./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_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_eq_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 f4877cca40595980101fbb98f82b1b3f363016b57821c488c5d2a98ecc206f92 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 03:08:58,619 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 03:08:58,705 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-09 03:08:58,709 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 03:08:58,710 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 03:08:58,730 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 03:08:58,731 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 03:08:58,732 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 03:08:58,732 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 03:08:58,733 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 03:08:58,734 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 03:08:58,734 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 03:08:58,735 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 03:08:58,737 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 03:08:58,737 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 03:08:58,737 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 03:08:58,738 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 03:08:58,738 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 03:08:58,738 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 03:08:58,738 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 03:08:58,739 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 03:08:58,740 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 03:08:58,741 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 03:08:58,741 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 03:08:58,741 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 03:08:58,741 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 03:08:58,742 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 03:08:58,742 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 03:08:58,742 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 03:08:58,742 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:08:58,743 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 03:08:58,743 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 03:08:58,743 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 03:08:58,743 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 03:08:58,744 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 03:08:58,744 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 03:08:58,744 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 03:08:58,745 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 03:08:58,745 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 03:08:58,745 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f4877cca40595980101fbb98f82b1b3f363016b57821c488c5d2a98ecc206f92 [2024-11-09 03:08:59,014 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 03:08:59,038 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 03:08:59,042 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 03:08:59,043 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 03:08:59,044 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 03:08:59,045 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_harness.i [2024-11-09 03:09:00,411 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 03:09:00,876 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 03:09:00,877 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_harness.i [2024-11-09 03:09:00,927 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7b2d91b8/28a787a8a5cc46aba5916a2cd8de2f10/FLAGbb0d8e570 [2024-11-09 03:09:00,939 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7b2d91b8/28a787a8a5cc46aba5916a2cd8de2f10 [2024-11-09 03:09:00,942 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 03:09:00,943 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 03:09:00,946 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 03:09:00,946 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 03:09:00,952 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 03:09:00,952 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:09:00" (1/1) ... [2024-11-09 03:09:00,953 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dc97ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:09:00, skipping insertion in model container [2024-11-09 03:09:00,953 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:09:00" (1/1) ... [2024-11-09 03:09:01,080 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 03:09:01,349 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.i[4492,4505] [2024-11-09 03:09:01,357 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.i[4552,4565] [2024-11-09 03:09:02,006 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:09:02,007 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:09:02,008 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:09:02,008 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:09:02,009 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:09:02,027 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:09:02,030 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:09:02,032 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:09:02,033 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:09:02,509 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:09:02,509 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:09:02,570 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:09:02,634 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 03:09:02,653 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.i[4492,4505] [2024-11-09 03:09:02,655 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.i[4552,4565] [2024-11-09 03:09:02,706 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:09:02,706 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:09:02,707 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:09:02,707 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:09:02,707 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:09:02,717 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:09:02,717 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:09:02,718 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:09:02,719 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:09:02,875 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8277] [2024-11-09 03:09:02,877 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:09:02,877 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:09:02,888 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8763-8774] [2024-11-09 03:09:02,901 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:09:03,076 INFO L204 MainTranslator]: Completed translation [2024-11-09 03:09:03,077 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:09:03 WrapperNode [2024-11-09 03:09:03,077 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 03:09:03,078 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 03:09:03,078 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 03:09:03,078 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 03:09:03,084 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:09:03" (1/1) ... [2024-11-09 03:09:03,187 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:09:03" (1/1) ... [2024-11-09 03:09:03,280 INFO L138 Inliner]: procedures = 680, calls = 2648, calls flagged for inlining = 60, calls inlined = 6, statements flattened = 880 [2024-11-09 03:09:03,281 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 03:09:03,282 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 03:09:03,282 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 03:09:03,282 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 03:09:03,293 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:09:03" (1/1) ... [2024-11-09 03:09:03,294 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:09:03" (1/1) ... [2024-11-09 03:09:03,309 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:09:03" (1/1) ... [2024-11-09 03:09:03,403 INFO L175 MemorySlicer]: Split 550 memory accesses to 7 slices as follows [2, 6, 257, 238, 38, 4, 5]. 47 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 0, 6, 4, 0, 5]. The 494 writes are split as follows [0, 2, 257, 232, 3, 0, 0]. [2024-11-09 03:09:03,403 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:09:03" (1/1) ... [2024-11-09 03:09:03,404 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:09:03" (1/1) ... [2024-11-09 03:09:03,454 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:09:03" (1/1) ... [2024-11-09 03:09:03,460 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:09:03" (1/1) ... [2024-11-09 03:09:03,477 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:09:03" (1/1) ... [2024-11-09 03:09:03,489 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:09:03" (1/1) ... [2024-11-09 03:09:03,508 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 03:09:03,510 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 03:09:03,510 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 03:09:03,511 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 03:09:03,512 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:09:03" (1/1) ... [2024-11-09 03:09:03,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:09:03,582 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 03:09:03,613 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 03:09:03,629 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 03:09:03,721 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-09 03:09:03,722 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-09 03:09:03,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 03:09:03,723 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-09 03:09:03,723 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-09 03:09:03,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-09 03:09:03,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-09 03:09:03,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-09 03:09:03,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-09 03:09:03,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-09 03:09:03,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-09 03:09:03,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-09 03:09:03,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 03:09:03,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 03:09:03,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-09 03:09:03,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-09 03:09:03,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-09 03:09:03,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-09 03:09:03,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-09 03:09:03,749 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_bounded [2024-11-09 03:09:03,750 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_bounded [2024-11-09 03:09:03,750 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 03:09:03,750 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 03:09:03,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 03:09:03,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 03:09:03,750 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2024-11-09 03:09:03,751 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2024-11-09 03:09:03,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-09 03:09:03,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-09 03:09:03,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-09 03:09:03,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-09 03:09:03,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-09 03:09:03,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-09 03:09:03,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-09 03:09:03,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 03:09:03,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 03:09:03,755 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-09 03:09:03,755 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-09 03:09:03,755 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-09 03:09:03,755 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-09 03:09:03,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-09 03:09:03,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-09 03:09:03,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-09 03:09:03,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-09 03:09:03,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-09 03:09:03,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-09 03:09:03,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-09 03:09:03,755 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 03:09:03,756 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 03:09:03,756 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 03:09:03,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-09 03:09:03,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-09 03:09:03,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-09 03:09:03,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-09 03:09:03,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-09 03:09:03,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-09 03:09:03,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-09 03:09:03,758 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2024-11-09 03:09:03,758 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2024-11-09 03:09:03,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-09 03:09:03,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-09 03:09:03,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-09 03:09:03,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-09 03:09:03,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-09 03:09:03,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-09 03:09:03,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-09 03:09:03,762 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-09 03:09:03,762 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-09 03:09:03,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 03:09:03,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 03:09:03,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-09 03:09:03,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-09 03:09:03,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-09 03:09:03,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-09 03:09:03,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-09 03:09:03,763 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_cursor_has_allocated_buffer_member [2024-11-09 03:09:03,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_cursor_has_allocated_buffer_member [2024-11-09 03:09:03,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 03:09:03,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 03:09:03,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 03:09:03,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-09 03:09:03,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-09 03:09:03,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-09 03:09:03,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-09 03:09:04,085 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 03:09:04,088 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 03:09:12,220 INFO L? ?]: Removed 89 outVars from TransFormulas that were not future-live. [2024-11-09 03:09:12,220 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 03:09:12,238 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 03:09:12,239 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 03:09:12,241 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:09:12 BoogieIcfgContainer [2024-11-09 03:09:12,241 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 03:09:12,245 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 03:09:12,248 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 03:09:12,253 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 03:09:12,253 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 03:09:00" (1/3) ... [2024-11-09 03:09:12,254 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b209ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:09:12, skipping insertion in model container [2024-11-09 03:09:12,254 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:09:03" (2/3) ... [2024-11-09 03:09:12,255 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b209ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:09:12, skipping insertion in model container [2024-11-09 03:09:12,255 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:09:12" (3/3) ... [2024-11-09 03:09:12,260 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_eq_harness.i [2024-11-09 03:09:12,276 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 03:09:12,276 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 03:09:12,337 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 03:09:12,344 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;@7001a61, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 03:09:12,344 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 03:09:12,349 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 03:09:12,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-09 03:09:12,367 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:09:12,368 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 03:09:12,368 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:09:12,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:09:12,374 INFO L85 PathProgramCache]: Analyzing trace with hash -239771141, now seen corresponding path program 1 times [2024-11-09 03:09:12,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:09:12,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920455129] [2024-11-09 03:09:12,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:09:12,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 03:10:27,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:10:28,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:10:28,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:10:28,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 03:10:28,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:10:29,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 03:10:29,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:10:29,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:10:29,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:10:29,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 03:10:29,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:10:29,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 03:10:29,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:10:29,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 03:10:29,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:10:29,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 03:10:29,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:10:29,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-09 03:10:29,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:10:29,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-09 03:10:29,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:10:29,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-09 03:10:29,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:10:29,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-09 03:10:29,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:10:29,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-09 03:10:29,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:10:29,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-09 03:10:29,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:10:29,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:10:29,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:10:29,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 03:10:29,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:10:29,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 03:10:29,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:10:29,421 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 03:10:29,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 03:10:29,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920455129] [2024-11-09 03:10:29,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920455129] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 03:10:29,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 03:10:29,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 03:10:29,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538898475] [2024-11-09 03:10:29,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 03:10:29,431 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 03:10:29,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 03:10:29,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 03:10:29,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 03:10:29,461 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 03:10:33,658 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 03:10:36,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 03:10:36,825 INFO L93 Difference]: Finished difference Result 267 states and 385 transitions. [2024-11-09 03:10:36,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 03:10:36,827 INFO L78 Accepts]: Start accepts. Automaton has 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) Word has length 102 [2024-11-09 03:10:36,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 03:10:36,836 INFO L225 Difference]: With dead ends: 267 [2024-11-09 03:10:36,836 INFO L226 Difference]: Without dead ends: 131 [2024-11-09 03:10:36,840 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 42 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 03:10:36,845 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 110 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 90 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2024-11-09 03:10:36,847 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 175 Invalid, 254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 163 Invalid, 1 Unknown, 0 Unchecked, 6.9s Time] [2024-11-09 03:10:36,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2024-11-09 03:10:36,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 128. [2024-11-09 03:10:36,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 76 states have (on average 1.2105263157894737) internal successors, (92), 77 states have internal predecessors, (92), 40 states have call successors, (40), 11 states have call predecessors, (40), 11 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-09 03:10:36,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 171 transitions. [2024-11-09 03:10:36,904 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 171 transitions. Word has length 102 [2024-11-09 03:10:36,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 03:10:36,904 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 171 transitions. [2024-11-09 03:10:36,905 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has 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 03:10:36,905 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 171 transitions. [2024-11-09 03:10:36,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-09 03:10:36,908 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:10:36,909 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 03:10:36,909 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 03:10:36,909 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:10:36,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:10:36,910 INFO L85 PathProgramCache]: Analyzing trace with hash 1414407603, now seen corresponding path program 1 times [2024-11-09 03:10:36,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:10:36,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887535327] [2024-11-09 03:10:36,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:10:36,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms