./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_harness_negated.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 87391e14b88adba21a2cadbd4091fa2317508e1d0df9844d1e7f72f208000e39 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 03:09:00,760 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 03:09:00,838 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-09 03:09:00,846 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 03:09:00,849 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 03:09:00,872 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 03:09:00,872 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 03:09:00,873 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 03:09:00,873 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 03:09:00,874 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 03:09:00,874 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 03:09:00,875 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 03:09:00,875 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 03:09:00,876 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 03:09:00,876 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 03:09:00,876 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 03:09:00,877 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 03:09:00,877 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 03:09:00,878 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 03:09:00,878 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 03:09:00,878 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 03:09:00,879 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 03:09:00,879 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 03:09:00,880 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 03:09:00,880 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 03:09:00,880 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 03:09:00,881 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 03:09:00,881 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 03:09:00,881 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 03:09:00,882 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:09:00,882 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 03:09:00,882 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 03:09:00,883 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 03:09:00,883 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 03:09:00,883 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 03:09:00,884 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 03:09:00,884 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 03:09:00,884 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 03:09:00,884 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 03:09:00,885 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 87391e14b88adba21a2cadbd4091fa2317508e1d0df9844d1e7f72f208000e39 [2024-11-09 03:09:01,137 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 03:09:01,166 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 03:09:01,170 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 03:09:01,171 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 03:09:01,172 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 03:09:01,173 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_harness_negated.i [2024-11-09 03:09:02,656 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 03:09:03,119 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 03:09:03,121 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_harness_negated.i [2024-11-09 03:09:03,162 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55e7e40df/269c32d072774950a533aa96e10f2f68/FLAG2b4a24de1 [2024-11-09 03:09:03,179 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55e7e40df/269c32d072774950a533aa96e10f2f68 [2024-11-09 03:09:03,184 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 03:09:03,186 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 03:09:03,188 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 03:09:03,189 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 03:09:03,195 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 03:09:03,196 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:09:03" (1/1) ... [2024-11-09 03:09:03,197 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@253691ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:09:03, skipping insertion in model container [2024-11-09 03:09:03,199 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:09:03" (1/1) ... [2024-11-09 03:09:03,298 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 03:09:03,630 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_eq_harness_negated.i[4492,4505] [2024-11-09 03:09:03,640 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_eq_harness_negated.i[4552,4565] [2024-11-09 03:09:04,469 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:09:04,474 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:09:04,474 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:09:04,475 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:09:04,476 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:09:04,495 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:09:04,496 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:09:04,498 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:09:04,500 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:09:05,108 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:09:05,115 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:09:05,193 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:09:05,263 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 03:09:05,276 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_eq_harness_negated.i[4492,4505] [2024-11-09 03:09:05,277 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_eq_harness_negated.i[4552,4565] [2024-11-09 03:09:05,310 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:09:05,311 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:09:05,311 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:09:05,312 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:09:05,312 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:09:05,317 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:09:05,318 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:09:05,318 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:09:05,319 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:09:05,460 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8245] [2024-11-09 03:09:05,462 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:09:05,463 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:09:05,481 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8731-8742] [2024-11-09 03:09:05,497 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:09:05,927 INFO L204 MainTranslator]: Completed translation [2024-11-09 03:09:05,927 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:09:05 WrapperNode [2024-11-09 03:09:05,928 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 03:09:05,929 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 03:09:05,930 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 03:09:05,930 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 03:09:05,938 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:09:05" (1/1) ... [2024-11-09 03:09:06,067 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:09:05" (1/1) ... [2024-11-09 03:09:06,243 INFO L138 Inliner]: procedures = 680, calls = 2648, calls flagged for inlining = 60, calls inlined = 6, statements flattened = 880 [2024-11-09 03:09:06,247 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 03:09:06,248 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 03:09:06,248 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 03:09:06,248 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 03:09:06,259 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:09:05" (1/1) ... [2024-11-09 03:09:06,260 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:09:05" (1/1) ... [2024-11-09 03:09:06,271 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:09:05" (1/1) ... [2024-11-09 03:09:06,336 INFO L175 MemorySlicer]: Split 550 memory accesses to 7 slices as follows [2, 257, 238, 38, 6, 4, 5]. 47 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 6, 4, 0, 0, 5]. The 494 writes are split as follows [0, 257, 232, 3, 2, 0, 0]. [2024-11-09 03:09:06,340 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:09:05" (1/1) ... [2024-11-09 03:09:06,341 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:09:05" (1/1) ... [2024-11-09 03:09:06,388 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:09:05" (1/1) ... [2024-11-09 03:09:06,392 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:09:05" (1/1) ... [2024-11-09 03:09:06,402 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:09:05" (1/1) ... [2024-11-09 03:09:06,416 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:09:05" (1/1) ... [2024-11-09 03:09:06,430 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 03:09:06,431 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 03:09:06,431 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 03:09:06,431 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 03:09:06,432 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:09:05" (1/1) ... [2024-11-09 03:09:06,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:09:06,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 03:09:06,482 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 03:09:06,488 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 03:09:06,539 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-09 03:09:06,540 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-09 03:09:06,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 03:09:06,541 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-09 03:09:06,541 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-09 03:09:06,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-09 03:09:06,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-09 03:09:06,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-09 03:09:06,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-09 03:09:06,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-09 03:09:06,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-09 03:09:06,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-09 03:09:06,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 03:09:06,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 03:09:06,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-09 03:09:06,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-09 03:09:06,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-09 03:09:06,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-09 03:09:06,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-09 03:09:06,545 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_bounded [2024-11-09 03:09:06,545 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_bounded [2024-11-09 03:09:06,545 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 03:09:06,545 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 03:09:06,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 03:09:06,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 03:09:06,546 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2024-11-09 03:09:06,546 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2024-11-09 03:09:06,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-09 03:09:06,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-09 03:09:06,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-09 03:09:06,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-09 03:09:06,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-09 03:09:06,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-09 03:09:06,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-09 03:09:06,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 03:09:06,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 03:09:06,547 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-09 03:09:06,547 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-09 03:09:06,547 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-09 03:09:06,547 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-09 03:09:06,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-09 03:09:06,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-09 03:09:06,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-09 03:09:06,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-09 03:09:06,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-09 03:09:06,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-09 03:09:06,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-09 03:09:06,549 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 03:09:06,549 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 03:09:06,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 03:09:06,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-09 03:09:06,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-09 03:09:06,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-09 03:09:06,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-09 03:09:06,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-09 03:09:06,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-09 03:09:06,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-09 03:09:06,550 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2024-11-09 03:09:06,551 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2024-11-09 03:09:06,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-09 03:09:06,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-09 03:09:06,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-09 03:09:06,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-09 03:09:06,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-09 03:09:06,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-09 03:09:06,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-09 03:09:06,552 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-09 03:09:06,552 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-09 03:09:06,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 03:09:06,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 03:09:06,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-09 03:09:06,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-09 03:09:06,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-09 03:09:06,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-09 03:09:06,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-09 03:09:06,553 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_cursor_has_allocated_buffer_member [2024-11-09 03:09:06,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_cursor_has_allocated_buffer_member [2024-11-09 03:09:06,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 03:09:06,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 03:09:06,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 03:09:06,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-09 03:09:06,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-09 03:09:06,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-09 03:09:06,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-09 03:09:06,918 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 03:09:06,921 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 03:09:14,934 INFO L? ?]: Removed 89 outVars from TransFormulas that were not future-live. [2024-11-09 03:09:14,934 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 03:09:14,951 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 03:09:14,952 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 03:09:14,953 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:09:14 BoogieIcfgContainer [2024-11-09 03:09:14,953 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 03:09:14,955 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 03:09:14,955 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 03:09:14,958 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 03:09:14,958 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 03:09:03" (1/3) ... [2024-11-09 03:09:14,958 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bdc659d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:09:14, skipping insertion in model container [2024-11-09 03:09:14,959 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:09:05" (2/3) ... [2024-11-09 03:09:14,959 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bdc659d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:09:14, skipping insertion in model container [2024-11-09 03:09:14,959 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:09:14" (3/3) ... [2024-11-09 03:09:14,961 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_eq_harness_negated.i [2024-11-09 03:09:14,976 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 03:09:14,976 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 03:09:15,063 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 03:09:15,070 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;@5a7f7af1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 03:09:15,071 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 03:09:15,075 INFO L276 IsEmpty]: Start isEmpty. Operand has 134 states, 81 states have (on average 1.2345679012345678) internal successors, (100), 82 states have internal predecessors, (100), 40 states have call successors, (40), 11 states have call predecessors, (40), 11 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-09 03:09:15,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-09 03:09:15,089 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:09:15,090 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 4, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 03:09:15,091 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:09:15,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:09:15,097 INFO L85 PathProgramCache]: Analyzing trace with hash -239771141, now seen corresponding path program 1 times [2024-11-09 03:09:15,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:09:15,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117743727] [2024-11-09 03:09:15,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:09:15,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 03:10:33,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:10:34,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:10:34,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:10:34,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 03:10:34,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:10:35,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 03:10:35,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:10:35,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:10:35,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:10:35,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 03:10:35,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:10:35,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 03:10:35,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:10:35,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 03:10:35,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:10:35,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 03:10:35,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:10:35,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-09 03:10:35,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:10:35,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-09 03:10:35,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:10:35,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-09 03:10:35,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:10:35,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-09 03:10:35,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:10:35,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-09 03:10:35,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:10:35,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-09 03:10:35,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:10:35,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:10:35,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:10:35,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 03:10:35,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:10:35,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 03:10:35,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:10:35,426 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2024-11-09 03:10:35,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 03:10:35,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117743727] [2024-11-09 03:10:35,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117743727] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 03:10:35,428 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 03:10:35,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 03:10:35,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064943253] [2024-11-09 03:10:35,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 03:10:35,434 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 03:10:35,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 03:10:35,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 03:10:35,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 03:10:35,460 INFO L87 Difference]: Start difference. First operand has 134 states, 81 states have (on average 1.2345679012345678) internal successors, (100), 82 states have internal predecessors, (100), 40 states have call successors, (40), 11 states have call predecessors, (40), 11 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (18), 4 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-09 03:10:39,669 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers []