./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_down_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_down_harness.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 1d3eb02e894c2acef7732d0e57c112cc2c197f8f03d7c13822f169fbed4dc5e5 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 14:48:21,662 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 14:48:21,744 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-11 14:48:21,752 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 14:48:21,752 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 14:48:21,775 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 14:48:21,776 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 14:48:21,777 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 14:48:21,778 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 14:48:21,779 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 14:48:21,780 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 14:48:21,780 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 14:48:21,780 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 14:48:21,781 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 14:48:21,783 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 14:48:21,784 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 14:48:21,784 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 14:48:21,784 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 14:48:21,784 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 14:48:21,785 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 14:48:21,785 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 14:48:21,786 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 14:48:21,786 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 14:48:21,790 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 14:48:21,790 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 14:48:21,791 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 14:48:21,791 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 14:48:21,791 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 14:48:21,791 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 14:48:21,791 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 14:48:21,792 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 14:48:21,792 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 14:48:21,792 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 14:48:21,792 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 14:48:21,792 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 14:48:21,793 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 14:48:21,793 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 14:48:21,793 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 14:48:21,793 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 14:48:21,794 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1d3eb02e894c2acef7732d0e57c112cc2c197f8f03d7c13822f169fbed4dc5e5 [2024-10-11 14:48:22,069 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 14:48:22,093 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 14:48:22,096 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 14:48:22,097 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 14:48:22,098 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 14:48:22,099 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_down_harness.i [2024-10-11 14:48:23,560 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 14:48:23,982 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 14:48:23,982 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_down_harness.i [2024-10-11 14:48:24,032 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/2ee318cf9/f132c2dd3af84475b653b66dd8e5dc04/FLAGd4c6b9f11 [2024-10-11 14:48:24,050 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/2ee318cf9/f132c2dd3af84475b653b66dd8e5dc04 [2024-10-11 14:48:24,054 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 14:48:24,055 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 14:48:24,058 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 14:48:24,058 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 14:48:24,064 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 14:48:24,064 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:48:24" (1/1) ... [2024-10-11 14:48:24,065 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23a88aee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:48:24, skipping insertion in model container [2024-10-11 14:48:24,066 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:48:24" (1/1) ... [2024-10-11 14:48:24,170 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 14:48:24,434 WARN L248 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_priority_queue_s_sift_down_harness.i[4504,4517] [2024-10-11 14:48:24,442 WARN L248 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_priority_queue_s_sift_down_harness.i[4564,4577] [2024-10-11 14:48:25,061 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:25,062 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:25,063 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:25,064 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:25,065 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:25,081 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:25,082 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:25,084 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:25,086 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:25,088 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:25,089 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:25,090 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:25,091 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:25,509 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:25,510 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:25,515 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:25,522 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:25,590 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:25,591 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:25,591 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:25,591 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:25,592 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:25,592 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:25,593 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:25,594 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:25,594 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:25,594 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:25,594 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:25,595 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:25,595 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:25,598 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:25,599 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:25,599 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:25,599 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:25,602 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:25,603 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:25,609 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:25,610 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:25,610 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:25,631 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 14:48:25,669 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 14:48:25,684 WARN L248 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_priority_queue_s_sift_down_harness.i[4504,4517] [2024-10-11 14:48:25,685 WARN L248 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_priority_queue_s_sift_down_harness.i[4564,4577] [2024-10-11 14:48:25,725 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:25,727 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:25,727 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:25,728 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:25,729 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:25,737 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:25,738 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:25,739 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:25,739 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:25,740 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:25,741 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:25,741 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:25,742 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:25,862 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:25,862 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:25,866 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:25,873 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:25,878 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7776-7787] [2024-10-11 14:48:25,899 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:25,899 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:25,900 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:25,901 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:25,902 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:25,902 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:25,903 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:25,903 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:25,903 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:25,904 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:25,904 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:25,904 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:25,904 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:25,905 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:25,905 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:25,906 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:25,906 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:25,908 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:25,909 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:25,914 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:25,916 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:25,917 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:25,925 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 14:48:26,167 INFO L204 MainTranslator]: Completed translation [2024-10-11 14:48:26,167 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:48:26 WrapperNode [2024-10-11 14:48:26,167 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 14:48:26,168 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 14:48:26,168 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 14:48:26,168 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 14:48:26,176 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:48:26" (1/1) ... [2024-10-11 14:48:26,257 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:48:26" (1/1) ... [2024-10-11 14:48:26,343 INFO L138 Inliner]: procedures = 686, calls = 1894, calls flagged for inlining = 59, calls inlined = 14, statements flattened = 846 [2024-10-11 14:48:26,344 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 14:48:26,346 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 14:48:26,346 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 14:48:26,346 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 14:48:26,356 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:48:26" (1/1) ... [2024-10-11 14:48:26,356 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:48:26" (1/1) ... [2024-10-11 14:48:26,371 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:48:26" (1/1) ... [2024-10-11 14:48:26,470 INFO L175 MemorySlicer]: Split 338 memory accesses to 6 slices as follows [236, 2, 64, 15, 18, 3]. 70 percent of accesses are in the largest equivalence class. The 259 initializations are split as follows [236, 2, 11, 4, 5, 1]. The 14 writes are split as follows [0, 0, 4, 3, 6, 1]. [2024-10-11 14:48:26,470 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:48:26" (1/1) ... [2024-10-11 14:48:26,470 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:48:26" (1/1) ... [2024-10-11 14:48:26,553 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:48:26" (1/1) ... [2024-10-11 14:48:26,570 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:48:26" (1/1) ... [2024-10-11 14:48:26,583 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:48:26" (1/1) ... [2024-10-11 14:48:26,596 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:48:26" (1/1) ... [2024-10-11 14:48:26,620 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 14:48:26,621 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 14:48:26,622 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 14:48:26,622 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 14:48:26,623 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:48:26" (1/1) ... [2024-10-11 14:48:26,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 14:48:26,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 14:48:26,655 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 14:48:26,661 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 14:48:26,705 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2024-10-11 14:48:26,705 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2024-10-11 14:48:26,706 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-10-11 14:48:26,706 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-10-11 14:48:26,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-11 14:48:26,706 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-10-11 14:48:26,706 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-10-11 14:48:26,706 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-10-11 14:48:26,707 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-10-11 14:48:26,707 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-10-11 14:48:26,707 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-10-11 14:48:26,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-11 14:48:26,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-11 14:48:26,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-11 14:48:26,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-11 14:48:26,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-11 14:48:26,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-11 14:48:26,708 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-10-11 14:48:26,708 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-10-11 14:48:26,708 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-11 14:48:26,709 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-11 14:48:26,709 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-11 14:48:26,709 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 14:48:26,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-11 14:48:26,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-11 14:48:26,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-11 14:48:26,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-11 14:48:26,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-11 14:48:26,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-11 14:48:26,711 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-10-11 14:48:26,711 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-10-11 14:48:26,711 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 14:48:26,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 14:48:26,711 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-10-11 14:48:26,711 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-10-11 14:48:26,711 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-10-11 14:48:26,711 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-10-11 14:48:26,711 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-10-11 14:48:26,711 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-10-11 14:48:26,711 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-10-11 14:48:26,711 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-10-11 14:48:26,712 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-10-11 14:48:26,712 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-10-11 14:48:26,712 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2024-10-11 14:48:26,712 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2024-10-11 14:48:26,712 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 14:48:26,712 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 14:48:26,712 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-10-11 14:48:26,712 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-10-11 14:48:26,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-11 14:48:26,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-11 14:48:26,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-11 14:48:26,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-11 14:48:26,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-11 14:48:26,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-11 14:48:26,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-11 14:48:26,713 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_down [2024-10-11 14:48:26,713 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_down [2024-10-11 14:48:26,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-11 14:48:26,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-11 14:48:26,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-11 14:48:26,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-11 14:48:26,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-11 14:48:26,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-11 14:48:26,713 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2024-10-11 14:48:26,713 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2024-10-11 14:48:26,713 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-10-11 14:48:26,713 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-10-11 14:48:26,713 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-10-11 14:48:26,713 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-10-11 14:48:26,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-11 14:48:26,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-11 14:48:26,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-11 14:48:26,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-11 14:48:26,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-11 14:48:26,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-11 14:48:26,714 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-10-11 14:48:26,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-10-11 14:48:26,714 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2024-10-11 14:48:26,718 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2024-10-11 14:48:26,718 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-10-11 14:48:26,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-10-11 14:48:26,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 14:48:26,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-11 14:48:26,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-11 14:48:26,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-11 14:48:26,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-11 14:48:26,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-11 14:48:27,034 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 14:48:27,036 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 14:48:28,064 INFO L? ?]: Removed 204 outVars from TransFormulas that were not future-live. [2024-10-11 14:48:28,065 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 14:48:28,177 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 14:48:28,178 INFO L314 CfgBuilder]: Removed 5 assume(true) statements. [2024-10-11 14:48:28,178 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:48:28 BoogieIcfgContainer [2024-10-11 14:48:28,178 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 14:48:28,183 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 14:48:28,183 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 14:48:28,186 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 14:48:28,186 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:48:24" (1/3) ... [2024-10-11 14:48:28,187 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6781ec85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:48:28, skipping insertion in model container [2024-10-11 14:48:28,187 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:48:26" (2/3) ... [2024-10-11 14:48:28,187 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6781ec85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:48:28, skipping insertion in model container [2024-10-11 14:48:28,188 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:48:28" (3/3) ... [2024-10-11 14:48:28,189 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_s_sift_down_harness.i [2024-10-11 14:48:28,206 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 14:48:28,206 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 14:48:28,292 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 14:48:28,303 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;@527cdf80, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 14:48:28,304 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 14:48:28,309 INFO L276 IsEmpty]: Start isEmpty. Operand has 297 states, 168 states have (on average 1.2738095238095237) internal successors, (214), 169 states have internal predecessors, (214), 104 states have call successors, (104), 23 states have call predecessors, (104), 23 states have return successors, (104), 104 states have call predecessors, (104), 104 states have call successors, (104) [2024-10-11 14:48:28,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-10-11 14:48:28,328 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 14:48:28,329 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1] [2024-10-11 14:48:28,330 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 14:48:28,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 14:48:28,337 INFO L85 PathProgramCache]: Analyzing trace with hash -1471517544, now seen corresponding path program 1 times [2024-10-11 14:48:28,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 14:48:28,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807844124] [2024-10-11 14:48:28,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:48:28,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 14:48:28,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:28,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:48:28,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:28,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 14:48:28,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:28,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:48:28,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:28,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 14:48:28,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:29,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 14:48:29,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:29,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 14:48:29,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:29,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 14:48:29,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:29,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 14:48:29,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:29,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 14:48:29,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:29,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 14:48:29,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:29,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:48:29,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:29,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:48:29,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:29,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 14:48:29,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:29,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:48:29,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:29,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:48:29,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:29,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-11 14:48:29,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:29,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-11 14:48:29,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:29,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-11 14:48:29,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:29,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-11 14:48:29,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:29,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 14:48:29,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:29,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 14:48:29,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:29,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 14:48:29,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:29,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 14:48:29,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:29,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 14:48:29,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:29,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-11 14:48:29,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:29,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-11 14:48:29,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:29,373 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2024-10-11 14:48:29,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 14:48:29,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807844124] [2024-10-11 14:48:29,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807844124] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 14:48:29,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 14:48:29,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 14:48:29,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842374804] [2024-10-11 14:48:29,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 14:48:29,381 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 14:48:29,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 14:48:29,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 14:48:29,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 14:48:29,411 INFO L87 Difference]: Start difference. First operand has 297 states, 168 states have (on average 1.2738095238095237) internal successors, (214), 169 states have internal predecessors, (214), 104 states have call successors, (104), 23 states have call predecessors, (104), 23 states have return successors, (104), 104 states have call predecessors, (104), 104 states have call successors, (104) Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (27), 4 states have call predecessors, (27), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-10-11 14:48:31,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 14:48:31,429 INFO L93 Difference]: Finished difference Result 691 states and 1148 transitions. [2024-10-11 14:48:31,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 14:48:31,432 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (27), 4 states have call predecessors, (27), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 142 [2024-10-11 14:48:31,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 14:48:31,445 INFO L225 Difference]: With dead ends: 691 [2024-10-11 14:48:31,446 INFO L226 Difference]: Without dead ends: 412 [2024-10-11 14:48:31,455 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 14:48:31,458 INFO L432 NwaCegarLoop]: 187 mSDtfsCounter, 238 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 643 mSolverCounterSat, 401 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 1044 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 401 IncrementalHoareTripleChecker+Valid, 643 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-10-11 14:48:31,458 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [243 Valid, 331 Invalid, 1044 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [401 Valid, 643 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-10-11 14:48:31,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2024-10-11 14:48:31,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 295. [2024-10-11 14:48:31,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 167 states have (on average 1.2335329341317365) internal successors, (206), 168 states have internal predecessors, (206), 104 states have call successors, (104), 23 states have call predecessors, (104), 23 states have return successors, (103), 103 states have call predecessors, (103), 103 states have call successors, (103) [2024-10-11 14:48:31,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 413 transitions. [2024-10-11 14:48:31,573 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 413 transitions. Word has length 142 [2024-10-11 14:48:31,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 14:48:31,575 INFO L471 AbstractCegarLoop]: Abstraction has 295 states and 413 transitions. [2024-10-11 14:48:31,575 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (27), 4 states have call predecessors, (27), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-10-11 14:48:31,575 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 413 transitions. [2024-10-11 14:48:31,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-10-11 14:48:31,581 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 14:48:31,582 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1] [2024-10-11 14:48:31,582 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 14:48:31,584 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 14:48:31,585 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 14:48:31,585 INFO L85 PathProgramCache]: Analyzing trace with hash -1387246874, now seen corresponding path program 1 times [2024-10-11 14:48:31,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 14:48:31,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461074671] [2024-10-11 14:48:31,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:48:31,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 14:48:31,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:32,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:48:32,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:32,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 14:48:32,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:32,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:48:32,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:32,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 14:48:32,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:32,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 14:48:32,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:32,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 14:48:32,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:32,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 14:48:32,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:32,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 14:48:32,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:32,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 14:48:32,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:32,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 14:48:32,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:32,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:48:32,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:32,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:48:32,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:32,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 14:48:32,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:32,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:48:32,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:32,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:48:32,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:32,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-11 14:48:32,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:32,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-11 14:48:32,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:32,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-11 14:48:32,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:32,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-11 14:48:32,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:32,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 14:48:32,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:32,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 14:48:32,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:32,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 14:48:32,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:32,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 14:48:32,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:32,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 14:48:32,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:32,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-11 14:48:32,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:32,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-11 14:48:32,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:32,393 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2024-10-11 14:48:32,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 14:48:32,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461074671] [2024-10-11 14:48:32,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1461074671] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 14:48:32,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2121640505] [2024-10-11 14:48:32,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:48:32,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 14:48:32,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 14:48:32,396 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 14:48:32,398 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-11 14:48:32,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:32,918 INFO L255 TraceCheckSpWp]: Trace formula consists of 2293 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 14:48:32,928 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 14:48:33,028 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-10-11 14:48:33,029 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 14:48:33,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2121640505] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 14:48:33,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 14:48:33,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 10 [2024-10-11 14:48:33,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548803629] [2024-10-11 14:48:33,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 14:48:33,032 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 14:48:33,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 14:48:33,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 14:48:33,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-10-11 14:48:33,033 INFO L87 Difference]: Start difference. First operand 295 states and 413 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 3 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-10-11 14:48:33,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 14:48:33,290 INFO L93 Difference]: Finished difference Result 549 states and 773 transitions. [2024-10-11 14:48:33,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 14:48:33,290 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 3 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 142 [2024-10-11 14:48:33,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 14:48:33,297 INFO L225 Difference]: With dead ends: 549 [2024-10-11 14:48:33,297 INFO L226 Difference]: Without dead ends: 297 [2024-10-11 14:48:33,299 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-10-11 14:48:33,300 INFO L432 NwaCegarLoop]: 369 mSDtfsCounter, 22 mSDsluCounter, 1056 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 1425 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 14:48:33,300 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 1425 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 14:48:33,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2024-10-11 14:48:33,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 297. [2024-10-11 14:48:33,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 168 states have (on average 1.2321428571428572) internal successors, (207), 170 states have internal predecessors, (207), 104 states have call successors, (104), 23 states have call predecessors, (104), 24 states have return successors, (107), 103 states have call predecessors, (107), 103 states have call successors, (107) [2024-10-11 14:48:33,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 418 transitions. [2024-10-11 14:48:33,325 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 418 transitions. Word has length 142 [2024-10-11 14:48:33,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 14:48:33,326 INFO L471 AbstractCegarLoop]: Abstraction has 297 states and 418 transitions. [2024-10-11 14:48:33,326 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 3 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-10-11 14:48:33,326 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 418 transitions. [2024-10-11 14:48:33,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-10-11 14:48:33,330 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 14:48:33,330 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 7, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 14:48:33,356 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-11 14:48:33,531 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 14:48:33,532 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 14:48:33,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 14:48:33,532 INFO L85 PathProgramCache]: Analyzing trace with hash 1396222726, now seen corresponding path program 1 times [2024-10-11 14:48:33,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 14:48:33,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308364161] [2024-10-11 14:48:33,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:48:33,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 14:48:33,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:33,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:48:33,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:33,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 14:48:33,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:33,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:48:33,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:33,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 14:48:33,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:33,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 14:48:33,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:33,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 14:48:33,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:33,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 14:48:33,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:33,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 14:48:33,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:33,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 14:48:33,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:34,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 14:48:34,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:34,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:48:34,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:34,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:48:34,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:34,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 14:48:34,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:34,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:48:34,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:34,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:48:34,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:34,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-11 14:48:34,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:34,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:48:34,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:34,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 14:48:34,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:34,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 14:48:34,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:34,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 14:48:34,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:34,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 14:48:34,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:34,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-11 14:48:34,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:34,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-11 14:48:34,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:34,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 14:48:34,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:34,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 14:48:34,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:34,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 14:48:34,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:34,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-11 14:48:34,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:34,313 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2024-10-11 14:48:34,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 14:48:34,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308364161] [2024-10-11 14:48:34,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308364161] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 14:48:34,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [915982762] [2024-10-11 14:48:34,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:48:34,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 14:48:34,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 14:48:34,318 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 14:48:34,319 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-11 14:48:34,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:34,797 INFO L255 TraceCheckSpWp]: Trace formula consists of 2343 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-11 14:48:34,803 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 14:48:34,952 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-10-11 14:48:34,952 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 14:48:34,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [915982762] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 14:48:34,952 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 14:48:34,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2024-10-11 14:48:34,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978212829] [2024-10-11 14:48:34,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 14:48:34,954 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 14:48:34,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 14:48:34,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 14:48:34,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2024-10-11 14:48:34,956 INFO L87 Difference]: Start difference. First operand 297 states and 418 transitions. Second operand has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 4 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2024-10-11 14:48:35,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 14:48:35,473 INFO L93 Difference]: Finished difference Result 572 states and 820 transitions. [2024-10-11 14:48:35,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 14:48:35,474 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 4 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) Word has length 150 [2024-10-11 14:48:35,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 14:48:35,477 INFO L225 Difference]: With dead ends: 572 [2024-10-11 14:48:35,477 INFO L226 Difference]: Without dead ends: 318 [2024-10-11 14:48:35,479 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2024-10-11 14:48:35,480 INFO L432 NwaCegarLoop]: 376 mSDtfsCounter, 39 mSDsluCounter, 1791 mSDsCounter, 0 mSdLazyCounter, 384 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 2167 SdHoareTripleChecker+Invalid, 385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 384 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 14:48:35,480 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 2167 Invalid, 385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 384 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 14:48:35,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2024-10-11 14:48:35,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 316. [2024-10-11 14:48:35,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316 states, 184 states have (on average 1.2445652173913044) internal successors, (229), 186 states have internal predecessors, (229), 106 states have call successors, (106), 23 states have call predecessors, (106), 25 states have return successors, (120), 106 states have call predecessors, (120), 105 states have call successors, (120) [2024-10-11 14:48:35,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 455 transitions. [2024-10-11 14:48:35,510 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 455 transitions. Word has length 150 [2024-10-11 14:48:35,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 14:48:35,512 INFO L471 AbstractCegarLoop]: Abstraction has 316 states and 455 transitions. [2024-10-11 14:48:35,512 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 4 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2024-10-11 14:48:35,513 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 455 transitions. [2024-10-11 14:48:35,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-10-11 14:48:35,517 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 14:48:35,517 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 7, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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] [2024-10-11 14:48:35,538 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-11 14:48:35,718 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 14:48:35,718 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 14:48:35,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 14:48:35,719 INFO L85 PathProgramCache]: Analyzing trace with hash -964454930, now seen corresponding path program 1 times [2024-10-11 14:48:35,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 14:48:35,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526026776] [2024-10-11 14:48:35,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:48:35,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 14:48:35,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:36,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:48:36,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:36,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 14:48:36,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:36,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:48:36,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:36,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 14:48:36,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:36,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 14:48:36,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:36,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 14:48:36,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:36,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 14:48:36,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:36,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 14:48:36,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:36,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 14:48:36,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:36,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 14:48:36,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:36,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:48:36,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:36,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:48:36,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:36,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 14:48:36,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:36,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:48:36,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:36,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:48:36,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:36,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-11 14:48:36,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:36,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:48:36,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:36,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:48:36,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:36,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:48:36,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:36,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 14:48:36,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:36,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 14:48:36,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:36,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 14:48:36,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:36,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 14:48:36,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:36,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 14:48:36,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:36,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 14:48:36,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:36,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-11 14:48:36,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:36,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-11 14:48:36,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:36,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-11 14:48:36,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:36,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-11 14:48:36,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:36,766 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2024-10-11 14:48:36,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 14:48:36,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526026776] [2024-10-11 14:48:36,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526026776] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 14:48:36,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [193115236] [2024-10-11 14:48:36,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:48:36,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 14:48:36,767 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 14:48:36,769 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 14:48:36,770 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-11 14:48:37,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:37,283 INFO L255 TraceCheckSpWp]: Trace formula consists of 2478 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-11 14:48:37,289 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 14:48:37,398 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-10-11 14:48:37,398 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 14:48:37,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [193115236] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 14:48:37,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 14:48:37,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2024-10-11 14:48:37,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104419173] [2024-10-11 14:48:37,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 14:48:37,400 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 14:48:37,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 14:48:37,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 14:48:37,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-10-11 14:48:37,401 INFO L87 Difference]: Start difference. First operand 316 states and 455 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 4 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) [2024-10-11 14:48:37,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 14:48:37,680 INFO L93 Difference]: Finished difference Result 595 states and 864 transitions. [2024-10-11 14:48:37,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 14:48:37,681 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 4 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) Word has length 163 [2024-10-11 14:48:37,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 14:48:37,684 INFO L225 Difference]: With dead ends: 595 [2024-10-11 14:48:37,684 INFO L226 Difference]: Without dead ends: 322 [2024-10-11 14:48:37,686 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-10-11 14:48:37,687 INFO L432 NwaCegarLoop]: 363 mSDtfsCounter, 39 mSDsluCounter, 1372 mSDsCounter, 0 mSdLazyCounter, 256 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 1735 SdHoareTripleChecker+Invalid, 258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 14:48:37,688 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 1735 Invalid, 258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 256 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 14:48:37,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2024-10-11 14:48:37,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 316. [2024-10-11 14:48:37,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316 states, 184 states have (on average 1.2445652173913044) internal successors, (229), 186 states have internal predecessors, (229), 106 states have call successors, (106), 23 states have call predecessors, (106), 25 states have return successors, (120), 106 states have call predecessors, (120), 105 states have call successors, (120) [2024-10-11 14:48:37,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 455 transitions. [2024-10-11 14:48:37,718 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 455 transitions. Word has length 163 [2024-10-11 14:48:37,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 14:48:37,719 INFO L471 AbstractCegarLoop]: Abstraction has 316 states and 455 transitions. [2024-10-11 14:48:37,719 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 4 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) [2024-10-11 14:48:37,719 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 455 transitions. [2024-10-11 14:48:37,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-10-11 14:48:37,721 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 14:48:37,721 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 7, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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] [2024-10-11 14:48:37,740 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-11 14:48:37,924 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 14:48:37,925 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 14:48:37,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 14:48:37,925 INFO L85 PathProgramCache]: Analyzing trace with hash -1580314595, now seen corresponding path program 1 times [2024-10-11 14:48:37,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 14:48:37,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025638202] [2024-10-11 14:48:37,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:48:37,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 14:48:38,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:38,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:48:38,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:38,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 14:48:38,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:38,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:48:38,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:38,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 14:48:38,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:38,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 14:48:38,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:38,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 14:48:38,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:38,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 14:48:38,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:38,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 14:48:38,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:38,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 14:48:38,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:38,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 14:48:38,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:38,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:48:38,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:38,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:48:38,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:38,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 14:48:38,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:38,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:48:38,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:38,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:48:38,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:38,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-11 14:48:38,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:38,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:48:38,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:38,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:48:38,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:38,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:48:38,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:38,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 14:48:38,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:39,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-11 14:48:39,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:39,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-11 14:48:39,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:39,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 14:48:39,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:39,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-11 14:48:39,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:39,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-11 14:48:39,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:39,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-11 14:48:39,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:39,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 14:48:39,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:39,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-11 14:48:39,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:39,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-11 14:48:39,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:39,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-11 14:48:39,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:39,100 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2024-10-11 14:48:39,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 14:48:39,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025638202] [2024-10-11 14:48:39,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025638202] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 14:48:39,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [115014531] [2024-10-11 14:48:39,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:48:39,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 14:48:39,102 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 14:48:39,104 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 14:48:39,110 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-11 14:48:39,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:39,642 INFO L255 TraceCheckSpWp]: Trace formula consists of 2550 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-11 14:48:39,650 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 14:48:39,818 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-10-11 14:48:39,821 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 14:48:39,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [115014531] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 14:48:39,821 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 14:48:39,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [11] total 17 [2024-10-11 14:48:39,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770085526] [2024-10-11 14:48:39,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 14:48:39,823 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 14:48:39,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 14:48:39,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 14:48:39,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=239, Unknown=0, NotChecked=0, Total=272 [2024-10-11 14:48:39,824 INFO L87 Difference]: Start difference. First operand 316 states and 455 transitions. Second operand has 8 states, 8 states have (on average 9.875) internal successors, (79), 8 states have internal predecessors, (79), 5 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (28), 5 states have call predecessors, (28), 5 states have call successors, (28) [2024-10-11 14:48:40,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 14:48:40,504 INFO L93 Difference]: Finished difference Result 622 states and 903 transitions. [2024-10-11 14:48:40,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 14:48:40,505 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 8 states have internal predecessors, (79), 5 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (28), 5 states have call predecessors, (28), 5 states have call successors, (28) Word has length 179 [2024-10-11 14:48:40,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 14:48:40,509 INFO L225 Difference]: With dead ends: 622 [2024-10-11 14:48:40,510 INFO L226 Difference]: Without dead ends: 349 [2024-10-11 14:48:40,512 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2024-10-11 14:48:40,513 INFO L432 NwaCegarLoop]: 351 mSDtfsCounter, 61 mSDsluCounter, 2012 mSDsCounter, 0 mSdLazyCounter, 491 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 2363 SdHoareTripleChecker+Invalid, 494 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 491 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 14:48:40,513 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 2363 Invalid, 494 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 491 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 14:48:40,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2024-10-11 14:48:40,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 316. [2024-10-11 14:48:40,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316 states, 184 states have (on average 1.2445652173913044) internal successors, (229), 186 states have internal predecessors, (229), 106 states have call successors, (106), 23 states have call predecessors, (106), 25 states have return successors, (120), 106 states have call predecessors, (120), 105 states have call successors, (120) [2024-10-11 14:48:40,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 455 transitions. [2024-10-11 14:48:40,558 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 455 transitions. Word has length 179 [2024-10-11 14:48:40,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 14:48:40,559 INFO L471 AbstractCegarLoop]: Abstraction has 316 states and 455 transitions. [2024-10-11 14:48:40,559 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 8 states have internal predecessors, (79), 5 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (28), 5 states have call predecessors, (28), 5 states have call successors, (28) [2024-10-11 14:48:40,560 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 455 transitions. [2024-10-11 14:48:40,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-10-11 14:48:40,562 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 14:48:40,563 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 7, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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] [2024-10-11 14:48:40,586 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-11 14:48:40,763 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 14:48:40,764 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 14:48:40,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 14:48:40,765 INFO L85 PathProgramCache]: Analyzing trace with hash -1545876551, now seen corresponding path program 2 times [2024-10-11 14:48:40,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 14:48:40,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769825030] [2024-10-11 14:48:40,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:48:40,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 14:48:40,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:41,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:48:41,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:41,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 14:48:41,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:41,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:48:41,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:41,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 14:48:41,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:41,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 14:48:41,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:41,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 14:48:41,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:41,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 14:48:41,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:41,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 14:48:41,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:41,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 14:48:41,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:41,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 14:48:41,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:41,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:48:41,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:41,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:48:41,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:41,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 14:48:41,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:41,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:48:41,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:41,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:48:41,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:41,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-11 14:48:41,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:41,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:48:41,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:41,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:48:41,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:41,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:48:41,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:41,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 14:48:41,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:41,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:48:41,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:41,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:48:41,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:41,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-11 14:48:41,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:41,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-11 14:48:41,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:41,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-11 14:48:41,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:41,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 14:48:41,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:41,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 14:48:41,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:41,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 14:48:41,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:41,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-11 14:48:41,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:41,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 14:48:41,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:41,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-11 14:48:41,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:41,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 14:48:41,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:41,645 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2024-10-11 14:48:41,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 14:48:41,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769825030] [2024-10-11 14:48:41,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1769825030] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 14:48:41,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 14:48:41,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-11 14:48:41,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378874654] [2024-10-11 14:48:41,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 14:48:41,647 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 14:48:41,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 14:48:41,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 14:48:41,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-10-11 14:48:41,648 INFO L87 Difference]: Start difference. First operand 316 states and 455 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 6 states have internal predecessors, (70), 4 states have call successors, (31), 6 states have call predecessors, (31), 2 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) [2024-10-11 14:48:43,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 14:48:43,825 INFO L93 Difference]: Finished difference Result 673 states and 1019 transitions. [2024-10-11 14:48:43,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 14:48:43,825 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 6 states have internal predecessors, (70), 4 states have call successors, (31), 6 states have call predecessors, (31), 2 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) Word has length 192 [2024-10-11 14:48:43,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 14:48:43,829 INFO L225 Difference]: With dead ends: 673 [2024-10-11 14:48:43,829 INFO L226 Difference]: Without dead ends: 430 [2024-10-11 14:48:43,830 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2024-10-11 14:48:43,831 INFO L432 NwaCegarLoop]: 196 mSDtfsCounter, 430 mSDsluCounter, 773 mSDsCounter, 0 mSdLazyCounter, 1933 mSolverCounterSat, 620 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 442 SdHoareTripleChecker+Valid, 969 SdHoareTripleChecker+Invalid, 2553 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 620 IncrementalHoareTripleChecker+Valid, 1933 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-10-11 14:48:43,831 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [442 Valid, 969 Invalid, 2553 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [620 Valid, 1933 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-10-11 14:48:43,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2024-10-11 14:48:43,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 318. [2024-10-11 14:48:43,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 185 states have (on average 1.2432432432432432) internal successors, (230), 188 states have internal predecessors, (230), 106 states have call successors, (106), 23 states have call predecessors, (106), 26 states have return successors, (122), 106 states have call predecessors, (122), 105 states have call successors, (122) [2024-10-11 14:48:43,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 458 transitions. [2024-10-11 14:48:43,864 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 458 transitions. Word has length 192 [2024-10-11 14:48:43,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 14:48:43,865 INFO L471 AbstractCegarLoop]: Abstraction has 318 states and 458 transitions. [2024-10-11 14:48:43,865 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 6 states have internal predecessors, (70), 4 states have call successors, (31), 6 states have call predecessors, (31), 2 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) [2024-10-11 14:48:43,865 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 458 transitions. [2024-10-11 14:48:43,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2024-10-11 14:48:43,867 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 14:48:43,867 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 7, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 14:48:43,868 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 14:48:43,868 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 14:48:43,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 14:48:43,868 INFO L85 PathProgramCache]: Analyzing trace with hash 588105943, now seen corresponding path program 1 times [2024-10-11 14:48:43,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 14:48:43,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121677647] [2024-10-11 14:48:43,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:48:43,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 14:48:43,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:44,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:48:44,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:44,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 14:48:44,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:44,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:48:44,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:44,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 14:48:44,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:44,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 14:48:44,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:44,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 14:48:44,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:44,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 14:48:44,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:44,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 14:48:44,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:44,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 14:48:44,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:44,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 14:48:44,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:44,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:48:44,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:44,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:48:44,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:44,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 14:48:44,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:44,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:48:44,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:44,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:48:44,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:44,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-11 14:48:44,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:44,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:48:44,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:44,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:48:44,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:44,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:48:44,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:44,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 14:48:44,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:44,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:48:44,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:44,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:48:44,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:44,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-11 14:48:44,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:44,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-11 14:48:44,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:44,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-11 14:48:44,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:44,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 14:48:44,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:44,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:48:44,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:44,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:48:44,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:44,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:48:44,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:44,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 14:48:44,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:44,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 14:48:44,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:44,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-11 14:48:44,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:44,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-11 14:48:44,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:44,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-11 14:48:44,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:44,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-10-11 14:48:44,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:44,947 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2024-10-11 14:48:44,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 14:48:44,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121677647] [2024-10-11 14:48:44,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121677647] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 14:48:44,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 14:48:44,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-11 14:48:44,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207353909] [2024-10-11 14:48:44,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 14:48:44,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 14:48:44,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 14:48:44,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 14:48:44,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-10-11 14:48:44,950 INFO L87 Difference]: Start difference. First operand 318 states and 458 transitions. Second operand has 11 states, 10 states have (on average 7.3) internal successors, (73), 7 states have internal predecessors, (73), 5 states have call successors, (32), 6 states have call predecessors, (32), 2 states have return successors, (29), 4 states have call predecessors, (29), 5 states have call successors, (29) [2024-10-11 14:48:47,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 14:48:47,655 INFO L93 Difference]: Finished difference Result 681 states and 1037 transitions. [2024-10-11 14:48:47,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-11 14:48:47,655 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.3) internal successors, (73), 7 states have internal predecessors, (73), 5 states have call successors, (32), 6 states have call predecessors, (32), 2 states have return successors, (29), 4 states have call predecessors, (29), 5 states have call successors, (29) Word has length 213 [2024-10-11 14:48:47,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 14:48:47,660 INFO L225 Difference]: With dead ends: 681 [2024-10-11 14:48:47,660 INFO L226 Difference]: Without dead ends: 436 [2024-10-11 14:48:47,662 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2024-10-11 14:48:47,663 INFO L432 NwaCegarLoop]: 176 mSDtfsCounter, 474 mSDsluCounter, 798 mSDsCounter, 0 mSdLazyCounter, 2251 mSolverCounterSat, 632 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 488 SdHoareTripleChecker+Valid, 974 SdHoareTripleChecker+Invalid, 2883 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 632 IncrementalHoareTripleChecker+Valid, 2251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-10-11 14:48:47,664 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [488 Valid, 974 Invalid, 2883 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [632 Valid, 2251 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-10-11 14:48:47,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2024-10-11 14:48:47,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 319. [2024-10-11 14:48:47,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 186 states have (on average 1.2419354838709677) internal successors, (231), 189 states have internal predecessors, (231), 106 states have call successors, (106), 23 states have call predecessors, (106), 26 states have return successors, (122), 106 states have call predecessors, (122), 105 states have call successors, (122) [2024-10-11 14:48:47,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 459 transitions. [2024-10-11 14:48:47,703 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 459 transitions. Word has length 213 [2024-10-11 14:48:47,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 14:48:47,704 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 459 transitions. [2024-10-11 14:48:47,704 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.3) internal successors, (73), 7 states have internal predecessors, (73), 5 states have call successors, (32), 6 states have call predecessors, (32), 2 states have return successors, (29), 4 states have call predecessors, (29), 5 states have call successors, (29) [2024-10-11 14:48:47,705 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 459 transitions. [2024-10-11 14:48:47,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2024-10-11 14:48:47,708 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 14:48:47,708 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 7, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1] [2024-10-11 14:48:47,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 14:48:47,708 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 14:48:47,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 14:48:47,709 INFO L85 PathProgramCache]: Analyzing trace with hash -2003826100, now seen corresponding path program 1 times [2024-10-11 14:48:47,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 14:48:47,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782498368] [2024-10-11 14:48:47,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:48:47,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 14:48:47,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:48,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:48:48,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:48,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 14:48:48,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:48,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:48:48,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:48,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 14:48:48,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:48,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 14:48:48,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:48,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 14:48:48,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:48,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 14:48:48,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:48,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 14:48:48,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:48,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 14:48:48,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:48,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 14:48:48,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:48,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:48:48,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:48,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:48:48,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:48,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 14:48:48,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:48,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:48:48,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:48,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:48:48,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:48,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-11 14:48:48,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:48,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:48:48,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:48,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:48:48,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:48,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:48:48,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:48,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 14:48:48,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:48,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:48:48,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:48,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:48:48,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:48,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-11 14:48:48,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:48,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-11 14:48:48,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:48,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-11 14:48:48,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:48,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 14:48:48,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:48,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:48:48,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:48,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:48:48,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:48,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:48:48,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:48,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 14:48:48,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:48,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:48:48,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:48,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:48:48,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:48,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-11 14:48:48,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:48,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-11 14:48:48,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:48,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 14:48:48,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:48,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-11 14:48:48,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:48,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 14:48:48,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:48,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-11 14:48:48,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:48,909 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2024-10-11 14:48:48,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 14:48:48,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782498368] [2024-10-11 14:48:48,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1782498368] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 14:48:48,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1296743018] [2024-10-11 14:48:48,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:48:48,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 14:48:48,910 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 14:48:48,912 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 14:48:48,914 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-11 14:48:49,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:49,613 INFO L255 TraceCheckSpWp]: Trace formula consists of 3077 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-11 14:48:49,620 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 14:48:49,780 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 293 trivial. 0 not checked. [2024-10-11 14:48:49,780 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 14:48:49,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1296743018] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 14:48:49,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 14:48:49,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [12] total 19 [2024-10-11 14:48:49,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586526348] [2024-10-11 14:48:49,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 14:48:49,782 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 14:48:49,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 14:48:49,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 14:48:49,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=305, Unknown=0, NotChecked=0, Total=342 [2024-10-11 14:48:49,783 INFO L87 Difference]: Start difference. First operand 319 states and 459 transitions. Second operand has 9 states, 9 states have (on average 8.333333333333334) internal successors, (75), 7 states have internal predecessors, (75), 5 states have call successors, (31), 4 states have call predecessors, (31), 3 states have return successors, (28), 5 states have call predecessors, (28), 5 states have call successors, (28) [2024-10-11 14:48:50,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 14:48:50,351 INFO L93 Difference]: Finished difference Result 571 states and 831 transitions. [2024-10-11 14:48:50,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 14:48:50,352 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.333333333333334) internal successors, (75), 7 states have internal predecessors, (75), 5 states have call successors, (31), 4 states have call predecessors, (31), 3 states have return successors, (28), 5 states have call predecessors, (28), 5 states have call successors, (28) Word has length 242 [2024-10-11 14:48:50,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 14:48:50,355 INFO L225 Difference]: With dead ends: 571 [2024-10-11 14:48:50,355 INFO L226 Difference]: Without dead ends: 330 [2024-10-11 14:48:50,357 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 307 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=375, Unknown=0, NotChecked=0, Total=420 [2024-10-11 14:48:50,357 INFO L432 NwaCegarLoop]: 352 mSDtfsCounter, 65 mSDsluCounter, 2353 mSDsCounter, 0 mSdLazyCounter, 489 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 2705 SdHoareTripleChecker+Invalid, 520 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 489 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 14:48:50,358 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 2705 Invalid, 520 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 489 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 14:48:50,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2024-10-11 14:48:50,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 330. [2024-10-11 14:48:50,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 191 states have (on average 1.2408376963350785) internal successors, (237), 194 states have internal predecessors, (237), 111 states have call successors, (111), 24 states have call predecessors, (111), 27 states have return successors, (127), 111 states have call predecessors, (127), 110 states have call successors, (127) [2024-10-11 14:48:50,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 475 transitions. [2024-10-11 14:48:50,381 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 475 transitions. Word has length 242 [2024-10-11 14:48:50,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 14:48:50,383 INFO L471 AbstractCegarLoop]: Abstraction has 330 states and 475 transitions. [2024-10-11 14:48:50,383 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.333333333333334) internal successors, (75), 7 states have internal predecessors, (75), 5 states have call successors, (31), 4 states have call predecessors, (31), 3 states have return successors, (28), 5 states have call predecessors, (28), 5 states have call successors, (28) [2024-10-11 14:48:50,383 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 475 transitions. [2024-10-11 14:48:50,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2024-10-11 14:48:50,385 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 14:48:50,385 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 7, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1] [2024-10-11 14:48:50,411 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-11 14:48:50,591 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 14:48:50,592 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 14:48:50,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 14:48:50,593 INFO L85 PathProgramCache]: Analyzing trace with hash -2068339098, now seen corresponding path program 2 times [2024-10-11 14:48:50,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 14:48:50,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031284744] [2024-10-11 14:48:50,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:48:50,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 14:48:50,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:51,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:48:51,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:51,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 14:48:51,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:51,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:48:51,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:51,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 14:48:51,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:51,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 14:48:51,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:51,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 14:48:51,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:51,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 14:48:51,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:51,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 14:48:51,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:51,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 14:48:51,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:51,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 14:48:51,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:51,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:48:51,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:51,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:48:51,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:51,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 14:48:51,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:51,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:48:51,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:51,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:48:51,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:51,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-11 14:48:51,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:51,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:48:51,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:51,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:48:51,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:51,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:48:51,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:51,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 14:48:51,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:51,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:48:51,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:51,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:48:51,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:51,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-11 14:48:51,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:51,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-11 14:48:51,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:51,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-11 14:48:51,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:51,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 14:48:51,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:51,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:48:51,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:51,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:48:51,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:51,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-11 14:48:51,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:51,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-11 14:48:51,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:51,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-11 14:48:51,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:51,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-11 14:48:51,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:51,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:48:51,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:51,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:48:51,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:51,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-11 14:48:51,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:51,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-11 14:48:51,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:51,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:48:51,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:51,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:48:51,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:51,811 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 25 proven. 9 refuted. 0 times theorem prover too weak. 323 trivial. 0 not checked. [2024-10-11 14:48:51,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 14:48:51,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031284744] [2024-10-11 14:48:51,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031284744] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 14:48:51,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1688270664] [2024-10-11 14:48:51,812 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 14:48:51,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 14:48:51,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 14:48:51,814 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 14:48:51,816 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-11 14:48:55,138 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 14:48:55,138 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 14:48:55,149 INFO L255 TraceCheckSpWp]: Trace formula consists of 3077 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-11 14:48:55,155 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 14:48:55,322 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 189 proven. 3 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2024-10-11 14:48:55,322 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 14:48:55,833 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 25 proven. 9 refuted. 0 times theorem prover too weak. 323 trivial. 0 not checked. [2024-10-11 14:48:55,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1688270664] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 14:48:55,834 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 14:48:55,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9, 9] total 24 [2024-10-11 14:48:55,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719151411] [2024-10-11 14:48:55,834 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 14:48:55,835 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-10-11 14:48:55,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 14:48:55,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-10-11 14:48:55,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=498, Unknown=0, NotChecked=0, Total=552 [2024-10-11 14:48:55,836 INFO L87 Difference]: Start difference. First operand 330 states and 475 transitions. Second operand has 24 states, 21 states have (on average 7.761904761904762) internal successors, (163), 18 states have internal predecessors, (163), 13 states have call successors, (84), 8 states have call predecessors, (84), 6 states have return successors, (73), 7 states have call predecessors, (73), 13 states have call successors, (73) [2024-10-11 14:48:59,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 14:48:59,743 INFO L93 Difference]: Finished difference Result 709 states and 1070 transitions. [2024-10-11 14:48:59,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-11 14:48:59,743 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 21 states have (on average 7.761904761904762) internal successors, (163), 18 states have internal predecessors, (163), 13 states have call successors, (84), 8 states have call predecessors, (84), 6 states have return successors, (73), 7 states have call predecessors, (73), 13 states have call successors, (73) Word has length 242 [2024-10-11 14:48:59,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 14:48:59,748 INFO L225 Difference]: With dead ends: 709 [2024-10-11 14:48:59,748 INFO L226 Difference]: Without dead ends: 452 [2024-10-11 14:48:59,750 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 583 GetRequests, 545 SyntacticMatches, 2 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=173, Invalid=1233, Unknown=0, NotChecked=0, Total=1406 [2024-10-11 14:48:59,750 INFO L432 NwaCegarLoop]: 196 mSDtfsCounter, 510 mSDsluCounter, 2545 mSDsCounter, 0 mSdLazyCounter, 5818 mSolverCounterSat, 630 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 516 SdHoareTripleChecker+Valid, 2741 SdHoareTripleChecker+Invalid, 6448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 630 IncrementalHoareTripleChecker+Valid, 5818 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2024-10-11 14:48:59,751 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [516 Valid, 2741 Invalid, 6448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [630 Valid, 5818 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-10-11 14:48:59,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 452 states. [2024-10-11 14:48:59,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 452 to 343. [2024-10-11 14:48:59,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 343 states, 203 states have (on average 1.251231527093596) internal successors, (254), 205 states have internal predecessors, (254), 112 states have call successors, (112), 24 states have call predecessors, (112), 27 states have return successors, (128), 113 states have call predecessors, (128), 111 states have call successors, (128) [2024-10-11 14:48:59,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 494 transitions. [2024-10-11 14:48:59,778 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 494 transitions. Word has length 242 [2024-10-11 14:48:59,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 14:48:59,778 INFO L471 AbstractCegarLoop]: Abstraction has 343 states and 494 transitions. [2024-10-11 14:48:59,779 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 21 states have (on average 7.761904761904762) internal successors, (163), 18 states have internal predecessors, (163), 13 states have call successors, (84), 8 states have call predecessors, (84), 6 states have return successors, (73), 7 states have call predecessors, (73), 13 states have call successors, (73) [2024-10-11 14:48:59,779 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 494 transitions. [2024-10-11 14:48:59,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2024-10-11 14:48:59,782 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 14:48:59,782 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1] [2024-10-11 14:48:59,799 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-10-11 14:48:59,982 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-10-11 14:48:59,983 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 14:48:59,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 14:48:59,983 INFO L85 PathProgramCache]: Analyzing trace with hash -2071941206, now seen corresponding path program 1 times [2024-10-11 14:48:59,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 14:48:59,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320375893] [2024-10-11 14:48:59,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:48:59,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 14:49:01,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:02,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:49:02,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:02,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 14:49:02,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:02,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:49:02,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:02,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 14:49:02,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:02,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 14:49:02,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:02,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 14:49:02,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:02,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 14:49:02,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:02,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 14:49:02,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:02,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 14:49:02,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:02,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 14:49:02,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:02,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:49:02,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:02,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:49:02,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:02,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 14:49:02,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:02,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:49:02,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:02,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:49:02,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:02,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-11 14:49:02,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:02,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:02,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:02,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:02,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:02,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:49:02,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:02,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 14:49:02,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:02,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:02,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:02,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:49:02,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:02,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-11 14:49:02,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:03,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-11 14:49:03,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:03,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-11 14:49:03,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:03,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 14:49:03,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:03,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:03,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:03,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:03,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:03,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:49:03,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:03,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 14:49:03,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:03,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:03,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:03,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:49:03,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:03,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-11 14:49:03,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:03,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-11 14:49:03,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:03,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 14:49:03,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:03,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-11 14:49:03,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:03,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:03,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:03,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:49:03,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:03,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-10-11 14:49:03,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:03,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-10-11 14:49:03,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:03,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:03,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:03,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:49:03,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:03,235 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2024-10-11 14:49:03,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 14:49:03,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320375893] [2024-10-11 14:49:03,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320375893] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 14:49:03,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [268429209] [2024-10-11 14:49:03,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:49:03,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 14:49:03,236 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 14:49:03,238 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 14:49:03,239 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-11 14:49:04,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:04,149 INFO L255 TraceCheckSpWp]: Trace formula consists of 3347 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-10-11 14:49:04,158 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 14:49:04,207 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-10-11 14:49:04,211 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-10-11 14:49:04,672 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 245 proven. 0 refuted. 0 times theorem prover too weak. 229 trivial. 0 not checked. [2024-10-11 14:49:04,672 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 14:49:04,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [268429209] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 14:49:04,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 14:49:04,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [9] total 20 [2024-10-11 14:49:04,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455030984] [2024-10-11 14:49:04,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 14:49:04,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-11 14:49:04,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 14:49:04,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-11 14:49:04,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2024-10-11 14:49:04,676 INFO L87 Difference]: Start difference. First operand 343 states and 494 transitions. Second operand has 13 states, 13 states have (on average 8.0) internal successors, (104), 13 states have internal predecessors, (104), 6 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (33), 6 states have call predecessors, (33), 6 states have call successors, (33) [2024-10-11 14:49:06,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 14:49:06,643 INFO L93 Difference]: Finished difference Result 677 states and 997 transitions. [2024-10-11 14:49:06,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-11 14:49:06,643 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 8.0) internal successors, (104), 13 states have internal predecessors, (104), 6 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (33), 6 states have call predecessors, (33), 6 states have call successors, (33) Word has length 268 [2024-10-11 14:49:06,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 14:49:06,648 INFO L225 Difference]: With dead ends: 677 [2024-10-11 14:49:06,648 INFO L226 Difference]: Without dead ends: 377 [2024-10-11 14:49:06,652 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 364 GetRequests, 340 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=76, Invalid=574, Unknown=0, NotChecked=0, Total=650 [2024-10-11 14:49:06,652 INFO L432 NwaCegarLoop]: 381 mSDtfsCounter, 44 mSDsluCounter, 3559 mSDsCounter, 0 mSdLazyCounter, 874 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 3940 SdHoareTripleChecker+Invalid, 875 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 874 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-10-11 14:49:06,653 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 3940 Invalid, 875 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 874 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-10-11 14:49:06,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2024-10-11 14:49:06,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 368. [2024-10-11 14:49:06,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 368 states, 227 states have (on average 1.2643171806167401) internal successors, (287), 228 states have internal predecessors, (287), 112 states have call successors, (112), 24 states have call predecessors, (112), 28 states have return successors, (141), 115 states have call predecessors, (141), 111 states have call successors, (141) [2024-10-11 14:49:06,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 540 transitions. [2024-10-11 14:49:06,683 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 540 transitions. Word has length 268 [2024-10-11 14:49:06,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 14:49:06,684 INFO L471 AbstractCegarLoop]: Abstraction has 368 states and 540 transitions. [2024-10-11 14:49:06,684 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 8.0) internal successors, (104), 13 states have internal predecessors, (104), 6 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (33), 6 states have call predecessors, (33), 6 states have call successors, (33) [2024-10-11 14:49:06,684 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 540 transitions. [2024-10-11 14:49:06,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2024-10-11 14:49:06,687 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 14:49:06,687 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 14:49:06,714 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-11 14:49:06,888 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 14:49:06,888 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 14:49:06,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 14:49:06,889 INFO L85 PathProgramCache]: Analyzing trace with hash -1695897694, now seen corresponding path program 1 times [2024-10-11 14:49:06,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 14:49:06,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143267860] [2024-10-11 14:49:06,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:49:06,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 14:49:06,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:07,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:49:07,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:07,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 14:49:07,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:07,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:49:07,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:07,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 14:49:07,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:07,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 14:49:07,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:07,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 14:49:07,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:07,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 14:49:07,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:07,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 14:49:07,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:07,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 14:49:07,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:07,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 14:49:07,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:07,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:49:07,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:07,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:49:07,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:07,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 14:49:07,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:07,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:49:07,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:07,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:49:07,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:07,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-11 14:49:07,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:07,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:07,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:07,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:07,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:07,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:49:07,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:07,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 14:49:07,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:07,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:07,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:07,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:49:07,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:07,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-11 14:49:07,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:07,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-11 14:49:07,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:07,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-11 14:49:07,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:07,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 14:49:07,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:08,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:08,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:08,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:08,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:08,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:49:08,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:08,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 14:49:08,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:08,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-11 14:49:08,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:08,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 14:49:08,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:08,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-11 14:49:08,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:08,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-11 14:49:08,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:08,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:08,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:08,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:49:08,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:08,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 14:49:08,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:08,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-11 14:49:08,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:08,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:08,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:08,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:49:08,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:08,338 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 28 proven. 6 refuted. 0 times theorem prover too weak. 375 trivial. 0 not checked. [2024-10-11 14:49:08,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 14:49:08,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143267860] [2024-10-11 14:49:08,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143267860] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 14:49:08,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [542623928] [2024-10-11 14:49:08,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:49:08,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 14:49:08,340 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 14:49:08,341 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 14:49:08,344 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-11 14:49:09,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:09,146 INFO L255 TraceCheckSpWp]: Trace formula consists of 3207 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 14:49:09,153 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 14:49:09,194 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 194 proven. 0 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2024-10-11 14:49:09,194 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 14:49:09,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [542623928] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 14:49:09,194 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 14:49:09,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [13] total 15 [2024-10-11 14:49:09,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187467185] [2024-10-11 14:49:09,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 14:49:09,195 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 14:49:09,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 14:49:09,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 14:49:09,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2024-10-11 14:49:09,196 INFO L87 Difference]: Start difference. First operand 368 states and 540 transitions. Second operand has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-10-11 14:49:09,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 14:49:09,388 INFO L93 Difference]: Finished difference Result 693 states and 1054 transitions. [2024-10-11 14:49:09,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 14:49:09,388 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 255 [2024-10-11 14:49:09,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 14:49:09,392 INFO L225 Difference]: With dead ends: 693 [2024-10-11 14:49:09,393 INFO L226 Difference]: Without dead ends: 368 [2024-10-11 14:49:09,395 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 341 GetRequests, 328 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2024-10-11 14:49:09,395 INFO L432 NwaCegarLoop]: 388 mSDtfsCounter, 0 mSDsluCounter, 766 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1154 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 14:49:09,396 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1154 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 14:49:09,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2024-10-11 14:49:09,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 368. [2024-10-11 14:49:09,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 368 states, 227 states have (on average 1.2599118942731278) internal successors, (286), 228 states have internal predecessors, (286), 112 states have call successors, (112), 24 states have call predecessors, (112), 28 states have return successors, (141), 115 states have call predecessors, (141), 111 states have call successors, (141) [2024-10-11 14:49:09,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 539 transitions. [2024-10-11 14:49:09,462 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 539 transitions. Word has length 255 [2024-10-11 14:49:09,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 14:49:09,463 INFO L471 AbstractCegarLoop]: Abstraction has 368 states and 539 transitions. [2024-10-11 14:49:09,463 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-10-11 14:49:09,463 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 539 transitions. [2024-10-11 14:49:09,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2024-10-11 14:49:09,466 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 14:49:09,467 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 14:49:09,490 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-11 14:49:09,667 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-10-11 14:49:09,668 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 14:49:09,668 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 14:49:09,668 INFO L85 PathProgramCache]: Analyzing trace with hash -473449314, now seen corresponding path program 1 times [2024-10-11 14:49:09,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 14:49:09,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792619331] [2024-10-11 14:49:09,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:49:09,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 14:49:09,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:10,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:49:10,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:10,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 14:49:10,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:10,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:49:10,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:10,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 14:49:10,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:10,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 14:49:10,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:10,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 14:49:10,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:10,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 14:49:10,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:10,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 14:49:10,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:10,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 14:49:10,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:10,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 14:49:10,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:10,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:49:10,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:10,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:49:10,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:10,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 14:49:10,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:10,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:49:10,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:10,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:49:10,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:10,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-11 14:49:10,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:10,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:10,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:10,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:10,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:10,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:49:10,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:10,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 14:49:10,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:10,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:10,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:10,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:49:10,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:10,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-11 14:49:10,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:10,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 14:49:10,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:10,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 14:49:10,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:10,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-11 14:49:10,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:10,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:10,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:10,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:10,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:10,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:49:10,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:10,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 14:49:10,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:10,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-11 14:49:10,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:10,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-11 14:49:10,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:10,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 14:49:10,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:10,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-11 14:49:10,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:10,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:10,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:10,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:49:10,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:10,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-11 14:49:10,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:10,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-11 14:49:10,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:10,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:10,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:11,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:49:11,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:11,014 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 28 proven. 6 refuted. 0 times theorem prover too weak. 375 trivial. 0 not checked. [2024-10-11 14:49:11,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 14:49:11,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792619331] [2024-10-11 14:49:11,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [792619331] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 14:49:11,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2033741122] [2024-10-11 14:49:11,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:49:11,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 14:49:11,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 14:49:11,017 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 14:49:11,018 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-11 14:49:11,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:11,783 INFO L255 TraceCheckSpWp]: Trace formula consists of 3217 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-11 14:49:11,790 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 14:49:11,994 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 218 proven. 0 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2024-10-11 14:49:11,994 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 14:49:11,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2033741122] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 14:49:11,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 14:49:11,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [13] total 21 [2024-10-11 14:49:11,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569284284] [2024-10-11 14:49:11,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 14:49:11,995 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 14:49:11,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 14:49:11,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 14:49:11,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=379, Unknown=0, NotChecked=0, Total=420 [2024-10-11 14:49:11,996 INFO L87 Difference]: Start difference. First operand 368 states and 539 transitions. Second operand has 10 states, 9 states have (on average 11.555555555555555) internal successors, (104), 9 states have internal predecessors, (104), 6 states have call successors, (35), 3 states have call predecessors, (35), 4 states have return successors, (32), 5 states have call predecessors, (32), 6 states have call successors, (32) [2024-10-11 14:49:12,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 14:49:12,638 INFO L93 Difference]: Finished difference Result 680 states and 1004 transitions. [2024-10-11 14:49:12,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 14:49:12,639 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 11.555555555555555) internal successors, (104), 9 states have internal predecessors, (104), 6 states have call successors, (35), 3 states have call predecessors, (35), 4 states have return successors, (32), 5 states have call predecessors, (32), 6 states have call successors, (32) Word has length 257 [2024-10-11 14:49:12,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 14:49:12,643 INFO L225 Difference]: With dead ends: 680 [2024-10-11 14:49:12,643 INFO L226 Difference]: Without dead ends: 385 [2024-10-11 14:49:12,644 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 346 GetRequests, 325 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=49, Invalid=457, Unknown=0, NotChecked=0, Total=506 [2024-10-11 14:49:12,645 INFO L432 NwaCegarLoop]: 348 mSDtfsCounter, 98 mSDsluCounter, 2636 mSDsCounter, 0 mSdLazyCounter, 641 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 2984 SdHoareTripleChecker+Invalid, 668 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 641 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 14:49:12,646 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 2984 Invalid, 668 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 641 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 14:49:12,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2024-10-11 14:49:12,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 352. [2024-10-11 14:49:12,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 352 states, 213 states have (on average 1.2535211267605635) internal successors, (267), 214 states have internal predecessors, (267), 111 states have call successors, (111), 24 states have call predecessors, (111), 27 states have return successors, (136), 113 states have call predecessors, (136), 110 states have call successors, (136) [2024-10-11 14:49:12,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 514 transitions. [2024-10-11 14:49:12,671 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 514 transitions. Word has length 257 [2024-10-11 14:49:12,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 14:49:12,672 INFO L471 AbstractCegarLoop]: Abstraction has 352 states and 514 transitions. [2024-10-11 14:49:12,673 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 11.555555555555555) internal successors, (104), 9 states have internal predecessors, (104), 6 states have call successors, (35), 3 states have call predecessors, (35), 4 states have return successors, (32), 5 states have call predecessors, (32), 6 states have call successors, (32) [2024-10-11 14:49:12,673 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 514 transitions. [2024-10-11 14:49:12,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2024-10-11 14:49:12,675 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 14:49:12,675 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1] [2024-10-11 14:49:12,700 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-11 14:49:12,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 14:49:12,876 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 14:49:12,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 14:49:12,877 INFO L85 PathProgramCache]: Analyzing trace with hash 358265206, now seen corresponding path program 1 times [2024-10-11 14:49:12,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 14:49:12,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781458072] [2024-10-11 14:49:12,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:49:12,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 14:49:14,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:14,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:49:14,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:14,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 14:49:14,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:14,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:49:14,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:14,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 14:49:14,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:14,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 14:49:14,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:14,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 14:49:14,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:14,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 14:49:14,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:14,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 14:49:14,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:14,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 14:49:14,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:14,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 14:49:14,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:14,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:49:14,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:14,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:49:14,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:14,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 14:49:14,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:14,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:49:14,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:14,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:49:14,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:14,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-11 14:49:14,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:15,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:15,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:15,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:15,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:15,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:49:15,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:15,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 14:49:15,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:15,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:15,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:15,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:49:15,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:15,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-11 14:49:15,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:15,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 14:49:15,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:15,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 14:49:15,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:15,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-11 14:49:15,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:15,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:15,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:15,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:15,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:15,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:49:15,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:15,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 14:49:15,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:15,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:15,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:15,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:49:15,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:15,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 14:49:15,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:15,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-11 14:49:15,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:15,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-11 14:49:15,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:15,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-11 14:49:15,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:15,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:15,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:15,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:49:15,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:15,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-11 14:49:15,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:15,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-10-11 14:49:15,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:15,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:15,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:15,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:49:15,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:15,625 INFO L134 CoverageAnalysis]: Checked inductivity of 476 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 464 trivial. 0 not checked. [2024-10-11 14:49:15,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 14:49:15,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781458072] [2024-10-11 14:49:15,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [781458072] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 14:49:15,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [657622975] [2024-10-11 14:49:15,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:49:15,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 14:49:15,627 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 14:49:15,628 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 14:49:15,630 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-11 14:49:16,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:16,819 INFO L255 TraceCheckSpWp]: Trace formula consists of 3357 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-10-11 14:49:16,826 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 14:49:16,846 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-10-11 14:49:17,089 INFO L134 CoverageAnalysis]: Checked inductivity of 476 backedges. 264 proven. 0 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2024-10-11 14:49:17,090 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 14:49:17,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [657622975] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 14:49:17,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 14:49:17,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [9] total 18 [2024-10-11 14:49:17,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916178930] [2024-10-11 14:49:17,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 14:49:17,091 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 14:49:17,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 14:49:17,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 14:49:17,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=266, Unknown=0, NotChecked=0, Total=306 [2024-10-11 14:49:17,094 INFO L87 Difference]: Start difference. First operand 352 states and 514 transitions. Second operand has 11 states, 11 states have (on average 10.090909090909092) internal successors, (111), 11 states have internal predecessors, (111), 6 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (33), 6 states have call predecessors, (33), 6 states have call successors, (33) [2024-10-11 14:49:18,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 14:49:18,590 INFO L93 Difference]: Finished difference Result 695 states and 1037 transitions. [2024-10-11 14:49:18,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 14:49:18,590 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.090909090909092) internal successors, (111), 11 states have internal predecessors, (111), 6 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (33), 6 states have call predecessors, (33), 6 states have call successors, (33) Word has length 272 [2024-10-11 14:49:18,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 14:49:18,596 INFO L225 Difference]: With dead ends: 695 [2024-10-11 14:49:18,596 INFO L226 Difference]: Without dead ends: 386 [2024-10-11 14:49:18,598 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 370 GetRequests, 350 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=60, Invalid=402, Unknown=0, NotChecked=0, Total=462 [2024-10-11 14:49:18,599 INFO L432 NwaCegarLoop]: 383 mSDtfsCounter, 50 mSDsluCounter, 3136 mSDsCounter, 0 mSdLazyCounter, 824 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 3519 SdHoareTripleChecker+Invalid, 825 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 824 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-11 14:49:18,599 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 3519 Invalid, 825 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 824 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-11 14:49:18,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2024-10-11 14:49:18,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 365. [2024-10-11 14:49:18,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 365 states, 225 states have (on average 1.2444444444444445) internal successors, (280), 225 states have internal predecessors, (280), 111 states have call successors, (111), 24 states have call predecessors, (111), 28 states have return successors, (149), 115 states have call predecessors, (149), 110 states have call successors, (149) [2024-10-11 14:49:18,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 540 transitions. [2024-10-11 14:49:18,622 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 540 transitions. Word has length 272 [2024-10-11 14:49:18,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 14:49:18,623 INFO L471 AbstractCegarLoop]: Abstraction has 365 states and 540 transitions. [2024-10-11 14:49:18,623 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.090909090909092) internal successors, (111), 11 states have internal predecessors, (111), 6 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (33), 6 states have call predecessors, (33), 6 states have call successors, (33) [2024-10-11 14:49:18,623 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 540 transitions. [2024-10-11 14:49:18,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2024-10-11 14:49:18,625 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 14:49:18,625 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 14:49:18,653 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-10-11 14:49:18,826 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-10-11 14:49:18,826 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 14:49:18,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 14:49:18,827 INFO L85 PathProgramCache]: Analyzing trace with hash -1023737418, now seen corresponding path program 1 times [2024-10-11 14:49:18,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 14:49:18,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177543705] [2024-10-11 14:49:18,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:49:18,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 14:49:19,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:20,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:49:20,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:20,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 14:49:20,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:20,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:49:20,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:20,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 14:49:20,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:20,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 14:49:20,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:20,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 14:49:20,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:20,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 14:49:20,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:20,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 14:49:20,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:20,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 14:49:20,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:20,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 14:49:20,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:20,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:49:20,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:20,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:49:20,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:20,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 14:49:20,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:20,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:49:20,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:20,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:49:20,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:20,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-11 14:49:20,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:20,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:20,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:20,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:20,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:20,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:49:20,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:20,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 14:49:20,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:20,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:20,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:20,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:49:20,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:20,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-11 14:49:20,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:20,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 14:49:20,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:20,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 14:49:20,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:20,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-11 14:49:20,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:20,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:20,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:20,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:20,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:20,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:49:20,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:20,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 14:49:20,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:20,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:20,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:20,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:49:20,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:20,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 14:49:20,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:20,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-11 14:49:20,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:20,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-11 14:49:20,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:20,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-11 14:49:20,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:20,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:20,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:20,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:49:20,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:20,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-11 14:49:20,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:20,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-10-11 14:49:20,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:20,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:20,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:20,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:49:20,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:20,986 INFO L134 CoverageAnalysis]: Checked inductivity of 476 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 466 trivial. 0 not checked. [2024-10-11 14:49:20,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 14:49:20,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177543705] [2024-10-11 14:49:20,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177543705] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 14:49:20,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2128254375] [2024-10-11 14:49:20,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:49:20,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 14:49:20,987 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 14:49:20,989 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 14:49:20,990 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-11 14:49:22,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:22,463 INFO L255 TraceCheckSpWp]: Trace formula consists of 3347 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-11 14:49:22,470 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 14:49:22,547 INFO L134 CoverageAnalysis]: Checked inductivity of 476 backedges. 244 proven. 0 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2024-10-11 14:49:22,547 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 14:49:22,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2128254375] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 14:49:22,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 14:49:22,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2024-10-11 14:49:22,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115846367] [2024-10-11 14:49:22,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 14:49:22,549 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 14:49:22,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 14:49:22,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 14:49:22,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-10-11 14:49:22,551 INFO L87 Difference]: Start difference. First operand 365 states and 540 transitions. Second operand has 5 states, 5 states have (on average 20.6) internal successors, (103), 5 states have internal predecessors, (103), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-10-11 14:49:23,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 14:49:23,209 INFO L93 Difference]: Finished difference Result 687 states and 1050 transitions. [2024-10-11 14:49:23,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 14:49:23,209 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 5 states have internal predecessors, (103), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 272 [2024-10-11 14:49:23,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 14:49:23,213 INFO L225 Difference]: With dead ends: 687 [2024-10-11 14:49:23,213 INFO L226 Difference]: Without dead ends: 365 [2024-10-11 14:49:23,215 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 363 GetRequests, 352 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-10-11 14:49:23,216 INFO L432 NwaCegarLoop]: 387 mSDtfsCounter, 4 mSDsluCounter, 1044 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 1431 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 14:49:23,216 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 1431 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 14:49:23,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2024-10-11 14:49:23,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 365. [2024-10-11 14:49:23,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 365 states, 225 states have (on average 1.24) internal successors, (279), 225 states have internal predecessors, (279), 111 states have call successors, (111), 24 states have call predecessors, (111), 28 states have return successors, (149), 115 states have call predecessors, (149), 110 states have call successors, (149) [2024-10-11 14:49:23,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 539 transitions. [2024-10-11 14:49:23,238 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 539 transitions. Word has length 272 [2024-10-11 14:49:23,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 14:49:23,239 INFO L471 AbstractCegarLoop]: Abstraction has 365 states and 539 transitions. [2024-10-11 14:49:23,239 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 5 states have internal predecessors, (103), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-10-11 14:49:23,239 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 539 transitions. [2024-10-11 14:49:23,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2024-10-11 14:49:23,241 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 14:49:23,241 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1] [2024-10-11 14:49:23,272 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-10-11 14:49:23,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-10-11 14:49:23,442 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 14:49:23,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 14:49:23,442 INFO L85 PathProgramCache]: Analyzing trace with hash 586029810, now seen corresponding path program 1 times [2024-10-11 14:49:23,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 14:49:23,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982867887] [2024-10-11 14:49:23,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:49:23,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 14:49:24,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:24,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:49:24,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:24,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 14:49:24,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:24,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:49:24,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:24,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 14:49:24,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:24,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 14:49:24,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:24,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 14:49:24,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:24,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 14:49:24,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:24,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 14:49:24,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:24,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 14:49:24,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:24,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 14:49:24,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:24,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:49:24,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:24,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:49:24,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:24,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 14:49:24,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:24,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:49:24,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:24,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:49:24,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:24,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-11 14:49:24,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:25,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:25,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:25,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:25,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:25,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:49:25,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:25,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 14:49:25,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:25,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:25,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:25,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:49:25,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:25,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-11 14:49:25,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:25,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 14:49:25,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:25,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 14:49:25,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:25,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-11 14:49:25,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:25,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:25,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:25,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:25,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:25,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:49:25,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:25,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 14:49:25,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:25,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:25,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:25,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:49:25,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:25,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 14:49:25,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:25,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-11 14:49:25,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:25,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-11 14:49:25,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:25,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-11 14:49:25,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:25,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:25,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:25,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:49:25,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:25,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-11 14:49:25,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:25,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-10-11 14:49:25,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:25,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:25,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:25,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:49:25,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:25,253 INFO L134 CoverageAnalysis]: Checked inductivity of 476 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 466 trivial. 0 not checked. [2024-10-11 14:49:25,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 14:49:25,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982867887] [2024-10-11 14:49:25,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982867887] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 14:49:25,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [106737975] [2024-10-11 14:49:25,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:49:25,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 14:49:25,254 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 14:49:25,256 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 14:49:25,258 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-11 14:49:26,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:26,243 INFO L255 TraceCheckSpWp]: Trace formula consists of 3347 conjuncts, 64 conjuncts are in the unsatisfiable core [2024-10-11 14:49:26,251 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 14:49:26,266 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-10-11 14:49:26,268 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-10-11 14:49:26,818 INFO L134 CoverageAnalysis]: Checked inductivity of 476 backedges. 264 proven. 0 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2024-10-11 14:49:26,818 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 14:49:26,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [106737975] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 14:49:26,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 14:49:26,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [8] total 22 [2024-10-11 14:49:26,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602788227] [2024-10-11 14:49:26,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 14:49:26,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-11 14:49:26,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 14:49:26,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-11 14:49:26,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=408, Unknown=0, NotChecked=0, Total=462 [2024-10-11 14:49:26,821 INFO L87 Difference]: Start difference. First operand 365 states and 539 transitions. Second operand has 16 states, 16 states have (on average 6.9375) internal successors, (111), 16 states have internal predecessors, (111), 6 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (33), 6 states have call predecessors, (33), 6 states have call successors, (33) [2024-10-11 14:49:28,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 14:49:28,456 INFO L93 Difference]: Finished difference Result 732 states and 1089 transitions. [2024-10-11 14:49:28,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-11 14:49:28,457 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 6.9375) internal successors, (111), 16 states have internal predecessors, (111), 6 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (33), 6 states have call predecessors, (33), 6 states have call successors, (33) Word has length 272 [2024-10-11 14:49:28,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 14:49:28,460 INFO L225 Difference]: With dead ends: 732 [2024-10-11 14:49:28,461 INFO L226 Difference]: Without dead ends: 410 [2024-10-11 14:49:28,463 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 369 GetRequests, 343 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=87, Invalid=669, Unknown=0, NotChecked=0, Total=756 [2024-10-11 14:49:28,463 INFO L432 NwaCegarLoop]: 386 mSDtfsCounter, 61 mSDsluCounter, 3546 mSDsCounter, 0 mSdLazyCounter, 1006 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 3932 SdHoareTripleChecker+Invalid, 1007 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1006 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-11 14:49:28,463 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 3932 Invalid, 1007 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1006 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-11 14:49:28,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2024-10-11 14:49:28,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 365. [2024-10-11 14:49:28,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 365 states, 225 states have (on average 1.24) internal successors, (279), 225 states have internal predecessors, (279), 111 states have call successors, (111), 24 states have call predecessors, (111), 28 states have return successors, (149), 115 states have call predecessors, (149), 110 states have call successors, (149) [2024-10-11 14:49:28,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 539 transitions. [2024-10-11 14:49:28,489 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 539 transitions. Word has length 272 [2024-10-11 14:49:28,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 14:49:28,489 INFO L471 AbstractCegarLoop]: Abstraction has 365 states and 539 transitions. [2024-10-11 14:49:28,490 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 6.9375) internal successors, (111), 16 states have internal predecessors, (111), 6 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (33), 6 states have call predecessors, (33), 6 states have call successors, (33) [2024-10-11 14:49:28,490 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 539 transitions. [2024-10-11 14:49:28,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2024-10-11 14:49:28,491 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 14:49:28,491 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 14:49:28,520 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-10-11 14:49:28,692 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-10-11 14:49:28,692 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 14:49:28,693 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 14:49:28,693 INFO L85 PathProgramCache]: Analyzing trace with hash -2001357390, now seen corresponding path program 1 times [2024-10-11 14:49:28,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 14:49:28,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003277929] [2024-10-11 14:49:28,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:49:28,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 14:49:29,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat