./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-71.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-71.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash afdbc11a14d78cfc3e8e425320a4468be878b1004162e6354634b69484bbf0df --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 07:13:07,102 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 07:13:07,205 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-12 07:13:07,213 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 07:13:07,213 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 07:13:07,250 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 07:13:07,251 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 07:13:07,251 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 07:13:07,251 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 07:13:07,252 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 07:13:07,252 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 07:13:07,256 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 07:13:07,256 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 07:13:07,257 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 07:13:07,258 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 07:13:07,259 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 07:13:07,259 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 07:13:07,260 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 07:13:07,260 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 07:13:07,260 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 07:13:07,260 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 07:13:07,264 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 07:13:07,265 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 07:13:07,265 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 07:13:07,265 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 07:13:07,265 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 07:13:07,266 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 07:13:07,266 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 07:13:07,266 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 07:13:07,266 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 07:13:07,266 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 07:13:07,267 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 07:13:07,267 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 07:13:07,267 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 07:13:07,267 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 07:13:07,274 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 07:13:07,274 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 07:13:07,275 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 07:13:07,275 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 07:13:07,275 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 07:13:07,275 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 07:13:07,276 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 07:13:07,276 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> afdbc11a14d78cfc3e8e425320a4468be878b1004162e6354634b69484bbf0df [2024-11-12 07:13:07,584 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 07:13:07,614 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 07:13:07,618 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 07:13:07,619 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 07:13:07,620 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 07:13:07,621 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-71.i [2024-11-12 07:13:09,236 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 07:13:09,415 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 07:13:09,418 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-71.i [2024-11-12 07:13:09,425 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2820a4233/91e0f3fb731940539d5edf1ecbed8a2c/FLAG9faf7efa9 [2024-11-12 07:13:09,438 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2820a4233/91e0f3fb731940539d5edf1ecbed8a2c [2024-11-12 07:13:09,441 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 07:13:09,442 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 07:13:09,443 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 07:13:09,443 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 07:13:09,448 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 07:13:09,449 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 07:13:09" (1/1) ... [2024-11-12 07:13:09,449 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7eee2dd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:13:09, skipping insertion in model container [2024-11-12 07:13:09,450 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 07:13:09" (1/1) ... [2024-11-12 07:13:09,471 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 07:13:09,621 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-71.i[916,929] [2024-11-12 07:13:09,664 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 07:13:09,675 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 07:13:09,685 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-71.i[916,929] [2024-11-12 07:13:09,730 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 07:13:09,745 INFO L204 MainTranslator]: Completed translation [2024-11-12 07:13:09,746 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:13:09 WrapperNode [2024-11-12 07:13:09,746 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 07:13:09,747 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 07:13:09,747 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 07:13:09,747 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 07:13:09,753 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:13:09" (1/1) ... [2024-11-12 07:13:09,766 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:13:09" (1/1) ... [2024-11-12 07:13:09,812 INFO L138 Inliner]: procedures = 26, calls = 173, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 495 [2024-11-12 07:13:09,813 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 07:13:09,814 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 07:13:09,814 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 07:13:09,814 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 07:13:09,828 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:13:09" (1/1) ... [2024-11-12 07:13:09,829 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:13:09" (1/1) ... [2024-11-12 07:13:09,833 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:13:09" (1/1) ... [2024-11-12 07:13:09,860 INFO L175 MemorySlicer]: Split 138 memory accesses to 6 slices as follows [2, 20, 16, 85, 7, 8]. 62 percent of accesses are in the largest equivalence class. The 16 initializations are split as follows [2, 3, 3, 5, 1, 2]. The 18 writes are split as follows [0, 3, 3, 8, 1, 3]. [2024-11-12 07:13:09,861 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:13:09" (1/1) ... [2024-11-12 07:13:09,861 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:13:09" (1/1) ... [2024-11-12 07:13:09,874 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:13:09" (1/1) ... [2024-11-12 07:13:09,877 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:13:09" (1/1) ... [2024-11-12 07:13:09,880 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:13:09" (1/1) ... [2024-11-12 07:13:09,881 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:13:09" (1/1) ... [2024-11-12 07:13:09,886 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 07:13:09,886 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 07:13:09,886 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 07:13:09,886 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 07:13:09,887 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:13:09" (1/1) ... [2024-11-12 07:13:09,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 07:13:09,902 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 07:13:09,915 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-12 07:13:09,932 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-12 07:13:09,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 07:13:09,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-12 07:13:09,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-12 07:13:09,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-12 07:13:09,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-12 07:13:09,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-12 07:13:09,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-12 07:13:09,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-12 07:13:09,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-12 07:13:09,969 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-12 07:13:09,969 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-12 07:13:09,969 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-12 07:13:09,969 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-12 07:13:09,969 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 07:13:09,969 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 07:13:09,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 07:13:09,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-12 07:13:09,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-12 07:13:09,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-12 07:13:09,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-12 07:13:09,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-12 07:13:09,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 07:13:09,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 07:13:10,084 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 07:13:10,086 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 07:13:10,441 INFO L? ?]: Removed 126 outVars from TransFormulas that were not future-live. [2024-11-12 07:13:10,441 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 07:13:10,455 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 07:13:10,455 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 07:13:10,456 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 07:13:10 BoogieIcfgContainer [2024-11-12 07:13:10,456 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 07:13:10,458 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 07:13:10,458 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 07:13:10,465 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 07:13:10,465 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 07:13:09" (1/3) ... [2024-11-12 07:13:10,466 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d8b91c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 07:13:10, skipping insertion in model container [2024-11-12 07:13:10,466 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:13:09" (2/3) ... [2024-11-12 07:13:10,466 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d8b91c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 07:13:10, skipping insertion in model container [2024-11-12 07:13:10,467 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 07:13:10" (3/3) ... [2024-11-12 07:13:10,468 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-71.i [2024-11-12 07:13:10,489 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 07:13:10,490 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 07:13:10,552 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 07:13:10,558 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;@1c64bdb0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 07:13:10,558 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 07:13:10,565 INFO L276 IsEmpty]: Start isEmpty. Operand has 105 states, 83 states have (on average 1.3855421686746987) internal successors, (115), 84 states have internal predecessors, (115), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-12 07:13:10,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-12 07:13:10,577 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:13:10,578 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:13:10,579 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:13:10,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:13:10,584 INFO L85 PathProgramCache]: Analyzing trace with hash 634959908, now seen corresponding path program 1 times [2024-11-12 07:13:10,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:13:10,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021667958] [2024-11-12 07:13:10,592 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:13:10,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:13:10,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:10,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:13:10,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:10,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:13:10,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:10,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:13:10,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:10,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:13:10,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:10,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:13:10,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:10,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:13:10,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:10,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:13:10,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:10,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:13:10,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:10,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:13:10,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:10,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:13:10,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:10,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:13:10,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:10,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:13:10,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:10,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:13:10,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:10,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:13:10,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:10,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:13:10,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:10,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:13:10,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:11,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:13:11,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:11,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:13:11,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:11,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 07:13:11,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:11,014 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-12 07:13:11,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:13:11,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021667958] [2024-11-12 07:13:11,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1021667958] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:13:11,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:13:11,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 07:13:11,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477747876] [2024-11-12 07:13:11,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:13:11,025 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-12 07:13:11,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:13:11,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-12 07:13:11,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 07:13:11,050 INFO L87 Difference]: Start difference. First operand has 105 states, 83 states have (on average 1.3855421686746987) internal successors, (115), 84 states have internal predecessors, (115), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-12 07:13:11,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:13:11,077 INFO L93 Difference]: Finished difference Result 203 states and 319 transitions. [2024-11-12 07:13:11,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 07:13:11,079 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 144 [2024-11-12 07:13:11,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:13:11,090 INFO L225 Difference]: With dead ends: 203 [2024-11-12 07:13:11,090 INFO L226 Difference]: Without dead ends: 101 [2024-11-12 07:13:11,095 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 07:13:11,100 INFO L435 NwaCegarLoop]: 144 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 07:13:11,101 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 07:13:11,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2024-11-12 07:13:11,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2024-11-12 07:13:11,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 80 states have (on average 1.325) internal successors, (106), 80 states have internal predecessors, (106), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-12 07:13:11,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 144 transitions. [2024-11-12 07:13:11,150 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 144 transitions. Word has length 144 [2024-11-12 07:13:11,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:13:11,151 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 144 transitions. [2024-11-12 07:13:11,152 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-12 07:13:11,152 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 144 transitions. [2024-11-12 07:13:11,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-12 07:13:11,156 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:13:11,157 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:13:11,157 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 07:13:11,157 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:13:11,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:13:11,158 INFO L85 PathProgramCache]: Analyzing trace with hash 1640475338, now seen corresponding path program 1 times [2024-11-12 07:13:11,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:13:11,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533732519] [2024-11-12 07:13:11,158 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:13:11,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:13:11,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:11,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:13:11,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:11,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:13:11,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:11,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:13:11,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:11,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:13:11,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:11,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:13:11,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:11,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:13:11,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:11,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:13:11,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:11,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:13:11,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:11,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:13:11,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:11,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:13:11,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:11,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:13:11,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:11,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:13:11,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:11,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:13:11,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:11,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:13:11,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:11,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:13:11,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:11,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:13:11,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:11,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:13:11,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:11,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:13:11,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:11,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 07:13:11,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:11,492 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-12 07:13:11,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:13:11,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533732519] [2024-11-12 07:13:11,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533732519] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:13:11,493 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:13:11,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 07:13:11,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959881740] [2024-11-12 07:13:11,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:13:11,495 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 07:13:11,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:13:11,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 07:13:11,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 07:13:11,496 INFO L87 Difference]: Start difference. First operand 101 states and 144 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-12 07:13:11,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:13:11,536 INFO L93 Difference]: Finished difference Result 202 states and 289 transitions. [2024-11-12 07:13:11,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 07:13:11,537 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 144 [2024-11-12 07:13:11,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:13:11,539 INFO L225 Difference]: With dead ends: 202 [2024-11-12 07:13:11,539 INFO L226 Difference]: Without dead ends: 104 [2024-11-12 07:13:11,540 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 07:13:11,545 INFO L435 NwaCegarLoop]: 141 mSDtfsCounter, 1 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 07:13:11,546 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 412 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 07:13:11,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-11-12 07:13:11,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 103. [2024-11-12 07:13:11,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 82 states have (on average 1.3170731707317074) internal successors, (108), 82 states have internal predecessors, (108), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-12 07:13:11,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 146 transitions. [2024-11-12 07:13:11,565 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 146 transitions. Word has length 144 [2024-11-12 07:13:11,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:13:11,567 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 146 transitions. [2024-11-12 07:13:11,567 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-12 07:13:11,568 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 146 transitions. [2024-11-12 07:13:11,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-12 07:13:11,570 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:13:11,570 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:13:11,570 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 07:13:11,570 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:13:11,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:13:11,571 INFO L85 PathProgramCache]: Analyzing trace with hash -879484596, now seen corresponding path program 1 times [2024-11-12 07:13:11,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:13:11,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971993992] [2024-11-12 07:13:11,572 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:13:11,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:13:11,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:11,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:13:11,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:11,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:13:11,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:11,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:13:11,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:11,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:13:11,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:11,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:13:11,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:11,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:13:11,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:11,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:13:11,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:11,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:13:11,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:11,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:13:11,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:11,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:13:11,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:11,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:13:11,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:11,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:13:11,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:11,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:13:11,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:11,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:13:11,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:11,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:13:11,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:11,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:13:11,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:11,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:13:11,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:11,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:13:11,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:11,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 07:13:11,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:11,771 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-12 07:13:11,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:13:11,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971993992] [2024-11-12 07:13:11,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971993992] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:13:11,775 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:13:11,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 07:13:11,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923033329] [2024-11-12 07:13:11,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:13:11,776 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 07:13:11,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:13:11,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 07:13:11,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 07:13:11,777 INFO L87 Difference]: Start difference. First operand 103 states and 146 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-12 07:13:11,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:13:11,818 INFO L93 Difference]: Finished difference Result 206 states and 293 transitions. [2024-11-12 07:13:11,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 07:13:11,819 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 144 [2024-11-12 07:13:11,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:13:11,821 INFO L225 Difference]: With dead ends: 206 [2024-11-12 07:13:11,821 INFO L226 Difference]: Without dead ends: 106 [2024-11-12 07:13:11,822 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 07:13:11,827 INFO L435 NwaCegarLoop]: 141 mSDtfsCounter, 1 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 415 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 07:13:11,827 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 415 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 07:13:11,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-11-12 07:13:11,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 105. [2024-11-12 07:13:11,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 84 states have (on average 1.3095238095238095) internal successors, (110), 84 states have internal predecessors, (110), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-12 07:13:11,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 148 transitions. [2024-11-12 07:13:11,845 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 148 transitions. Word has length 144 [2024-11-12 07:13:11,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:13:11,845 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 148 transitions. [2024-11-12 07:13:11,846 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-12 07:13:11,846 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 148 transitions. [2024-11-12 07:13:11,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-12 07:13:11,848 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:13:11,852 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:13:11,852 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 07:13:11,853 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:13:11,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:13:11,853 INFO L85 PathProgramCache]: Analyzing trace with hash -877637554, now seen corresponding path program 1 times [2024-11-12 07:13:11,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:13:11,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730605127] [2024-11-12 07:13:11,854 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:13:11,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:13:11,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:12,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:13:12,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:12,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:13:12,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:12,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:13:12,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:12,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:13:12,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:12,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:13:12,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:12,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:13:12,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:12,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:13:12,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:12,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:13:12,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:12,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:13:12,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:12,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:13:12,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:12,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:13:12,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:12,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:13:12,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:12,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:13:12,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:12,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:13:12,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:12,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:13:12,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:12,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:13:12,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:12,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:13:12,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:12,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:13:12,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:12,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 07:13:12,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:12,181 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-12 07:13:12,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:13:12,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730605127] [2024-11-12 07:13:12,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730605127] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:13:12,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:13:12,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 07:13:12,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540968059] [2024-11-12 07:13:12,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:13:12,184 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 07:13:12,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:13:12,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 07:13:12,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 07:13:12,185 INFO L87 Difference]: Start difference. First operand 105 states and 148 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-12 07:13:12,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:13:12,301 INFO L93 Difference]: Finished difference Result 266 states and 375 transitions. [2024-11-12 07:13:12,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 07:13:12,302 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 144 [2024-11-12 07:13:12,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:13:12,304 INFO L225 Difference]: With dead ends: 266 [2024-11-12 07:13:12,307 INFO L226 Difference]: Without dead ends: 164 [2024-11-12 07:13:12,308 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-12 07:13:12,309 INFO L435 NwaCegarLoop]: 203 mSDtfsCounter, 87 mSDsluCounter, 506 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 709 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 07:13:12,309 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 709 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 07:13:12,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2024-11-12 07:13:12,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 107. [2024-11-12 07:13:12,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 86 states have (on average 1.302325581395349) internal successors, (112), 86 states have internal predecessors, (112), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-12 07:13:12,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 150 transitions. [2024-11-12 07:13:12,328 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 150 transitions. Word has length 144 [2024-11-12 07:13:12,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:13:12,331 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 150 transitions. [2024-11-12 07:13:12,331 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-12 07:13:12,331 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 150 transitions. [2024-11-12 07:13:12,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-12 07:13:12,332 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:13:12,333 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:13:12,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 07:13:12,333 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:13:12,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:13:12,333 INFO L85 PathProgramCache]: Analyzing trace with hash -694713373, now seen corresponding path program 1 times [2024-11-12 07:13:12,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:13:12,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669853769] [2024-11-12 07:13:12,334 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:13:12,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:13:12,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:12,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:13:12,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:12,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:13:12,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:12,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:13:12,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:12,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:13:12,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:12,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:13:12,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:12,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:13:12,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:12,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:13:12,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:12,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:13:12,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:12,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:13:12,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:12,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:13:12,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:12,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:13:12,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:12,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:13:12,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:12,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:13:12,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:12,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:13:12,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:12,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:13:12,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:12,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:13:12,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:12,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:13:12,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:12,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:13:12,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:12,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 07:13:12,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:12,863 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-12 07:13:12,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:13:12,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669853769] [2024-11-12 07:13:12,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669853769] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:13:12,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:13:12,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-12 07:13:12,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102187988] [2024-11-12 07:13:12,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:13:12,865 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 07:13:12,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:13:12,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 07:13:12,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-12 07:13:12,866 INFO L87 Difference]: Start difference. First operand 107 states and 150 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-12 07:13:12,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:13:12,978 INFO L93 Difference]: Finished difference Result 272 states and 384 transitions. [2024-11-12 07:13:12,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 07:13:12,979 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 145 [2024-11-12 07:13:12,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:13:12,980 INFO L225 Difference]: With dead ends: 272 [2024-11-12 07:13:12,981 INFO L226 Difference]: Without dead ends: 168 [2024-11-12 07:13:12,981 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-12 07:13:12,982 INFO L435 NwaCegarLoop]: 176 mSDtfsCounter, 82 mSDsluCounter, 587 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 763 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 07:13:12,983 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 763 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 07:13:12,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2024-11-12 07:13:12,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 115. [2024-11-12 07:13:12,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 94 states have (on average 1.3297872340425532) internal successors, (125), 94 states have internal predecessors, (125), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-12 07:13:12,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 163 transitions. [2024-11-12 07:13:12,991 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 163 transitions. Word has length 145 [2024-11-12 07:13:12,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:13:12,995 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 163 transitions. [2024-11-12 07:13:12,995 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-12 07:13:12,995 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 163 transitions. [2024-11-12 07:13:12,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-12 07:13:12,997 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:13:12,997 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:13:12,997 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 07:13:12,997 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:13:12,997 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:13:12,997 INFO L85 PathProgramCache]: Analyzing trace with hash 982540647, now seen corresponding path program 1 times [2024-11-12 07:13:12,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:13:12,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49027127] [2024-11-12 07:13:12,998 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:13:12,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:13:13,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:14,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:13:14,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:14,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:13:14,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:14,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:13:14,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:14,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:13:14,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:14,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:13:14,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:14,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:13:14,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:14,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:13:14,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:14,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:13:14,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:14,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:13:14,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:14,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:13:14,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:14,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:13:14,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:14,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:13:14,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:14,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:13:14,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:14,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:13:14,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:14,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:13:14,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:14,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:13:14,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:14,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:13:14,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:14,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:13:14,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:14,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 07:13:14,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:14,269 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-12 07:13:14,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:13:14,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49027127] [2024-11-12 07:13:14,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49027127] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:13:14,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:13:14,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-12 07:13:14,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248585930] [2024-11-12 07:13:14,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:13:14,270 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-12 07:13:14,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:13:14,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-12 07:13:14,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-11-12 07:13:14,275 INFO L87 Difference]: Start difference. First operand 115 states and 163 transitions. Second operand has 11 states, 9 states have (on average 6.0) internal successors, (54), 11 states have internal predecessors, (54), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-12 07:13:15,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:13:15,213 INFO L93 Difference]: Finished difference Result 383 states and 538 transitions. [2024-11-12 07:13:15,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-12 07:13:15,214 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 6.0) internal successors, (54), 11 states have internal predecessors, (54), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) Word has length 146 [2024-11-12 07:13:15,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:13:15,215 INFO L225 Difference]: With dead ends: 383 [2024-11-12 07:13:15,215 INFO L226 Difference]: Without dead ends: 271 [2024-11-12 07:13:15,216 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 46 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2024-11-12 07:13:15,217 INFO L435 NwaCegarLoop]: 241 mSDtfsCounter, 194 mSDsluCounter, 1502 mSDsCounter, 0 mSdLazyCounter, 860 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 1743 SdHoareTripleChecker+Invalid, 862 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 860 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-12 07:13:15,217 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 1743 Invalid, 862 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 860 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-12 07:13:15,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2024-11-12 07:13:15,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 199. [2024-11-12 07:13:15,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 164 states have (on average 1.329268292682927) internal successors, (218), 165 states have internal predecessors, (218), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 31 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-12 07:13:15,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 282 transitions. [2024-11-12 07:13:15,231 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 282 transitions. Word has length 146 [2024-11-12 07:13:15,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:13:15,232 INFO L471 AbstractCegarLoop]: Abstraction has 199 states and 282 transitions. [2024-11-12 07:13:15,232 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 6.0) internal successors, (54), 11 states have internal predecessors, (54), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-12 07:13:15,232 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 282 transitions. [2024-11-12 07:13:15,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-12 07:13:15,233 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:13:15,233 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:13:15,234 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-12 07:13:15,234 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:13:15,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:13:15,234 INFO L85 PathProgramCache]: Analyzing trace with hash -706403095, now seen corresponding path program 1 times [2024-11-12 07:13:15,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:13:15,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761182971] [2024-11-12 07:13:15,235 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:13:15,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:13:15,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:15,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:13:15,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:15,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:13:15,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:15,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:13:15,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:15,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:13:15,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:15,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:13:15,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:15,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:13:15,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:15,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:13:15,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:15,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:13:15,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:15,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:13:15,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:15,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:13:15,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:15,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:13:15,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:15,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:13:15,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:15,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:13:15,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:15,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:13:15,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:15,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:13:15,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:15,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:13:15,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:15,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:13:15,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:15,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:13:15,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:15,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 07:13:15,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:15,857 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-12 07:13:15,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:13:15,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761182971] [2024-11-12 07:13:15,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761182971] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:13:15,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:13:15,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-12 07:13:15,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162641763] [2024-11-12 07:13:15,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:13:15,859 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-12 07:13:15,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:13:15,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 07:13:15,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-12 07:13:15,859 INFO L87 Difference]: Start difference. First operand 199 states and 282 transitions. Second operand has 7 states, 6 states have (on average 9.0) internal successors, (54), 7 states have internal predecessors, (54), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-12 07:13:16,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:13:16,104 INFO L93 Difference]: Finished difference Result 401 states and 567 transitions. [2024-11-12 07:13:16,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-12 07:13:16,105 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 9.0) internal successors, (54), 7 states have internal predecessors, (54), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 146 [2024-11-12 07:13:16,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:13:16,106 INFO L225 Difference]: With dead ends: 401 [2024-11-12 07:13:16,106 INFO L226 Difference]: Without dead ends: 205 [2024-11-12 07:13:16,107 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-12 07:13:16,108 INFO L435 NwaCegarLoop]: 206 mSDtfsCounter, 97 mSDsluCounter, 824 mSDsCounter, 0 mSdLazyCounter, 299 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 1030 SdHoareTripleChecker+Invalid, 300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 07:13:16,108 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 1030 Invalid, 300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 299 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 07:13:16,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2024-11-12 07:13:16,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 194. [2024-11-12 07:13:16,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 159 states have (on average 1.3144654088050314) internal successors, (209), 160 states have internal predecessors, (209), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 31 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-12 07:13:16,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 273 transitions. [2024-11-12 07:13:16,120 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 273 transitions. Word has length 146 [2024-11-12 07:13:16,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:13:16,120 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 273 transitions. [2024-11-12 07:13:16,120 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 9.0) internal successors, (54), 7 states have internal predecessors, (54), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-12 07:13:16,120 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 273 transitions. [2024-11-12 07:13:16,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-12 07:13:16,121 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:13:16,121 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:13:16,122 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-12 07:13:16,122 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:13:16,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:13:16,122 INFO L85 PathProgramCache]: Analyzing trace with hash -269161938, now seen corresponding path program 1 times [2024-11-12 07:13:16,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:13:16,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089414878] [2024-11-12 07:13:16,123 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:13:16,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:13:16,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:16,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:13:16,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:16,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:13:16,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:16,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:13:16,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:16,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:13:16,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:16,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:13:16,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:16,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:13:16,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:16,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:13:16,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:16,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:13:16,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:16,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:13:16,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:16,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:13:16,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:16,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:13:16,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:16,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:13:16,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:16,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:13:16,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:16,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:13:16,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:16,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:13:16,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:16,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:13:16,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:16,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:13:16,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:16,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:13:16,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:16,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 07:13:16,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:16,363 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-12 07:13:16,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:13:16,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089414878] [2024-11-12 07:13:16,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089414878] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:13:16,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:13:16,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-12 07:13:16,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600420836] [2024-11-12 07:13:16,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:13:16,364 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 07:13:16,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:13:16,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 07:13:16,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-12 07:13:16,365 INFO L87 Difference]: Start difference. First operand 194 states and 273 transitions. Second operand has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-12 07:13:16,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:13:16,449 INFO L93 Difference]: Finished difference Result 447 states and 625 transitions. [2024-11-12 07:13:16,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 07:13:16,450 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 146 [2024-11-12 07:13:16,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:13:16,453 INFO L225 Difference]: With dead ends: 447 [2024-11-12 07:13:16,453 INFO L226 Difference]: Without dead ends: 256 [2024-11-12 07:13:16,454 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-12 07:13:16,454 INFO L435 NwaCegarLoop]: 132 mSDtfsCounter, 66 mSDsluCounter, 489 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 621 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 07:13:16,454 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 621 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 07:13:16,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2024-11-12 07:13:16,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 253. [2024-11-12 07:13:16,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 212 states have (on average 1.3113207547169812) internal successors, (278), 214 states have internal predecessors, (278), 36 states have call successors, (36), 4 states have call predecessors, (36), 4 states have return successors, (36), 34 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-12 07:13:16,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 350 transitions. [2024-11-12 07:13:16,468 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 350 transitions. Word has length 146 [2024-11-12 07:13:16,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:13:16,469 INFO L471 AbstractCegarLoop]: Abstraction has 253 states and 350 transitions. [2024-11-12 07:13:16,469 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-12 07:13:16,469 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 350 transitions. [2024-11-12 07:13:16,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-12 07:13:16,470 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:13:16,470 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:13:16,470 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-12 07:13:16,470 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:13:16,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:13:16,471 INFO L85 PathProgramCache]: Analyzing trace with hash 1431681951, now seen corresponding path program 1 times [2024-11-12 07:13:16,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:13:16,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443633182] [2024-11-12 07:13:16,471 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:13:16,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:13:16,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:17,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:13:17,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:17,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:13:17,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:17,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:13:17,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:17,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:13:17,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:17,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:13:17,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:17,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:13:17,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:17,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:13:17,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:17,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:13:17,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:17,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:13:17,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:17,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:13:17,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:17,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:13:17,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:17,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:13:17,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:17,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:13:17,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:17,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:13:17,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:17,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:13:17,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:17,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:13:17,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:17,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:13:17,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:17,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:13:17,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:17,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 07:13:17,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:17,349 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-12 07:13:17,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:13:17,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443633182] [2024-11-12 07:13:17,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443633182] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:13:17,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:13:17,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-12 07:13:17,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3501412] [2024-11-12 07:13:17,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:13:17,351 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-12 07:13:17,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:13:17,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-12 07:13:17,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-12 07:13:17,352 INFO L87 Difference]: Start difference. First operand 253 states and 350 transitions. Second operand has 11 states, 9 states have (on average 6.111111111111111) internal successors, (55), 11 states have internal predecessors, (55), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-12 07:13:18,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:13:18,005 INFO L93 Difference]: Finished difference Result 665 states and 914 transitions. [2024-11-12 07:13:18,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-12 07:13:18,006 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 6.111111111111111) internal successors, (55), 11 states have internal predecessors, (55), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) Word has length 147 [2024-11-12 07:13:18,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:13:18,009 INFO L225 Difference]: With dead ends: 665 [2024-11-12 07:13:18,010 INFO L226 Difference]: Without dead ends: 415 [2024-11-12 07:13:18,010 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2024-11-12 07:13:18,012 INFO L435 NwaCegarLoop]: 124 mSDtfsCounter, 194 mSDsluCounter, 716 mSDsCounter, 0 mSdLazyCounter, 704 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 840 SdHoareTripleChecker+Invalid, 710 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 704 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-12 07:13:18,012 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 840 Invalid, 710 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 704 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-12 07:13:18,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2024-11-12 07:13:18,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 274. [2024-11-12 07:13:18,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 233 states have (on average 1.3261802575107295) internal successors, (309), 235 states have internal predecessors, (309), 36 states have call successors, (36), 4 states have call predecessors, (36), 4 states have return successors, (36), 34 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-12 07:13:18,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 381 transitions. [2024-11-12 07:13:18,034 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 381 transitions. Word has length 147 [2024-11-12 07:13:18,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:13:18,034 INFO L471 AbstractCegarLoop]: Abstraction has 274 states and 381 transitions. [2024-11-12 07:13:18,034 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 6.111111111111111) internal successors, (55), 11 states have internal predecessors, (55), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-12 07:13:18,034 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 381 transitions. [2024-11-12 07:13:18,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-12 07:13:18,035 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:13:18,036 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:13:18,036 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-12 07:13:18,036 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:13:18,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:13:18,036 INFO L85 PathProgramCache]: Analyzing trace with hash -1583421667, now seen corresponding path program 1 times [2024-11-12 07:13:18,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:13:18,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380471928] [2024-11-12 07:13:18,037 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:13:18,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:13:18,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:18,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:13:18,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:18,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:13:18,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:18,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:13:18,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:18,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:13:18,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:18,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:13:18,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:18,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:13:18,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:18,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:13:18,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:18,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:13:18,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:18,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:13:18,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:18,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:13:18,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:18,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:13:18,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:18,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:13:18,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:18,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:13:18,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:18,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:13:18,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:18,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:13:18,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:18,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:13:18,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:18,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:13:18,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:18,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:13:18,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:18,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 07:13:18,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:18,559 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-12 07:13:18,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:13:18,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380471928] [2024-11-12 07:13:18,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [380471928] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:13:18,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:13:18,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-12 07:13:18,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251240647] [2024-11-12 07:13:18,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:13:18,560 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-12 07:13:18,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:13:18,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-12 07:13:18,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-12 07:13:18,561 INFO L87 Difference]: Start difference. First operand 274 states and 381 transitions. Second operand has 9 states, 8 states have (on average 6.875) internal successors, (55), 9 states have internal predecessors, (55), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-12 07:13:18,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:13:18,834 INFO L93 Difference]: Finished difference Result 621 states and 856 transitions. [2024-11-12 07:13:18,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 07:13:18,835 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.875) internal successors, (55), 9 states have internal predecessors, (55), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 147 [2024-11-12 07:13:18,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:13:18,837 INFO L225 Difference]: With dead ends: 621 [2024-11-12 07:13:18,837 INFO L226 Difference]: Without dead ends: 350 [2024-11-12 07:13:18,838 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2024-11-12 07:13:18,838 INFO L435 NwaCegarLoop]: 179 mSDtfsCounter, 93 mSDsluCounter, 943 mSDsCounter, 0 mSdLazyCounter, 363 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 1122 SdHoareTripleChecker+Invalid, 365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 363 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 07:13:18,838 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 1122 Invalid, 365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 363 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 07:13:18,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2024-11-12 07:13:18,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 347. [2024-11-12 07:13:18,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 288 states have (on average 1.2951388888888888) internal successors, (373), 291 states have internal predecessors, (373), 51 states have call successors, (51), 7 states have call predecessors, (51), 7 states have return successors, (51), 48 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-12 07:13:18,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 475 transitions. [2024-11-12 07:13:18,862 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 475 transitions. Word has length 147 [2024-11-12 07:13:18,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:13:18,863 INFO L471 AbstractCegarLoop]: Abstraction has 347 states and 475 transitions. [2024-11-12 07:13:18,863 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.875) internal successors, (55), 9 states have internal predecessors, (55), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-12 07:13:18,863 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 475 transitions. [2024-11-12 07:13:18,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-12 07:13:18,864 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:13:18,864 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:13:18,864 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-12 07:13:18,864 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:13:18,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:13:18,865 INFO L85 PathProgramCache]: Analyzing trace with hash 679019452, now seen corresponding path program 1 times [2024-11-12 07:13:18,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:13:18,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710920132] [2024-11-12 07:13:18,865 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:13:18,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:13:18,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:19,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:13:19,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:19,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:13:19,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:19,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:13:19,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:19,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:13:19,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:19,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:13:19,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:19,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:13:19,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:19,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:13:19,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:19,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:13:19,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:19,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:13:19,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:19,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:13:19,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:19,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:13:19,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:19,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:13:19,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:19,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:13:19,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:19,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:13:19,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:19,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:13:19,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:19,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:13:19,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:19,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:13:19,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:19,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:13:19,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:19,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 07:13:19,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:19,116 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-12 07:13:19,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:13:19,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710920132] [2024-11-12 07:13:19,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [710920132] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:13:19,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:13:19,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-12 07:13:19,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607618783] [2024-11-12 07:13:19,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:13:19,118 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 07:13:19,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:13:19,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 07:13:19,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-12 07:13:19,118 INFO L87 Difference]: Start difference. First operand 347 states and 475 transitions. Second operand has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-12 07:13:19,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:13:19,290 INFO L93 Difference]: Finished difference Result 781 states and 1053 transitions. [2024-11-12 07:13:19,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-12 07:13:19,291 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 147 [2024-11-12 07:13:19,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:13:19,295 INFO L225 Difference]: With dead ends: 781 [2024-11-12 07:13:19,296 INFO L226 Difference]: Without dead ends: 437 [2024-11-12 07:13:19,297 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-11-12 07:13:19,298 INFO L435 NwaCegarLoop]: 195 mSDtfsCounter, 182 mSDsluCounter, 809 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 1004 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 07:13:19,298 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 1004 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 07:13:19,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2024-11-12 07:13:19,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 427. [2024-11-12 07:13:19,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 427 states, 359 states have (on average 1.2729805013927578) internal successors, (457), 365 states have internal predecessors, (457), 57 states have call successors, (57), 10 states have call predecessors, (57), 10 states have return successors, (57), 51 states have call predecessors, (57), 57 states have call successors, (57) [2024-11-12 07:13:19,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 571 transitions. [2024-11-12 07:13:19,339 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 571 transitions. Word has length 147 [2024-11-12 07:13:19,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:13:19,343 INFO L471 AbstractCegarLoop]: Abstraction has 427 states and 571 transitions. [2024-11-12 07:13:19,344 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-12 07:13:19,344 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 571 transitions. [2024-11-12 07:13:19,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-12 07:13:19,345 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:13:19,346 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:13:19,346 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-12 07:13:19,346 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:13:19,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:13:19,346 INFO L85 PathProgramCache]: Analyzing trace with hash 1572230561, now seen corresponding path program 1 times [2024-11-12 07:13:19,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:13:19,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256275381] [2024-11-12 07:13:19,347 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:13:19,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:13:19,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:19,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:13:19,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:19,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:13:19,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:19,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:13:19,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:19,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:13:19,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:19,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:13:19,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:19,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:13:19,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:19,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:13:19,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:19,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:13:19,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:19,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:13:19,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:19,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:13:19,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:19,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:13:19,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:19,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:13:19,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:19,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:13:19,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:19,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:13:19,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:19,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:13:19,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:19,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:13:19,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:19,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:13:19,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:19,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:13:19,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:19,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 07:13:19,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:19,708 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-12 07:13:19,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:13:19,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256275381] [2024-11-12 07:13:19,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256275381] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:13:19,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:13:19,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-12 07:13:19,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206481711] [2024-11-12 07:13:19,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:13:19,710 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-12 07:13:19,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:13:19,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 07:13:19,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-12 07:13:19,711 INFO L87 Difference]: Start difference. First operand 427 states and 571 transitions. Second operand has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-12 07:13:19,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:13:19,949 INFO L93 Difference]: Finished difference Result 897 states and 1205 transitions. [2024-11-12 07:13:19,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-12 07:13:19,949 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 147 [2024-11-12 07:13:19,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:13:19,952 INFO L225 Difference]: With dead ends: 897 [2024-11-12 07:13:19,952 INFO L226 Difference]: Without dead ends: 482 [2024-11-12 07:13:19,953 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-12 07:13:19,953 INFO L435 NwaCegarLoop]: 207 mSDtfsCounter, 117 mSDsluCounter, 896 mSDsCounter, 0 mSdLazyCounter, 288 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 1103 SdHoareTripleChecker+Invalid, 292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 07:13:19,953 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 1103 Invalid, 292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 288 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 07:13:19,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2024-11-12 07:13:20,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 469. [2024-11-12 07:13:20,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 469 states, 385 states have (on average 1.2545454545454546) internal successors, (483), 391 states have internal predecessors, (483), 72 states have call successors, (72), 11 states have call predecessors, (72), 11 states have return successors, (72), 66 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-12 07:13:20,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 627 transitions. [2024-11-12 07:13:20,008 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 627 transitions. Word has length 147 [2024-11-12 07:13:20,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:13:20,008 INFO L471 AbstractCegarLoop]: Abstraction has 469 states and 627 transitions. [2024-11-12 07:13:20,008 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-12 07:13:20,009 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 627 transitions. [2024-11-12 07:13:20,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-12 07:13:20,011 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:13:20,011 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:13:20,011 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-12 07:13:20,012 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:13:20,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:13:20,013 INFO L85 PathProgramCache]: Analyzing trace with hash -1442873057, now seen corresponding path program 1 times [2024-11-12 07:13:20,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:13:20,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550757620] [2024-11-12 07:13:20,014 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:13:20,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:13:20,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:21,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:13:21,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:21,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:13:21,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:21,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:13:21,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:21,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:13:21,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:21,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:13:21,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:21,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:13:21,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:21,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:13:21,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:21,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:13:21,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:21,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:13:21,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:21,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:13:21,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:21,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:13:21,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:21,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:13:21,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:21,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:13:21,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:21,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:13:21,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:21,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:13:21,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:21,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:13:21,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:21,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:13:21,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:21,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:13:21,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:21,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 07:13:21,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:21,152 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-12 07:13:21,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:13:21,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550757620] [2024-11-12 07:13:21,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550757620] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:13:21,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:13:21,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-12 07:13:21,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484722952] [2024-11-12 07:13:21,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:13:21,153 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-12 07:13:21,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:13:21,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-12 07:13:21,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-11-12 07:13:21,154 INFO L87 Difference]: Start difference. First operand 469 states and 627 transitions. Second operand has 11 states, 9 states have (on average 6.111111111111111) internal successors, (55), 11 states have internal predecessors, (55), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-12 07:13:22,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:13:22,407 INFO L93 Difference]: Finished difference Result 1045 states and 1390 transitions. [2024-11-12 07:13:22,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-12 07:13:22,408 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 6.111111111111111) internal successors, (55), 11 states have internal predecessors, (55), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) Word has length 147 [2024-11-12 07:13:22,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:13:22,412 INFO L225 Difference]: With dead ends: 1045 [2024-11-12 07:13:22,412 INFO L226 Difference]: Without dead ends: 588 [2024-11-12 07:13:22,413 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2024-11-12 07:13:22,414 INFO L435 NwaCegarLoop]: 241 mSDtfsCounter, 191 mSDsluCounter, 1389 mSDsCounter, 0 mSdLazyCounter, 1048 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 1630 SdHoareTripleChecker+Invalid, 1052 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1048 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-12 07:13:22,414 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 1630 Invalid, 1052 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1048 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-12 07:13:22,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 588 states. [2024-11-12 07:13:22,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 588 to 485. [2024-11-12 07:13:22,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 485 states, 400 states have (on average 1.2525) internal successors, (501), 406 states have internal predecessors, (501), 72 states have call successors, (72), 12 states have call predecessors, (72), 12 states have return successors, (72), 66 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-12 07:13:22,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 485 states and 645 transitions. [2024-11-12 07:13:22,472 INFO L78 Accepts]: Start accepts. Automaton has 485 states and 645 transitions. Word has length 147 [2024-11-12 07:13:22,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:13:22,472 INFO L471 AbstractCegarLoop]: Abstraction has 485 states and 645 transitions. [2024-11-12 07:13:22,472 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 6.111111111111111) internal successors, (55), 11 states have internal predecessors, (55), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-12 07:13:22,473 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 645 transitions. [2024-11-12 07:13:22,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-12 07:13:22,476 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:13:22,476 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:13:22,476 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-12 07:13:22,476 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:13:22,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:13:22,477 INFO L85 PathProgramCache]: Analyzing trace with hash -1020171231, now seen corresponding path program 1 times [2024-11-12 07:13:22,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:13:22,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654413886] [2024-11-12 07:13:22,477 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:13:22,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:13:22,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:23,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:13:23,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:23,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:13:23,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:23,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:13:23,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:23,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:13:23,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:23,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:13:23,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:23,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:13:23,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:23,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:13:23,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:23,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:13:23,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:23,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:13:23,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:23,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:13:23,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:23,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:13:23,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:23,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:13:23,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:23,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:13:23,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:23,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:13:23,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:23,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:13:23,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:23,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:13:23,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:23,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:13:23,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:23,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:13:23,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:23,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 07:13:23,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:23,667 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-12 07:13:23,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:13:23,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654413886] [2024-11-12 07:13:23,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654413886] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:13:23,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:13:23,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-12 07:13:23,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61863061] [2024-11-12 07:13:23,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:13:23,668 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-12 07:13:23,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:13:23,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-12 07:13:23,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-12 07:13:23,669 INFO L87 Difference]: Start difference. First operand 485 states and 645 transitions. Second operand has 12 states, 9 states have (on average 6.111111111111111) internal successors, (55), 12 states have internal predecessors, (55), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-12 07:13:24,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:13:24,480 INFO L93 Difference]: Finished difference Result 952 states and 1268 transitions. [2024-11-12 07:13:24,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-12 07:13:24,481 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 6.111111111111111) internal successors, (55), 12 states have internal predecessors, (55), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 4 states have call successors, (19) Word has length 147 [2024-11-12 07:13:24,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:13:24,483 INFO L225 Difference]: With dead ends: 952 [2024-11-12 07:13:24,483 INFO L226 Difference]: Without dead ends: 479 [2024-11-12 07:13:24,484 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2024-11-12 07:13:24,485 INFO L435 NwaCegarLoop]: 203 mSDtfsCounter, 107 mSDsluCounter, 1358 mSDsCounter, 0 mSdLazyCounter, 923 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 1561 SdHoareTripleChecker+Invalid, 929 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 923 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-12 07:13:24,485 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 1561 Invalid, 929 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 923 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-12 07:13:24,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 479 states. [2024-11-12 07:13:24,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 479 to 465. [2024-11-12 07:13:24,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 465 states, 380 states have (on average 1.2473684210526317) internal successors, (474), 386 states have internal predecessors, (474), 72 states have call successors, (72), 12 states have call predecessors, (72), 12 states have return successors, (72), 66 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-12 07:13:24,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 618 transitions. [2024-11-12 07:13:24,541 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 618 transitions. Word has length 147 [2024-11-12 07:13:24,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:13:24,542 INFO L471 AbstractCegarLoop]: Abstraction has 465 states and 618 transitions. [2024-11-12 07:13:24,542 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 6.111111111111111) internal successors, (55), 12 states have internal predecessors, (55), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-12 07:13:24,542 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 618 transitions. [2024-11-12 07:13:24,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-12 07:13:24,543 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:13:24,544 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:13:24,544 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-12 07:13:24,544 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:13:24,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:13:24,544 INFO L85 PathProgramCache]: Analyzing trace with hash 781233282, now seen corresponding path program 1 times [2024-11-12 07:13:24,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:13:24,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033371945] [2024-11-12 07:13:24,545 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:13:24,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:13:24,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:25,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:13:25,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:25,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:13:25,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:25,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:13:25,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:25,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:13:25,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:25,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:13:25,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:25,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:13:25,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:25,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:13:25,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:25,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:13:25,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:25,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:13:25,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:25,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:13:25,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:25,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:13:25,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:25,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:13:25,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:25,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:13:25,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:25,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:13:25,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:25,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:13:25,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:25,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:13:25,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:25,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:13:25,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:25,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:13:25,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:25,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 07:13:25,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:25,112 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-12 07:13:25,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:13:25,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033371945] [2024-11-12 07:13:25,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033371945] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:13:25,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:13:25,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-12 07:13:25,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997580502] [2024-11-12 07:13:25,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:13:25,113 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-12 07:13:25,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:13:25,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-12 07:13:25,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-11-12 07:13:25,119 INFO L87 Difference]: Start difference. First operand 465 states and 618 transitions. Second operand has 11 states, 10 states have (on average 5.6) internal successors, (56), 11 states have internal predecessors, (56), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-12 07:13:25,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:13:25,620 INFO L93 Difference]: Finished difference Result 1040 states and 1391 transitions. [2024-11-12 07:13:25,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-12 07:13:25,620 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 5.6) internal successors, (56), 11 states have internal predecessors, (56), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 148 [2024-11-12 07:13:25,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:13:25,623 INFO L225 Difference]: With dead ends: 1040 [2024-11-12 07:13:25,623 INFO L226 Difference]: Without dead ends: 587 [2024-11-12 07:13:25,624 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2024-11-12 07:13:25,625 INFO L435 NwaCegarLoop]: 170 mSDtfsCounter, 97 mSDsluCounter, 1157 mSDsCounter, 0 mSdLazyCounter, 663 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 1327 SdHoareTripleChecker+Invalid, 665 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 663 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 07:13:25,625 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 1327 Invalid, 665 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 663 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 07:13:25,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 587 states. [2024-11-12 07:13:25,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 587 to 562. [2024-11-12 07:13:25,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 562 states, 460 states have (on average 1.258695652173913) internal successors, (579), 467 states have internal predecessors, (579), 87 states have call successors, (87), 14 states have call predecessors, (87), 14 states have return successors, (87), 80 states have call predecessors, (87), 87 states have call successors, (87) [2024-11-12 07:13:25,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 562 states and 753 transitions. [2024-11-12 07:13:25,666 INFO L78 Accepts]: Start accepts. Automaton has 562 states and 753 transitions. Word has length 148 [2024-11-12 07:13:25,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:13:25,667 INFO L471 AbstractCegarLoop]: Abstraction has 562 states and 753 transitions. [2024-11-12 07:13:25,667 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 5.6) internal successors, (56), 11 states have internal predecessors, (56), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-12 07:13:25,667 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 753 transitions. [2024-11-12 07:13:25,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-12 07:13:25,669 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:13:25,669 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:13:25,669 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-12 07:13:25,669 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:13:25,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:13:25,669 INFO L85 PathProgramCache]: Analyzing trace with hash -1132673159, now seen corresponding path program 1 times [2024-11-12 07:13:25,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:13:25,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744082520] [2024-11-12 07:13:25,670 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:13:25,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:13:25,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:25,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:13:25,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:25,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:13:25,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:25,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:13:25,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:25,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:13:25,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:25,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:13:25,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:25,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:13:25,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:25,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:13:25,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:25,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:13:25,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:25,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:13:25,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:25,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:13:25,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:25,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:13:25,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:25,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:13:25,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:25,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:13:25,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:25,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:13:25,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:25,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:13:25,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:25,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:13:25,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:25,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:13:25,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:25,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:13:25,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:25,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 07:13:25,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:25,834 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-12 07:13:25,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:13:25,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744082520] [2024-11-12 07:13:25,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [744082520] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:13:25,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:13:25,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 07:13:25,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611702626] [2024-11-12 07:13:25,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:13:25,836 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 07:13:25,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:13:25,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 07:13:25,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 07:13:25,837 INFO L87 Difference]: Start difference. First operand 562 states and 753 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-12 07:13:25,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:13:25,921 INFO L93 Difference]: Finished difference Result 1106 states and 1485 transitions. [2024-11-12 07:13:25,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 07:13:25,921 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 148 [2024-11-12 07:13:25,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:13:25,924 INFO L225 Difference]: With dead ends: 1106 [2024-11-12 07:13:25,925 INFO L226 Difference]: Without dead ends: 564 [2024-11-12 07:13:25,926 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-12 07:13:25,927 INFO L435 NwaCegarLoop]: 161 mSDtfsCounter, 63 mSDsluCounter, 424 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 585 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 07:13:25,927 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 585 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 07:13:25,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2024-11-12 07:13:25,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 562. [2024-11-12 07:13:25,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 562 states, 460 states have (on average 1.2565217391304349) internal successors, (578), 467 states have internal predecessors, (578), 87 states have call successors, (87), 14 states have call predecessors, (87), 14 states have return successors, (87), 80 states have call predecessors, (87), 87 states have call successors, (87) [2024-11-12 07:13:25,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 562 states and 752 transitions. [2024-11-12 07:13:25,967 INFO L78 Accepts]: Start accepts. Automaton has 562 states and 752 transitions. Word has length 148 [2024-11-12 07:13:25,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:13:25,968 INFO L471 AbstractCegarLoop]: Abstraction has 562 states and 752 transitions. [2024-11-12 07:13:25,968 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-12 07:13:25,968 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 752 transitions. [2024-11-12 07:13:25,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-12 07:13:25,969 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:13:25,969 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:13:25,969 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-12 07:13:25,970 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:13:25,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:13:25,970 INFO L85 PathProgramCache]: Analyzing trace with hash -1634908125, now seen corresponding path program 1 times [2024-11-12 07:13:25,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:13:25,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271860537] [2024-11-12 07:13:25,970 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:13:25,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:13:25,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:26,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:13:26,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:26,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:13:26,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:26,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:13:26,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:26,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:13:26,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:26,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:13:26,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:26,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:13:26,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:26,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:13:26,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:26,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:13:26,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:26,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:13:26,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:26,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:13:26,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:26,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:13:26,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:26,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:13:26,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:26,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:13:26,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:26,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:13:26,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:26,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:13:26,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:26,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:13:26,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:26,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:13:26,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:26,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:13:26,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:26,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 07:13:26,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:26,179 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-12 07:13:26,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:13:26,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271860537] [2024-11-12 07:13:26,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271860537] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:13:26,179 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:13:26,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 07:13:26,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655888532] [2024-11-12 07:13:26,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:13:26,180 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 07:13:26,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:13:26,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 07:13:26,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 07:13:26,182 INFO L87 Difference]: Start difference. First operand 562 states and 752 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-12 07:13:26,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:13:26,304 INFO L93 Difference]: Finished difference Result 1106 states and 1483 transitions. [2024-11-12 07:13:26,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 07:13:26,305 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 148 [2024-11-12 07:13:26,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:13:26,308 INFO L225 Difference]: With dead ends: 1106 [2024-11-12 07:13:26,308 INFO L226 Difference]: Without dead ends: 564 [2024-11-12 07:13:26,309 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-12 07:13:26,310 INFO L435 NwaCegarLoop]: 161 mSDtfsCounter, 67 mSDsluCounter, 419 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 580 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 07:13:26,310 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 580 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 07:13:26,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2024-11-12 07:13:26,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 562. [2024-11-12 07:13:26,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 562 states, 460 states have (on average 1.2543478260869565) internal successors, (577), 467 states have internal predecessors, (577), 87 states have call successors, (87), 14 states have call predecessors, (87), 14 states have return successors, (87), 80 states have call predecessors, (87), 87 states have call successors, (87) [2024-11-12 07:13:26,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 562 states and 751 transitions. [2024-11-12 07:13:26,364 INFO L78 Accepts]: Start accepts. Automaton has 562 states and 751 transitions. Word has length 148 [2024-11-12 07:13:26,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:13:26,365 INFO L471 AbstractCegarLoop]: Abstraction has 562 states and 751 transitions. [2024-11-12 07:13:26,365 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-12 07:13:26,365 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 751 transitions. [2024-11-12 07:13:26,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-12 07:13:26,367 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:13:26,367 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:13:26,367 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-12 07:13:26,367 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:13:26,368 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:13:26,368 INFO L85 PathProgramCache]: Analyzing trace with hash 1071711269, now seen corresponding path program 1 times [2024-11-12 07:13:26,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:13:26,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538294454] [2024-11-12 07:13:26,368 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:13:26,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:13:26,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:26,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:13:26,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:26,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:13:26,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:26,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:13:26,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:26,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:13:26,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:26,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:13:26,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:26,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:13:26,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:26,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:13:26,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:26,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:13:26,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:26,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:13:26,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:26,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:13:26,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:26,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:13:26,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:26,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:13:26,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:26,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:13:26,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:26,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:13:26,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:26,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:13:26,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:26,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:13:26,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:26,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:13:26,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:26,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:13:26,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:26,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 07:13:26,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:26,551 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-12 07:13:26,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:13:26,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538294454] [2024-11-12 07:13:26,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538294454] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:13:26,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:13:26,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 07:13:26,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395874384] [2024-11-12 07:13:26,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:13:26,552 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 07:13:26,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:13:26,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 07:13:26,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 07:13:26,552 INFO L87 Difference]: Start difference. First operand 562 states and 751 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-12 07:13:26,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:13:26,646 INFO L93 Difference]: Finished difference Result 1104 states and 1476 transitions. [2024-11-12 07:13:26,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 07:13:26,646 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 148 [2024-11-12 07:13:26,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:13:26,649 INFO L225 Difference]: With dead ends: 1104 [2024-11-12 07:13:26,649 INFO L226 Difference]: Without dead ends: 562 [2024-11-12 07:13:26,650 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-12 07:13:26,651 INFO L435 NwaCegarLoop]: 179 mSDtfsCounter, 46 mSDsluCounter, 460 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 639 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 07:13:26,651 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 639 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 07:13:26,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 562 states. [2024-11-12 07:13:26,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 562 to 543. [2024-11-12 07:13:26,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 543 states, 446 states have (on average 1.2556053811659194) internal successors, (560), 452 states have internal predecessors, (560), 83 states have call successors, (83), 13 states have call predecessors, (83), 13 states have return successors, (83), 77 states have call predecessors, (83), 83 states have call successors, (83) [2024-11-12 07:13:26,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 726 transitions. [2024-11-12 07:13:26,691 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 726 transitions. Word has length 148 [2024-11-12 07:13:26,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:13:26,692 INFO L471 AbstractCegarLoop]: Abstraction has 543 states and 726 transitions. [2024-11-12 07:13:26,692 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-12 07:13:26,692 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 726 transitions. [2024-11-12 07:13:26,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-12 07:13:26,694 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:13:26,694 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:13:26,694 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-12 07:13:26,694 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:13:26,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:13:26,694 INFO L85 PathProgramCache]: Analyzing trace with hash -365804597, now seen corresponding path program 1 times [2024-11-12 07:13:26,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:13:26,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589282097] [2024-11-12 07:13:26,695 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:13:26,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:13:26,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:26,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:13:26,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:26,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:13:26,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:26,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:13:26,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:26,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:13:26,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:26,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:13:26,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:26,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:13:26,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:26,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:13:26,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:26,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:13:26,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:26,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:13:26,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:26,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:13:26,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:26,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:13:26,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:26,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:13:26,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:26,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:13:26,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:26,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:13:26,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:26,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:13:26,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:26,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:13:26,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:26,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:13:26,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:26,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:13:26,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:26,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 07:13:26,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:26,958 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-12 07:13:26,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:13:26,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589282097] [2024-11-12 07:13:26,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589282097] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:13:26,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:13:26,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-12 07:13:26,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546148007] [2024-11-12 07:13:26,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:13:26,960 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 07:13:26,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:13:26,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 07:13:26,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-12 07:13:26,961 INFO L87 Difference]: Start difference. First operand 543 states and 726 transitions. Second operand has 6 states, 5 states have (on average 11.4) internal successors, (57), 6 states have internal predecessors, (57), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-12 07:13:27,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:13:27,093 INFO L93 Difference]: Finished difference Result 1079 states and 1434 transitions. [2024-11-12 07:13:27,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 07:13:27,093 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.4) internal successors, (57), 6 states have internal predecessors, (57), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 149 [2024-11-12 07:13:27,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:13:27,096 INFO L225 Difference]: With dead ends: 1079 [2024-11-12 07:13:27,096 INFO L226 Difference]: Without dead ends: 539 [2024-11-12 07:13:27,098 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-12 07:13:27,098 INFO L435 NwaCegarLoop]: 193 mSDtfsCounter, 68 mSDsluCounter, 633 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 826 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 07:13:27,098 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 826 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 07:13:27,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 539 states. [2024-11-12 07:13:27,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 539 to 503. [2024-11-12 07:13:27,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 503 states, 414 states have (on average 1.2318840579710144) internal successors, (510), 420 states have internal predecessors, (510), 74 states have call successors, (74), 14 states have call predecessors, (74), 14 states have return successors, (74), 68 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-12 07:13:27,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 503 states and 658 transitions. [2024-11-12 07:13:27,135 INFO L78 Accepts]: Start accepts. Automaton has 503 states and 658 transitions. Word has length 149 [2024-11-12 07:13:27,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:13:27,135 INFO L471 AbstractCegarLoop]: Abstraction has 503 states and 658 transitions. [2024-11-12 07:13:27,135 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.4) internal successors, (57), 6 states have internal predecessors, (57), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-12 07:13:27,135 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 658 transitions. [2024-11-12 07:13:27,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-12 07:13:27,137 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:13:27,137 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:13:27,137 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-12 07:13:27,137 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:13:27,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:13:27,138 INFO L85 PathProgramCache]: Analyzing trace with hash -1711229009, now seen corresponding path program 1 times [2024-11-12 07:13:27,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:13:27,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116455598] [2024-11-12 07:13:27,138 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:13:27,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:13:27,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:27,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:13:27,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:27,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:13:27,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:27,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:13:27,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:27,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:13:27,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:27,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:13:27,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:27,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:13:27,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:27,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:13:27,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:27,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:13:27,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:27,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:13:27,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:27,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:13:27,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:27,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:13:27,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:27,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:13:27,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:27,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:13:27,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:27,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:13:27,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:27,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:13:27,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:27,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:13:27,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:27,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:13:27,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:27,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:13:27,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:27,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 07:13:27,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:27,616 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-12 07:13:27,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:13:27,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116455598] [2024-11-12 07:13:27,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1116455598] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:13:27,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:13:27,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-12 07:13:27,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954645151] [2024-11-12 07:13:27,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:13:27,618 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-12 07:13:27,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:13:27,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 07:13:27,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-12 07:13:27,619 INFO L87 Difference]: Start difference. First operand 503 states and 658 transitions. Second operand has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-12 07:13:27,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:13:27,966 INFO L93 Difference]: Finished difference Result 1254 states and 1645 transitions. [2024-11-12 07:13:27,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-12 07:13:27,967 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 149 [2024-11-12 07:13:27,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:13:27,969 INFO L225 Difference]: With dead ends: 1254 [2024-11-12 07:13:27,969 INFO L226 Difference]: Without dead ends: 754 [2024-11-12 07:13:27,970 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-12 07:13:27,971 INFO L435 NwaCegarLoop]: 174 mSDtfsCounter, 99 mSDsluCounter, 643 mSDsCounter, 0 mSdLazyCounter, 264 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 817 SdHoareTripleChecker+Invalid, 268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 07:13:27,971 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 817 Invalid, 268 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 264 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 07:13:27,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 754 states. [2024-11-12 07:13:28,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 754 to 750. [2024-11-12 07:13:28,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 750 states, 593 states have (on average 1.21247892074199) internal successors, (719), 601 states have internal predecessors, (719), 132 states have call successors, (132), 24 states have call predecessors, (132), 24 states have return successors, (132), 124 states have call predecessors, (132), 132 states have call successors, (132) [2024-11-12 07:13:28,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 750 states and 983 transitions. [2024-11-12 07:13:28,025 INFO L78 Accepts]: Start accepts. Automaton has 750 states and 983 transitions. Word has length 149 [2024-11-12 07:13:28,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:13:28,025 INFO L471 AbstractCegarLoop]: Abstraction has 750 states and 983 transitions. [2024-11-12 07:13:28,025 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-12 07:13:28,025 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 983 transitions. [2024-11-12 07:13:28,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-12 07:13:28,026 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:13:28,027 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:13:28,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-12 07:13:28,027 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:13:28,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:13:28,027 INFO L85 PathProgramCache]: Analyzing trace with hash -823684889, now seen corresponding path program 1 times [2024-11-12 07:13:28,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:13:28,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234139098] [2024-11-12 07:13:28,028 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:13:28,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:13:28,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:29,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:13:29,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:29,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:13:29,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:29,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:13:29,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:29,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:13:29,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:29,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:13:29,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:29,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:13:29,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:29,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:13:29,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:29,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:13:29,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:29,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:13:29,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:29,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:13:29,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:29,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:13:29,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:29,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:13:29,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:29,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:13:29,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:29,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:13:29,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:29,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:13:29,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:29,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:13:29,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:29,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:13:29,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:29,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:13:29,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:29,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 07:13:29,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:29,751 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-12 07:13:29,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:13:29,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234139098] [2024-11-12 07:13:29,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [234139098] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:13:29,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:13:29,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-12 07:13:29,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055536366] [2024-11-12 07:13:29,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:13:29,752 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-12 07:13:29,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:13:29,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-12 07:13:29,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2024-11-12 07:13:29,753 INFO L87 Difference]: Start difference. First operand 750 states and 983 transitions. Second operand has 13 states, 10 states have (on average 5.8) internal successors, (58), 13 states have internal predecessors, (58), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-12 07:13:31,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:13:31,705 INFO L93 Difference]: Finished difference Result 1833 states and 2403 transitions. [2024-11-12 07:13:31,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-12 07:13:31,708 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 10 states have (on average 5.8) internal successors, (58), 13 states have internal predecessors, (58), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 4 states have call successors, (19) Word has length 150 [2024-11-12 07:13:31,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:13:31,712 INFO L225 Difference]: With dead ends: 1833 [2024-11-12 07:13:31,712 INFO L226 Difference]: Without dead ends: 1086 [2024-11-12 07:13:31,714 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2024-11-12 07:13:31,715 INFO L435 NwaCegarLoop]: 145 mSDtfsCounter, 182 mSDsluCounter, 915 mSDsCounter, 0 mSdLazyCounter, 1039 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 1060 SdHoareTripleChecker+Invalid, 1042 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1039 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-12 07:13:31,715 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 1060 Invalid, 1042 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1039 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-12 07:13:31,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1086 states. [2024-11-12 07:13:31,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1086 to 773. [2024-11-12 07:13:31,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 773 states, 616 states have (on average 1.2175324675324675) internal successors, (750), 624 states have internal predecessors, (750), 132 states have call successors, (132), 24 states have call predecessors, (132), 24 states have return successors, (132), 124 states have call predecessors, (132), 132 states have call successors, (132) [2024-11-12 07:13:31,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 773 states to 773 states and 1014 transitions. [2024-11-12 07:13:31,824 INFO L78 Accepts]: Start accepts. Automaton has 773 states and 1014 transitions. Word has length 150 [2024-11-12 07:13:31,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:13:31,825 INFO L471 AbstractCegarLoop]: Abstraction has 773 states and 1014 transitions. [2024-11-12 07:13:31,825 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 10 states have (on average 5.8) internal successors, (58), 13 states have internal predecessors, (58), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-12 07:13:31,825 INFO L276 IsEmpty]: Start isEmpty. Operand 773 states and 1014 transitions. [2024-11-12 07:13:31,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-12 07:13:31,826 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:13:31,826 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:13:31,827 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-12 07:13:31,827 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:13:31,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:13:31,828 INFO L85 PathProgramCache]: Analyzing trace with hash 1477137701, now seen corresponding path program 1 times [2024-11-12 07:13:31,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:13:31,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18272855] [2024-11-12 07:13:31,828 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:13:31,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:13:31,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:32,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:13:32,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:32,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:13:32,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:32,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:13:32,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:32,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:13:32,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:32,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:13:32,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:32,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:13:32,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:32,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:13:32,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:32,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:13:32,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:32,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:13:32,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:32,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:13:32,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:32,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:13:32,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:32,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:13:32,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:32,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:13:32,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:32,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:13:32,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:32,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:13:32,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:32,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:13:32,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:32,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:13:32,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:32,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:13:32,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:32,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 07:13:32,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:32,275 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-12 07:13:32,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:13:32,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18272855] [2024-11-12 07:13:32,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18272855] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:13:32,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:13:32,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-12 07:13:32,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130910885] [2024-11-12 07:13:32,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:13:32,276 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-12 07:13:32,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:13:32,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 07:13:32,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-12 07:13:32,277 INFO L87 Difference]: Start difference. First operand 773 states and 1014 transitions. Second operand has 7 states, 6 states have (on average 9.666666666666666) internal successors, (58), 7 states have internal predecessors, (58), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-12 07:13:32,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:13:32,766 INFO L93 Difference]: Finished difference Result 1844 states and 2419 transitions. [2024-11-12 07:13:32,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-12 07:13:32,766 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 9.666666666666666) internal successors, (58), 7 states have internal predecessors, (58), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 150 [2024-11-12 07:13:32,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:13:32,770 INFO L225 Difference]: With dead ends: 1844 [2024-11-12 07:13:32,770 INFO L226 Difference]: Without dead ends: 1074 [2024-11-12 07:13:32,772 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-12 07:13:32,772 INFO L435 NwaCegarLoop]: 144 mSDtfsCounter, 85 mSDsluCounter, 455 mSDsCounter, 0 mSdLazyCounter, 367 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 599 SdHoareTripleChecker+Invalid, 370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 367 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 07:13:32,772 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 599 Invalid, 370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 367 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 07:13:32,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1074 states. [2024-11-12 07:13:32,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1074 to 1070. [2024-11-12 07:13:32,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1070 states, 843 states have (on average 1.206405693950178) internal successors, (1017), 856 states have internal predecessors, (1017), 192 states have call successors, (192), 34 states have call predecessors, (192), 34 states have return successors, (192), 179 states have call predecessors, (192), 192 states have call successors, (192) [2024-11-12 07:13:32,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1070 states to 1070 states and 1401 transitions. [2024-11-12 07:13:32,929 INFO L78 Accepts]: Start accepts. Automaton has 1070 states and 1401 transitions. Word has length 150 [2024-11-12 07:13:32,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:13:32,929 INFO L471 AbstractCegarLoop]: Abstraction has 1070 states and 1401 transitions. [2024-11-12 07:13:32,929 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 9.666666666666666) internal successors, (58), 7 states have internal predecessors, (58), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-12 07:13:32,929 INFO L276 IsEmpty]: Start isEmpty. Operand 1070 states and 1401 transitions. [2024-11-12 07:13:32,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-12 07:13:32,930 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:13:32,930 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:13:32,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-12 07:13:32,931 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:13:32,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:13:32,931 INFO L85 PathProgramCache]: Analyzing trace with hash 197274023, now seen corresponding path program 1 times [2024-11-12 07:13:32,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:13:32,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051576222] [2024-11-12 07:13:32,931 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:13:32,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:13:32,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:33,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:13:33,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:33,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:13:33,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:33,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:13:33,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:33,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:13:33,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:33,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:13:33,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:33,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:13:33,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:33,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:13:33,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:33,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:13:33,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:33,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:13:33,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:33,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:13:33,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:33,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:13:33,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:33,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:13:33,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:33,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:13:33,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:33,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:13:33,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:33,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:13:33,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:33,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:13:33,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:33,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:13:33,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:33,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:13:33,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:33,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 07:13:33,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:33,504 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-12 07:13:33,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:13:33,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051576222] [2024-11-12 07:13:33,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051576222] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:13:33,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:13:33,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-12 07:13:33,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596095900] [2024-11-12 07:13:33,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:13:33,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-12 07:13:33,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:13:33,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-12 07:13:33,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-12 07:13:33,506 INFO L87 Difference]: Start difference. First operand 1070 states and 1401 transitions. Second operand has 11 states, 10 states have (on average 5.8) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-12 07:13:34,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:13:34,326 INFO L93 Difference]: Finished difference Result 2404 states and 3153 transitions. [2024-11-12 07:13:34,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-12 07:13:34,327 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 5.8) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 150 [2024-11-12 07:13:34,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:13:34,332 INFO L225 Difference]: With dead ends: 2404 [2024-11-12 07:13:34,332 INFO L226 Difference]: Without dead ends: 1354 [2024-11-12 07:13:34,334 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 46 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2024-11-12 07:13:34,334 INFO L435 NwaCegarLoop]: 189 mSDtfsCounter, 91 mSDsluCounter, 1080 mSDsCounter, 0 mSdLazyCounter, 641 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 1269 SdHoareTripleChecker+Invalid, 642 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 641 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-12 07:13:34,335 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 1269 Invalid, 642 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 641 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-12 07:13:34,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1354 states. [2024-11-12 07:13:34,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1354 to 1084. [2024-11-12 07:13:34,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1084 states, 857 states have (on average 1.2100350058343057) internal successors, (1037), 870 states have internal predecessors, (1037), 192 states have call successors, (192), 34 states have call predecessors, (192), 34 states have return successors, (192), 179 states have call predecessors, (192), 192 states have call successors, (192) [2024-11-12 07:13:34,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1084 states to 1084 states and 1421 transitions. [2024-11-12 07:13:34,445 INFO L78 Accepts]: Start accepts. Automaton has 1084 states and 1421 transitions. Word has length 150 [2024-11-12 07:13:34,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:13:34,446 INFO L471 AbstractCegarLoop]: Abstraction has 1084 states and 1421 transitions. [2024-11-12 07:13:34,446 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 5.8) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-12 07:13:34,446 INFO L276 IsEmpty]: Start isEmpty. Operand 1084 states and 1421 transitions. [2024-11-12 07:13:34,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-12 07:13:34,447 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:13:34,447 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:13:34,447 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-12 07:13:34,448 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:13:34,448 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:13:34,448 INFO L85 PathProgramCache]: Analyzing trace with hash -604830171, now seen corresponding path program 1 times [2024-11-12 07:13:34,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:13:34,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985916942] [2024-11-12 07:13:34,448 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:13:34,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:13:34,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:35,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:13:35,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:35,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:13:35,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:35,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:13:35,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:35,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:13:35,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:35,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:13:35,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:35,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:13:35,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:35,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:13:35,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:35,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:13:35,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:35,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:13:35,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:35,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:13:35,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:35,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:13:35,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:35,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:13:35,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:35,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:13:35,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:35,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:13:35,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:35,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:13:35,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:35,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:13:35,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:35,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:13:35,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:35,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:13:35,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:35,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 07:13:35,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:35,674 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-12 07:13:35,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:13:35,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985916942] [2024-11-12 07:13:35,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985916942] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:13:35,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:13:35,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-12 07:13:35,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016553059] [2024-11-12 07:13:35,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:13:35,676 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-12 07:13:35,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:13:35,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-12 07:13:35,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-12 07:13:35,677 INFO L87 Difference]: Start difference. First operand 1084 states and 1421 transitions. Second operand has 12 states, 9 states have (on average 6.444444444444445) internal successors, (58), 12 states have internal predecessors, (58), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-12 07:13:36,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:13:36,383 INFO L93 Difference]: Finished difference Result 2408 states and 3157 transitions. [2024-11-12 07:13:36,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-12 07:13:36,388 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 6.444444444444445) internal successors, (58), 12 states have internal predecessors, (58), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 4 states have call successors, (19) Word has length 150 [2024-11-12 07:13:36,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:13:36,393 INFO L225 Difference]: With dead ends: 2408 [2024-11-12 07:13:36,393 INFO L226 Difference]: Without dead ends: 1344 [2024-11-12 07:13:36,396 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 48 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2024-11-12 07:13:36,397 INFO L435 NwaCegarLoop]: 157 mSDtfsCounter, 89 mSDsluCounter, 838 mSDsCounter, 0 mSdLazyCounter, 729 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 995 SdHoareTripleChecker+Invalid, 734 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 729 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-12 07:13:36,397 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 995 Invalid, 734 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 729 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-12 07:13:36,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1344 states. [2024-11-12 07:13:36,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1344 to 1076. [2024-11-12 07:13:36,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1076 states, 849 states have (on average 1.2073027090694934) internal successors, (1025), 862 states have internal predecessors, (1025), 192 states have call successors, (192), 34 states have call predecessors, (192), 34 states have return successors, (192), 179 states have call predecessors, (192), 192 states have call successors, (192) [2024-11-12 07:13:36,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1076 states to 1076 states and 1409 transitions. [2024-11-12 07:13:36,499 INFO L78 Accepts]: Start accepts. Automaton has 1076 states and 1409 transitions. Word has length 150 [2024-11-12 07:13:36,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:13:36,500 INFO L471 AbstractCegarLoop]: Abstraction has 1076 states and 1409 transitions. [2024-11-12 07:13:36,500 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 6.444444444444445) internal successors, (58), 12 states have internal predecessors, (58), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-12 07:13:36,500 INFO L276 IsEmpty]: Start isEmpty. Operand 1076 states and 1409 transitions. [2024-11-12 07:13:36,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-12 07:13:36,501 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:13:36,501 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:13:36,502 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-12 07:13:36,502 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:13:36,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:13:36,502 INFO L85 PathProgramCache]: Analyzing trace with hash -2046485093, now seen corresponding path program 1 times [2024-11-12 07:13:36,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:13:36,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108952312] [2024-11-12 07:13:36,503 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:13:36,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:13:36,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:38,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:13:38,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:38,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:13:38,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:38,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:13:38,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:38,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:13:38,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:38,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:13:38,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:38,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:13:38,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:38,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:13:38,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:38,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:13:38,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:38,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:13:38,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:38,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:13:38,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:38,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:13:38,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:38,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:13:38,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:38,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:13:38,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:38,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:13:38,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:38,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:13:38,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:38,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:13:38,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:38,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:13:38,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:38,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:13:38,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:38,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 07:13:38,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:38,659 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-12 07:13:38,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:13:38,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108952312] [2024-11-12 07:13:38,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [108952312] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:13:38,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:13:38,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-12 07:13:38,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890935517] [2024-11-12 07:13:38,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:13:38,661 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-12 07:13:38,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:13:38,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-12 07:13:38,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182 [2024-11-12 07:13:38,662 INFO L87 Difference]: Start difference. First operand 1076 states and 1409 transitions. Second operand has 14 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 14 states have internal predecessors, (58), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-12 07:13:41,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:13:41,085 INFO L93 Difference]: Finished difference Result 2705 states and 3553 transitions. [2024-11-12 07:13:41,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-12 07:13:41,085 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 14 states have internal predecessors, (58), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 4 states have call successors, (19) Word has length 150 [2024-11-12 07:13:41,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:13:41,091 INFO L225 Difference]: With dead ends: 2705 [2024-11-12 07:13:41,091 INFO L226 Difference]: Without dead ends: 1649 [2024-11-12 07:13:41,094 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 49 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2024-11-12 07:13:41,094 INFO L435 NwaCegarLoop]: 263 mSDtfsCounter, 161 mSDsluCounter, 1847 mSDsCounter, 0 mSdLazyCounter, 1504 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 2110 SdHoareTripleChecker+Invalid, 1533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1504 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-12 07:13:41,094 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 2110 Invalid, 1533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1504 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-12 07:13:41,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1649 states. [2024-11-12 07:13:41,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1649 to 1121. [2024-11-12 07:13:41,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1121 states, 894 states have (on average 1.2170022371364653) internal successors, (1088), 907 states have internal predecessors, (1088), 192 states have call successors, (192), 34 states have call predecessors, (192), 34 states have return successors, (192), 179 states have call predecessors, (192), 192 states have call successors, (192) [2024-11-12 07:13:41,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1121 states to 1121 states and 1472 transitions. [2024-11-12 07:13:41,229 INFO L78 Accepts]: Start accepts. Automaton has 1121 states and 1472 transitions. Word has length 150 [2024-11-12 07:13:41,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:13:41,229 INFO L471 AbstractCegarLoop]: Abstraction has 1121 states and 1472 transitions. [2024-11-12 07:13:41,229 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 14 states have internal predecessors, (58), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-12 07:13:41,230 INFO L276 IsEmpty]: Start isEmpty. Operand 1121 states and 1472 transitions. [2024-11-12 07:13:41,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-12 07:13:41,231 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:13:41,231 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:13:41,231 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-12 07:13:41,232 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:13:41,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:13:41,232 INFO L85 PathProgramCache]: Analyzing trace with hash 1430833753, now seen corresponding path program 1 times [2024-11-12 07:13:41,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:13:41,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48462789] [2024-11-12 07:13:41,232 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:13:41,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:13:41,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:41,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:13:41,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:41,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:13:41,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:41,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:13:41,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:41,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:13:41,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:41,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:13:41,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:41,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:13:41,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:41,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:13:41,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:41,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:13:41,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:41,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:13:41,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:41,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:13:41,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:41,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:13:41,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:41,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:13:41,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:41,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:13:41,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:41,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:13:41,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:41,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:13:41,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:41,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:13:41,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:41,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:13:41,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:41,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:13:41,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:41,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 07:13:41,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:41,498 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-12 07:13:41,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:13:41,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48462789] [2024-11-12 07:13:41,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48462789] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:13:41,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:13:41,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 07:13:41,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287365900] [2024-11-12 07:13:41,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:13:41,500 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 07:13:41,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:13:41,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 07:13:41,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-12 07:13:41,501 INFO L87 Difference]: Start difference. First operand 1121 states and 1472 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-12 07:13:42,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:13:42,043 INFO L93 Difference]: Finished difference Result 2734 states and 3595 transitions. [2024-11-12 07:13:42,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 07:13:42,044 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 150 [2024-11-12 07:13:42,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:13:42,051 INFO L225 Difference]: With dead ends: 2734 [2024-11-12 07:13:42,051 INFO L226 Difference]: Without dead ends: 1633 [2024-11-12 07:13:42,053 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-12 07:13:42,053 INFO L435 NwaCegarLoop]: 197 mSDtfsCounter, 104 mSDsluCounter, 354 mSDsCounter, 0 mSdLazyCounter, 282 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 551 SdHoareTripleChecker+Invalid, 285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 07:13:42,054 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 551 Invalid, 285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 282 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 07:13:42,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1633 states. [2024-11-12 07:13:42,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1633 to 1099. [2024-11-12 07:13:42,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1099 states, 872 states have (on average 1.216743119266055) internal successors, (1061), 885 states have internal predecessors, (1061), 192 states have call successors, (192), 34 states have call predecessors, (192), 34 states have return successors, (192), 179 states have call predecessors, (192), 192 states have call successors, (192) [2024-11-12 07:13:42,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1099 states to 1099 states and 1445 transitions. [2024-11-12 07:13:42,181 INFO L78 Accepts]: Start accepts. Automaton has 1099 states and 1445 transitions. Word has length 150 [2024-11-12 07:13:42,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:13:42,181 INFO L471 AbstractCegarLoop]: Abstraction has 1099 states and 1445 transitions. [2024-11-12 07:13:42,182 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-12 07:13:42,182 INFO L276 IsEmpty]: Start isEmpty. Operand 1099 states and 1445 transitions. [2024-11-12 07:13:42,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-12 07:13:42,183 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:13:42,183 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:13:42,183 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-12 07:13:42,183 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:13:42,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:13:42,184 INFO L85 PathProgramCache]: Analyzing trace with hash -2108524707, now seen corresponding path program 1 times [2024-11-12 07:13:42,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:13:42,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992169366] [2024-11-12 07:13:42,184 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:13:42,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:13:42,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:43,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:13:43,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:43,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:13:43,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:43,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:13:43,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:43,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:13:43,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:43,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:13:43,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:43,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:13:43,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:43,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:13:43,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:43,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:13:43,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:43,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:13:43,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:43,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:13:43,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:43,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:13:43,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:43,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:13:43,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:43,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:13:43,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:43,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:13:43,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:43,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:13:43,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:43,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:13:43,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:43,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:13:43,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:43,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:13:43,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:43,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 07:13:43,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:43,165 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-12 07:13:43,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:13:43,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992169366] [2024-11-12 07:13:43,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992169366] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:13:43,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:13:43,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-12 07:13:43,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560918682] [2024-11-12 07:13:43,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:13:43,166 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-12 07:13:43,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:13:43,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-12 07:13:43,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2024-11-12 07:13:43,167 INFO L87 Difference]: Start difference. First operand 1099 states and 1445 transitions. Second operand has 14 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 14 states have internal predecessors, (58), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-12 07:13:44,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:13:44,283 INFO L93 Difference]: Finished difference Result 2466 states and 3246 transitions. [2024-11-12 07:13:44,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-12 07:13:44,284 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 14 states have internal predecessors, (58), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 4 states have call successors, (19) Word has length 150 [2024-11-12 07:13:44,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:13:44,289 INFO L225 Difference]: With dead ends: 2466 [2024-11-12 07:13:44,291 INFO L226 Difference]: Without dead ends: 1387 [2024-11-12 07:13:44,293 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=60, Invalid=320, Unknown=0, NotChecked=0, Total=380 [2024-11-12 07:13:44,294 INFO L435 NwaCegarLoop]: 197 mSDtfsCounter, 241 mSDsluCounter, 1436 mSDsCounter, 0 mSdLazyCounter, 1143 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 244 SdHoareTripleChecker+Valid, 1633 SdHoareTripleChecker+Invalid, 1173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-12 07:13:44,294 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [244 Valid, 1633 Invalid, 1173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1143 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-12 07:13:44,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1387 states. [2024-11-12 07:13:44,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1387 to 1103. [2024-11-12 07:13:44,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1103 states, 876 states have (on average 1.2157534246575343) internal successors, (1065), 889 states have internal predecessors, (1065), 192 states have call successors, (192), 34 states have call predecessors, (192), 34 states have return successors, (192), 179 states have call predecessors, (192), 192 states have call successors, (192) [2024-11-12 07:13:44,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1103 states to 1103 states and 1449 transitions. [2024-11-12 07:13:44,459 INFO L78 Accepts]: Start accepts. Automaton has 1103 states and 1449 transitions. Word has length 150 [2024-11-12 07:13:44,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:13:44,459 INFO L471 AbstractCegarLoop]: Abstraction has 1103 states and 1449 transitions. [2024-11-12 07:13:44,460 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 14 states have internal predecessors, (58), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-12 07:13:44,460 INFO L276 IsEmpty]: Start isEmpty. Operand 1103 states and 1449 transitions. [2024-11-12 07:13:44,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-12 07:13:44,461 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:13:44,461 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:13:44,462 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-12 07:13:44,462 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:13:44,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:13:44,462 INFO L85 PathProgramCache]: Analyzing trace with hash 1165374235, now seen corresponding path program 1 times [2024-11-12 07:13:44,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:13:44,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217894658] [2024-11-12 07:13:44,462 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:13:44,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:13:44,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:44,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:13:44,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:44,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:13:44,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:44,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:13:44,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:44,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:13:44,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:44,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:13:44,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:44,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:13:44,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:44,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:13:44,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:44,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:13:44,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:44,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:13:44,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:44,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:13:44,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:44,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:13:44,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:44,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:13:44,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:44,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:13:44,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:44,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:13:44,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:44,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:13:44,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:44,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:13:44,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:44,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:13:44,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:44,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:13:44,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:44,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 07:13:44,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:44,878 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-12 07:13:44,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:13:44,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217894658] [2024-11-12 07:13:44,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [217894658] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:13:44,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:13:44,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-12 07:13:44,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251092468] [2024-11-12 07:13:44,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:13:44,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 07:13:44,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:13:44,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 07:13:44,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-12 07:13:44,880 INFO L87 Difference]: Start difference. First operand 1103 states and 1449 transitions. Second operand has 8 states, 6 states have (on average 9.666666666666666) internal successors, (58), 8 states have internal predecessors, (58), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-12 07:13:45,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:13:45,375 INFO L93 Difference]: Finished difference Result 2335 states and 3064 transitions. [2024-11-12 07:13:45,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 07:13:45,376 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 9.666666666666666) internal successors, (58), 8 states have internal predecessors, (58), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) Word has length 150 [2024-11-12 07:13:45,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:13:45,383 INFO L225 Difference]: With dead ends: 2335 [2024-11-12 07:13:45,383 INFO L226 Difference]: Without dead ends: 1252 [2024-11-12 07:13:45,385 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-12 07:13:45,386 INFO L435 NwaCegarLoop]: 208 mSDtfsCounter, 95 mSDsluCounter, 839 mSDsCounter, 0 mSdLazyCounter, 543 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 1047 SdHoareTripleChecker+Invalid, 545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 543 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 07:13:45,386 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 1047 Invalid, 545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 543 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 07:13:45,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1252 states. [2024-11-12 07:13:45,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1252 to 1147. [2024-11-12 07:13:45,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1147 states, 915 states have (on average 1.2109289617486338) internal successors, (1108), 929 states have internal predecessors, (1108), 196 states have call successors, (196), 35 states have call predecessors, (196), 35 states have return successors, (196), 182 states have call predecessors, (196), 196 states have call successors, (196) [2024-11-12 07:13:45,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1147 states to 1147 states and 1500 transitions. [2024-11-12 07:13:45,671 INFO L78 Accepts]: Start accepts. Automaton has 1147 states and 1500 transitions. Word has length 150 [2024-11-12 07:13:45,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:13:45,671 INFO L471 AbstractCegarLoop]: Abstraction has 1147 states and 1500 transitions. [2024-11-12 07:13:45,672 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 9.666666666666666) internal successors, (58), 8 states have internal predecessors, (58), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-12 07:13:45,672 INFO L276 IsEmpty]: Start isEmpty. Operand 1147 states and 1500 transitions. [2024-11-12 07:13:45,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-12 07:13:45,673 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:13:45,674 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:13:45,674 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-12 07:13:45,674 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:13:45,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:13:45,674 INFO L85 PathProgramCache]: Analyzing trace with hash 562518505, now seen corresponding path program 1 times [2024-11-12 07:13:45,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:13:45,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509718858] [2024-11-12 07:13:45,675 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:13:45,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:13:45,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:46,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:13:46,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:46,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:13:46,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:46,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:13:46,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:46,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:13:46,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:46,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:13:46,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:46,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:13:46,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:46,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:13:46,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:46,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:13:46,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:46,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:13:46,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:46,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:13:46,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:46,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:13:46,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:46,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:13:46,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:46,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:13:46,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:46,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:13:46,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:46,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:13:46,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:46,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:13:46,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:46,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:13:46,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:46,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:13:46,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:46,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 07:13:46,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:46,458 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-12 07:13:46,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:13:46,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509718858] [2024-11-12 07:13:46,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1509718858] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:13:46,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:13:46,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-12 07:13:46,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474535447] [2024-11-12 07:13:46,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:13:46,458 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-12 07:13:46,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:13:46,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-12 07:13:46,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-12 07:13:46,459 INFO L87 Difference]: Start difference. First operand 1147 states and 1500 transitions. Second operand has 10 states, 8 states have (on average 7.25) internal successors, (58), 10 states have internal predecessors, (58), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-12 07:13:47,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:13:47,335 INFO L93 Difference]: Finished difference Result 2604 states and 3406 transitions. [2024-11-12 07:13:47,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-12 07:13:47,336 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 7.25) internal successors, (58), 10 states have internal predecessors, (58), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) Word has length 150 [2024-11-12 07:13:47,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:13:47,343 INFO L225 Difference]: With dead ends: 2604 [2024-11-12 07:13:47,344 INFO L226 Difference]: Without dead ends: 1477 [2024-11-12 07:13:47,346 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-12 07:13:47,346 INFO L435 NwaCegarLoop]: 151 mSDtfsCounter, 243 mSDsluCounter, 576 mSDsCounter, 0 mSdLazyCounter, 751 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 727 SdHoareTripleChecker+Invalid, 784 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 751 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-12 07:13:47,346 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [245 Valid, 727 Invalid, 784 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 751 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-12 07:13:47,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1477 states. [2024-11-12 07:13:47,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1477 to 856. [2024-11-12 07:13:47,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 856 states, 697 states have (on average 1.223816355810617) internal successors, (853), 706 states have internal predecessors, (853), 132 states have call successors, (132), 26 states have call predecessors, (132), 26 states have return successors, (132), 123 states have call predecessors, (132), 132 states have call successors, (132) [2024-11-12 07:13:47,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 856 states and 1117 transitions. [2024-11-12 07:13:47,501 INFO L78 Accepts]: Start accepts. Automaton has 856 states and 1117 transitions. Word has length 150 [2024-11-12 07:13:47,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:13:47,502 INFO L471 AbstractCegarLoop]: Abstraction has 856 states and 1117 transitions. [2024-11-12 07:13:47,502 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 7.25) internal successors, (58), 10 states have internal predecessors, (58), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-12 07:13:47,502 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1117 transitions. [2024-11-12 07:13:47,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-12 07:13:47,503 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:13:47,504 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:13:47,504 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-12 07:13:47,504 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:13:47,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:13:47,504 INFO L85 PathProgramCache]: Analyzing trace with hash 1583477417, now seen corresponding path program 1 times [2024-11-12 07:13:47,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:13:47,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672170373] [2024-11-12 07:13:47,505 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:13:47,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:13:47,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:47,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:13:47,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:47,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:13:47,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:47,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:13:47,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:47,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:13:47,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:47,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:13:47,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:47,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:13:47,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:47,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:13:47,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:47,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:13:47,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:47,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:13:47,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:47,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:13:47,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:47,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:13:47,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:47,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:13:47,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:47,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:13:47,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:47,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:13:47,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:47,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:13:47,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:47,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:13:47,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:47,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:13:47,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:47,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:13:47,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:47,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 07:13:47,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:47,836 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-12 07:13:47,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:13:47,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672170373] [2024-11-12 07:13:47,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672170373] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:13:47,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:13:47,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-12 07:13:47,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183546228] [2024-11-12 07:13:47,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:13:47,837 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-12 07:13:47,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:13:47,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-12 07:13:47,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-12 07:13:47,838 INFO L87 Difference]: Start difference. First operand 856 states and 1117 transitions. Second operand has 10 states, 9 states have (on average 6.444444444444445) internal successors, (58), 10 states have internal predecessors, (58), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-12 07:13:48,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:13:48,314 INFO L93 Difference]: Finished difference Result 1823 states and 2382 transitions. [2024-11-12 07:13:48,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 07:13:48,314 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.444444444444445) internal successors, (58), 10 states have internal predecessors, (58), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 150 [2024-11-12 07:13:48,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:13:48,318 INFO L225 Difference]: With dead ends: 1823 [2024-11-12 07:13:48,318 INFO L226 Difference]: Without dead ends: 987 [2024-11-12 07:13:48,320 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-11-12 07:13:48,320 INFO L435 NwaCegarLoop]: 200 mSDtfsCounter, 96 mSDsluCounter, 853 mSDsCounter, 0 mSdLazyCounter, 462 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 1053 SdHoareTripleChecker+Invalid, 463 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 462 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 07:13:48,320 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 1053 Invalid, 463 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 462 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 07:13:48,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 987 states. [2024-11-12 07:13:48,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 987 to 856. [2024-11-12 07:13:48,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 856 states, 697 states have (on average 1.2209469153515065) internal successors, (851), 706 states have internal predecessors, (851), 132 states have call successors, (132), 26 states have call predecessors, (132), 26 states have return successors, (132), 123 states have call predecessors, (132), 132 states have call successors, (132) [2024-11-12 07:13:48,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 856 states and 1115 transitions. [2024-11-12 07:13:48,462 INFO L78 Accepts]: Start accepts. Automaton has 856 states and 1115 transitions. Word has length 150 [2024-11-12 07:13:48,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:13:48,462 INFO L471 AbstractCegarLoop]: Abstraction has 856 states and 1115 transitions. [2024-11-12 07:13:48,463 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.444444444444445) internal successors, (58), 10 states have internal predecessors, (58), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-12 07:13:48,463 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1115 transitions. [2024-11-12 07:13:48,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-12 07:13:48,465 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:13:48,465 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:13:48,465 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-12 07:13:48,465 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:13:48,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:13:48,466 INFO L85 PathProgramCache]: Analyzing trace with hash 781373223, now seen corresponding path program 1 times [2024-11-12 07:13:48,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:13:48,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253679117] [2024-11-12 07:13:48,466 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:13:48,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:13:48,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:49,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:13:49,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:49,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:13:49,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:49,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:13:49,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:49,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:13:49,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:49,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:13:49,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:49,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:13:49,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:49,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:13:49,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:49,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:13:49,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:49,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:13:49,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:49,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:13:49,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:49,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:13:49,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:49,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:13:49,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:49,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:13:49,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:49,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:13:49,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:49,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:13:49,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:49,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:13:49,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:49,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:13:49,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:49,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:13:49,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:49,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 07:13:49,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:49,110 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-12 07:13:49,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:13:49,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253679117] [2024-11-12 07:13:49,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253679117] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:13:49,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:13:49,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-12 07:13:49,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585658606] [2024-11-12 07:13:49,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:13:49,112 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-12 07:13:49,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:13:49,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-12 07:13:49,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-12 07:13:49,113 INFO L87 Difference]: Start difference. First operand 856 states and 1115 transitions. Second operand has 10 states, 7 states have (on average 8.285714285714286) internal successors, (58), 10 states have internal predecessors, (58), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-12 07:13:49,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:13:49,764 INFO L93 Difference]: Finished difference Result 1684 states and 2191 transitions. [2024-11-12 07:13:49,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-12 07:13:49,764 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 7 states have (on average 8.285714285714286) internal successors, (58), 10 states have internal predecessors, (58), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 4 states have call successors, (19) Word has length 150 [2024-11-12 07:13:49,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:13:49,769 INFO L225 Difference]: With dead ends: 1684 [2024-11-12 07:13:49,769 INFO L226 Difference]: Without dead ends: 848 [2024-11-12 07:13:49,770 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-11-12 07:13:49,771 INFO L435 NwaCegarLoop]: 155 mSDtfsCounter, 103 mSDsluCounter, 728 mSDsCounter, 0 mSdLazyCounter, 707 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 883 SdHoareTripleChecker+Invalid, 714 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 707 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 07:13:49,771 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 883 Invalid, 714 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 707 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 07:13:49,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 848 states. [2024-11-12 07:13:49,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 848 to 836. [2024-11-12 07:13:49,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 836 states, 677 states have (on average 1.206794682422452) internal successors, (817), 686 states have internal predecessors, (817), 132 states have call successors, (132), 26 states have call predecessors, (132), 26 states have return successors, (132), 123 states have call predecessors, (132), 132 states have call successors, (132) [2024-11-12 07:13:49,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 836 states to 836 states and 1081 transitions. [2024-11-12 07:13:49,916 INFO L78 Accepts]: Start accepts. Automaton has 836 states and 1081 transitions. Word has length 150 [2024-11-12 07:13:49,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:13:49,916 INFO L471 AbstractCegarLoop]: Abstraction has 836 states and 1081 transitions. [2024-11-12 07:13:49,917 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 7 states have (on average 8.285714285714286) internal successors, (58), 10 states have internal predecessors, (58), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-12 07:13:49,917 INFO L276 IsEmpty]: Start isEmpty. Operand 836 states and 1081 transitions. [2024-11-12 07:13:49,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-12 07:13:49,918 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:13:49,918 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:13:49,918 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-12 07:13:49,919 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:13:49,919 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:13:49,919 INFO L85 PathProgramCache]: Analyzing trace with hash -1681350053, now seen corresponding path program 1 times [2024-11-12 07:13:49,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:13:49,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633335632] [2024-11-12 07:13:49,919 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:13:49,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:13:49,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:50,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:13:50,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:50,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:13:50,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:50,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:13:50,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:50,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:13:50,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:50,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:13:50,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:50,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:13:50,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:50,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:13:50,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:50,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:13:50,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:50,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:13:50,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:50,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:13:50,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:50,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:13:50,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:50,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:13:50,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:50,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:13:50,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:50,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:13:50,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:50,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:13:50,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:50,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:13:50,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:50,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:13:50,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:50,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:13:50,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:50,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 07:13:50,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:50,261 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-12 07:13:50,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:13:50,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633335632] [2024-11-12 07:13:50,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633335632] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:13:50,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:13:50,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-12 07:13:50,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137855090] [2024-11-12 07:13:50,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:13:50,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-12 07:13:50,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:13:50,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-12 07:13:50,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-12 07:13:50,265 INFO L87 Difference]: Start difference. First operand 836 states and 1081 transitions. Second operand has 11 states, 10 states have (on average 5.8) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-12 07:13:51,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:13:51,053 INFO L93 Difference]: Finished difference Result 1787 states and 2309 transitions. [2024-11-12 07:13:51,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-12 07:13:51,054 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 5.8) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 150 [2024-11-12 07:13:51,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:13:51,058 INFO L225 Difference]: With dead ends: 1787 [2024-11-12 07:13:51,058 INFO L226 Difference]: Without dead ends: 971 [2024-11-12 07:13:51,059 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2024-11-12 07:13:51,060 INFO L435 NwaCegarLoop]: 186 mSDtfsCounter, 175 mSDsluCounter, 1122 mSDsCounter, 0 mSdLazyCounter, 822 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 1308 SdHoareTripleChecker+Invalid, 825 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 822 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-12 07:13:51,060 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 1308 Invalid, 825 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 822 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-12 07:13:51,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 971 states. [2024-11-12 07:13:51,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 971 to 545. [2024-11-12 07:13:51,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 545 states, 456 states have (on average 1.2236842105263157) internal successors, (558), 460 states have internal predecessors, (558), 72 states have call successors, (72), 16 states have call predecessors, (72), 16 states have return successors, (72), 68 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-12 07:13:51,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 545 states and 702 transitions. [2024-11-12 07:13:51,149 INFO L78 Accepts]: Start accepts. Automaton has 545 states and 702 transitions. Word has length 150 [2024-11-12 07:13:51,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:13:51,149 INFO L471 AbstractCegarLoop]: Abstraction has 545 states and 702 transitions. [2024-11-12 07:13:51,149 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 5.8) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-12 07:13:51,149 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 702 transitions. [2024-11-12 07:13:51,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-12 07:13:51,150 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:13:51,150 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:13:51,150 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-12 07:13:51,151 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:13:51,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:13:51,151 INFO L85 PathProgramCache]: Analyzing trace with hash 1795968793, now seen corresponding path program 1 times [2024-11-12 07:13:51,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:13:51,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103178920] [2024-11-12 07:13:51,151 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:13:51,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:13:51,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:51,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:13:51,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:51,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:13:51,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:51,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:13:51,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:51,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:13:51,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:51,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:13:51,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:51,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:13:51,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:51,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:13:51,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:51,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:13:51,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:51,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:13:51,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:51,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:13:51,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:51,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:13:51,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:51,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:13:51,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:51,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:13:51,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:51,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:13:51,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:51,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:13:51,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:51,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:13:51,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:51,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:13:51,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:51,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:13:51,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:51,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 07:13:51,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:51,501 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-12 07:13:51,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:13:51,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103178920] [2024-11-12 07:13:51,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103178920] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:13:51,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:13:51,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-12 07:13:51,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190636714] [2024-11-12 07:13:51,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:13:51,504 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-12 07:13:51,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:13:51,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-12 07:13:51,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-12 07:13:51,505 INFO L87 Difference]: Start difference. First operand 545 states and 702 transitions. Second operand has 9 states, 8 states have (on average 7.25) internal successors, (58), 9 states have internal predecessors, (58), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-12 07:13:52,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:13:52,020 INFO L93 Difference]: Finished difference Result 1235 states and 1590 transitions. [2024-11-12 07:13:52,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 07:13:52,022 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 7.25) internal successors, (58), 9 states have internal predecessors, (58), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 150 [2024-11-12 07:13:52,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:13:52,029 INFO L225 Difference]: With dead ends: 1235 [2024-11-12 07:13:52,029 INFO L226 Difference]: Without dead ends: 693 [2024-11-12 07:13:52,031 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-11-12 07:13:52,031 INFO L435 NwaCegarLoop]: 174 mSDtfsCounter, 92 mSDsluCounter, 767 mSDsCounter, 0 mSdLazyCounter, 498 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 941 SdHoareTripleChecker+Invalid, 500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 498 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 07:13:52,031 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 941 Invalid, 500 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 498 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 07:13:52,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 693 states. [2024-11-12 07:13:52,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 693 to 533. [2024-11-12 07:13:52,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 533 states, 444 states have (on average 1.2207207207207207) internal successors, (542), 448 states have internal predecessors, (542), 72 states have call successors, (72), 16 states have call predecessors, (72), 16 states have return successors, (72), 68 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-12 07:13:52,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 686 transitions. [2024-11-12 07:13:52,206 INFO L78 Accepts]: Start accepts. Automaton has 533 states and 686 transitions. Word has length 150 [2024-11-12 07:13:52,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:13:52,207 INFO L471 AbstractCegarLoop]: Abstraction has 533 states and 686 transitions. [2024-11-12 07:13:52,207 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 7.25) internal successors, (58), 9 states have internal predecessors, (58), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-12 07:13:52,207 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 686 transitions. [2024-11-12 07:13:52,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-12 07:13:52,208 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:13:52,208 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:13:52,209 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-12 07:13:52,212 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:13:52,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:13:52,213 INFO L85 PathProgramCache]: Analyzing trace with hash -975777600, now seen corresponding path program 1 times [2024-11-12 07:13:52,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:13:52,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710083219] [2024-11-12 07:13:52,213 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:13:52,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:13:52,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:52,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:13:52,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:52,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:13:52,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:52,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:13:52,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:52,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:13:52,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:52,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:13:52,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:52,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:13:52,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:52,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:13:52,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:52,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:13:52,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:52,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:13:52,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:52,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:13:52,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:52,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:13:52,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:52,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:13:52,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:52,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:13:52,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:52,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:13:52,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:52,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:13:52,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:52,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:13:52,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:52,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:13:52,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:52,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:13:52,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:52,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 07:13:52,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:52,863 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-12 07:13:52,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:13:52,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710083219] [2024-11-12 07:13:52,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [710083219] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:13:52,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:13:52,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-12 07:13:52,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383627509] [2024-11-12 07:13:52,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:13:52,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-12 07:13:52,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:13:52,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-12 07:13:52,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-12 07:13:52,865 INFO L87 Difference]: Start difference. First operand 533 states and 686 transitions. Second operand has 10 states, 9 states have (on average 6.444444444444445) internal successors, (58), 10 states have internal predecessors, (58), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-12 07:13:53,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:13:53,534 INFO L93 Difference]: Finished difference Result 1114 states and 1432 transitions. [2024-11-12 07:13:53,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-12 07:13:53,535 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.444444444444445) internal successors, (58), 10 states have internal predecessors, (58), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 150 [2024-11-12 07:13:53,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:13:53,539 INFO L225 Difference]: With dead ends: 1114 [2024-11-12 07:13:53,539 INFO L226 Difference]: Without dead ends: 584 [2024-11-12 07:13:53,540 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2024-11-12 07:13:53,540 INFO L435 NwaCegarLoop]: 207 mSDtfsCounter, 93 mSDsluCounter, 1282 mSDsCounter, 0 mSdLazyCounter, 563 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 1489 SdHoareTripleChecker+Invalid, 565 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 563 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 07:13:53,540 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 1489 Invalid, 565 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 563 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 07:13:53,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 584 states. [2024-11-12 07:13:53,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 584 to 542. [2024-11-12 07:13:53,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 542 states, 453 states have (on average 1.216335540838852) internal successors, (551), 457 states have internal predecessors, (551), 72 states have call successors, (72), 16 states have call predecessors, (72), 16 states have return successors, (72), 68 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-12 07:13:53,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 695 transitions. [2024-11-12 07:13:53,661 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 695 transitions. Word has length 150 [2024-11-12 07:13:53,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:13:53,662 INFO L471 AbstractCegarLoop]: Abstraction has 542 states and 695 transitions. [2024-11-12 07:13:53,662 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.444444444444445) internal successors, (58), 10 states have internal predecessors, (58), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-12 07:13:53,662 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 695 transitions. [2024-11-12 07:13:53,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-12 07:13:53,663 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:13:53,663 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:13:53,663 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-12 07:13:53,663 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:13:53,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:13:53,664 INFO L85 PathProgramCache]: Analyzing trace with hash 1377799030, now seen corresponding path program 1 times [2024-11-12 07:13:53,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:13:53,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647081788] [2024-11-12 07:13:53,664 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:13:53,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:13:53,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:53,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:13:53,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:53,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:13:53,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:53,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:13:53,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:53,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:13:53,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:53,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:13:53,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:53,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:13:53,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:53,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:13:53,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:53,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:13:53,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:53,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:13:53,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:53,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:13:53,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:53,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:13:53,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:53,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:13:53,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:53,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:13:53,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:53,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:13:53,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:53,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:13:53,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:53,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:13:53,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:53,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:13:53,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:53,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:13:53,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:53,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 07:13:53,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:53,822 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-12 07:13:53,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:13:53,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647081788] [2024-11-12 07:13:53,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647081788] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:13:53,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:13:53,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-12 07:13:53,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415138234] [2024-11-12 07:13:53,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:13:53,823 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 07:13:53,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:13:53,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 07:13:53,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-12 07:13:53,824 INFO L87 Difference]: Start difference. First operand 542 states and 695 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-12 07:13:53,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:13:53,982 INFO L93 Difference]: Finished difference Result 1073 states and 1377 transitions. [2024-11-12 07:13:53,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 07:13:53,982 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 151 [2024-11-12 07:13:53,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:13:53,985 INFO L225 Difference]: With dead ends: 1073 [2024-11-12 07:13:53,985 INFO L226 Difference]: Without dead ends: 534 [2024-11-12 07:13:53,986 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-12 07:13:53,988 INFO L435 NwaCegarLoop]: 158 mSDtfsCounter, 117 mSDsluCounter, 416 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 574 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 07:13:53,988 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 574 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 07:13:53,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 534 states. [2024-11-12 07:13:54,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 534 to 532. [2024-11-12 07:13:54,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 532 states, 443 states have (on average 1.2144469525959367) internal successors, (538), 447 states have internal predecessors, (538), 72 states have call successors, (72), 16 states have call predecessors, (72), 16 states have return successors, (72), 68 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-12 07:13:54,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 532 states and 682 transitions. [2024-11-12 07:13:54,103 INFO L78 Accepts]: Start accepts. Automaton has 532 states and 682 transitions. Word has length 151 [2024-11-12 07:13:54,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:13:54,104 INFO L471 AbstractCegarLoop]: Abstraction has 532 states and 682 transitions. [2024-11-12 07:13:54,105 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-12 07:13:54,105 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 682 transitions. [2024-11-12 07:13:54,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-12 07:13:54,106 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:13:54,106 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:13:54,106 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-12 07:13:54,106 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:13:54,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:13:54,106 INFO L85 PathProgramCache]: Analyzing trace with hash -1202624886, now seen corresponding path program 1 times [2024-11-12 07:13:54,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:13:54,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845780955] [2024-11-12 07:13:54,106 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:13:54,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:13:54,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:54,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:13:54,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:54,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:13:54,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:54,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:13:54,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:54,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:13:54,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:54,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:13:54,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:54,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:13:54,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:54,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:13:54,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:54,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:13:54,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:54,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:13:54,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:54,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:13:54,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:54,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:13:54,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:54,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:13:54,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:54,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:13:54,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:54,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:13:54,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:54,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:13:54,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:54,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:13:54,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:54,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:13:54,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:54,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:13:54,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:54,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 07:13:54,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:54,281 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-12 07:13:54,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:13:54,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845780955] [2024-11-12 07:13:54,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845780955] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:13:54,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:13:54,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-12 07:13:54,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923035684] [2024-11-12 07:13:54,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:13:54,282 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 07:13:54,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:13:54,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 07:13:54,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-12 07:13:54,283 INFO L87 Difference]: Start difference. First operand 532 states and 682 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-12 07:13:54,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:13:54,583 INFO L93 Difference]: Finished difference Result 1052 states and 1349 transitions. [2024-11-12 07:13:54,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 07:13:54,583 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 151 [2024-11-12 07:13:54,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:13:54,587 INFO L225 Difference]: With dead ends: 1052 [2024-11-12 07:13:54,587 INFO L226 Difference]: Without dead ends: 523 [2024-11-12 07:13:54,588 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-12 07:13:54,588 INFO L435 NwaCegarLoop]: 199 mSDtfsCounter, 72 mSDsluCounter, 606 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 805 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 07:13:54,588 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 805 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 07:13:54,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 523 states. [2024-11-12 07:13:54,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 523 to 517. [2024-11-12 07:13:54,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 517 states, 428 states have (on average 1.2102803738317758) internal successors, (518), 432 states have internal predecessors, (518), 72 states have call successors, (72), 16 states have call predecessors, (72), 16 states have return successors, (72), 68 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-12 07:13:54,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 517 states and 662 transitions. [2024-11-12 07:13:54,679 INFO L78 Accepts]: Start accepts. Automaton has 517 states and 662 transitions. Word has length 151 [2024-11-12 07:13:54,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:13:54,679 INFO L471 AbstractCegarLoop]: Abstraction has 517 states and 662 transitions. [2024-11-12 07:13:54,679 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-12 07:13:54,679 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 662 transitions. [2024-11-12 07:13:54,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-12 07:13:54,680 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:13:54,680 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:13:54,680 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-12 07:13:54,681 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:13:54,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:13:54,681 INFO L85 PathProgramCache]: Analyzing trace with hash 962728194, now seen corresponding path program 1 times [2024-11-12 07:13:54,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:13:54,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463225439] [2024-11-12 07:13:54,682 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:13:54,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:13:54,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:55,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:13:55,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:55,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:13:55,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:55,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:13:55,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:55,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:13:55,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:55,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:13:55,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:55,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:13:55,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:55,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:13:55,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:55,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:13:55,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:55,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:13:55,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:55,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:13:55,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:55,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:13:55,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:55,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:13:55,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:55,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:13:55,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:55,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:13:55,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:55,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:13:55,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:55,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:13:55,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:55,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:13:55,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:55,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:13:55,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:55,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 07:13:55,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:55,944 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-12 07:13:55,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:13:55,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463225439] [2024-11-12 07:13:55,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [463225439] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:13:55,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:13:55,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-12 07:13:55,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785921263] [2024-11-12 07:13:55,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:13:55,945 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-12 07:13:55,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:13:55,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-12 07:13:55,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2024-11-12 07:13:55,946 INFO L87 Difference]: Start difference. First operand 517 states and 662 transitions. Second operand has 17 states, 16 states have (on average 3.75) internal successors, (60), 17 states have internal predecessors, (60), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-12 07:13:57,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:13:57,315 INFO L93 Difference]: Finished difference Result 1394 states and 1779 transitions. [2024-11-12 07:13:57,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-12 07:13:57,315 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 3.75) internal successors, (60), 17 states have internal predecessors, (60), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 152 [2024-11-12 07:13:57,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:13:57,322 INFO L225 Difference]: With dead ends: 1394 [2024-11-12 07:13:57,323 INFO L226 Difference]: Without dead ends: 880 [2024-11-12 07:13:57,324 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 45 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=93, Invalid=557, Unknown=0, NotChecked=0, Total=650 [2024-11-12 07:13:57,324 INFO L435 NwaCegarLoop]: 147 mSDtfsCounter, 246 mSDsluCounter, 1222 mSDsCounter, 0 mSdLazyCounter, 1065 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 1369 SdHoareTripleChecker+Invalid, 1101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 1065 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-12 07:13:57,324 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 1369 Invalid, 1101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 1065 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-12 07:13:57,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 880 states. [2024-11-12 07:13:57,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 880 to 519. [2024-11-12 07:13:57,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 519 states, 430 states have (on average 1.2093023255813953) internal successors, (520), 434 states have internal predecessors, (520), 72 states have call successors, (72), 16 states have call predecessors, (72), 16 states have return successors, (72), 68 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-12 07:13:57,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 664 transitions. [2024-11-12 07:13:57,438 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 664 transitions. Word has length 152 [2024-11-12 07:13:57,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:13:57,438 INFO L471 AbstractCegarLoop]: Abstraction has 519 states and 664 transitions. [2024-11-12 07:13:57,438 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 3.75) internal successors, (60), 17 states have internal predecessors, (60), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-12 07:13:57,438 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 664 transitions. [2024-11-12 07:13:57,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-12 07:13:57,439 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:13:57,439 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:13:57,440 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-12 07:13:57,440 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:13:57,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:13:57,440 INFO L85 PathProgramCache]: Analyzing trace with hash -317135484, now seen corresponding path program 1 times [2024-11-12 07:13:57,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:13:57,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419384745] [2024-11-12 07:13:57,440 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:13:57,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:13:57,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:57,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:13:57,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:57,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:13:57,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:57,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:13:57,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:57,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:13:57,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:57,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:13:57,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:57,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:13:57,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:57,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:13:57,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:57,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:13:57,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:57,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:13:57,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:57,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:13:57,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:57,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:13:57,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:57,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:13:57,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:57,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:13:57,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:57,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:13:57,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:57,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:13:57,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:57,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:13:57,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:57,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:13:57,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:57,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:13:57,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:57,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 07:13:57,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:57,633 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-12 07:13:57,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:13:57,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419384745] [2024-11-12 07:13:57,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1419384745] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:13:57,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:13:57,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-12 07:13:57,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113861055] [2024-11-12 07:13:57,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:13:57,634 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 07:13:57,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:13:57,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 07:13:57,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-12 07:13:57,635 INFO L87 Difference]: Start difference. First operand 519 states and 664 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-12 07:13:58,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:13:58,047 INFO L93 Difference]: Finished difference Result 1175 states and 1500 transitions. [2024-11-12 07:13:58,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 07:13:58,047 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 152 [2024-11-12 07:13:58,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:13:58,051 INFO L225 Difference]: With dead ends: 1175 [2024-11-12 07:13:58,051 INFO L226 Difference]: Without dead ends: 659 [2024-11-12 07:13:58,052 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-12 07:13:58,052 INFO L435 NwaCegarLoop]: 202 mSDtfsCounter, 81 mSDsluCounter, 552 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 754 SdHoareTripleChecker+Invalid, 281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 07:13:58,052 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 754 Invalid, 281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 279 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 07:13:58,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 659 states. [2024-11-12 07:13:58,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 659 to 519. [2024-11-12 07:13:58,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 519 states, 430 states have (on average 1.2046511627906977) internal successors, (518), 434 states have internal predecessors, (518), 72 states have call successors, (72), 16 states have call predecessors, (72), 16 states have return successors, (72), 68 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-12 07:13:58,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 662 transitions. [2024-11-12 07:13:58,151 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 662 transitions. Word has length 152 [2024-11-12 07:13:58,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:13:58,151 INFO L471 AbstractCegarLoop]: Abstraction has 519 states and 662 transitions. [2024-11-12 07:13:58,152 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-12 07:13:58,152 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 662 transitions. [2024-11-12 07:13:58,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-12 07:13:58,152 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:13:58,153 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:13:58,153 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-12 07:13:58,153 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:13:58,153 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:13:58,153 INFO L85 PathProgramCache]: Analyzing trace with hash -2119153406, now seen corresponding path program 1 times [2024-11-12 07:13:58,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:13:58,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138648269] [2024-11-12 07:13:58,154 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:13:58,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:13:58,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:58,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:13:58,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:58,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:13:58,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:58,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:13:58,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:58,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:13:58,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:58,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:13:58,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:58,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:13:58,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:58,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:13:58,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:58,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:13:58,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:58,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:13:58,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:58,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:13:58,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:58,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:13:58,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:58,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:13:58,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:58,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:13:58,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:58,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:13:58,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:58,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:13:58,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:58,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:13:58,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:58,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:13:58,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:58,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:13:58,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:58,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 07:13:58,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:58,502 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-12 07:13:58,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:13:58,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138648269] [2024-11-12 07:13:58,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138648269] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:13:58,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:13:58,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-12 07:13:58,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723035741] [2024-11-12 07:13:58,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:13:58,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-12 07:13:58,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:13:58,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-12 07:13:58,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-11-12 07:13:58,504 INFO L87 Difference]: Start difference. First operand 519 states and 662 transitions. Second operand has 11 states, 11 states have (on average 5.454545454545454) internal successors, (60), 11 states have internal predecessors, (60), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-12 07:13:59,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:13:59,171 INFO L93 Difference]: Finished difference Result 1237 states and 1578 transitions. [2024-11-12 07:13:59,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-12 07:13:59,172 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.454545454545454) internal successors, (60), 11 states have internal predecessors, (60), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 152 [2024-11-12 07:13:59,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:13:59,179 INFO L225 Difference]: With dead ends: 1237 [2024-11-12 07:13:59,179 INFO L226 Difference]: Without dead ends: 721 [2024-11-12 07:13:59,181 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2024-11-12 07:13:59,181 INFO L435 NwaCegarLoop]: 228 mSDtfsCounter, 115 mSDsluCounter, 1626 mSDsCounter, 0 mSdLazyCounter, 475 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 1854 SdHoareTripleChecker+Invalid, 479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 07:13:59,181 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 1854 Invalid, 479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 475 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 07:13:59,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 721 states. [2024-11-12 07:13:59,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 721 to 699. [2024-11-12 07:13:59,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 699 states, 566 states have (on average 1.1890459363957597) internal successors, (673), 572 states have internal predecessors, (673), 108 states have call successors, (108), 24 states have call predecessors, (108), 24 states have return successors, (108), 102 states have call predecessors, (108), 108 states have call successors, (108) [2024-11-12 07:13:59,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 889 transitions. [2024-11-12 07:13:59,430 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 889 transitions. Word has length 152 [2024-11-12 07:13:59,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:13:59,430 INFO L471 AbstractCegarLoop]: Abstraction has 699 states and 889 transitions. [2024-11-12 07:13:59,430 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.454545454545454) internal successors, (60), 11 states have internal predecessors, (60), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-12 07:13:59,430 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 889 transitions. [2024-11-12 07:13:59,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-12 07:13:59,432 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:13:59,432 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:13:59,432 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-11-12 07:13:59,432 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:13:59,433 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:13:59,433 INFO L85 PathProgramCache]: Analyzing trace with hash -1609680316, now seen corresponding path program 1 times [2024-11-12 07:13:59,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:13:59,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934119370] [2024-11-12 07:13:59,433 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:13:59,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:13:59,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:59,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:13:59,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:59,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:13:59,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:59,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:13:59,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:59,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:13:59,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:59,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:13:59,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:59,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:13:59,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:59,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:13:59,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:59,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:13:59,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:59,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:13:59,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:59,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:13:59,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:59,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:13:59,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:59,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:13:59,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:59,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:13:59,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:59,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:13:59,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:59,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:13:59,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:59,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:13:59,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:59,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:13:59,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:59,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:13:59,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:59,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 07:13:59,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:13:59,667 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-12 07:13:59,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:13:59,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934119370] [2024-11-12 07:13:59,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934119370] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:13:59,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:13:59,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 07:13:59,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254611050] [2024-11-12 07:13:59,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:13:59,668 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 07:13:59,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:13:59,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 07:13:59,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-12 07:13:59,669 INFO L87 Difference]: Start difference. First operand 699 states and 889 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-12 07:14:00,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:14:00,306 INFO L93 Difference]: Finished difference Result 1510 states and 1916 transitions. [2024-11-12 07:14:00,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 07:14:00,306 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 152 [2024-11-12 07:14:00,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:14:00,311 INFO L225 Difference]: With dead ends: 1510 [2024-11-12 07:14:00,311 INFO L226 Difference]: Without dead ends: 814 [2024-11-12 07:14:00,312 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-12 07:14:00,312 INFO L435 NwaCegarLoop]: 164 mSDtfsCounter, 102 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 280 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 438 SdHoareTripleChecker+Invalid, 284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 07:14:00,313 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 438 Invalid, 284 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 280 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 07:14:00,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 814 states. [2024-11-12 07:14:00,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 814 to 657. [2024-11-12 07:14:00,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 657 states, 524 states have (on average 1.1812977099236641) internal successors, (619), 530 states have internal predecessors, (619), 108 states have call successors, (108), 24 states have call predecessors, (108), 24 states have return successors, (108), 102 states have call predecessors, (108), 108 states have call successors, (108) [2024-11-12 07:14:00,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 657 states and 835 transitions. [2024-11-12 07:14:00,483 INFO L78 Accepts]: Start accepts. Automaton has 657 states and 835 transitions. Word has length 152 [2024-11-12 07:14:00,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:14:00,483 INFO L471 AbstractCegarLoop]: Abstraction has 657 states and 835 transitions. [2024-11-12 07:14:00,483 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-12 07:14:00,483 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 835 transitions. [2024-11-12 07:14:00,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-12 07:14:00,484 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:14:00,484 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:14:00,484 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-11-12 07:14:00,485 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:14:00,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:14:00,485 INFO L85 PathProgramCache]: Analyzing trace with hash -2028771022, now seen corresponding path program 1 times [2024-11-12 07:14:00,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:14:00,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122968716] [2024-11-12 07:14:00,485 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:14:00,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:14:00,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:01,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:14:01,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:01,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:14:01,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:01,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:14:01,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:01,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:14:01,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:01,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:14:01,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:01,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:14:01,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:01,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:14:01,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:01,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:14:01,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:01,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:14:01,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:01,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:14:01,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:01,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:14:01,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:01,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:14:01,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:01,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:14:01,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:01,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:14:01,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:01,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:14:01,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:01,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:14:01,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:01,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:14:01,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:01,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:14:01,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:01,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 07:14:01,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:01,445 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-12 07:14:01,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:14:01,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122968716] [2024-11-12 07:14:01,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122968716] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:14:01,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:14:01,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-12 07:14:01,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987872731] [2024-11-12 07:14:01,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:14:01,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-12 07:14:01,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:14:01,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-12 07:14:01,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-12 07:14:01,447 INFO L87 Difference]: Start difference. First operand 657 states and 835 transitions. Second operand has 10 states, 8 states have (on average 7.5) internal successors, (60), 10 states have internal predecessors, (60), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-12 07:14:02,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:14:02,178 INFO L93 Difference]: Finished difference Result 1243 states and 1563 transitions. [2024-11-12 07:14:02,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-12 07:14:02,178 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 7.5) internal successors, (60), 10 states have internal predecessors, (60), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) Word has length 152 [2024-11-12 07:14:02,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:14:02,183 INFO L225 Difference]: With dead ends: 1243 [2024-11-12 07:14:02,183 INFO L226 Difference]: Without dead ends: 1241 [2024-11-12 07:14:02,183 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2024-11-12 07:14:02,183 INFO L435 NwaCegarLoop]: 164 mSDtfsCounter, 84 mSDsluCounter, 983 mSDsCounter, 0 mSdLazyCounter, 572 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 1147 SdHoareTripleChecker+Invalid, 576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 572 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 07:14:02,184 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 1147 Invalid, 576 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 572 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 07:14:02,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1241 states. [2024-11-12 07:14:02,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1241 to 964. [2024-11-12 07:14:02,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 964 states, 801 states have (on average 1.1785268414481898) internal successors, (944), 810 states have internal predecessors, (944), 131 states have call successors, (131), 31 states have call predecessors, (131), 31 states have return successors, (131), 122 states have call predecessors, (131), 131 states have call successors, (131) [2024-11-12 07:14:02,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 964 states to 964 states and 1206 transitions. [2024-11-12 07:14:02,481 INFO L78 Accepts]: Start accepts. Automaton has 964 states and 1206 transitions. Word has length 152 [2024-11-12 07:14:02,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:14:02,481 INFO L471 AbstractCegarLoop]: Abstraction has 964 states and 1206 transitions. [2024-11-12 07:14:02,481 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 7.5) internal successors, (60), 10 states have internal predecessors, (60), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-12 07:14:02,481 INFO L276 IsEmpty]: Start isEmpty. Operand 964 states and 1206 transitions. [2024-11-12 07:14:02,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-12 07:14:02,483 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:14:02,483 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:14:02,483 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-11-12 07:14:02,484 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:14:02,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:14:02,484 INFO L85 PathProgramCache]: Analyzing trace with hash -2026923980, now seen corresponding path program 1 times [2024-11-12 07:14:02,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:14:02,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168492273] [2024-11-12 07:14:02,484 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:14:02,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:14:02,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:02,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:14:02,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:02,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:14:02,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:02,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:14:02,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:02,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:14:02,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:02,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:14:02,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:02,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:14:02,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:02,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:14:02,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:02,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:14:02,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:02,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:14:02,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:02,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:14:02,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:02,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:14:02,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:02,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:14:02,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:02,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:14:02,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:02,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:14:02,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:02,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:14:02,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:02,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:14:02,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:02,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:14:02,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:02,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:14:02,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:02,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 07:14:02,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:02,691 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-12 07:14:02,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:14:02,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168492273] [2024-11-12 07:14:02,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168492273] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:14:02,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:14:02,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 07:14:02,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43531971] [2024-11-12 07:14:02,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:14:02,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 07:14:02,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:14:02,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 07:14:02,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 07:14:02,694 INFO L87 Difference]: Start difference. First operand 964 states and 1206 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-12 07:14:03,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:14:03,032 INFO L93 Difference]: Finished difference Result 1981 states and 2465 transitions. [2024-11-12 07:14:03,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 07:14:03,033 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 152 [2024-11-12 07:14:03,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:14:03,036 INFO L225 Difference]: With dead ends: 1981 [2024-11-12 07:14:03,037 INFO L226 Difference]: Without dead ends: 1020 [2024-11-12 07:14:03,038 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-12 07:14:03,038 INFO L435 NwaCegarLoop]: 165 mSDtfsCounter, 67 mSDsluCounter, 401 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 566 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 07:14:03,039 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 566 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 07:14:03,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1020 states. [2024-11-12 07:14:03,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1020 to 1019. [2024-11-12 07:14:03,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1019 states, 838 states have (on average 1.1551312649164678) internal successors, (968), 848 states have internal predecessors, (968), 140 states have call successors, (140), 40 states have call predecessors, (140), 40 states have return successors, (140), 130 states have call predecessors, (140), 140 states have call successors, (140) [2024-11-12 07:14:03,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1019 states to 1019 states and 1248 transitions. [2024-11-12 07:14:03,369 INFO L78 Accepts]: Start accepts. Automaton has 1019 states and 1248 transitions. Word has length 152 [2024-11-12 07:14:03,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:14:03,370 INFO L471 AbstractCegarLoop]: Abstraction has 1019 states and 1248 transitions. [2024-11-12 07:14:03,370 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-12 07:14:03,370 INFO L276 IsEmpty]: Start isEmpty. Operand 1019 states and 1248 transitions. [2024-11-12 07:14:03,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-12 07:14:03,371 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:14:03,371 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:14:03,371 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-11-12 07:14:03,371 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:14:03,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:14:03,372 INFO L85 PathProgramCache]: Analyzing trace with hash -251916618, now seen corresponding path program 1 times [2024-11-12 07:14:03,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:14:03,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2343233] [2024-11-12 07:14:03,372 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:14:03,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:14:03,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:03,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:14:03,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:03,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:14:03,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:03,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:14:03,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:03,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:14:03,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:03,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:14:03,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:03,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:14:03,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:03,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:14:03,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:03,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:14:03,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:03,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:14:03,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:03,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:14:03,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:03,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:14:03,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:03,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:14:03,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:03,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:14:03,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:03,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:14:03,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:03,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:14:03,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:03,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:14:03,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:03,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:14:03,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:03,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:14:03,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:03,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 07:14:03,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:03,465 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-12 07:14:03,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:14:03,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2343233] [2024-11-12 07:14:03,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2343233] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:14:03,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:14:03,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 07:14:03,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052661332] [2024-11-12 07:14:03,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:14:03,466 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 07:14:03,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:14:03,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 07:14:03,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 07:14:03,466 INFO L87 Difference]: Start difference. First operand 1019 states and 1248 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-12 07:14:03,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:14:03,739 INFO L93 Difference]: Finished difference Result 2047 states and 2511 transitions. [2024-11-12 07:14:03,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 07:14:03,740 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 152 [2024-11-12 07:14:03,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:14:03,744 INFO L225 Difference]: With dead ends: 2047 [2024-11-12 07:14:03,744 INFO L226 Difference]: Without dead ends: 1058 [2024-11-12 07:14:03,746 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 07:14:03,746 INFO L435 NwaCegarLoop]: 139 mSDtfsCounter, 0 mSDsluCounter, 402 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 541 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 07:14:03,747 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 541 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 07:14:03,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1058 states. [2024-11-12 07:14:04,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1058 to 1058. [2024-11-12 07:14:04,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1058 states, 877 states have (on average 1.1482326111744583) internal successors, (1007), 887 states have internal predecessors, (1007), 140 states have call successors, (140), 40 states have call predecessors, (140), 40 states have return successors, (140), 130 states have call predecessors, (140), 140 states have call successors, (140) [2024-11-12 07:14:04,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1058 states to 1058 states and 1287 transitions. [2024-11-12 07:14:04,066 INFO L78 Accepts]: Start accepts. Automaton has 1058 states and 1287 transitions. Word has length 152 [2024-11-12 07:14:04,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:14:04,068 INFO L471 AbstractCegarLoop]: Abstraction has 1058 states and 1287 transitions. [2024-11-12 07:14:04,068 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-12 07:14:04,068 INFO L276 IsEmpty]: Start isEmpty. Operand 1058 states and 1287 transitions. [2024-11-12 07:14:04,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-12 07:14:04,069 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:14:04,069 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:14:04,069 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2024-11-12 07:14:04,069 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:14:04,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:14:04,070 INFO L85 PathProgramCache]: Analyzing trace with hash -1966731408, now seen corresponding path program 1 times [2024-11-12 07:14:04,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:14:04,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503560363] [2024-11-12 07:14:04,070 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:14:04,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:14:04,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:04,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:14:04,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:04,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:14:04,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:04,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:14:04,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:04,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:14:04,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:04,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:14:04,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:04,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:14:04,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:04,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:14:04,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:04,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:14:04,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:04,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:14:04,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:04,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:14:04,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:04,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:14:04,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:04,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:14:04,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:04,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:14:04,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:04,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:14:04,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:04,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:14:04,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:04,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:14:04,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:04,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:14:04,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:04,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:14:04,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:04,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 07:14:04,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:04,594 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-12 07:14:04,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:14:04,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503560363] [2024-11-12 07:14:04,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [503560363] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:14:04,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:14:04,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-12 07:14:04,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109792484] [2024-11-12 07:14:04,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:14:04,595 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 07:14:04,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:14:04,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 07:14:04,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-12 07:14:04,596 INFO L87 Difference]: Start difference. First operand 1058 states and 1287 transitions. Second operand has 6 states, 5 states have (on average 12.0) internal successors, (60), 6 states have internal predecessors, (60), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-12 07:14:05,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:14:05,431 INFO L93 Difference]: Finished difference Result 2594 states and 3143 transitions. [2024-11-12 07:14:05,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 07:14:05,431 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.0) internal successors, (60), 6 states have internal predecessors, (60), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 152 [2024-11-12 07:14:05,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:14:05,437 INFO L225 Difference]: With dead ends: 2594 [2024-11-12 07:14:05,437 INFO L226 Difference]: Without dead ends: 1566 [2024-11-12 07:14:05,439 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-12 07:14:05,439 INFO L435 NwaCegarLoop]: 170 mSDtfsCounter, 78 mSDsluCounter, 456 mSDsCounter, 0 mSdLazyCounter, 276 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 626 SdHoareTripleChecker+Invalid, 277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 07:14:05,439 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 626 Invalid, 277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 276 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 07:14:05,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1566 states. [2024-11-12 07:14:05,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1566 to 1558. [2024-11-12 07:14:05,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1558 states, 1286 states have (on average 1.1345256609642302) internal successors, (1459), 1303 states have internal predecessors, (1459), 210 states have call successors, (210), 61 states have call predecessors, (210), 61 states have return successors, (210), 193 states have call predecessors, (210), 210 states have call successors, (210) [2024-11-12 07:14:05,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1558 states to 1558 states and 1879 transitions. [2024-11-12 07:14:05,957 INFO L78 Accepts]: Start accepts. Automaton has 1558 states and 1879 transitions. Word has length 152 [2024-11-12 07:14:05,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:14:05,960 INFO L471 AbstractCegarLoop]: Abstraction has 1558 states and 1879 transitions. [2024-11-12 07:14:05,960 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.0) internal successors, (60), 6 states have internal predecessors, (60), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-12 07:14:05,960 INFO L276 IsEmpty]: Start isEmpty. Operand 1558 states and 1879 transitions. [2024-11-12 07:14:05,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-12 07:14:05,962 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:14:05,962 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:14:05,962 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2024-11-12 07:14:05,962 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:14:05,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:14:05,962 INFO L85 PathProgramCache]: Analyzing trace with hash -1265666830, now seen corresponding path program 1 times [2024-11-12 07:14:05,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:14:05,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152479218] [2024-11-12 07:14:05,963 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:14:05,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:14:06,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:06,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:14:06,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:06,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:14:06,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:06,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:14:06,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:06,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:14:06,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:06,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:14:06,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:06,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:14:06,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:06,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:14:06,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:06,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:14:06,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:06,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:14:06,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:06,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:14:06,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:06,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:14:06,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:06,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:14:06,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:06,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:14:06,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:06,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:14:06,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:06,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:14:06,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:06,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:14:06,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:06,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:14:06,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:06,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:14:06,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:06,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 07:14:06,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:06,533 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-12 07:14:06,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:14:06,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152479218] [2024-11-12 07:14:06,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152479218] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:14:06,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:14:06,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-12 07:14:06,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346244932] [2024-11-12 07:14:06,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:14:06,534 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 07:14:06,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:14:06,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 07:14:06,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-12 07:14:06,535 INFO L87 Difference]: Start difference. First operand 1558 states and 1879 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-12 07:14:07,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:14:07,319 INFO L93 Difference]: Finished difference Result 1639 states and 1976 transitions. [2024-11-12 07:14:07,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 07:14:07,320 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 152 [2024-11-12 07:14:07,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:14:07,324 INFO L225 Difference]: With dead ends: 1639 [2024-11-12 07:14:07,324 INFO L226 Difference]: Without dead ends: 1637 [2024-11-12 07:14:07,324 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-12 07:14:07,325 INFO L435 NwaCegarLoop]: 167 mSDtfsCounter, 89 mSDsluCounter, 557 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 724 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 07:14:07,325 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 724 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 07:14:07,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1637 states. [2024-11-12 07:14:07,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1637 to 1122. [2024-11-12 07:14:07,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1122 states, 929 states have (on average 1.1453175457481162) internal successors, (1064), 941 states have internal predecessors, (1064), 147 states have call successors, (147), 45 states have call predecessors, (147), 45 states have return successors, (147), 135 states have call predecessors, (147), 147 states have call successors, (147) [2024-11-12 07:14:07,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1122 states to 1122 states and 1358 transitions. [2024-11-12 07:14:07,659 INFO L78 Accepts]: Start accepts. Automaton has 1122 states and 1358 transitions. Word has length 152 [2024-11-12 07:14:07,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:14:07,659 INFO L471 AbstractCegarLoop]: Abstraction has 1122 states and 1358 transitions. [2024-11-12 07:14:07,659 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-12 07:14:07,659 INFO L276 IsEmpty]: Start isEmpty. Operand 1122 states and 1358 transitions. [2024-11-12 07:14:07,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-12 07:14:07,660 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:14:07,660 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:14:07,661 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2024-11-12 07:14:07,661 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:14:07,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:14:07,661 INFO L85 PathProgramCache]: Analyzing trace with hash -2021980645, now seen corresponding path program 1 times [2024-11-12 07:14:07,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:14:07,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015319800] [2024-11-12 07:14:07,661 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:14:07,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:14:07,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:08,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:14:08,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:08,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:14:08,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:08,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:14:08,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:08,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:14:08,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:08,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:14:08,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:08,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:14:08,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:08,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:14:08,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:08,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:14:08,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:08,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:14:08,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:08,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:14:08,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:08,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:14:08,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:08,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:14:08,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:08,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:14:08,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:08,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:14:08,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:08,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:14:08,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:08,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:14:08,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:08,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:14:08,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:08,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:14:08,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:08,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 07:14:08,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:08,299 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-12 07:14:08,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:14:08,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015319800] [2024-11-12 07:14:08,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015319800] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:14:08,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:14:08,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-12 07:14:08,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5260001] [2024-11-12 07:14:08,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:14:08,300 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 07:14:08,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:14:08,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 07:14:08,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-12 07:14:08,301 INFO L87 Difference]: Start difference. First operand 1122 states and 1358 transitions. Second operand has 8 states, 7 states have (on average 8.857142857142858) internal successors, (62), 8 states have internal predecessors, (62), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-12 07:14:09,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:14:09,312 INFO L93 Difference]: Finished difference Result 2641 states and 3182 transitions. [2024-11-12 07:14:09,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 07:14:09,313 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.857142857142858) internal successors, (62), 8 states have internal predecessors, (62), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 154 [2024-11-12 07:14:09,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:14:09,319 INFO L225 Difference]: With dead ends: 2641 [2024-11-12 07:14:09,320 INFO L226 Difference]: Without dead ends: 1577 [2024-11-12 07:14:09,321 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-12 07:14:09,322 INFO L435 NwaCegarLoop]: 116 mSDtfsCounter, 84 mSDsluCounter, 462 mSDsCounter, 0 mSdLazyCounter, 409 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 578 SdHoareTripleChecker+Invalid, 411 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 409 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 07:14:09,322 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 578 Invalid, 411 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 409 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 07:14:09,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1577 states. [2024-11-12 07:14:09,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1577 to 1261. [2024-11-12 07:14:09,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1261 states, 1068 states have (on average 1.1338951310861423) internal successors, (1211), 1080 states have internal predecessors, (1211), 147 states have call successors, (147), 45 states have call predecessors, (147), 45 states have return successors, (147), 135 states have call predecessors, (147), 147 states have call successors, (147) [2024-11-12 07:14:09,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1261 states to 1261 states and 1505 transitions. [2024-11-12 07:14:09,781 INFO L78 Accepts]: Start accepts. Automaton has 1261 states and 1505 transitions. Word has length 154 [2024-11-12 07:14:09,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:14:09,782 INFO L471 AbstractCegarLoop]: Abstraction has 1261 states and 1505 transitions. [2024-11-12 07:14:09,782 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.857142857142858) internal successors, (62), 8 states have internal predecessors, (62), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-12 07:14:09,782 INFO L276 IsEmpty]: Start isEmpty. Operand 1261 states and 1505 transitions. [2024-11-12 07:14:09,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-12 07:14:09,783 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:14:09,783 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:14:09,784 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2024-11-12 07:14:09,784 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:14:09,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:14:09,784 INFO L85 PathProgramCache]: Analyzing trace with hash 1686180637, now seen corresponding path program 1 times [2024-11-12 07:14:09,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:14:09,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016873008] [2024-11-12 07:14:09,785 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:14:09,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:14:09,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:10,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:14:10,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:10,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:14:10,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:10,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:14:10,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:10,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:14:10,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:10,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:14:10,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:10,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:14:10,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:10,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:14:10,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:10,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:14:10,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:10,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:14:10,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:10,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:14:10,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:10,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:14:10,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:10,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:14:10,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:10,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:14:10,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:10,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:14:10,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:10,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:14:10,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:10,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:14:10,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:10,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:14:10,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:10,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:14:10,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:10,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 07:14:10,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:10,464 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-12 07:14:10,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:14:10,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016873008] [2024-11-12 07:14:10,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1016873008] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:14:10,464 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:14:10,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-12 07:14:10,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688695113] [2024-11-12 07:14:10,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:14:10,465 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-12 07:14:10,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:14:10,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-12 07:14:10,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-12 07:14:10,467 INFO L87 Difference]: Start difference. First operand 1261 states and 1505 transitions. Second operand has 9 states, 7 states have (on average 8.857142857142858) internal successors, (62), 9 states have internal predecessors, (62), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-12 07:14:11,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:14:11,532 INFO L93 Difference]: Finished difference Result 2702 states and 3220 transitions. [2024-11-12 07:14:11,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 07:14:11,533 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 8.857142857142858) internal successors, (62), 9 states have internal predecessors, (62), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) Word has length 154 [2024-11-12 07:14:11,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:14:11,538 INFO L225 Difference]: With dead ends: 2702 [2024-11-12 07:14:11,538 INFO L226 Difference]: Without dead ends: 1499 [2024-11-12 07:14:11,540 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-12 07:14:11,540 INFO L435 NwaCegarLoop]: 156 mSDtfsCounter, 68 mSDsluCounter, 759 mSDsCounter, 0 mSdLazyCounter, 488 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 915 SdHoareTripleChecker+Invalid, 488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 488 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 07:14:11,540 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 915 Invalid, 488 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 488 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 07:14:11,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1499 states. [2024-11-12 07:14:11,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1499 to 1261. [2024-11-12 07:14:11,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1261 states, 1068 states have (on average 1.1338951310861423) internal successors, (1211), 1080 states have internal predecessors, (1211), 147 states have call successors, (147), 45 states have call predecessors, (147), 45 states have return successors, (147), 135 states have call predecessors, (147), 147 states have call successors, (147) [2024-11-12 07:14:11,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1261 states to 1261 states and 1505 transitions. [2024-11-12 07:14:11,901 INFO L78 Accepts]: Start accepts. Automaton has 1261 states and 1505 transitions. Word has length 154 [2024-11-12 07:14:11,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:14:11,901 INFO L471 AbstractCegarLoop]: Abstraction has 1261 states and 1505 transitions. [2024-11-12 07:14:11,901 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 8.857142857142858) internal successors, (62), 9 states have internal predecessors, (62), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-12 07:14:11,901 INFO L276 IsEmpty]: Start isEmpty. Operand 1261 states and 1505 transitions. [2024-11-12 07:14:11,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-12 07:14:11,902 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:14:11,902 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:14:11,902 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2024-11-12 07:14:11,903 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:14:11,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:14:11,903 INFO L85 PathProgramCache]: Analyzing trace with hash 1176707547, now seen corresponding path program 1 times [2024-11-12 07:14:11,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:14:11,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086210341] [2024-11-12 07:14:11,903 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:14:11,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:14:11,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:12,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:14:12,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:12,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:14:12,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:12,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:14:12,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:12,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:14:12,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:12,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:14:12,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:12,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:14:12,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:12,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:14:12,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:12,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:14:12,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:12,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:14:12,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:12,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:14:12,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:12,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:14:12,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:12,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:14:12,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:12,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:14:12,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:12,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:14:12,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:12,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:14:12,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:12,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:14:12,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:12,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:14:12,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:12,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:14:12,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:12,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 07:14:12,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:12,634 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-12 07:14:12,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:14:12,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086210341] [2024-11-12 07:14:12,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1086210341] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:14:12,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:14:12,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-12 07:14:12,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507035658] [2024-11-12 07:14:12,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:14:12,635 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 07:14:12,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:14:12,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 07:14:12,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-12 07:14:12,636 INFO L87 Difference]: Start difference. First operand 1261 states and 1505 transitions. Second operand has 8 states, 7 states have (on average 8.857142857142858) internal successors, (62), 8 states have internal predecessors, (62), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-12 07:14:13,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:14:13,866 INFO L93 Difference]: Finished difference Result 2835 states and 3355 transitions. [2024-11-12 07:14:13,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 07:14:13,867 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.857142857142858) internal successors, (62), 8 states have internal predecessors, (62), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 154 [2024-11-12 07:14:13,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:14:13,880 INFO L225 Difference]: With dead ends: 2835 [2024-11-12 07:14:13,880 INFO L226 Difference]: Without dead ends: 1632 [2024-11-12 07:14:13,886 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-12 07:14:13,887 INFO L435 NwaCegarLoop]: 199 mSDtfsCounter, 66 mSDsluCounter, 795 mSDsCounter, 0 mSdLazyCounter, 474 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 994 SdHoareTripleChecker+Invalid, 474 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 474 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-12 07:14:13,887 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 994 Invalid, 474 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 474 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-12 07:14:13,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1632 states. [2024-11-12 07:14:14,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1632 to 1394. [2024-11-12 07:14:14,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1394 states, 1201 states have (on average 1.1207327227310575) internal successors, (1346), 1213 states have internal predecessors, (1346), 147 states have call successors, (147), 45 states have call predecessors, (147), 45 states have return successors, (147), 135 states have call predecessors, (147), 147 states have call successors, (147) [2024-11-12 07:14:14,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1394 states to 1394 states and 1640 transitions. [2024-11-12 07:14:14,391 INFO L78 Accepts]: Start accepts. Automaton has 1394 states and 1640 transitions. Word has length 154 [2024-11-12 07:14:14,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:14:14,391 INFO L471 AbstractCegarLoop]: Abstraction has 1394 states and 1640 transitions. [2024-11-12 07:14:14,391 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.857142857142858) internal successors, (62), 8 states have internal predecessors, (62), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-12 07:14:14,391 INFO L276 IsEmpty]: Start isEmpty. Operand 1394 states and 1640 transitions. [2024-11-12 07:14:14,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-12 07:14:14,397 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:14:14,397 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:14:14,398 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2024-11-12 07:14:14,398 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:14:14,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:14:14,398 INFO L85 PathProgramCache]: Analyzing trace with hash 747728046, now seen corresponding path program 1 times [2024-11-12 07:14:14,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:14:14,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472035054] [2024-11-12 07:14:14,399 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:14:14,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:14:14,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 07:14:14,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [597718092] [2024-11-12 07:14:14,550 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:14:14,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 07:14:14,550 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 07:14:14,552 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 07:14:14,553 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-12 07:14:14,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:14,929 INFO L256 TraceCheckSpWp]: Trace formula consists of 499 conjuncts, 52 conjuncts are in the unsatisfiable core [2024-11-12 07:14:14,941 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 07:14:14,985 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-12 07:14:14,986 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 7 [2024-11-12 07:14:15,039 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 19 treesize of output 1 [2024-11-12 07:14:15,060 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 19 treesize of output 1 [2024-11-12 07:14:15,096 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 15 treesize of output 1 [2024-11-12 07:14:15,111 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 15 treesize of output 1 [2024-11-12 07:14:15,129 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 15 [2024-11-12 07:14:15,148 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2024-11-12 07:14:15,504 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-12 07:14:15,505 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 68 treesize of output 46 [2024-11-12 07:14:15,513 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 34 [2024-11-12 07:14:15,522 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-12 07:14:15,522 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 53 treesize of output 29 [2024-11-12 07:14:15,552 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-12 07:14:15,553 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 07:14:15,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:14:15,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472035054] [2024-11-12 07:14:15,554 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 07:14:15,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [597718092] [2024-11-12 07:14:15,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [597718092] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:14:15,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:14:15,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-12 07:14:15,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997106219] [2024-11-12 07:14:15,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:14:15,555 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 07:14:15,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:14:15,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 07:14:15,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-12 07:14:15,556 INFO L87 Difference]: Start difference. First operand 1394 states and 1640 transitions. Second operand has 8 states, 8 states have (on average 7.875) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-12 07:14:16,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:14:16,961 INFO L93 Difference]: Finished difference Result 3179 states and 3733 transitions. [2024-11-12 07:14:16,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 07:14:16,962 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 155 [2024-11-12 07:14:16,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:14:16,968 INFO L225 Difference]: With dead ends: 3179 [2024-11-12 07:14:16,968 INFO L226 Difference]: Without dead ends: 1843 [2024-11-12 07:14:16,970 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2024-11-12 07:14:16,971 INFO L435 NwaCegarLoop]: 181 mSDtfsCounter, 215 mSDsluCounter, 389 mSDsCounter, 0 mSdLazyCounter, 447 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 570 SdHoareTripleChecker+Invalid, 450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-12 07:14:16,971 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [215 Valid, 570 Invalid, 450 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 447 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-12 07:14:16,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1843 states. [2024-11-12 07:14:17,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1843 to 1626. [2024-11-12 07:14:17,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1626 states, 1399 states have (on average 1.115082201572552) internal successors, (1560), 1415 states have internal predecessors, (1560), 171 states have call successors, (171), 55 states have call predecessors, (171), 55 states have return successors, (171), 155 states have call predecessors, (171), 171 states have call successors, (171) [2024-11-12 07:14:17,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1626 states to 1626 states and 1902 transitions. [2024-11-12 07:14:17,477 INFO L78 Accepts]: Start accepts. Automaton has 1626 states and 1902 transitions. Word has length 155 [2024-11-12 07:14:17,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:14:17,477 INFO L471 AbstractCegarLoop]: Abstraction has 1626 states and 1902 transitions. [2024-11-12 07:14:17,478 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-12 07:14:17,478 INFO L276 IsEmpty]: Start isEmpty. Operand 1626 states and 1902 transitions. [2024-11-12 07:14:17,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-12 07:14:17,479 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:14:17,479 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:14:17,490 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-12 07:14:17,680 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2024-11-12 07:14:17,680 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:14:17,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:14:17,680 INFO L85 PathProgramCache]: Analyzing trace with hash 1448792624, now seen corresponding path program 1 times [2024-11-12 07:14:17,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:14:17,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303094654] [2024-11-12 07:14:17,681 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:14:17,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:14:17,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:17,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:14:17,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:17,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:14:17,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:17,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:14:17,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:17,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:14:17,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:17,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:14:17,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:17,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:14:17,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:17,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:14:17,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:17,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:14:17,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:17,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:14:17,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:17,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:14:17,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:17,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:14:17,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:17,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:14:17,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:17,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:14:17,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:17,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:14:17,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:17,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:14:17,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:17,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:14:17,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:17,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:14:17,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:17,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:14:17,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:17,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 07:14:17,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:17,833 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-12 07:14:17,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:14:17,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303094654] [2024-11-12 07:14:17,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303094654] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:14:17,834 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:14:17,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-12 07:14:17,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963138220] [2024-11-12 07:14:17,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:14:17,834 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 07:14:17,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:14:17,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 07:14:17,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-12 07:14:17,835 INFO L87 Difference]: Start difference. First operand 1626 states and 1902 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-12 07:14:18,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:14:18,343 INFO L93 Difference]: Finished difference Result 3222 states and 3770 transitions. [2024-11-12 07:14:18,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 07:14:18,344 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 155 [2024-11-12 07:14:18,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:14:18,349 INFO L225 Difference]: With dead ends: 3222 [2024-11-12 07:14:18,349 INFO L226 Difference]: Without dead ends: 1654 [2024-11-12 07:14:18,351 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-12 07:14:18,351 INFO L435 NwaCegarLoop]: 138 mSDtfsCounter, 0 mSDsluCounter, 533 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 671 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 07:14:18,351 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 671 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 07:14:18,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1654 states. [2024-11-12 07:14:18,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1654 to 1606. [2024-11-12 07:14:18,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1606 states, 1379 states have (on average 1.1109499637418419) internal successors, (1532), 1395 states have internal predecessors, (1532), 171 states have call successors, (171), 55 states have call predecessors, (171), 55 states have return successors, (171), 155 states have call predecessors, (171), 171 states have call successors, (171) [2024-11-12 07:14:18,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1606 states to 1606 states and 1874 transitions. [2024-11-12 07:14:18,829 INFO L78 Accepts]: Start accepts. Automaton has 1606 states and 1874 transitions. Word has length 155 [2024-11-12 07:14:18,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:14:18,829 INFO L471 AbstractCegarLoop]: Abstraction has 1606 states and 1874 transitions. [2024-11-12 07:14:18,830 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-12 07:14:18,830 INFO L276 IsEmpty]: Start isEmpty. Operand 1606 states and 1874 transitions. [2024-11-12 07:14:18,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-12 07:14:18,831 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:14:18,831 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:14:18,831 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2024-11-12 07:14:18,831 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:14:18,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:14:18,832 INFO L85 PathProgramCache]: Analyzing trace with hash -1175499988, now seen corresponding path program 1 times [2024-11-12 07:14:18,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:14:18,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032808982] [2024-11-12 07:14:18,832 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:14:18,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:14:18,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:19,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:14:19,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:19,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:14:19,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:19,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:14:19,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:19,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:14:19,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:19,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:14:19,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:19,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:14:19,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:19,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:14:19,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:19,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:14:19,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:19,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:14:19,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:19,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:14:19,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:19,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:14:19,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:19,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:14:19,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:19,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:14:19,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:19,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:14:19,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:19,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:14:19,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:19,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:14:19,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:19,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:14:19,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:19,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:14:19,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:19,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 07:14:19,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:19,095 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-12 07:14:19,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:14:19,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032808982] [2024-11-12 07:14:19,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032808982] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:14:19,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:14:19,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-12 07:14:19,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346360186] [2024-11-12 07:14:19,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:14:19,096 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-12 07:14:19,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:14:19,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 07:14:19,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-12 07:14:19,097 INFO L87 Difference]: Start difference. First operand 1606 states and 1874 transitions. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-12 07:14:20,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:14:20,048 INFO L93 Difference]: Finished difference Result 4544 states and 5300 transitions. [2024-11-12 07:14:20,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-12 07:14:20,049 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 155 [2024-11-12 07:14:20,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:14:20,054 INFO L225 Difference]: With dead ends: 4544 [2024-11-12 07:14:20,055 INFO L226 Difference]: Without dead ends: 1510 [2024-11-12 07:14:20,058 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-12 07:14:20,058 INFO L435 NwaCegarLoop]: 262 mSDtfsCounter, 117 mSDsluCounter, 1144 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 1406 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 07:14:20,058 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 1406 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 07:14:20,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1510 states. [2024-11-12 07:14:20,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1510 to 1510. [2024-11-12 07:14:20,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1510 states, 1289 states have (on average 1.0899922420480992) internal successors, (1405), 1304 states have internal predecessors, (1405), 167 states have call successors, (167), 53 states have call predecessors, (167), 53 states have return successors, (167), 152 states have call predecessors, (167), 167 states have call successors, (167) [2024-11-12 07:14:20,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1510 states to 1510 states and 1739 transitions. [2024-11-12 07:14:20,516 INFO L78 Accepts]: Start accepts. Automaton has 1510 states and 1739 transitions. Word has length 155 [2024-11-12 07:14:20,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:14:20,517 INFO L471 AbstractCegarLoop]: Abstraction has 1510 states and 1739 transitions. [2024-11-12 07:14:20,517 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-12 07:14:20,517 INFO L276 IsEmpty]: Start isEmpty. Operand 1510 states and 1739 transitions. [2024-11-12 07:14:20,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-12 07:14:20,518 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:14:20,518 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:14:20,518 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2024-11-12 07:14:20,519 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:14:20,519 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:14:20,519 INFO L85 PathProgramCache]: Analyzing trace with hash 894196206, now seen corresponding path program 1 times [2024-11-12 07:14:20,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:14:20,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045790678] [2024-11-12 07:14:20,519 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:14:20,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:14:20,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 07:14:20,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [237166860] [2024-11-12 07:14:20,582 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:14:20,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 07:14:20,582 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 07:14:20,587 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 07:14:20,588 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-12 07:14:21,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:14:21,033 INFO L256 TraceCheckSpWp]: Trace formula consists of 497 conjuncts, 71 conjuncts are in the unsatisfiable core [2024-11-12 07:14:21,040 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 07:14:21,046 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-11-12 07:14:21,112 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 19 treesize of output 1 [2024-11-12 07:14:21,138 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 15 treesize of output 1 [2024-11-12 07:14:21,152 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 15 treesize of output 1 [2024-11-12 07:14:21,165 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 15 treesize of output 1 [2024-11-12 07:14:21,219 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-11-12 07:14:21,254 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2024-11-12 07:14:21,265 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 17 treesize of output 13