./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_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 fa640d76b01d20471995032e33acbe8cd362fa74ac26bb02247b6be5b51a4b6c --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 03:07:46,393 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 03:07:46,465 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-09 03:07:46,472 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 03:07:46,472 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 03:07:46,503 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 03:07:46,504 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 03:07:46,505 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 03:07:46,505 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 03:07:46,507 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 03:07:46,508 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 03:07:46,508 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 03:07:46,509 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 03:07:46,509 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 03:07:46,510 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 03:07:46,510 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 03:07:46,513 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 03:07:46,514 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 03:07:46,514 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 03:07:46,514 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 03:07:46,515 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 03:07:46,516 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 03:07:46,516 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 03:07:46,516 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 03:07:46,516 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 03:07:46,517 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 03:07:46,517 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 03:07:46,518 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 03:07:46,518 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 03:07:46,518 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:07:46,518 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 03:07:46,519 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 03:07:46,519 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 03:07:46,519 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 03:07:46,519 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 03:07:46,520 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 03:07:46,520 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 03:07:46,520 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 03:07:46,521 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 03:07:46,522 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa640d76b01d20471995032e33acbe8cd362fa74ac26bb02247b6be5b51a4b6c [2024-11-09 03:07:46,820 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 03:07:46,849 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 03:07:46,852 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 03:07:46,854 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 03:07:46,854 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 03:07:46,856 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_harness.i [2024-11-09 03:07:48,391 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 03:07:48,862 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 03:07:48,863 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_harness.i [2024-11-09 03:07:48,913 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a5e8e68c/0f937dac48854aacaaef2d1016bb1942/FLAGc2204b2c8 [2024-11-09 03:07:48,962 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a5e8e68c/0f937dac48854aacaaef2d1016bb1942 [2024-11-09 03:07:48,965 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 03:07:48,966 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 03:07:48,967 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 03:07:48,968 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 03:07:48,974 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 03:07:48,975 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:07:48" (1/1) ... [2024-11-09 03:07:48,976 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35de73fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:07:48, skipping insertion in model container [2024-11-09 03:07:48,976 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:07:48" (1/1) ... [2024-11-09 03:07:49,085 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 03:07:49,390 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_compare_lexical_harness.i[4505,4518] [2024-11-09 03:07:49,401 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_compare_lexical_harness.i[4565,4578] [2024-11-09 03:07:50,289 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:07:50,290 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:07:50,290 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:07:50,291 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:07:50,292 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:07:50,306 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:07:50,306 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:07:50,308 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:07:50,309 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:07:50,925 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:07:50,926 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:07:51,007 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:07:51,088 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 03:07:51,108 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_compare_lexical_harness.i[4505,4518] [2024-11-09 03:07:51,109 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_compare_lexical_harness.i[4565,4578] [2024-11-09 03:07:51,152 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:07:51,153 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:07:51,153 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:07:51,154 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:07:51,154 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:07:51,159 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:07:51,160 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:07:51,161 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:07:51,161 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:07:51,295 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8277] [2024-11-09 03:07:51,299 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:07:51,300 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:07:51,312 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8763-8774] [2024-11-09 03:07:51,333 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:07:51,550 INFO L204 MainTranslator]: Completed translation [2024-11-09 03:07:51,551 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:07:51 WrapperNode [2024-11-09 03:07:51,551 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 03:07:51,552 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 03:07:51,552 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 03:07:51,552 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 03:07:51,560 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:07:51" (1/1) ... [2024-11-09 03:07:51,636 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:07:51" (1/1) ... [2024-11-09 03:07:51,759 INFO L138 Inliner]: procedures = 680, calls = 2654, calls flagged for inlining = 59, calls inlined = 6, statements flattened = 928 [2024-11-09 03:07:51,760 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 03:07:51,760 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 03:07:51,760 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 03:07:51,761 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 03:07:51,772 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:07:51" (1/1) ... [2024-11-09 03:07:51,772 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:07:51" (1/1) ... [2024-11-09 03:07:51,791 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:07:51" (1/1) ... [2024-11-09 03:07:51,879 INFO L175 MemorySlicer]: Split 558 memory accesses to 7 slices as follows [2, 4, 6, 257, 46, 238, 5]. 46 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 0, 0, 4, 6, 5]. The 494 writes are split as follows [0, 0, 2, 257, 3, 232, 0]. [2024-11-09 03:07:51,883 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:07:51" (1/1) ... [2024-11-09 03:07:51,884 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:07:51" (1/1) ... [2024-11-09 03:07:51,929 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:07:51" (1/1) ... [2024-11-09 03:07:51,932 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:07:51" (1/1) ... [2024-11-09 03:07:51,939 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:07:51" (1/1) ... [2024-11-09 03:07:51,953 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:07:51" (1/1) ... [2024-11-09 03:07:51,973 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 03:07:51,974 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 03:07:51,978 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 03:07:51,978 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 03:07:51,979 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:07:51" (1/1) ... [2024-11-09 03:07:51,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:07:52,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 03:07:52,027 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 03:07:52,031 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 03:07:52,076 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-09 03:07:52,077 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-09 03:07:52,078 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_compare_lexical [2024-11-09 03:07:52,078 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_compare_lexical [2024-11-09 03:07:52,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 03:07:52,079 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-09 03:07:52,079 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-09 03:07:52,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-09 03:07:52,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-09 03:07:52,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-09 03:07:52,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-09 03:07:52,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-09 03:07:52,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-09 03:07:52,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-09 03:07:52,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 03:07:52,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 03:07:52,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-09 03:07:52,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-09 03:07:52,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-09 03:07:52,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-09 03:07:52,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-09 03:07:52,081 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_bounded [2024-11-09 03:07:52,081 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_bounded [2024-11-09 03:07:52,082 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 03:07:52,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 03:07:52,082 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 03:07:52,082 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 03:07:52,082 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2024-11-09 03:07:52,082 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2024-11-09 03:07:52,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-09 03:07:52,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-09 03:07:52,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-09 03:07:52,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-09 03:07:52,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-09 03:07:52,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-09 03:07:52,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-09 03:07:52,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 03:07:52,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 03:07:52,083 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-09 03:07:52,083 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-09 03:07:52,084 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-09 03:07:52,084 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-09 03:07:52,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-09 03:07:52,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-09 03:07:52,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-09 03:07:52,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-09 03:07:52,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-09 03:07:52,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-09 03:07:52,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-09 03:07:52,085 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 03:07:52,085 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 03:07:52,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 03:07:52,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-09 03:07:52,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-09 03:07:52,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-09 03:07:52,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-09 03:07:52,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-09 03:07:52,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-09 03:07:52,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-09 03:07:52,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-09 03:07:52,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-09 03:07:52,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-09 03:07:52,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-09 03:07:52,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-09 03:07:52,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-09 03:07:52,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-09 03:07:52,088 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-09 03:07:52,088 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-09 03:07:52,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 03:07:52,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 03:07:52,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-09 03:07:52,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-09 03:07:52,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-09 03:07:52,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-09 03:07:52,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-09 03:07:52,090 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_cursor_has_allocated_buffer_member [2024-11-09 03:07:52,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_cursor_has_allocated_buffer_member [2024-11-09 03:07:52,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 03:07:52,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 03:07:52,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 03:07:52,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-09 03:07:52,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-09 03:07:52,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-09 03:07:52,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-09 03:07:52,449 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 03:07:52,453 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 03:08:01,294 INFO L? ?]: Removed 95 outVars from TransFormulas that were not future-live. [2024-11-09 03:08:01,295 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 03:08:01,311 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 03:08:01,311 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 03:08:01,312 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:08:01 BoogieIcfgContainer [2024-11-09 03:08:01,312 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 03:08:01,315 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 03:08:01,315 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 03:08:01,318 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 03:08:01,318 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 03:07:48" (1/3) ... [2024-11-09 03:08:01,319 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47c342dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:08:01, skipping insertion in model container [2024-11-09 03:08:01,319 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:07:51" (2/3) ... [2024-11-09 03:08:01,321 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47c342dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:08:01, skipping insertion in model container [2024-11-09 03:08:01,322 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:08:01" (3/3) ... [2024-11-09 03:08:01,323 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_compare_lexical_harness.i [2024-11-09 03:08:01,339 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 03:08:01,340 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 03:08:01,414 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 03:08:01,421 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;@e3b9e24, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 03:08:01,423 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 03:08:01,429 INFO L276 IsEmpty]: Start isEmpty. Operand has 149 states, 90 states have (on average 1.2222222222222223) internal successors, (110), 91 states have internal predecessors, (110), 46 states have call successors, (46), 11 states have call predecessors, (46), 11 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-09 03:08:01,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-09 03:08:01,448 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:08:01,449 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 03:08:01,450 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:08:01,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:08:01,456 INFO L85 PathProgramCache]: Analyzing trace with hash -1411432407, now seen corresponding path program 1 times [2024-11-09 03:08:01,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:08:01,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644085314] [2024-11-09 03:08:01,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:08:01,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 03:09:15,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:09:16,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:09:16,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:09:16,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 03:09:16,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:09:16,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 03:09:16,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:09:16,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:09:16,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:09:16,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 03:09:16,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:09:16,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 03:09:16,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:09:16,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 03:09:16,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:09:16,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 03:09:16,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:09:16,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-09 03:09:16,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:09:16,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-09 03:09:16,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:09:16,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-09 03:09:16,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:09:16,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-09 03:09:16,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:09:16,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 03:09:16,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:09:16,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-09 03:09:16,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:09:16,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-09 03:09:16,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:09:16,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-09 03:09:16,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:09:16,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-09 03:09:16,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:09:16,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-09 03:09:16,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:09:16,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-09 03:09:16,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:09:17,007 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2024-11-09 03:09:17,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 03:09:17,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644085314] [2024-11-09 03:09:17,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644085314] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 03:09:17,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 03:09:17,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 03:09:17,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105076916] [2024-11-09 03:09:17,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 03:09:17,018 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 03:09:17,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 03:09:17,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 03:09:17,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 03:09:17,051 INFO L87 Difference]: Start difference. First operand has 149 states, 90 states have (on average 1.2222222222222223) internal successors, (110), 91 states have internal predecessors, (110), 46 states have call successors, (46), 11 states have call predecessors, (46), 11 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (21), 4 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-09 03:09:21,281 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 03:09:24,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 03:09:24,986 INFO L93 Difference]: Finished difference Result 297 states and 435 transitions. [2024-11-09 03:09:24,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 03:09:24,989 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (21), 4 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 120 [2024-11-09 03:09:24,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 03:09:25,001 INFO L225 Difference]: With dead ends: 297 [2024-11-09 03:09:25,001 INFO L226 Difference]: Without dead ends: 146 [2024-11-09 03:09:25,007 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 03:09:25,012 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 132 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 122 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2024-11-09 03:09:25,014 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 163 Invalid, 310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [122 Valid, 187 Invalid, 1 Unknown, 0 Unchecked, 7.4s Time] [2024-11-09 03:09:25,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2024-11-09 03:09:25,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 143. [2024-11-09 03:09:25,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 85 states have (on average 1.2) internal successors, (102), 86 states have internal predecessors, (102), 46 states have call successors, (46), 11 states have call predecessors, (46), 11 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-09 03:09:25,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 193 transitions. [2024-11-09 03:09:25,084 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 193 transitions. Word has length 120 [2024-11-09 03:09:25,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 03:09:25,085 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 193 transitions. [2024-11-09 03:09:25,085 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (21), 4 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-09 03:09:25,086 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 193 transitions. [2024-11-09 03:09:25,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-09 03:09:25,089 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:09:25,089 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 03:09:25,089 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 03:09:25,090 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:09:25,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:09:25,091 INFO L85 PathProgramCache]: Analyzing trace with hash -1331612261, now seen corresponding path program 1 times [2024-11-09 03:09:25,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:09:25,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628077053] [2024-11-09 03:09:25,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:09:25,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms