./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-27.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-ap_file-27.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 1ed18464d9ce97d1cc1f49d30a31556076037dce4eff04ef8ec5de65e115e002 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 07:18:26,026 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 07:18:26,115 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-12 07:18:26,121 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 07:18:26,123 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 07:18:26,147 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 07:18:26,147 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 07:18:26,148 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 07:18:26,148 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 07:18:26,149 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 07:18:26,149 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 07:18:26,149 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 07:18:26,150 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 07:18:26,150 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 07:18:26,151 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 07:18:26,151 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 07:18:26,152 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 07:18:26,152 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 07:18:26,152 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 07:18:26,153 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 07:18:26,153 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 07:18:26,154 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 07:18:26,154 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 07:18:26,154 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 07:18:26,155 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 07:18:26,155 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 07:18:26,156 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 07:18:26,156 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 07:18:26,156 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 07:18:26,157 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 07:18:26,157 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 07:18:26,157 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 07:18:26,158 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 07:18:26,158 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 07:18:26,158 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 07:18:26,159 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 07:18:26,159 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 07:18:26,159 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 07:18:26,159 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 07:18:26,160 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 07:18:26,160 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 07:18:26,161 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 07:18:26,161 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ed18464d9ce97d1cc1f49d30a31556076037dce4eff04ef8ec5de65e115e002 [2024-11-12 07:18:26,422 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 07:18:26,455 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 07:18:26,460 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 07:18:26,461 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 07:18:26,462 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 07:18:26,463 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-27.i [2024-11-12 07:18:28,056 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 07:18:28,275 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 07:18:28,276 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-27.i [2024-11-12 07:18:28,290 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa7a07d33/57de49d3930b4bf18afe2b82305f20e6/FLAG2414d7c1e [2024-11-12 07:18:28,309 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa7a07d33/57de49d3930b4bf18afe2b82305f20e6 [2024-11-12 07:18:28,311 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 07:18:28,313 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 07:18:28,314 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 07:18:28,314 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 07:18:28,319 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 07:18:28,320 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 07:18:28" (1/1) ... [2024-11-12 07:18:28,320 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@417a9065 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:18:28, skipping insertion in model container [2024-11-12 07:18:28,321 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 07:18:28" (1/1) ... [2024-11-12 07:18:28,354 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 07:18:28,551 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-ap_file-27.i[917,930] [2024-11-12 07:18:28,635 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 07:18:28,652 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 07:18:28,666 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-ap_file-27.i[917,930] [2024-11-12 07:18:28,698 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 07:18:28,722 INFO L204 MainTranslator]: Completed translation [2024-11-12 07:18:28,723 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:18:28 WrapperNode [2024-11-12 07:18:28,723 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 07:18:28,724 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 07:18:28,725 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 07:18:28,725 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 07:18:28,731 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:18:28" (1/1) ... [2024-11-12 07:18:28,746 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:18:28" (1/1) ... [2024-11-12 07:18:28,781 INFO L138 Inliner]: procedures = 26, calls = 155, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 445 [2024-11-12 07:18:28,785 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 07:18:28,786 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 07:18:28,786 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 07:18:28,786 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 07:18:28,799 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:18:28" (1/1) ... [2024-11-12 07:18:28,799 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:18:28" (1/1) ... [2024-11-12 07:18:28,825 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:18:28" (1/1) ... [2024-11-12 07:18:28,855 INFO L175 MemorySlicer]: Split 123 memory accesses to 5 slices as follows [2, 16, 70, 11, 24]. 57 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 2, 6, 1, 3]. The 16 writes are split as follows [0, 2, 8, 1, 5]. [2024-11-12 07:18:28,856 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:18:28" (1/1) ... [2024-11-12 07:18:28,856 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:18:28" (1/1) ... [2024-11-12 07:18:28,874 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:18:28" (1/1) ... [2024-11-12 07:18:28,881 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:18:28" (1/1) ... [2024-11-12 07:18:28,884 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:18:28" (1/1) ... [2024-11-12 07:18:28,890 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:18:28" (1/1) ... [2024-11-12 07:18:28,898 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 07:18:28,902 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 07:18:28,902 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 07:18:28,902 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 07:18:28,903 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:18:28" (1/1) ... [2024-11-12 07:18:28,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 07:18:28,926 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 07:18:28,942 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 07:18:28,945 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 07:18:28,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 07:18:28,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-12 07:18:28,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-12 07:18:28,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-12 07:18:28,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-12 07:18:28,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-12 07:18:28,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-12 07:18:28,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-12 07:18:28,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-12 07:18:28,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-12 07:18:28,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-12 07:18:28,988 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 07:18:28,988 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 07:18:28,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 07:18:28,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-12 07:18:28,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-12 07:18:28,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-12 07:18:28,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-12 07:18:28,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 07:18:28,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 07:18:29,098 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 07:18:29,100 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 07:18:29,611 INFO L? ?]: Removed 110 outVars from TransFormulas that were not future-live. [2024-11-12 07:18:29,611 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 07:18:29,625 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 07:18:29,626 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 07:18:29,626 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 07:18:29 BoogieIcfgContainer [2024-11-12 07:18:29,626 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 07:18:29,628 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 07:18:29,628 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 07:18:29,632 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 07:18:29,632 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 07:18:28" (1/3) ... [2024-11-12 07:18:29,633 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46d2b90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 07:18:29, skipping insertion in model container [2024-11-12 07:18:29,633 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:18:28" (2/3) ... [2024-11-12 07:18:29,633 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46d2b90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 07:18:29, skipping insertion in model container [2024-11-12 07:18:29,633 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 07:18:29" (3/3) ... [2024-11-12 07:18:29,636 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-ap_file-27.i [2024-11-12 07:18:29,651 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 07:18:29,652 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 07:18:29,709 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 07:18:29,715 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;@746a2781, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 07:18:29,715 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 07:18:29,719 INFO L276 IsEmpty]: Start isEmpty. Operand has 94 states, 74 states have (on average 1.3783783783783783) internal successors, (102), 75 states have internal predecessors, (102), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-12 07:18:29,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-12 07:18:29,730 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:18:29,730 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:18:29,731 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:18:29,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:18:29,737 INFO L85 PathProgramCache]: Analyzing trace with hash -599042020, now seen corresponding path program 1 times [2024-11-12 07:18:29,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:18:29,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32034933] [2024-11-12 07:18:29,745 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:18:29,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:18:29,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:30,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:18:30,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:30,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:18:30,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:30,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:18:30,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:30,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:18:30,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:30,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:18:30,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:30,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:18:30,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:30,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:18:30,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:30,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:18:30,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:30,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:18:30,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:30,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:18:30,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:30,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:18:30,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:30,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:18:30,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:30,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:18:30,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:30,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:18:30,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:30,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:18:30,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:30,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:18:30,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:30,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:18:30,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:30,266 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-12 07:18:30,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:18:30,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32034933] [2024-11-12 07:18:30,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [32034933] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:18:30,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:18:30,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 07:18:30,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524545592] [2024-11-12 07:18:30,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:18:30,279 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-12 07:18:30,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:18:30,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-12 07:18:30,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 07:18:30,304 INFO L87 Difference]: Start difference. First operand has 94 states, 74 states have (on average 1.3783783783783783) internal successors, (102), 75 states have internal predecessors, (102), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-12 07:18:30,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:18:30,387 INFO L93 Difference]: Finished difference Result 181 states and 283 transitions. [2024-11-12 07:18:30,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 07:18:30,393 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) Word has length 131 [2024-11-12 07:18:30,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:18:30,409 INFO L225 Difference]: With dead ends: 181 [2024-11-12 07:18:30,410 INFO L226 Difference]: Without dead ends: 90 [2024-11-12 07:18:30,447 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 53 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 07:18:30,455 INFO L435 NwaCegarLoop]: 129 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, 129 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 07:18:30,461 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 07:18:30,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2024-11-12 07:18:30,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2024-11-12 07:18:30,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 71 states have (on average 1.3380281690140845) internal successors, (95), 71 states have internal predecessors, (95), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-12 07:18:30,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 129 transitions. [2024-11-12 07:18:30,516 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 129 transitions. Word has length 131 [2024-11-12 07:18:30,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:18:30,517 INFO L471 AbstractCegarLoop]: Abstraction has 90 states and 129 transitions. [2024-11-12 07:18:30,517 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-12 07:18:30,517 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 129 transitions. [2024-11-12 07:18:30,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-12 07:18:30,522 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:18:30,522 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:18:30,523 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 07:18:30,523 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:18:30,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:18:30,523 INFO L85 PathProgramCache]: Analyzing trace with hash -1244012870, now seen corresponding path program 1 times [2024-11-12 07:18:30,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:18:30,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782746348] [2024-11-12 07:18:30,524 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:18:30,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:18:30,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:31,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:18:31,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:31,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:18:31,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:31,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:18:31,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:31,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:18:31,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:31,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:18:31,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:31,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:18:31,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:31,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:18:31,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:31,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:18:31,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:31,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:18:31,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:31,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:18:31,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:31,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:18:31,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:31,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:18:31,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:31,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:18:31,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:31,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:18:31,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:31,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:18:31,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:31,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:18:31,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:31,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:18:31,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:31,289 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-12 07:18:31,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:18:31,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782746348] [2024-11-12 07:18:31,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1782746348] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:18:31,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:18:31,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 07:18:31,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112447551] [2024-11-12 07:18:31,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:18:31,293 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 07:18:31,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:18:31,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 07:18:31,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-12 07:18:31,296 INFO L87 Difference]: Start difference. First operand 90 states and 129 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-12 07:18:31,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:18:31,420 INFO L93 Difference]: Finished difference Result 224 states and 324 transitions. [2024-11-12 07:18:31,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 07:18:31,421 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 131 [2024-11-12 07:18:31,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:18:31,423 INFO L225 Difference]: With dead ends: 224 [2024-11-12 07:18:31,423 INFO L226 Difference]: Without dead ends: 137 [2024-11-12 07:18:31,424 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-12 07:18:31,427 INFO L435 NwaCegarLoop]: 119 mSDtfsCounter, 135 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 345 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 07:18:31,429 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 345 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 07:18:31,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2024-11-12 07:18:31,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 94. [2024-11-12 07:18:31,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 75 states have (on average 1.3466666666666667) internal successors, (101), 75 states have internal predecessors, (101), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-12 07:18:31,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 135 transitions. [2024-11-12 07:18:31,445 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 135 transitions. Word has length 131 [2024-11-12 07:18:31,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:18:31,446 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 135 transitions. [2024-11-12 07:18:31,447 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-12 07:18:31,447 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 135 transitions. [2024-11-12 07:18:31,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-12 07:18:31,449 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:18:31,449 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:18:31,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 07:18:31,449 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:18:31,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:18:31,450 INFO L85 PathProgramCache]: Analyzing trace with hash 1362010684, now seen corresponding path program 1 times [2024-11-12 07:18:31,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:18:31,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930777197] [2024-11-12 07:18:31,450 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:18:31,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:18:31,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:32,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:18:32,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:32,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:18:32,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:32,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:18:32,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:32,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:18:32,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:32,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:18:32,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:32,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:18:32,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:32,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:18:32,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:32,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:18:32,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:32,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:18:32,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:32,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:18:32,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:32,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:18:32,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:32,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:18:32,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:32,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:18:32,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:32,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:18:32,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:32,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:18:32,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:32,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:18:32,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:32,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:18:32,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:32,145 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-12 07:18:32,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:18:32,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930777197] [2024-11-12 07:18:32,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930777197] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:18:32,145 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:18:32,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 07:18:32,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621937222] [2024-11-12 07:18:32,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:18:32,147 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 07:18:32,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:18:32,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 07:18:32,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-12 07:18:32,149 INFO L87 Difference]: Start difference. First operand 94 states and 135 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-12 07:18:32,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:18:32,320 INFO L93 Difference]: Finished difference Result 241 states and 348 transitions. [2024-11-12 07:18:32,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 07:18:32,320 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 131 [2024-11-12 07:18:32,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:18:32,323 INFO L225 Difference]: With dead ends: 241 [2024-11-12 07:18:32,323 INFO L226 Difference]: Without dead ends: 150 [2024-11-12 07:18:32,327 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-12 07:18:32,328 INFO L435 NwaCegarLoop]: 110 mSDtfsCounter, 49 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 397 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 07:18:32,330 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 397 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 07:18:32,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2024-11-12 07:18:32,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 146. [2024-11-12 07:18:32,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 109 states have (on average 1.2935779816513762) internal successors, (141), 109 states have internal predecessors, (141), 34 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-12 07:18:32,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 209 transitions. [2024-11-12 07:18:32,361 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 209 transitions. Word has length 131 [2024-11-12 07:18:32,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:18:32,362 INFO L471 AbstractCegarLoop]: Abstraction has 146 states and 209 transitions. [2024-11-12 07:18:32,362 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-12 07:18:32,362 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 209 transitions. [2024-11-12 07:18:32,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-12 07:18:32,367 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:18:32,367 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:18:32,367 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 07:18:32,368 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:18:32,368 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:18:32,368 INFO L85 PathProgramCache]: Analyzing trace with hash 561425464, now seen corresponding path program 1 times [2024-11-12 07:18:32,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:18:32,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38678568] [2024-11-12 07:18:32,370 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:18:32,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:18:32,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:32,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:18:32,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:32,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:18:32,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:32,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:18:32,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:32,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:18:32,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:32,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:18:32,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:32,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:18:32,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:32,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:18:32,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:32,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:18:32,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:32,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:18:32,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:32,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:18:32,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:32,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:18:32,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:32,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:18:32,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:32,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:18:32,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:32,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:18:32,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:32,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:18:32,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:32,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:18:32,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:32,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:18:32,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:32,732 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-12 07:18:32,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:18:32,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38678568] [2024-11-12 07:18:32,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38678568] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:18:32,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:18:32,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 07:18:32,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992990069] [2024-11-12 07:18:32,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:18:32,733 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 07:18:32,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:18:32,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 07:18:32,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-12 07:18:32,734 INFO L87 Difference]: Start difference. First operand 146 states and 209 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-12 07:18:32,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:18:32,813 INFO L93 Difference]: Finished difference Result 288 states and 413 transitions. [2024-11-12 07:18:32,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 07:18:32,814 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 131 [2024-11-12 07:18:32,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:18:32,815 INFO L225 Difference]: With dead ends: 288 [2024-11-12 07:18:32,815 INFO L226 Difference]: Without dead ends: 197 [2024-11-12 07:18:32,816 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-12 07:18:32,817 INFO L435 NwaCegarLoop]: 178 mSDtfsCounter, 118 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 463 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 07:18:32,817 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 463 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 07:18:32,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2024-11-12 07:18:32,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 164. [2024-11-12 07:18:32,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 127 states have (on average 1.2992125984251968) internal successors, (165), 127 states have internal predecessors, (165), 34 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-12 07:18:32,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 233 transitions. [2024-11-12 07:18:32,833 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 233 transitions. Word has length 131 [2024-11-12 07:18:32,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:18:32,833 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 233 transitions. [2024-11-12 07:18:32,833 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-12 07:18:32,833 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 233 transitions. [2024-11-12 07:18:32,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-12 07:18:32,835 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:18:32,835 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:18:32,835 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 07:18:32,835 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:18:32,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:18:32,836 INFO L85 PathProgramCache]: Analyzing trace with hash -1871022988, now seen corresponding path program 1 times [2024-11-12 07:18:32,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:18:32,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157125734] [2024-11-12 07:18:32,836 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:18:32,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:18:32,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:33,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:18:33,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:33,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:18:33,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:33,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:18:33,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:33,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:18:33,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:33,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:18:33,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:33,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:18:33,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:33,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:18:33,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:33,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:18:33,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:33,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:18:33,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:33,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:18:33,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:33,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:18:33,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:33,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:18:33,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:33,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:18:33,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:33,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:18:33,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:33,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:18:33,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:33,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:18:33,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:33,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:18:33,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:33,750 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-12 07:18:33,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:18:33,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157125734] [2024-11-12 07:18:33,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157125734] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:18:33,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:18:33,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-12 07:18:33,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122479399] [2024-11-12 07:18:33,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:18:33,752 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-12 07:18:33,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:18:33,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 07:18:33,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-12 07:18:33,753 INFO L87 Difference]: Start difference. First operand 164 states and 233 transitions. Second operand has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-12 07:18:34,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:18:34,186 INFO L93 Difference]: Finished difference Result 323 states and 459 transitions. [2024-11-12 07:18:34,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-12 07:18:34,187 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 132 [2024-11-12 07:18:34,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:18:34,189 INFO L225 Difference]: With dead ends: 323 [2024-11-12 07:18:34,189 INFO L226 Difference]: Without dead ends: 219 [2024-11-12 07:18:34,189 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-12 07:18:34,190 INFO L435 NwaCegarLoop]: 145 mSDtfsCounter, 159 mSDsluCounter, 419 mSDsCounter, 0 mSdLazyCounter, 270 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 564 SdHoareTripleChecker+Invalid, 278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 07:18:34,191 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 564 Invalid, 278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 270 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 07:18:34,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2024-11-12 07:18:34,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 216. [2024-11-12 07:18:34,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 174 states have (on average 1.3218390804597702) internal successors, (230), 175 states have internal predecessors, (230), 38 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-12 07:18:34,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 306 transitions. [2024-11-12 07:18:34,216 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 306 transitions. Word has length 132 [2024-11-12 07:18:34,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:18:34,216 INFO L471 AbstractCegarLoop]: Abstraction has 216 states and 306 transitions. [2024-11-12 07:18:34,217 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-12 07:18:34,217 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 306 transitions. [2024-11-12 07:18:34,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-12 07:18:34,218 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:18:34,218 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:18:34,219 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 07:18:34,219 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:18:34,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:18:34,219 INFO L85 PathProgramCache]: Analyzing trace with hash -1080888233, now seen corresponding path program 1 times [2024-11-12 07:18:34,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:18:34,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158780234] [2024-11-12 07:18:34,220 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:18:34,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:18:34,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:34,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:18:34,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:34,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:18:34,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:34,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:18:34,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:34,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:18:34,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:34,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:18:34,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:34,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:18:34,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:34,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:18:34,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:34,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:18:34,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:34,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:18:34,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:34,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:18:34,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:34,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:18:34,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:34,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:18:34,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:34,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:18:34,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:34,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:18:34,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:34,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:18:34,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:34,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:18:34,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:34,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:18:34,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:35,002 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-12 07:18:35,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:18:35,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158780234] [2024-11-12 07:18:35,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158780234] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:18:35,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:18:35,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-12 07:18:35,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347243744] [2024-11-12 07:18:35,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:18:35,004 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-12 07:18:35,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:18:35,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 07:18:35,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-12 07:18:35,005 INFO L87 Difference]: Start difference. First operand 216 states and 306 transitions. Second operand has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 3 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-12 07:18:35,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:18:35,265 INFO L93 Difference]: Finished difference Result 526 states and 750 transitions. [2024-11-12 07:18:35,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 07:18:35,266 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 3 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 133 [2024-11-12 07:18:35,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:18:35,272 INFO L225 Difference]: With dead ends: 526 [2024-11-12 07:18:35,272 INFO L226 Difference]: Without dead ends: 370 [2024-11-12 07:18:35,273 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-11-12 07:18:35,274 INFO L435 NwaCegarLoop]: 145 mSDtfsCounter, 174 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 463 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 07:18:35,274 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 463 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 07:18:35,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2024-11-12 07:18:35,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 364. [2024-11-12 07:18:35,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 364 states, 299 states have (on average 1.3377926421404682) internal successors, (400), 301 states have internal predecessors, (400), 59 states have call successors, (59), 5 states have call predecessors, (59), 5 states have return successors, (59), 57 states have call predecessors, (59), 59 states have call successors, (59) [2024-11-12 07:18:35,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 518 transitions. [2024-11-12 07:18:35,328 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 518 transitions. Word has length 133 [2024-11-12 07:18:35,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:18:35,328 INFO L471 AbstractCegarLoop]: Abstraction has 364 states and 518 transitions. [2024-11-12 07:18:35,329 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 3 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-12 07:18:35,329 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 518 transitions. [2024-11-12 07:18:35,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-12 07:18:35,332 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:18:35,332 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:18:35,332 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-12 07:18:35,332 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:18:35,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:18:35,333 INFO L85 PathProgramCache]: Analyzing trace with hash -2089824625, now seen corresponding path program 1 times [2024-11-12 07:18:35,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:18:35,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302497824] [2024-11-12 07:18:35,335 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:18:35,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:18:35,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:35,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:18:35,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:35,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:18:35,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:35,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:18:35,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:35,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:18:35,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:35,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:18:35,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:35,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:18:35,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:35,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:18:35,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:35,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:18:35,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:35,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:18:35,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:35,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:18:35,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:35,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:18:35,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:35,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:18:35,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:35,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:18:35,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:35,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:18:35,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:35,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:18:35,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:35,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:18:35,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:35,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:18:35,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:35,877 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-12 07:18:35,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:18:35,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302497824] [2024-11-12 07:18:35,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302497824] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:18:35,877 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:18:35,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-12 07:18:35,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786408484] [2024-11-12 07:18:35,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:18:35,878 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-12 07:18:35,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:18:35,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 07:18:35,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-12 07:18:35,879 INFO L87 Difference]: Start difference. First operand 364 states and 518 transitions. Second operand has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-12 07:18:36,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:18:36,191 INFO L93 Difference]: Finished difference Result 628 states and 894 transitions. [2024-11-12 07:18:36,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 07:18:36,192 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 134 [2024-11-12 07:18:36,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:18:36,194 INFO L225 Difference]: With dead ends: 628 [2024-11-12 07:18:36,194 INFO L226 Difference]: Without dead ends: 313 [2024-11-12 07:18:36,195 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-12 07:18:36,196 INFO L435 NwaCegarLoop]: 142 mSDtfsCounter, 170 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 425 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 07:18:36,196 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 425 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 07:18:36,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2024-11-12 07:18:36,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 253. [2024-11-12 07:18:36,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 211 states have (on average 1.3412322274881516) internal successors, (283), 212 states have internal predecessors, (283), 38 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-12 07:18:36,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 359 transitions. [2024-11-12 07:18:36,231 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 359 transitions. Word has length 134 [2024-11-12 07:18:36,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:18:36,232 INFO L471 AbstractCegarLoop]: Abstraction has 253 states and 359 transitions. [2024-11-12 07:18:36,232 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-12 07:18:36,232 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 359 transitions. [2024-11-12 07:18:36,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-12 07:18:36,234 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:18:36,234 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:18:36,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-12 07:18:36,235 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:18:36,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:18:36,235 INFO L85 PathProgramCache]: Analyzing trace with hash 1530075279, now seen corresponding path program 1 times [2024-11-12 07:18:36,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:18:36,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327432492] [2024-11-12 07:18:36,235 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:18:36,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:18:36,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:36,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:18:36,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:36,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:18:36,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:36,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:18:36,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:36,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:18:36,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:36,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:18:36,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:36,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:18:36,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:36,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:18:36,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:36,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:18:36,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:36,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:18:36,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:36,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:18:36,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:36,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:18:36,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:36,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:18:36,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:36,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:18:36,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:36,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:18:36,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:36,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:18:36,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:36,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:18:36,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:36,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:18:36,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:36,800 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-12 07:18:36,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:18:36,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327432492] [2024-11-12 07:18:36,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327432492] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:18:36,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:18:36,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-12 07:18:36,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513907213] [2024-11-12 07:18:36,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:18:36,801 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 07:18:36,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:18:36,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 07:18:36,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-12 07:18:36,802 INFO L87 Difference]: Start difference. First operand 253 states and 359 transitions. Second operand has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-12 07:18:37,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:18:37,150 INFO L93 Difference]: Finished difference Result 416 states and 583 transitions. [2024-11-12 07:18:37,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 07:18:37,151 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 134 [2024-11-12 07:18:37,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:18:37,153 INFO L225 Difference]: With dead ends: 416 [2024-11-12 07:18:37,153 INFO L226 Difference]: Without dead ends: 264 [2024-11-12 07:18:37,154 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-12 07:18:37,156 INFO L435 NwaCegarLoop]: 110 mSDtfsCounter, 291 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 273 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 291 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 07:18:37,156 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [291 Valid, 394 Invalid, 308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 273 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 07:18:37,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2024-11-12 07:18:37,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 226. [2024-11-12 07:18:37,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 187 states have (on average 1.320855614973262) internal successors, (247), 187 states have internal predecessors, (247), 34 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-12 07:18:37,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 315 transitions. [2024-11-12 07:18:37,179 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 315 transitions. Word has length 134 [2024-11-12 07:18:37,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:18:37,180 INFO L471 AbstractCegarLoop]: Abstraction has 226 states and 315 transitions. [2024-11-12 07:18:37,180 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-12 07:18:37,180 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 315 transitions. [2024-11-12 07:18:37,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-12 07:18:37,182 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:18:37,182 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:18:37,182 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-12 07:18:37,182 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:18:37,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:18:37,182 INFO L85 PathProgramCache]: Analyzing trace with hash 1315430834, now seen corresponding path program 1 times [2024-11-12 07:18:37,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:18:37,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758406840] [2024-11-12 07:18:37,183 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:18:37,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:18:37,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:38,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:18:38,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:38,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:18:38,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:38,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:18:38,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:38,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:18:38,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:38,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:18:38,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:38,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:18:38,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:38,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:18:38,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:38,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:18:38,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:38,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:18:38,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:38,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:18:38,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:38,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:18:38,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:38,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:18:38,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:38,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:18:38,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:38,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:18:38,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:38,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:18:38,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:38,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:18:38,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:38,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:18:38,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:38,783 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-12 07:18:38,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:18:38,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758406840] [2024-11-12 07:18:38,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1758406840] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:18:38,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:18:38,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-12 07:18:38,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656915134] [2024-11-12 07:18:38,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:18:38,785 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-12 07:18:38,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:18:38,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-12 07:18:38,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2024-11-12 07:18:38,786 INFO L87 Difference]: Start difference. First operand 226 states and 315 transitions. Second operand has 14 states, 13 states have (on average 4.076923076923077) internal successors, (53), 13 states have internal predecessors, (53), 3 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-12 07:18:39,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:18:39,935 INFO L93 Difference]: Finished difference Result 563 states and 782 transitions. [2024-11-12 07:18:39,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-12 07:18:39,936 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 4.076923076923077) internal successors, (53), 13 states have internal predecessors, (53), 3 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 135 [2024-11-12 07:18:39,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:18:39,938 INFO L225 Difference]: With dead ends: 563 [2024-11-12 07:18:39,939 INFO L226 Difference]: Without dead ends: 340 [2024-11-12 07:18:39,940 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=99, Invalid=407, Unknown=0, NotChecked=0, Total=506 [2024-11-12 07:18:39,941 INFO L435 NwaCegarLoop]: 121 mSDtfsCounter, 313 mSDsluCounter, 733 mSDsCounter, 0 mSdLazyCounter, 634 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 313 SdHoareTripleChecker+Valid, 854 SdHoareTripleChecker+Invalid, 668 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 634 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-12 07:18:39,942 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [313 Valid, 854 Invalid, 668 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 634 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-12 07:18:39,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2024-11-12 07:18:39,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 258. [2024-11-12 07:18:39,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 219 states have (on average 1.3196347031963471) internal successors, (289), 219 states have internal predecessors, (289), 34 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-12 07:18:39,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 357 transitions. [2024-11-12 07:18:39,981 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 357 transitions. Word has length 135 [2024-11-12 07:18:39,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:18:39,981 INFO L471 AbstractCegarLoop]: Abstraction has 258 states and 357 transitions. [2024-11-12 07:18:39,981 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 4.076923076923077) internal successors, (53), 13 states have internal predecessors, (53), 3 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-12 07:18:39,981 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 357 transitions. [2024-11-12 07:18:39,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-12 07:18:39,982 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:18:39,983 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:18:39,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-12 07:18:39,983 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:18:39,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:18:39,983 INFO L85 PathProgramCache]: Analyzing trace with hash 1573596272, now seen corresponding path program 1 times [2024-11-12 07:18:39,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:18:39,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38383412] [2024-11-12 07:18:39,984 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:18:39,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:18:40,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:41,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:18:41,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:41,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:18:41,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:41,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:18:41,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:41,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:18:41,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:41,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:18:41,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:41,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:18:41,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:41,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:18:41,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:41,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:18:41,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:41,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:18:41,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:41,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:18:41,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:41,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:18:41,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:41,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:18:41,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:41,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:18:41,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:41,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:18:41,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:41,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:18:41,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:41,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:18:41,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:41,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:18:41,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:41,271 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-12 07:18:41,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:18:41,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38383412] [2024-11-12 07:18:41,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38383412] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:18:41,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:18:41,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-12 07:18:41,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913058084] [2024-11-12 07:18:41,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:18:41,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-12 07:18:41,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:18:41,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-12 07:18:41,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-12 07:18:41,274 INFO L87 Difference]: Start difference. First operand 258 states and 357 transitions. Second operand has 11 states, 11 states have (on average 4.818181818181818) internal successors, (53), 11 states have internal predecessors, (53), 3 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-12 07:18:41,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:18:41,964 INFO L93 Difference]: Finished difference Result 589 states and 814 transitions. [2024-11-12 07:18:41,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 07:18:41,965 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.818181818181818) internal successors, (53), 11 states have internal predecessors, (53), 3 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 135 [2024-11-12 07:18:41,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:18:41,968 INFO L225 Difference]: With dead ends: 589 [2024-11-12 07:18:41,968 INFO L226 Difference]: Without dead ends: 334 [2024-11-12 07:18:41,969 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=64, Invalid=176, Unknown=0, NotChecked=0, Total=240 [2024-11-12 07:18:41,969 INFO L435 NwaCegarLoop]: 144 mSDtfsCounter, 165 mSDsluCounter, 488 mSDsCounter, 0 mSdLazyCounter, 453 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 632 SdHoareTripleChecker+Invalid, 462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 453 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 07:18:41,970 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 632 Invalid, 462 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 453 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 07:18:41,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2024-11-12 07:18:42,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 258. [2024-11-12 07:18:42,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 219 states have (on average 1.3105022831050228) internal successors, (287), 219 states have internal predecessors, (287), 34 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-12 07:18:42,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 355 transitions. [2024-11-12 07:18:42,029 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 355 transitions. Word has length 135 [2024-11-12 07:18:42,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:18:42,029 INFO L471 AbstractCegarLoop]: Abstraction has 258 states and 355 transitions. [2024-11-12 07:18:42,029 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.818181818181818) internal successors, (53), 11 states have internal predecessors, (53), 3 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-12 07:18:42,030 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 355 transitions. [2024-11-12 07:18:42,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-12 07:18:42,031 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:18:42,031 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:18:42,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-12 07:18:42,032 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:18:42,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:18:42,032 INFO L85 PathProgramCache]: Analyzing trace with hash 497782384, now seen corresponding path program 1 times [2024-11-12 07:18:42,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:18:42,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677282513] [2024-11-12 07:18:42,032 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:18:42,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:18:42,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:43,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:18:43,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:43,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:18:43,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:43,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:18:43,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:43,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:18:43,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:43,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:18:43,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:43,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:18:43,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:43,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:18:43,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:43,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:18:43,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:43,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:18:43,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:43,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:18:43,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:43,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:18:43,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:43,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:18:43,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:43,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:18:43,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:43,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:18:43,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:43,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:18:43,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:43,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:18:43,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:43,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:18:43,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:43,343 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-12 07:18:43,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:18:43,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677282513] [2024-11-12 07:18:43,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677282513] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:18:43,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:18:43,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-12 07:18:43,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977791004] [2024-11-12 07:18:43,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:18:43,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-12 07:18:43,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:18:43,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-12 07:18:43,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-11-12 07:18:43,346 INFO L87 Difference]: Start difference. First operand 258 states and 355 transitions. Second operand has 12 states, 11 states have (on average 4.818181818181818) internal successors, (53), 12 states have internal predecessors, (53), 4 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 4 states have call successors, (17) [2024-11-12 07:18:44,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:18:44,058 INFO L93 Difference]: Finished difference Result 587 states and 808 transitions. [2024-11-12 07:18:44,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 07:18:44,059 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.818181818181818) internal successors, (53), 12 states have internal predecessors, (53), 4 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 4 states have call successors, (17) Word has length 135 [2024-11-12 07:18:44,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:18:44,061 INFO L225 Difference]: With dead ends: 587 [2024-11-12 07:18:44,061 INFO L226 Difference]: Without dead ends: 332 [2024-11-12 07:18:44,062 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=69, Invalid=203, Unknown=0, NotChecked=0, Total=272 [2024-11-12 07:18:44,063 INFO L435 NwaCegarLoop]: 106 mSDtfsCounter, 361 mSDsluCounter, 426 mSDsCounter, 0 mSdLazyCounter, 473 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 362 SdHoareTripleChecker+Valid, 532 SdHoareTripleChecker+Invalid, 524 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-12 07:18:44,063 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [362 Valid, 532 Invalid, 524 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 473 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-12 07:18:44,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2024-11-12 07:18:44,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 258. [2024-11-12 07:18:44,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 219 states have (on average 1.3013698630136987) internal successors, (285), 219 states have internal predecessors, (285), 34 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-12 07:18:44,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 353 transitions. [2024-11-12 07:18:44,097 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 353 transitions. Word has length 135 [2024-11-12 07:18:44,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:18:44,097 INFO L471 AbstractCegarLoop]: Abstraction has 258 states and 353 transitions. [2024-11-12 07:18:44,098 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.818181818181818) internal successors, (53), 12 states have internal predecessors, (53), 4 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 4 states have call successors, (17) [2024-11-12 07:18:44,098 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 353 transitions. [2024-11-12 07:18:44,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-12 07:18:44,099 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:18:44,099 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:18:44,099 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-12 07:18:44,099 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:18:44,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:18:44,100 INFO L85 PathProgramCache]: Analyzing trace with hash 755947822, now seen corresponding path program 1 times [2024-11-12 07:18:44,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:18:44,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043876003] [2024-11-12 07:18:44,100 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:18:44,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:18:44,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:45,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:18:45,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:45,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:18:45,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:45,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:18:45,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:45,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:18:45,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:45,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:18:45,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:45,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:18:45,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:45,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:18:45,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:45,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:18:45,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:45,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:18:45,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:45,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:18:45,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:45,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:18:45,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:45,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:18:45,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:45,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:18:45,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:45,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:18:45,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:45,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:18:45,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:45,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:18:45,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:45,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:18:45,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:45,339 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-12 07:18:45,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:18:45,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043876003] [2024-11-12 07:18:45,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1043876003] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:18:45,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:18:45,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-12 07:18:45,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730945056] [2024-11-12 07:18:45,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:18:45,341 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-12 07:18:45,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:18:45,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-12 07:18:45,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2024-11-12 07:18:45,342 INFO L87 Difference]: Start difference. First operand 258 states and 353 transitions. Second operand has 14 states, 13 states have (on average 4.076923076923077) internal successors, (53), 14 states have internal predecessors, (53), 4 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 4 states have call successors, (17) [2024-11-12 07:18:46,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:18:46,255 INFO L93 Difference]: Finished difference Result 587 states and 804 transitions. [2024-11-12 07:18:46,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-12 07:18:46,256 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 4.076923076923077) internal successors, (53), 14 states have internal predecessors, (53), 4 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 4 states have call successors, (17) Word has length 135 [2024-11-12 07:18:46,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:18:46,258 INFO L225 Difference]: With dead ends: 587 [2024-11-12 07:18:46,258 INFO L226 Difference]: Without dead ends: 332 [2024-11-12 07:18:46,259 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=92, Invalid=370, Unknown=0, NotChecked=0, Total=462 [2024-11-12 07:18:46,260 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 156 mSDsluCounter, 939 mSDsCounter, 0 mSdLazyCounter, 766 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 1087 SdHoareTripleChecker+Invalid, 775 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 766 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-12 07:18:46,260 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 1087 Invalid, 775 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 766 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-12 07:18:46,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2024-11-12 07:18:46,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 252. [2024-11-12 07:18:46,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 213 states have (on average 1.300469483568075) internal successors, (277), 213 states have internal predecessors, (277), 34 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-12 07:18:46,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 345 transitions. [2024-11-12 07:18:46,293 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 345 transitions. Word has length 135 [2024-11-12 07:18:46,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:18:46,293 INFO L471 AbstractCegarLoop]: Abstraction has 252 states and 345 transitions. [2024-11-12 07:18:46,293 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 4.076923076923077) internal successors, (53), 14 states have internal predecessors, (53), 4 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 4 states have call successors, (17) [2024-11-12 07:18:46,294 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 345 transitions. [2024-11-12 07:18:46,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-12 07:18:46,296 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:18:46,296 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:18:46,297 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-12 07:18:46,297 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:18:46,297 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:18:46,297 INFO L85 PathProgramCache]: Analyzing trace with hash -697675202, now seen corresponding path program 1 times [2024-11-12 07:18:46,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:18:46,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084329926] [2024-11-12 07:18:46,298 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:18:46,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:18:46,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:46,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:18:46,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:46,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:18:46,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:46,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:18:46,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:46,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:18:46,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:46,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:18:46,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:46,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:18:46,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:46,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:18:46,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:46,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:18:46,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:46,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:18:46,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:46,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:18:46,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:46,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:18:46,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:46,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:18:46,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:46,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:18:46,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:46,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:18:46,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:46,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:18:46,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:46,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:18:46,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:46,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:18:46,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:46,544 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-12 07:18:46,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:18:46,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084329926] [2024-11-12 07:18:46,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2084329926] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:18:46,545 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:18:46,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 07:18:46,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098116780] [2024-11-12 07:18:46,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:18:46,546 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 07:18:46,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:18:46,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 07:18:46,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-12 07:18:46,547 INFO L87 Difference]: Start difference. First operand 252 states and 345 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-12 07:18:46,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:18:46,635 INFO L93 Difference]: Finished difference Result 608 states and 829 transitions. [2024-11-12 07:18:46,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 07:18:46,636 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 135 [2024-11-12 07:18:46,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:18:46,638 INFO L225 Difference]: With dead ends: 608 [2024-11-12 07:18:46,638 INFO L226 Difference]: Without dead ends: 359 [2024-11-12 07:18:46,639 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-12 07:18:46,639 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 54 mSDsluCounter, 338 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 07:18:46,640 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 465 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 07:18:46,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2024-11-12 07:18:46,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 311. [2024-11-12 07:18:46,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 311 states, 272 states have (on average 1.286764705882353) internal successors, (350), 272 states have internal predecessors, (350), 34 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-12 07:18:46,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 311 states and 418 transitions. [2024-11-12 07:18:46,672 INFO L78 Accepts]: Start accepts. Automaton has 311 states and 418 transitions. Word has length 135 [2024-11-12 07:18:46,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:18:46,672 INFO L471 AbstractCegarLoop]: Abstraction has 311 states and 418 transitions. [2024-11-12 07:18:46,673 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-12 07:18:46,673 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 418 transitions. [2024-11-12 07:18:46,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-12 07:18:46,674 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:18:46,674 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:18:46,675 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-12 07:18:46,675 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:18:46,675 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:18:46,675 INFO L85 PathProgramCache]: Analyzing trace with hash 3389376, now seen corresponding path program 1 times [2024-11-12 07:18:46,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:18:46,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492809924] [2024-11-12 07:18:46,675 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:18:46,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:18:46,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:48,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:18:48,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:48,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:18:48,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:48,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:18:48,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:48,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:18:48,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:48,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:18:48,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:48,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:18:48,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:48,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:18:48,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:48,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:18:48,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:48,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:18:48,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:48,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:18:48,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:48,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:18:48,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:48,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:18:48,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:48,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:18:48,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:48,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:18:48,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:48,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:18:48,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:48,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:18:48,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:48,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:18:48,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:48,535 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-12 07:18:48,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:18:48,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492809924] [2024-11-12 07:18:48,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492809924] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:18:48,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:18:48,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-12 07:18:48,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091617037] [2024-11-12 07:18:48,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:18:48,536 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-12 07:18:48,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:18:48,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-12 07:18:48,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2024-11-12 07:18:48,537 INFO L87 Difference]: Start difference. First operand 311 states and 418 transitions. Second operand has 15 states, 14 states have (on average 3.7857142857142856) internal successors, (53), 14 states have internal predecessors, (53), 3 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-12 07:18:49,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:18:49,675 INFO L93 Difference]: Finished difference Result 762 states and 1024 transitions. [2024-11-12 07:18:49,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-12 07:18:49,676 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.7857142857142856) internal successors, (53), 14 states have internal predecessors, (53), 3 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 135 [2024-11-12 07:18:49,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:18:49,678 INFO L225 Difference]: With dead ends: 762 [2024-11-12 07:18:49,678 INFO L226 Difference]: Without dead ends: 454 [2024-11-12 07:18:49,679 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=137, Invalid=463, Unknown=0, NotChecked=0, Total=600 [2024-11-12 07:18:49,680 INFO L435 NwaCegarLoop]: 115 mSDtfsCounter, 199 mSDsluCounter, 605 mSDsCounter, 0 mSdLazyCounter, 630 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 720 SdHoareTripleChecker+Invalid, 649 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 630 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-12 07:18:49,680 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [199 Valid, 720 Invalid, 649 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 630 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-12 07:18:49,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2024-11-12 07:18:49,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 384. [2024-11-12 07:18:49,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 384 states, 345 states have (on average 1.2927536231884058) internal successors, (446), 345 states have internal predecessors, (446), 34 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-12 07:18:49,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 514 transitions. [2024-11-12 07:18:49,719 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 514 transitions. Word has length 135 [2024-11-12 07:18:49,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:18:49,720 INFO L471 AbstractCegarLoop]: Abstraction has 384 states and 514 transitions. [2024-11-12 07:18:49,720 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.7857142857142856) internal successors, (53), 14 states have internal predecessors, (53), 3 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-12 07:18:49,721 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 514 transitions. [2024-11-12 07:18:49,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-12 07:18:49,739 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:18:49,739 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:18:49,739 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-12 07:18:49,740 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:18:49,740 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:18:49,740 INFO L85 PathProgramCache]: Analyzing trace with hash 65428990, now seen corresponding path program 1 times [2024-11-12 07:18:49,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:18:49,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280653800] [2024-11-12 07:18:49,741 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:18:49,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:18:49,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:49,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:18:49,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:49,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:18:49,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:49,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:18:49,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:49,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:18:49,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:49,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:18:49,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:49,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:18:49,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:49,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:18:49,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:49,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:18:49,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:49,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:18:49,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:49,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:18:49,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:49,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:18:49,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:49,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:18:49,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:49,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:18:49,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:49,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:18:49,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:49,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:18:49,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:49,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:18:49,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:49,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:18:49,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:49,960 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-12 07:18:49,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:18:49,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280653800] [2024-11-12 07:18:49,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1280653800] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:18:49,961 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:18:49,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 07:18:49,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821023325] [2024-11-12 07:18:49,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:18:49,961 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 07:18:49,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:18:49,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 07:18:49,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-12 07:18:49,963 INFO L87 Difference]: Start difference. First operand 384 states and 514 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-12 07:18:50,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:18:50,050 INFO L93 Difference]: Finished difference Result 805 states and 1078 transitions. [2024-11-12 07:18:50,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 07:18:50,051 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 135 [2024-11-12 07:18:50,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:18:50,053 INFO L225 Difference]: With dead ends: 805 [2024-11-12 07:18:50,053 INFO L226 Difference]: Without dead ends: 424 [2024-11-12 07:18:50,055 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-12 07:18:50,056 INFO L435 NwaCegarLoop]: 179 mSDtfsCounter, 94 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 458 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 07:18:50,056 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 458 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 07:18:50,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2024-11-12 07:18:50,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 378. [2024-11-12 07:18:50,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 378 states, 339 states have (on average 1.2861356932153392) internal successors, (436), 339 states have internal predecessors, (436), 34 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-12 07:18:50,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 504 transitions. [2024-11-12 07:18:50,092 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 504 transitions. Word has length 135 [2024-11-12 07:18:50,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:18:50,093 INFO L471 AbstractCegarLoop]: Abstraction has 378 states and 504 transitions. [2024-11-12 07:18:50,093 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-12 07:18:50,093 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 504 transitions. [2024-11-12 07:18:50,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-12 07:18:50,095 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:18:50,095 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:18:50,095 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-12 07:18:50,095 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:18:50,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:18:50,096 INFO L85 PathProgramCache]: Analyzing trace with hash -568417833, now seen corresponding path program 1 times [2024-11-12 07:18:50,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:18:50,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259972609] [2024-11-12 07:18:50,096 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:18:50,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:18:50,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:51,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:18:51,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:51,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:18:51,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:51,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:18:51,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:51,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:18:51,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:51,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:18:51,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:51,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:18:51,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:51,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:18:51,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:51,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:18:51,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:51,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:18:51,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:51,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:18:51,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:51,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:18:51,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:51,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:18:51,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:51,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:18:51,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:51,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:18:51,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:51,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:18:51,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:51,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:18:51,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:51,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:18:51,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:51,175 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-12 07:18:51,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:18:51,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259972609] [2024-11-12 07:18:51,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [259972609] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:18:51,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:18:51,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-12 07:18:51,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656655288] [2024-11-12 07:18:51,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:18:51,178 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-12 07:18:51,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:18:51,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-12 07:18:51,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-12 07:18:51,179 INFO L87 Difference]: Start difference. First operand 378 states and 504 transitions. Second operand has 12 states, 12 states have (on average 4.75) internal successors, (57), 12 states have internal predecessors, (57), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-12 07:18:52,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:18:52,266 INFO L93 Difference]: Finished difference Result 799 states and 1058 transitions. [2024-11-12 07:18:52,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-12 07:18:52,267 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.75) internal successors, (57), 12 states have internal predecessors, (57), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 139 [2024-11-12 07:18:52,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:18:52,270 INFO L225 Difference]: With dead ends: 799 [2024-11-12 07:18:52,270 INFO L226 Difference]: Without dead ends: 594 [2024-11-12 07:18:52,273 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=100, Invalid=362, Unknown=0, NotChecked=0, Total=462 [2024-11-12 07:18:52,274 INFO L435 NwaCegarLoop]: 99 mSDtfsCounter, 421 mSDsluCounter, 542 mSDsCounter, 0 mSdLazyCounter, 682 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 421 SdHoareTripleChecker+Valid, 641 SdHoareTripleChecker+Invalid, 770 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 682 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-12 07:18:52,274 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [421 Valid, 641 Invalid, 770 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 682 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-12 07:18:52,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 594 states. [2024-11-12 07:18:52,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 594 to 502. [2024-11-12 07:18:52,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 502 states, 463 states have (on average 1.2915766738660908) internal successors, (598), 463 states have internal predecessors, (598), 34 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-12 07:18:52,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 502 states and 666 transitions. [2024-11-12 07:18:52,326 INFO L78 Accepts]: Start accepts. Automaton has 502 states and 666 transitions. Word has length 139 [2024-11-12 07:18:52,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:18:52,328 INFO L471 AbstractCegarLoop]: Abstraction has 502 states and 666 transitions. [2024-11-12 07:18:52,328 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.75) internal successors, (57), 12 states have internal predecessors, (57), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-12 07:18:52,328 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 666 transitions. [2024-11-12 07:18:52,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-12 07:18:52,330 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:18:52,330 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:18:52,330 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-12 07:18:52,331 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:18:52,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:18:52,331 INFO L85 PathProgramCache]: Analyzing trace with hash 111640537, now seen corresponding path program 1 times [2024-11-12 07:18:52,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:18:52,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117953334] [2024-11-12 07:18:52,332 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:18:52,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:18:52,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:53,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:18:53,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:53,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:18:53,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:53,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:18:53,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:53,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:18:53,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:53,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:18:53,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:53,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:18:53,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:53,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:18:53,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:53,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:18:53,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:53,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:18:53,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:53,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:18:53,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:53,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:18:53,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:53,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:18:53,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:53,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:18:53,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:53,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:18:53,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:53,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:18:53,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:53,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:18:53,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:53,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:18:53,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:53,660 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-12 07:18:53,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:18:53,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117953334] [2024-11-12 07:18:53,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117953334] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:18:53,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:18:53,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-12 07:18:53,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555382994] [2024-11-12 07:18:53,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:18:53,663 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-12 07:18:53,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:18:53,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-12 07:18:53,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2024-11-12 07:18:53,664 INFO L87 Difference]: Start difference. First operand 502 states and 666 transitions. Second operand has 14 states, 14 states have (on average 4.071428571428571) internal successors, (57), 14 states have internal predecessors, (57), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-12 07:18:54,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:18:54,682 INFO L93 Difference]: Finished difference Result 865 states and 1147 transitions. [2024-11-12 07:18:54,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-12 07:18:54,683 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.071428571428571) internal successors, (57), 14 states have internal predecessors, (57), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 139 [2024-11-12 07:18:54,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:18:54,686 INFO L225 Difference]: With dead ends: 865 [2024-11-12 07:18:54,686 INFO L226 Difference]: Without dead ends: 536 [2024-11-12 07:18:54,688 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=96, Invalid=410, Unknown=0, NotChecked=0, Total=506 [2024-11-12 07:18:54,689 INFO L435 NwaCegarLoop]: 111 mSDtfsCounter, 253 mSDsluCounter, 739 mSDsCounter, 0 mSdLazyCounter, 733 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 253 SdHoareTripleChecker+Valid, 850 SdHoareTripleChecker+Invalid, 752 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 733 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-12 07:18:54,690 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [253 Valid, 850 Invalid, 752 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 733 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-12 07:18:54,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2024-11-12 07:18:54,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 506. [2024-11-12 07:18:54,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 506 states, 467 states have (on average 1.2890792291220556) internal successors, (602), 467 states have internal predecessors, (602), 34 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-12 07:18:54,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 670 transitions. [2024-11-12 07:18:54,736 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 670 transitions. Word has length 139 [2024-11-12 07:18:54,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:18:54,737 INFO L471 AbstractCegarLoop]: Abstraction has 506 states and 670 transitions. [2024-11-12 07:18:54,737 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.071428571428571) internal successors, (57), 14 states have internal predecessors, (57), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-12 07:18:54,737 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 670 transitions. [2024-11-12 07:18:54,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-12 07:18:54,739 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:18:54,739 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:18:54,739 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-12 07:18:54,739 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:18:54,740 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:18:54,740 INFO L85 PathProgramCache]: Analyzing trace with hash 1376130766, now seen corresponding path program 1 times [2024-11-12 07:18:54,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:18:54,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689264318] [2024-11-12 07:18:54,740 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:18:54,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:18:54,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:54,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:18:54,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:54,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:18:54,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:54,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:18:54,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:54,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:18:54,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:54,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:18:54,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:54,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:18:54,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:54,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:18:54,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:54,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:18:54,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:54,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:18:54,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:54,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:18:54,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:54,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:18:54,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:54,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:18:54,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:54,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:18:54,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:54,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:18:54,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:54,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:18:54,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:54,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:18:54,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:54,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:18:54,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:54,994 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-12 07:18:54,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:18:54,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689264318] [2024-11-12 07:18:54,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1689264318] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:18:54,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:18:54,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 07:18:54,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416252569] [2024-11-12 07:18:54,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:18:54,995 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 07:18:54,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:18:54,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 07:18:54,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-12 07:18:54,996 INFO L87 Difference]: Start difference. First operand 506 states and 670 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-12 07:18:55,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:18:55,107 INFO L93 Difference]: Finished difference Result 1067 states and 1414 transitions. [2024-11-12 07:18:55,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 07:18:55,108 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 139 [2024-11-12 07:18:55,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:18:55,110 INFO L225 Difference]: With dead ends: 1067 [2024-11-12 07:18:55,111 INFO L226 Difference]: Without dead ends: 564 [2024-11-12 07:18:55,112 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-12 07:18:55,113 INFO L435 NwaCegarLoop]: 125 mSDtfsCounter, 46 mSDsluCounter, 336 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 07:18:55,113 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 461 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 07:18:55,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2024-11-12 07:18:55,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 523. [2024-11-12 07:18:55,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 523 states, 484 states have (on average 1.2913223140495869) internal successors, (625), 484 states have internal predecessors, (625), 34 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-12 07:18:55,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 693 transitions. [2024-11-12 07:18:55,158 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 693 transitions. Word has length 139 [2024-11-12 07:18:55,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:18:55,159 INFO L471 AbstractCegarLoop]: Abstraction has 523 states and 693 transitions. [2024-11-12 07:18:55,159 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-12 07:18:55,159 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 693 transitions. [2024-11-12 07:18:55,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-12 07:18:55,161 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:18:55,161 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:18:55,161 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-12 07:18:55,161 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:18:55,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:18:55,162 INFO L85 PathProgramCache]: Analyzing trace with hash 2056189136, now seen corresponding path program 1 times [2024-11-12 07:18:55,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:18:55,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511346651] [2024-11-12 07:18:55,162 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:18:55,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:18:55,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:55,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:18:55,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:55,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:18:55,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:55,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:18:55,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:55,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:18:55,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:55,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:18:55,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:55,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:18:55,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:55,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:18:55,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:55,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:18:55,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:55,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:18:55,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:55,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:18:55,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:55,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:18:55,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:55,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:18:55,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:55,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:18:55,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:55,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:18:55,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:55,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:18:55,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:55,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:18:55,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:55,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:18:55,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:55,337 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-12 07:18:55,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:18:55,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511346651] [2024-11-12 07:18:55,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511346651] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:18:55,337 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:18:55,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-12 07:18:55,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289923561] [2024-11-12 07:18:55,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:18:55,338 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 07:18:55,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:18:55,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 07:18:55,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-12 07:18:55,339 INFO L87 Difference]: Start difference. First operand 523 states and 693 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-12 07:18:55,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:18:55,403 INFO L93 Difference]: Finished difference Result 1051 states and 1393 transitions. [2024-11-12 07:18:55,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 07:18:55,404 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 139 [2024-11-12 07:18:55,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:18:55,407 INFO L225 Difference]: With dead ends: 1051 [2024-11-12 07:18:55,408 INFO L226 Difference]: Without dead ends: 531 [2024-11-12 07:18:55,409 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 37 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 07:18:55,409 INFO L435 NwaCegarLoop]: 126 mSDtfsCounter, 0 mSDsluCounter, 480 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 606 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 07:18:55,410 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 606 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 07:18:55,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states. [2024-11-12 07:18:55,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 528. [2024-11-12 07:18:55,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 528 states, 489 states have (on average 1.2883435582822085) internal successors, (630), 489 states have internal predecessors, (630), 34 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-12 07:18:55,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 698 transitions. [2024-11-12 07:18:55,452 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 698 transitions. Word has length 139 [2024-11-12 07:18:55,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:18:55,453 INFO L471 AbstractCegarLoop]: Abstraction has 528 states and 698 transitions. [2024-11-12 07:18:55,453 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-12 07:18:55,453 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 698 transitions. [2024-11-12 07:18:55,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-12 07:18:55,455 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:18:55,455 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:18:55,456 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-12 07:18:55,456 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:18:55,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:18:55,456 INFO L85 PathProgramCache]: Analyzing trace with hash 1803321429, now seen corresponding path program 1 times [2024-11-12 07:18:55,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:18:55,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753751725] [2024-11-12 07:18:55,457 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:18:55,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:18:55,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:56,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:18:56,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:56,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:18:56,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:56,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:18:56,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:56,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:18:56,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:56,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:18:56,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:56,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:18:56,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:56,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:18:56,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:56,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:18:56,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:56,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:18:56,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:56,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:18:56,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:56,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:18:56,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:56,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:18:56,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:56,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:18:56,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:56,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:18:56,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:56,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:18:56,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:56,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:18:56,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:56,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:18:56,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:56,299 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-12 07:18:56,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:18:56,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753751725] [2024-11-12 07:18:56,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753751725] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:18:56,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:18:56,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-12 07:18:56,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355362780] [2024-11-12 07:18:56,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:18:56,301 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-12 07:18:56,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:18:56,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-12 07:18:56,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-12 07:18:56,302 INFO L87 Difference]: Start difference. First operand 528 states and 698 transitions. Second operand has 11 states, 11 states have (on average 5.181818181818182) internal successors, (57), 11 states have internal predecessors, (57), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-12 07:18:57,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:18:57,175 INFO L93 Difference]: Finished difference Result 1063 states and 1399 transitions. [2024-11-12 07:18:57,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-12 07:18:57,176 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.181818181818182) internal successors, (57), 11 states have internal predecessors, (57), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 139 [2024-11-12 07:18:57,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:18:57,179 INFO L225 Difference]: With dead ends: 1063 [2024-11-12 07:18:57,180 INFO L226 Difference]: Without dead ends: 718 [2024-11-12 07:18:57,181 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 39 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=62, Invalid=244, Unknown=0, NotChecked=0, Total=306 [2024-11-12 07:18:57,181 INFO L435 NwaCegarLoop]: 142 mSDtfsCounter, 246 mSDsluCounter, 708 mSDsCounter, 0 mSdLazyCounter, 760 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 850 SdHoareTripleChecker+Invalid, 793 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 760 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-12 07:18:57,182 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 850 Invalid, 793 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 760 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-12 07:18:57,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 718 states. [2024-11-12 07:18:57,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 718 to 582. [2024-11-12 07:18:57,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 582 states, 543 states have (on average 1.292817679558011) internal successors, (702), 543 states have internal predecessors, (702), 34 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-12 07:18:57,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 582 states and 770 transitions. [2024-11-12 07:18:57,236 INFO L78 Accepts]: Start accepts. Automaton has 582 states and 770 transitions. Word has length 139 [2024-11-12 07:18:57,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:18:57,236 INFO L471 AbstractCegarLoop]: Abstraction has 582 states and 770 transitions. [2024-11-12 07:18:57,237 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.181818181818182) internal successors, (57), 11 states have internal predecessors, (57), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-12 07:18:57,237 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 770 transitions. [2024-11-12 07:18:57,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-12 07:18:57,239 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:18:57,239 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:18:57,239 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-12 07:18:57,240 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:18:57,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:18:57,240 INFO L85 PathProgramCache]: Analyzing trace with hash -1811587497, now seen corresponding path program 1 times [2024-11-12 07:18:57,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:18:57,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656915985] [2024-11-12 07:18:57,241 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:18:57,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:18:57,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:57,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:18:57,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:57,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:18:57,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:57,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:18:57,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:57,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:18:57,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:57,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:18:57,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:57,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:18:57,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:57,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:18:57,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:57,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:18:57,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:57,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:18:57,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:57,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:18:57,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:57,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:18:57,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:57,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:18:57,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:57,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:18:57,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:57,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:18:57,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:57,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:18:57,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:57,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:18:57,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:57,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:18:57,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:57,735 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-12 07:18:57,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:18:57,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656915985] [2024-11-12 07:18:57,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [656915985] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:18:57,736 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:18:57,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-12 07:18:57,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678896] [2024-11-12 07:18:57,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:18:57,737 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-12 07:18:57,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:18:57,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-12 07:18:57,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-12 07:18:57,737 INFO L87 Difference]: Start difference. First operand 582 states and 770 transitions. Second operand has 9 states, 9 states have (on average 6.333333333333333) internal successors, (57), 9 states have internal predecessors, (57), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-12 07:18:58,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:18:58,147 INFO L93 Difference]: Finished difference Result 1126 states and 1486 transitions. [2024-11-12 07:18:58,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-12 07:18:58,148 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.333333333333333) internal successors, (57), 9 states have internal predecessors, (57), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 139 [2024-11-12 07:18:58,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:18:58,151 INFO L225 Difference]: With dead ends: 1126 [2024-11-12 07:18:58,151 INFO L226 Difference]: Without dead ends: 726 [2024-11-12 07:18:58,152 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 36 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-12 07:18:58,153 INFO L435 NwaCegarLoop]: 144 mSDtfsCounter, 150 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 375 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 521 SdHoareTripleChecker+Invalid, 378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 07:18:58,154 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 521 Invalid, 378 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 375 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 07:18:58,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 726 states. [2024-11-12 07:18:58,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 726 to 690. [2024-11-12 07:18:58,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 690 states, 651 states have (on average 1.2903225806451613) internal successors, (840), 651 states have internal predecessors, (840), 34 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-12 07:18:58,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 690 states and 908 transitions. [2024-11-12 07:18:58,228 INFO L78 Accepts]: Start accepts. Automaton has 690 states and 908 transitions. Word has length 139 [2024-11-12 07:18:58,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:18:58,228 INFO L471 AbstractCegarLoop]: Abstraction has 690 states and 908 transitions. [2024-11-12 07:18:58,228 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.333333333333333) internal successors, (57), 9 states have internal predecessors, (57), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-12 07:18:58,229 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 908 transitions. [2024-11-12 07:18:58,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-12 07:18:58,231 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:18:58,231 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:18:58,231 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-12 07:18:58,231 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:18:58,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:18:58,232 INFO L85 PathProgramCache]: Analyzing trace with hash 2022176147, now seen corresponding path program 1 times [2024-11-12 07:18:58,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:18:58,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295629642] [2024-11-12 07:18:58,233 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:18:58,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:18:58,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:59,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:18:59,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:59,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:18:59,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:59,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:18:59,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:59,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:18:59,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:59,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:18:59,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:59,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:18:59,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:59,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:18:59,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:59,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:18:59,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:59,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:18:59,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:59,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:18:59,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:59,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:18:59,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:59,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:18:59,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:59,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:18:59,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:59,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:18:59,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:59,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:18:59,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:59,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:18:59,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:59,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:18:59,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:18:59,112 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-12 07:18:59,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:18:59,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295629642] [2024-11-12 07:18:59,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295629642] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:18:59,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:18:59,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-12 07:18:59,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547457941] [2024-11-12 07:18:59,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:18:59,114 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-12 07:18:59,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:18:59,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-12 07:18:59,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2024-11-12 07:18:59,115 INFO L87 Difference]: Start difference. First operand 690 states and 908 transitions. Second operand has 15 states, 15 states have (on average 3.8) internal successors, (57), 15 states have internal predecessors, (57), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-12 07:18:59,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:18:59,950 INFO L93 Difference]: Finished difference Result 1236 states and 1624 transitions. [2024-11-12 07:18:59,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-12 07:18:59,951 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.8) internal successors, (57), 15 states have internal predecessors, (57), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 139 [2024-11-12 07:18:59,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:18:59,954 INFO L225 Difference]: With dead ends: 1236 [2024-11-12 07:18:59,954 INFO L226 Difference]: Without dead ends: 729 [2024-11-12 07:18:59,955 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=112, Invalid=440, Unknown=0, NotChecked=0, Total=552 [2024-11-12 07:18:59,956 INFO L435 NwaCegarLoop]: 143 mSDtfsCounter, 217 mSDsluCounter, 1008 mSDsCounter, 0 mSdLazyCounter, 778 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 1151 SdHoareTripleChecker+Invalid, 797 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 778 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-12 07:18:59,956 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 1151 Invalid, 797 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 778 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-12 07:18:59,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 729 states. [2024-11-12 07:18:59,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 729 to 690. [2024-11-12 07:19:00,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 690 states, 651 states have (on average 1.2903225806451613) internal successors, (840), 651 states have internal predecessors, (840), 34 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-12 07:19:00,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 690 states and 908 transitions. [2024-11-12 07:19:00,004 INFO L78 Accepts]: Start accepts. Automaton has 690 states and 908 transitions. Word has length 139 [2024-11-12 07:19:00,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:19:00,005 INFO L471 AbstractCegarLoop]: Abstraction has 690 states and 908 transitions. [2024-11-12 07:19:00,005 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.8) internal successors, (57), 15 states have internal predecessors, (57), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-12 07:19:00,005 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 908 transitions. [2024-11-12 07:19:00,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-12 07:19:00,007 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:19:00,007 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:19:00,007 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-12 07:19:00,007 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:19:00,008 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:19:00,008 INFO L85 PathProgramCache]: Analyzing trace with hash -597753543, now seen corresponding path program 1 times [2024-11-12 07:19:00,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:19:00,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221445126] [2024-11-12 07:19:00,008 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:19:00,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:19:00,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:01,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:19:01,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:01,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:19:01,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:01,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:19:01,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:01,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:19:01,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:01,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:19:01,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:01,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:19:01,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:01,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:19:01,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:01,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:19:01,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:01,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:19:01,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:01,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:19:01,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:01,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:19:01,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:01,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:19:01,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:01,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:19:01,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:01,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:19:01,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:01,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:19:01,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:01,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:19:01,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:01,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:19:01,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:01,652 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-12 07:19:01,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:19:01,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221445126] [2024-11-12 07:19:01,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221445126] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:19:01,652 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:19:01,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-12 07:19:01,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666179680] [2024-11-12 07:19:01,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:19:01,653 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-12 07:19:01,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:19:01,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-12 07:19:01,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2024-11-12 07:19:01,654 INFO L87 Difference]: Start difference. First operand 690 states and 908 transitions. Second operand has 12 states, 12 states have (on average 4.75) internal successors, (57), 12 states have internal predecessors, (57), 3 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-12 07:19:02,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:19:02,703 INFO L93 Difference]: Finished difference Result 1300 states and 1705 transitions. [2024-11-12 07:19:02,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 07:19:02,703 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.75) internal successors, (57), 12 states have internal predecessors, (57), 3 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 139 [2024-11-12 07:19:02,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:19:02,707 INFO L225 Difference]: With dead ends: 1300 [2024-11-12 07:19:02,707 INFO L226 Difference]: Without dead ends: 793 [2024-11-12 07:19:02,708 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=76, Invalid=230, Unknown=0, NotChecked=0, Total=306 [2024-11-12 07:19:02,709 INFO L435 NwaCegarLoop]: 114 mSDtfsCounter, 567 mSDsluCounter, 371 mSDsCounter, 0 mSdLazyCounter, 520 mSolverCounterSat, 161 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 567 SdHoareTripleChecker+Valid, 485 SdHoareTripleChecker+Invalid, 681 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 161 IncrementalHoareTripleChecker+Valid, 520 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-12 07:19:02,709 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [567 Valid, 485 Invalid, 681 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [161 Valid, 520 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-12 07:19:02,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 793 states. [2024-11-12 07:19:02,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 793 to 694. [2024-11-12 07:19:02,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 694 states, 655 states have (on average 1.2916030534351146) internal successors, (846), 655 states have internal predecessors, (846), 34 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-12 07:19:02,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 694 states and 914 transitions. [2024-11-12 07:19:02,765 INFO L78 Accepts]: Start accepts. Automaton has 694 states and 914 transitions. Word has length 139 [2024-11-12 07:19:02,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:19:02,765 INFO L471 AbstractCegarLoop]: Abstraction has 694 states and 914 transitions. [2024-11-12 07:19:02,765 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.75) internal successors, (57), 12 states have internal predecessors, (57), 3 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-12 07:19:02,765 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 914 transitions. [2024-11-12 07:19:02,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-12 07:19:02,767 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:19:02,767 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:19:02,768 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-12 07:19:02,768 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:19:02,768 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:19:02,768 INFO L85 PathProgramCache]: Analyzing trace with hash 1346795056, now seen corresponding path program 1 times [2024-11-12 07:19:02,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:19:02,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618866764] [2024-11-12 07:19:02,769 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:19:02,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:19:02,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:03,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:19:03,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:03,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:19:03,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:03,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:19:03,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:03,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:19:03,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:03,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:19:03,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:03,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:19:03,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:03,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:19:03,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:03,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:19:03,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:03,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:19:03,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:03,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:19:03,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:03,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:19:03,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:03,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:19:03,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:03,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:19:03,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:03,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:19:03,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:03,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:19:03,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:03,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:19:03,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:03,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:19:03,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:03,362 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-12 07:19:03,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:19:03,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618866764] [2024-11-12 07:19:03,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618866764] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:19:03,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:19:03,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-12 07:19:03,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326984924] [2024-11-12 07:19:03,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:19:03,364 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-12 07:19:03,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:19:03,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-12 07:19:03,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-12 07:19:03,365 INFO L87 Difference]: Start difference. First operand 694 states and 914 transitions. Second operand has 11 states, 11 states have (on average 5.181818181818182) internal successors, (57), 11 states have internal predecessors, (57), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-12 07:19:03,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:19:03,888 INFO L93 Difference]: Finished difference Result 1288 states and 1692 transitions. [2024-11-12 07:19:03,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-12 07:19:03,889 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.181818181818182) internal successors, (57), 11 states have internal predecessors, (57), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 139 [2024-11-12 07:19:03,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:19:03,892 INFO L225 Difference]: With dead ends: 1288 [2024-11-12 07:19:03,892 INFO L226 Difference]: Without dead ends: 777 [2024-11-12 07:19:03,894 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=91, Invalid=289, Unknown=0, NotChecked=0, Total=380 [2024-11-12 07:19:03,894 INFO L435 NwaCegarLoop]: 137 mSDtfsCounter, 230 mSDsluCounter, 627 mSDsCounter, 0 mSdLazyCounter, 446 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 764 SdHoareTripleChecker+Invalid, 466 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 446 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 07:19:03,894 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [230 Valid, 764 Invalid, 466 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 446 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 07:19:03,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 777 states. [2024-11-12 07:19:03,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 777 to 736. [2024-11-12 07:19:03,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 736 states, 697 states have (on average 1.291248206599713) internal successors, (900), 697 states have internal predecessors, (900), 34 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-12 07:19:03,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 736 states and 968 transitions. [2024-11-12 07:19:03,955 INFO L78 Accepts]: Start accepts. Automaton has 736 states and 968 transitions. Word has length 139 [2024-11-12 07:19:03,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:19:03,955 INFO L471 AbstractCegarLoop]: Abstraction has 736 states and 968 transitions. [2024-11-12 07:19:03,956 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.181818181818182) internal successors, (57), 11 states have internal predecessors, (57), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-12 07:19:03,956 INFO L276 IsEmpty]: Start isEmpty. Operand 736 states and 968 transitions. [2024-11-12 07:19:03,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-12 07:19:03,957 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:19:03,957 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:19:03,958 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-12 07:19:03,958 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:19:03,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:19:03,958 INFO L85 PathProgramCache]: Analyzing trace with hash 850117294, now seen corresponding path program 1 times [2024-11-12 07:19:03,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:19:03,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183630005] [2024-11-12 07:19:03,959 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:19:03,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:19:04,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:05,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:19:05,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:05,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:19:05,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:05,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:19:05,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:05,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:19:05,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:05,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:19:05,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:05,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:19:05,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:05,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:19:05,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:05,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:19:05,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:05,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:19:05,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:05,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:19:05,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:05,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:19:05,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:05,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:19:05,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:05,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:19:05,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:05,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:19:05,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:05,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:19:05,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:05,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:19:05,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:05,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:19:05,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:05,218 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-12 07:19:05,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:19:05,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183630005] [2024-11-12 07:19:05,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [183630005] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:19:05,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:19:05,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-12 07:19:05,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536329761] [2024-11-12 07:19:05,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:19:05,220 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-12 07:19:05,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:19:05,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-12 07:19:05,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-12 07:19:05,221 INFO L87 Difference]: Start difference. First operand 736 states and 968 transitions. Second operand has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 9 states have internal predecessors, (58), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-12 07:19:05,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:19:05,823 INFO L93 Difference]: Finished difference Result 1317 states and 1730 transitions. [2024-11-12 07:19:05,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 07:19:05,826 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 9 states have internal predecessors, (58), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 140 [2024-11-12 07:19:05,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:19:05,834 INFO L225 Difference]: With dead ends: 1317 [2024-11-12 07:19:05,834 INFO L226 Difference]: Without dead ends: 727 [2024-11-12 07:19:05,838 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 41 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2024-11-12 07:19:05,839 INFO L435 NwaCegarLoop]: 105 mSDtfsCounter, 333 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 380 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 333 SdHoareTripleChecker+Valid, 353 SdHoareTripleChecker+Invalid, 422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 380 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 07:19:05,839 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [333 Valid, 353 Invalid, 422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 380 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 07:19:05,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 727 states. [2024-11-12 07:19:05,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 727 to 689. [2024-11-12 07:19:05,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 689 states, 650 states have (on average 1.2846153846153847) internal successors, (835), 650 states have internal predecessors, (835), 34 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-12 07:19:05,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 689 states and 903 transitions. [2024-11-12 07:19:05,892 INFO L78 Accepts]: Start accepts. Automaton has 689 states and 903 transitions. Word has length 140 [2024-11-12 07:19:05,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:19:05,893 INFO L471 AbstractCegarLoop]: Abstraction has 689 states and 903 transitions. [2024-11-12 07:19:05,893 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 9 states have internal predecessors, (58), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-12 07:19:05,893 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 903 transitions. [2024-11-12 07:19:05,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-12 07:19:05,894 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:19:05,894 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:19:05,895 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-12 07:19:05,895 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:19:05,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:19:05,895 INFO L85 PathProgramCache]: Analyzing trace with hash 1684666373, now seen corresponding path program 1 times [2024-11-12 07:19:05,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:19:05,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392073721] [2024-11-12 07:19:05,896 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:19:05,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:19:05,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:06,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:19:06,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:06,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:19:06,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:06,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:19:06,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:06,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:19:06,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:06,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:19:06,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:06,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:19:06,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:06,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:19:06,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:06,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:19:06,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:06,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:19:06,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:06,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:19:06,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:06,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:19:06,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:06,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:19:06,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:06,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:19:06,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:06,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:19:06,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:06,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:19:06,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:06,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:19:06,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:06,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:19:06,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:06,502 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-12 07:19:06,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:19:06,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392073721] [2024-11-12 07:19:06,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392073721] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:19:06,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:19:06,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-12 07:19:06,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947024030] [2024-11-12 07:19:06,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:19:06,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-12 07:19:06,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:19:06,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-12 07:19:06,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-12 07:19:06,504 INFO L87 Difference]: Start difference. First operand 689 states and 903 transitions. Second operand has 10 states, 9 states have (on average 6.555555555555555) internal successors, (59), 10 states have internal predecessors, (59), 4 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 4 states have call successors, (17) [2024-11-12 07:19:06,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:19:06,931 INFO L93 Difference]: Finished difference Result 926 states and 1178 transitions. [2024-11-12 07:19:06,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 07:19:06,931 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.555555555555555) internal successors, (59), 10 states have internal predecessors, (59), 4 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 4 states have call successors, (17) Word has length 141 [2024-11-12 07:19:06,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:19:06,935 INFO L225 Difference]: With dead ends: 926 [2024-11-12 07:19:06,935 INFO L226 Difference]: Without dead ends: 924 [2024-11-12 07:19:06,936 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2024-11-12 07:19:06,936 INFO L435 NwaCegarLoop]: 155 mSDtfsCounter, 285 mSDsluCounter, 778 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 933 SdHoareTripleChecker+Invalid, 279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 07:19:06,936 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [285 Valid, 933 Invalid, 279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 07:19:06,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 924 states. [2024-11-12 07:19:07,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 924 to 920. [2024-11-12 07:19:07,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 920 states, 853 states have (on average 1.2379835873388043) internal successors, (1056), 855 states have internal predecessors, (1056), 58 states have call successors, (58), 8 states have call predecessors, (58), 8 states have return successors, (58), 56 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-12 07:19:07,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 920 states to 920 states and 1172 transitions. [2024-11-12 07:19:07,022 INFO L78 Accepts]: Start accepts. Automaton has 920 states and 1172 transitions. Word has length 141 [2024-11-12 07:19:07,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:19:07,023 INFO L471 AbstractCegarLoop]: Abstraction has 920 states and 1172 transitions. [2024-11-12 07:19:07,023 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.555555555555555) internal successors, (59), 10 states have internal predecessors, (59), 4 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 4 states have call successors, (17) [2024-11-12 07:19:07,023 INFO L276 IsEmpty]: Start isEmpty. Operand 920 states and 1172 transitions. [2024-11-12 07:19:07,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-12 07:19:07,024 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:19:07,024 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:19:07,025 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-12 07:19:07,025 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:19:07,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:19:07,025 INFO L85 PathProgramCache]: Analyzing trace with hash -1037781860, now seen corresponding path program 1 times [2024-11-12 07:19:07,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:19:07,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283902033] [2024-11-12 07:19:07,026 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:19:07,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:19:07,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:07,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:19:07,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:07,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:19:07,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:07,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:19:07,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:07,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:19:07,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:07,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:19:07,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:07,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:19:07,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:07,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:19:07,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:07,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:19:07,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:07,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:19:07,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:07,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:19:07,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:07,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:19:07,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:07,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:19:07,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:07,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:19:07,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:07,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:19:07,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:07,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:19:07,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:07,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:19:07,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:07,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:19:07,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:07,243 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-12 07:19:07,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:19:07,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283902033] [2024-11-12 07:19:07,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283902033] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:19:07,244 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:19:07,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 07:19:07,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378671468] [2024-11-12 07:19:07,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:19:07,245 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 07:19:07,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:19:07,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 07:19:07,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-12 07:19:07,246 INFO L87 Difference]: Start difference. First operand 920 states and 1172 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-12 07:19:07,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:19:07,442 INFO L93 Difference]: Finished difference Result 1963 states and 2493 transitions. [2024-11-12 07:19:07,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 07:19:07,444 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 141 [2024-11-12 07:19:07,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:19:07,449 INFO L225 Difference]: With dead ends: 1963 [2024-11-12 07:19:07,450 INFO L226 Difference]: Without dead ends: 1046 [2024-11-12 07:19:07,454 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-12 07:19:07,455 INFO L435 NwaCegarLoop]: 168 mSDtfsCounter, 39 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 544 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 07:19:07,456 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 544 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 07:19:07,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1046 states. [2024-11-12 07:19:07,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1046 to 1024. [2024-11-12 07:19:07,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1024 states, 957 states have (on average 1.2319749216300941) internal successors, (1179), 959 states have internal predecessors, (1179), 58 states have call successors, (58), 8 states have call predecessors, (58), 8 states have return successors, (58), 56 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-12 07:19:07,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1024 states to 1024 states and 1295 transitions. [2024-11-12 07:19:07,598 INFO L78 Accepts]: Start accepts. Automaton has 1024 states and 1295 transitions. Word has length 141 [2024-11-12 07:19:07,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:19:07,599 INFO L471 AbstractCegarLoop]: Abstraction has 1024 states and 1295 transitions. [2024-11-12 07:19:07,599 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-12 07:19:07,599 INFO L276 IsEmpty]: Start isEmpty. Operand 1024 states and 1295 transitions. [2024-11-12 07:19:07,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-12 07:19:07,602 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:19:07,602 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:19:07,602 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-12 07:19:07,602 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:19:07,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:19:07,603 INFO L85 PathProgramCache]: Analyzing trace with hash 339047129, now seen corresponding path program 1 times [2024-11-12 07:19:07,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:19:07,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51752897] [2024-11-12 07:19:07,603 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:19:07,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:19:07,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:08,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:19:08,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:08,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:19:08,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:08,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:19:08,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:08,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:19:08,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:08,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:19:08,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:08,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:19:08,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:08,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:19:08,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:08,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:19:08,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:08,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:19:08,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:08,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:19:08,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:08,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:19:08,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:08,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:19:08,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:08,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:19:08,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:08,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:19:08,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:08,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:19:08,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:08,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:19:08,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:08,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:19:08,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:08,681 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-12 07:19:08,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:19:08,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51752897] [2024-11-12 07:19:08,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51752897] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:19:08,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:19:08,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-12 07:19:08,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892925487] [2024-11-12 07:19:08,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:19:08,682 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-12 07:19:08,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:19:08,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-12 07:19:08,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-12 07:19:08,683 INFO L87 Difference]: Start difference. First operand 1024 states and 1295 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-12 07:19:09,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:19:09,344 INFO L93 Difference]: Finished difference Result 2083 states and 2628 transitions. [2024-11-12 07:19:09,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-12 07:19:09,345 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 142 [2024-11-12 07:19:09,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:19:09,350 INFO L225 Difference]: With dead ends: 2083 [2024-11-12 07:19:09,350 INFO L226 Difference]: Without dead ends: 1062 [2024-11-12 07:19:09,352 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2024-11-12 07:19:09,353 INFO L435 NwaCegarLoop]: 105 mSDtfsCounter, 177 mSDsluCounter, 335 mSDsCounter, 0 mSdLazyCounter, 526 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 440 SdHoareTripleChecker+Invalid, 545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 526 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-12 07:19:09,353 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 440 Invalid, 545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 526 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-12 07:19:09,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1062 states. [2024-11-12 07:19:09,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1062 to 992. [2024-11-12 07:19:09,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 992 states, 925 states have (on average 1.2172972972972973) internal successors, (1126), 927 states have internal predecessors, (1126), 58 states have call successors, (58), 8 states have call predecessors, (58), 8 states have return successors, (58), 56 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-12 07:19:09,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 992 states to 992 states and 1242 transitions. [2024-11-12 07:19:09,453 INFO L78 Accepts]: Start accepts. Automaton has 992 states and 1242 transitions. Word has length 142 [2024-11-12 07:19:09,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:19:09,453 INFO L471 AbstractCegarLoop]: Abstraction has 992 states and 1242 transitions. [2024-11-12 07:19:09,454 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-12 07:19:09,454 INFO L276 IsEmpty]: Start isEmpty. Operand 992 states and 1242 transitions. [2024-11-12 07:19:09,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-12 07:19:09,455 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:19:09,456 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:19:09,456 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-12 07:19:09,456 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:19:09,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:19:09,457 INFO L85 PathProgramCache]: Analyzing trace with hash -840470491, now seen corresponding path program 1 times [2024-11-12 07:19:09,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:19:09,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698317012] [2024-11-12 07:19:09,457 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:19:09,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:19:09,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:09,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:19:09,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:09,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:19:09,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:09,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:19:09,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:09,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:19:09,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:09,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:19:09,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:09,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:19:09,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:09,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:19:09,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:09,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:19:09,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:09,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:19:09,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:09,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:19:09,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:09,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:19:09,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:09,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:19:09,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:09,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:19:09,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:09,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:19:09,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:09,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:19:09,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:09,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:19:09,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:09,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:19:09,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:09,668 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-12 07:19:09,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:19:09,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698317012] [2024-11-12 07:19:09,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698317012] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:19:09,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:19:09,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 07:19:09,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57650774] [2024-11-12 07:19:09,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:19:09,669 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 07:19:09,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:19:09,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 07:19:09,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-12 07:19:09,670 INFO L87 Difference]: Start difference. First operand 992 states and 1242 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, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-12 07:19:09,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:19:09,798 INFO L93 Difference]: Finished difference Result 1761 states and 2221 transitions. [2024-11-12 07:19:09,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 07:19:09,799 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, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 142 [2024-11-12 07:19:09,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:19:09,803 INFO L225 Difference]: With dead ends: 1761 [2024-11-12 07:19:09,803 INFO L226 Difference]: Without dead ends: 699 [2024-11-12 07:19:09,805 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-12 07:19:09,806 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 105 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 356 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 07:19:09,807 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 356 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 07:19:09,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2024-11-12 07:19:09,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 695. [2024-11-12 07:19:09,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 695 states, 628 states have (on average 1.1878980891719746) internal successors, (746), 630 states have internal predecessors, (746), 58 states have call successors, (58), 8 states have call predecessors, (58), 8 states have return successors, (58), 56 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-12 07:19:09,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 695 states and 862 transitions. [2024-11-12 07:19:09,920 INFO L78 Accepts]: Start accepts. Automaton has 695 states and 862 transitions. Word has length 142 [2024-11-12 07:19:09,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:19:09,921 INFO L471 AbstractCegarLoop]: Abstraction has 695 states and 862 transitions. [2024-11-12 07:19:09,921 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, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-12 07:19:09,921 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 862 transitions. [2024-11-12 07:19:09,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-12 07:19:09,922 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:19:09,922 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:19:09,923 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-12 07:19:09,923 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:19:09,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:19:09,923 INFO L85 PathProgramCache]: Analyzing trace with hash -996369262, now seen corresponding path program 1 times [2024-11-12 07:19:09,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:19:09,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733528141] [2024-11-12 07:19:09,924 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:19:09,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:19:09,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:10,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:19:10,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:10,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:19:10,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:10,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:19:10,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:10,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:19:10,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:10,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:19:10,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:10,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:19:10,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:10,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:19:10,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:10,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:19:10,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:10,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:19:10,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:10,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:19:10,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:10,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:19:10,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:10,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:19:10,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:10,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:19:10,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:10,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:19:10,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:10,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:19:10,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:10,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:19:10,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:10,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:19:10,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:10,115 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-12 07:19:10,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:19:10,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733528141] [2024-11-12 07:19:10,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733528141] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:19:10,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:19:10,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 07:19:10,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664341493] [2024-11-12 07:19:10,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:19:10,116 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 07:19:10,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:19:10,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 07:19:10,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-12 07:19:10,117 INFO L87 Difference]: Start difference. First operand 695 states and 862 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-12 07:19:10,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:19:10,235 INFO L93 Difference]: Finished difference Result 1299 states and 1608 transitions. [2024-11-12 07:19:10,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 07:19:10,236 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 143 [2024-11-12 07:19:10,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:19:10,239 INFO L225 Difference]: With dead ends: 1299 [2024-11-12 07:19:10,239 INFO L226 Difference]: Without dead ends: 607 [2024-11-12 07:19:10,241 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-12 07:19:10,242 INFO L435 NwaCegarLoop]: 164 mSDtfsCounter, 118 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 426 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 07:19:10,242 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 426 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 07:19:10,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 607 states. [2024-11-12 07:19:10,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 607 to 601. [2024-11-12 07:19:10,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 601 states, 534 states have (on average 1.1704119850187267) internal successors, (625), 536 states have internal predecessors, (625), 58 states have call successors, (58), 8 states have call predecessors, (58), 8 states have return successors, (58), 56 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-12 07:19:10,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 741 transitions. [2024-11-12 07:19:10,325 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 741 transitions. Word has length 143 [2024-11-12 07:19:10,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:19:10,325 INFO L471 AbstractCegarLoop]: Abstraction has 601 states and 741 transitions. [2024-11-12 07:19:10,326 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-12 07:19:10,326 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 741 transitions. [2024-11-12 07:19:10,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-12 07:19:10,327 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:19:10,327 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:19:10,327 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-12 07:19:10,328 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:19:10,328 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:19:10,328 INFO L85 PathProgramCache]: Analyzing trace with hash 1560829808, now seen corresponding path program 1 times [2024-11-12 07:19:10,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:19:10,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003523085] [2024-11-12 07:19:10,328 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:19:10,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:19:10,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:10,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:19:10,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:10,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:19:10,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:10,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:19:10,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:10,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:19:10,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:10,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:19:10,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:10,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:19:10,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:10,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:19:10,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:10,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:19:10,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:10,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:19:10,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:10,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:19:10,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:10,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:19:10,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:10,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:19:10,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:10,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:19:10,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:10,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:19:10,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:10,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:19:10,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:10,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:19:10,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:10,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:19:10,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:10,552 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-12 07:19:10,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:19:10,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003523085] [2024-11-12 07:19:10,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003523085] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:19:10,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:19:10,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 07:19:10,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074169123] [2024-11-12 07:19:10,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:19:10,554 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 07:19:10,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:19:10,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 07:19:10,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-12 07:19:10,554 INFO L87 Difference]: Start difference. First operand 601 states and 741 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-12 07:19:10,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:19:10,671 INFO L93 Difference]: Finished difference Result 1156 states and 1419 transitions. [2024-11-12 07:19:10,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 07:19:10,672 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 144 [2024-11-12 07:19:10,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:19:10,675 INFO L225 Difference]: With dead ends: 1156 [2024-11-12 07:19:10,675 INFO L226 Difference]: Without dead ends: 587 [2024-11-12 07:19:10,676 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-12 07:19:10,676 INFO L435 NwaCegarLoop]: 124 mSDtfsCounter, 29 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 453 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 07:19:10,677 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 453 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 07:19:10,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 587 states. [2024-11-12 07:19:10,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 587 to 587. [2024-11-12 07:19:10,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 587 states, 520 states have (on average 1.1596153846153847) internal successors, (603), 522 states have internal predecessors, (603), 58 states have call successors, (58), 8 states have call predecessors, (58), 8 states have return successors, (58), 56 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-12 07:19:10,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 719 transitions. [2024-11-12 07:19:10,779 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 719 transitions. Word has length 144 [2024-11-12 07:19:10,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:19:10,780 INFO L471 AbstractCegarLoop]: Abstraction has 587 states and 719 transitions. [2024-11-12 07:19:10,780 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-12 07:19:10,780 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 719 transitions. [2024-11-12 07:19:10,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-12 07:19:10,782 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:19:10,782 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:19:10,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-12 07:19:10,782 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:19:10,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:19:10,783 INFO L85 PathProgramCache]: Analyzing trace with hash -1027029127, now seen corresponding path program 1 times [2024-11-12 07:19:10,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:19:10,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719216023] [2024-11-12 07:19:10,783 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:19:10,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:19:10,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:11,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:19:11,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:11,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:19:11,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:11,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:19:11,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:11,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:19:11,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:11,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:19:11,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:11,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:19:11,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:11,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:19:11,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:11,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:19:11,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:11,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:19:11,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:11,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:19:11,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:11,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:19:11,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:11,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:19:11,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:11,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:19:11,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:11,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:19:11,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:11,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:19:11,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:11,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:19:11,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:11,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:19:11,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:11,845 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-12 07:19:11,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:19:11,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719216023] [2024-11-12 07:19:11,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719216023] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:19:11,846 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:19:11,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-12 07:19:11,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256005309] [2024-11-12 07:19:11,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:19:11,847 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-12 07:19:11,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:19:11,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-12 07:19:11,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-12 07:19:11,849 INFO L87 Difference]: Start difference. First operand 587 states and 719 transitions. Second operand has 13 states, 12 states have (on average 5.166666666666667) internal successors, (62), 13 states have internal predecessors, (62), 4 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 4 states have call successors, (17) [2024-11-12 07:19:12,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:19:12,499 INFO L93 Difference]: Finished difference Result 698 states and 849 transitions. [2024-11-12 07:19:12,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-12 07:19:12,500 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.166666666666667) internal successors, (62), 13 states have internal predecessors, (62), 4 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 4 states have call successors, (17) Word has length 144 [2024-11-12 07:19:12,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:19:12,504 INFO L225 Difference]: With dead ends: 698 [2024-11-12 07:19:12,504 INFO L226 Difference]: Without dead ends: 696 [2024-11-12 07:19:12,505 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=86, Invalid=334, Unknown=0, NotChecked=0, Total=420 [2024-11-12 07:19:12,505 INFO L435 NwaCegarLoop]: 171 mSDtfsCounter, 154 mSDsluCounter, 1121 mSDsCounter, 0 mSdLazyCounter, 375 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 1292 SdHoareTripleChecker+Invalid, 401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 07:19:12,506 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 1292 Invalid, 401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 375 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 07:19:12,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 696 states. [2024-11-12 07:19:12,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 696 to 655. [2024-11-12 07:19:12,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 655 states, 588 states have (on average 1.1581632653061225) internal successors, (681), 590 states have internal predecessors, (681), 58 states have call successors, (58), 8 states have call predecessors, (58), 8 states have return successors, (58), 56 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-12 07:19:12,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 655 states and 797 transitions. [2024-11-12 07:19:12,614 INFO L78 Accepts]: Start accepts. Automaton has 655 states and 797 transitions. Word has length 144 [2024-11-12 07:19:12,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:19:12,615 INFO L471 AbstractCegarLoop]: Abstraction has 655 states and 797 transitions. [2024-11-12 07:19:12,615 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.166666666666667) internal successors, (62), 13 states have internal predecessors, (62), 4 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 4 states have call successors, (17) [2024-11-12 07:19:12,615 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 797 transitions. [2024-11-12 07:19:12,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-12 07:19:12,616 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:19:12,617 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:19:12,617 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-12 07:19:12,617 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:19:12,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:19:12,617 INFO L85 PathProgramCache]: Analyzing trace with hash 747978235, now seen corresponding path program 1 times [2024-11-12 07:19:12,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:19:12,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979069990] [2024-11-12 07:19:12,618 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:19:12,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:19:12,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:19:20,783 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: incomplete