53,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 02:16:53,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 02:16:53,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 02:16:53,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-19 02:16:53,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-19 02:16:53,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-19 02:16:53,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 02:16:53,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 02:16:53,183 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-19 02:16:53,183 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-19 02:16:53,184 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-19 02:16:53,184 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-19 02:16:53,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-19 02:16:53,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-19 02:16:53,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-19 02:16:53,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-19 02:16:53,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-19 02:16:53,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-19 02:16:53,185 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-19 02:16:53,185 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-19 02:16:53,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 02:16:53,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 02:16:53,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 02:16:53,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 02:16:53,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-19 02:16:53,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-19 02:16:53,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-19 02:16:53,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-19 02:16:53,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-19 02:16:53,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-19 02:16:53,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-19 02:16:53,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-19 02:16:53,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-19 02:16:53,188 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~uint8_t~0~TO~int [2024-11-19 02:16:53,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~uint8_t~0~TO~int [2024-11-19 02:16:53,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 02:16:53,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 02:16:53,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 02:16:53,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-19 02:16:53,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-19 02:16:53,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-19 02:16:53,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 02:16:53,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 02:16:53,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 02:16:53,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 02:16:53,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-19 02:16:53,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-19 02:16:53,503 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 02:16:53,506 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 02:17:01,618 INFO L? ?]: Removed 101 outVars from TransFormulas that were not future-live. [2024-11-19 02:17:01,618 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 02:17:01,635 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 02:17:01,636 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-19 02:17:01,637 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:17:01 BoogieIcfgContainer [2024-11-19 02:17:01,637 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 02:17:01,639 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 02:17:01,639 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 02:17:01,642 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 02:17:01,642 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:16:49" (1/3) ... [2024-11-19 02:17:01,643 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e664c38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:17:01, skipping insertion in model container [2024-11-19 02:17:01,643 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:16:52" (2/3) ... [2024-11-19 02:17:01,643 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e664c38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:17:01, skipping insertion in model container [2024-11-19 02:17:01,644 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:17:01" (3/3) ... [2024-11-19 02:17:01,645 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_trim_pred_harness.i [2024-11-19 02:17:01,660 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 02:17:01,660 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 02:17:01,732 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 02:17:01,738 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;@aa2776, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 02:17:01,739 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 02:17:01,742 INFO L276 IsEmpty]: Start isEmpty. Operand has 124 states, 77 states have (on average 1.2337662337662338) internal successors, (95), 78 states have internal predecessors, (95), 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) [2024-11-19 02:17:01,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-19 02:17:01,752 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 02:17:01,752 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] [2024-11-19 02:17:01,753 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 02:17:01,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 02:17:01,759 INFO L85 PathProgramCache]: Analyzing trace with hash -120549986, now seen corresponding path program 1 times [2024-11-19 02:17:01,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 02:17:01,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658166769] [2024-11-19 02:17:01,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:17:01,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 02:18:16,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:18:17,325 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-11-19 02:18:17,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 02:18:17,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658166769] [2024-11-19 02:18:17,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658166769] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 02:18:17,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1205394149] [2024-11-19 02:18:17,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:18:17,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 02:18:17,328 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:18:17,330 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) [2024-11-19 02:18:17,333 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process