./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-66.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_fillercode_fillercodesize_ps-cn-50_file-66.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 ab3009c5075b0ebd92692dd619a86557cce84a8d711f4e9b6310d42ccb6a6f85 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 02:41:07,574 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 02:41:07,635 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-12 02:41:07,639 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 02:41:07,640 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 02:41:07,670 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 02:41:07,671 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 02:41:07,672 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 02:41:07,672 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 02:41:07,675 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 02:41:07,675 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 02:41:07,676 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 02:41:07,676 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 02:41:07,677 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 02:41:07,677 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 02:41:07,677 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 02:41:07,678 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 02:41:07,678 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 02:41:07,680 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 02:41:07,680 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 02:41:07,683 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 02:41:07,684 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 02:41:07,686 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 02:41:07,686 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 02:41:07,686 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 02:41:07,686 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 02:41:07,687 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 02:41:07,687 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 02:41:07,687 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 02:41:07,687 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 02:41:07,688 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 02:41:07,688 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 02:41:07,688 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 02:41:07,688 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 02:41:07,689 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 02:41:07,689 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 02:41:07,690 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 02:41:07,691 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 02:41:07,691 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 02:41:07,691 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 02:41:07,691 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 02:41:07,692 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 02:41:07,692 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ab3009c5075b0ebd92692dd619a86557cce84a8d711f4e9b6310d42ccb6a6f85 [2024-11-12 02:41:07,914 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 02:41:07,936 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 02:41:07,939 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 02:41:07,940 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 02:41:07,941 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 02:41:07,942 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-66.i [2024-11-12 02:41:09,371 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 02:41:09,572 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 02:41:09,573 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-66.i [2024-11-12 02:41:09,582 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92c7abd55/75e31725f89149b3ad686ff7696d0a19/FLAG333603f88 [2024-11-12 02:41:09,597 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92c7abd55/75e31725f89149b3ad686ff7696d0a19 [2024-11-12 02:41:09,601 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 02:41:09,602 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 02:41:09,604 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 02:41:09,604 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 02:41:09,608 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 02:41:09,609 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:41:09" (1/1) ... [2024-11-12 02:41:09,609 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7991a8fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:41:09, skipping insertion in model container [2024-11-12 02:41:09,610 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:41:09" (1/1) ... [2024-11-12 02:41:09,642 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 02:41:09,792 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_fillercode_fillercodesize_ps-cn-50_file-66.i[915,928] [2024-11-12 02:41:09,862 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 02:41:09,873 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 02:41:09,883 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_fillercode_fillercodesize_ps-cn-50_file-66.i[915,928] [2024-11-12 02:41:09,932 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 02:41:09,951 INFO L204 MainTranslator]: Completed translation [2024-11-12 02:41:09,951 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:41:09 WrapperNode [2024-11-12 02:41:09,952 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 02:41:09,956 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 02:41:09,957 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 02:41:09,957 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 02:41:09,962 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:41:09" (1/1) ... [2024-11-12 02:41:09,972 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:41:09" (1/1) ... [2024-11-12 02:41:10,031 INFO L138 Inliner]: procedures = 26, calls = 57, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 253 [2024-11-12 02:41:10,031 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 02:41:10,032 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 02:41:10,032 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 02:41:10,032 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 02:41:10,052 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:41:09" (1/1) ... [2024-11-12 02:41:10,053 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:41:09" (1/1) ... [2024-11-12 02:41:10,056 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:41:09" (1/1) ... [2024-11-12 02:41:10,079 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-12 02:41:10,080 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:41:09" (1/1) ... [2024-11-12 02:41:10,080 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:41:09" (1/1) ... [2024-11-12 02:41:10,092 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:41:09" (1/1) ... [2024-11-12 02:41:10,096 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:41:09" (1/1) ... [2024-11-12 02:41:10,098 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:41:09" (1/1) ... [2024-11-12 02:41:10,100 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:41:09" (1/1) ... [2024-11-12 02:41:10,103 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 02:41:10,104 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 02:41:10,104 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 02:41:10,104 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 02:41:10,105 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:41:09" (1/1) ... [2024-11-12 02:41:10,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 02:41:10,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 02:41:10,143 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 02:41:10,146 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 02:41:10,194 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 02:41:10,195 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 02:41:10,196 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 02:41:10,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 02:41:10,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 02:41:10,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 02:41:10,308 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 02:41:10,309 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 02:41:10,727 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-12 02:41:10,727 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 02:41:10,745 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 02:41:10,746 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 02:41:10,747 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:41:10 BoogieIcfgContainer [2024-11-12 02:41:10,747 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 02:41:10,750 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 02:41:10,751 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 02:41:10,754 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 02:41:10,754 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:41:09" (1/3) ... [2024-11-12 02:41:10,756 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d054c7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:41:10, skipping insertion in model container [2024-11-12 02:41:10,756 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:41:09" (2/3) ... [2024-11-12 02:41:10,756 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d054c7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:41:10, skipping insertion in model container [2024-11-12 02:41:10,757 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:41:10" (3/3) ... [2024-11-12 02:41:10,758 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-50_file-66.i [2024-11-12 02:41:10,772 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 02:41:10,772 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 02:41:10,838 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 02:41:10,844 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;@7841787d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 02:41:10,844 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 02:41:10,849 INFO L276 IsEmpty]: Start isEmpty. Operand has 115 states, 68 states have (on average 1.411764705882353) internal successors, (96), 69 states have internal predecessors, (96), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-12 02:41:10,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2024-11-12 02:41:10,867 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:41:10,868 INFO L218 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:41:10,869 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:41:10,874 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:41:10,874 INFO L85 PathProgramCache]: Analyzing trace with hash 653760348, now seen corresponding path program 1 times [2024-11-12 02:41:10,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:41:10,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014351298] [2024-11-12 02:41:10,883 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:41:10,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:41:11,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:11,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 02:41:11,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:11,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 02:41:11,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:11,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 02:41:11,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:11,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 02:41:11,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:11,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 02:41:11,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:11,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 02:41:11,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:11,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 02:41:11,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:11,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 02:41:11,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:11,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 02:41:11,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:11,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 02:41:11,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:11,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 02:41:11,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:11,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 02:41:11,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:11,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 02:41:11,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:11,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 02:41:11,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:11,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 02:41:11,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:11,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 02:41:11,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:11,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 02:41:11,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:11,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 02:41:11,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:11,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 02:41:11,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:11,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 02:41:11,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:11,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 02:41:11,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:11,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 02:41:11,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:11,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 02:41:11,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:11,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 02:41:11,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:11,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 02:41:11,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:11,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 02:41:11,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:11,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 02:41:11,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:11,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 02:41:11,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:11,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 02:41:11,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:11,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 02:41:11,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:11,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 02:41:11,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:11,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 02:41:11,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:11,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 02:41:11,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:11,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-12 02:41:11,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:11,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-12 02:41:11,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:11,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-12 02:41:11,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:11,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-12 02:41:11,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:11,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-12 02:41:11,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:11,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-12 02:41:11,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:11,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-12 02:41:11,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:11,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-12 02:41:11,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:11,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-12 02:41:11,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:11,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-12 02:41:11,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:11,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-12 02:41:11,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:11,499 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-11-12 02:41:11,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 02:41:11,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014351298] [2024-11-12 02:41:11,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014351298] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 02:41:11,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 02:41:11,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 02:41:11,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476917384] [2024-11-12 02:41:11,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 02:41:11,509 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-12 02:41:11,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 02:41:11,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-12 02:41:11,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 02:41:11,542 INFO L87 Difference]: Start difference. First operand has 115 states, 68 states have (on average 1.411764705882353) internal successors, (96), 69 states have internal predecessors, (96), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) Second operand has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 2 states have call successors, (44) [2024-11-12 02:41:11,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 02:41:11,591 INFO L93 Difference]: Finished difference Result 223 states and 406 transitions. [2024-11-12 02:41:11,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 02:41:11,596 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 2 states have call successors, (44) Word has length 271 [2024-11-12 02:41:11,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 02:41:11,607 INFO L225 Difference]: With dead ends: 223 [2024-11-12 02:41:11,607 INFO L226 Difference]: Without dead ends: 111 [2024-11-12 02:41:11,612 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 134 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 02:41:11,615 INFO L435 NwaCegarLoop]: 177 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, 177 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 02:41:11,615 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 02:41:11,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-11-12 02:41:11,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2024-11-12 02:41:11,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 65 states have (on average 1.3692307692307693) internal successors, (89), 65 states have internal predecessors, (89), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-12 02:41:11,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 177 transitions. [2024-11-12 02:41:11,683 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 177 transitions. Word has length 271 [2024-11-12 02:41:11,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 02:41:11,684 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 177 transitions. [2024-11-12 02:41:11,684 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 2 states have call successors, (44) [2024-11-12 02:41:11,684 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 177 transitions. [2024-11-12 02:41:11,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2024-11-12 02:41:11,693 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:41:11,694 INFO L218 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:41:11,694 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 02:41:11,694 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:41:11,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:41:11,695 INFO L85 PathProgramCache]: Analyzing trace with hash -822820320, now seen corresponding path program 1 times [2024-11-12 02:41:11,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:41:11,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155898306] [2024-11-12 02:41:11,696 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:41:11,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:41:11,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:11,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 02:41:11,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:11,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 02:41:11,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:11,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 02:41:11,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:11,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 02:41:11,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:11,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 02:41:12,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:12,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 02:41:12,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:12,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 02:41:12,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:12,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 02:41:12,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:12,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 02:41:12,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:12,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 02:41:12,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:12,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 02:41:12,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:12,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 02:41:12,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:12,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 02:41:12,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:12,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 02:41:12,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:12,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 02:41:12,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:12,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 02:41:12,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:12,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 02:41:12,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:12,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 02:41:12,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:12,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 02:41:12,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:12,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 02:41:12,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:12,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 02:41:12,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:12,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 02:41:12,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:12,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 02:41:12,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:12,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 02:41:12,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:12,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 02:41:12,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:12,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 02:41:12,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:12,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 02:41:12,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:12,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 02:41:12,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:12,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 02:41:12,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:12,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 02:41:12,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:12,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 02:41:12,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:12,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 02:41:12,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:12,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 02:41:12,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:12,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-12 02:41:12,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:12,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-12 02:41:12,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:12,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-12 02:41:12,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:12,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-12 02:41:12,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:12,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-12 02:41:12,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:12,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-12 02:41:12,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:12,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-12 02:41:12,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:12,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-12 02:41:12,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:12,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-12 02:41:12,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:12,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-12 02:41:12,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:12,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-12 02:41:12,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:12,120 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-11-12 02:41:12,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 02:41:12,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155898306] [2024-11-12 02:41:12,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155898306] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 02:41:12,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 02:41:12,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 02:41:12,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363874444] [2024-11-12 02:41:12,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 02:41:12,123 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 02:41:12,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 02:41:12,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 02:41:12,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 02:41:12,124 INFO L87 Difference]: Start difference. First operand 111 states and 177 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-12 02:41:12,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 02:41:12,226 INFO L93 Difference]: Finished difference Result 326 states and 523 transitions. [2024-11-12 02:41:12,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 02:41:12,229 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 271 [2024-11-12 02:41:12,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 02:41:12,236 INFO L225 Difference]: With dead ends: 326 [2024-11-12 02:41:12,239 INFO L226 Difference]: Without dead ends: 218 [2024-11-12 02:41:12,240 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 02:41:12,241 INFO L435 NwaCegarLoop]: 318 mSDtfsCounter, 164 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 481 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 02:41:12,244 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 481 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 02:41:12,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2024-11-12 02:41:12,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 216. [2024-11-12 02:41:12,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 125 states have (on average 1.336) internal successors, (167), 125 states have internal predecessors, (167), 88 states have call successors, (88), 2 states have call predecessors, (88), 2 states have return successors, (88), 88 states have call predecessors, (88), 88 states have call successors, (88) [2024-11-12 02:41:12,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 343 transitions. [2024-11-12 02:41:12,300 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 343 transitions. Word has length 271 [2024-11-12 02:41:12,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 02:41:12,303 INFO L471 AbstractCegarLoop]: Abstraction has 216 states and 343 transitions. [2024-11-12 02:41:12,303 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-12 02:41:12,304 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 343 transitions. [2024-11-12 02:41:12,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2024-11-12 02:41:12,310 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:41:12,310 INFO L218 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:41:12,310 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 02:41:12,310 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:41:12,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:41:12,311 INFO L85 PathProgramCache]: Analyzing trace with hash -1632166946, now seen corresponding path program 1 times [2024-11-12 02:41:12,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:41:12,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321513092] [2024-11-12 02:41:12,312 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:41:12,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:41:12,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:12,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 02:41:12,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:12,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 02:41:12,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:12,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 02:41:12,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:12,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 02:41:12,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:12,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 02:41:12,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:12,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 02:41:12,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:12,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 02:41:12,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:12,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 02:41:12,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:12,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 02:41:12,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:12,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 02:41:12,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:12,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 02:41:12,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:12,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 02:41:12,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:12,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 02:41:12,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:12,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 02:41:12,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:12,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 02:41:12,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:12,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 02:41:12,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:12,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 02:41:12,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:12,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 02:41:12,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:12,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 02:41:12,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:12,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 02:41:12,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:12,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 02:41:12,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:12,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 02:41:12,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:12,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 02:41:12,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:12,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 02:41:12,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:12,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 02:41:12,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:12,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 02:41:12,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:12,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 02:41:12,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:12,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 02:41:12,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:12,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 02:41:12,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:12,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 02:41:12,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:12,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 02:41:12,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:12,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 02:41:12,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:12,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 02:41:12,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:12,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-12 02:41:12,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:12,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-12 02:41:12,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:12,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-12 02:41:12,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:12,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-12 02:41:12,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:12,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-12 02:41:12,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:12,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-12 02:41:12,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:12,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-12 02:41:12,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:12,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-12 02:41:12,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:12,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-12 02:41:12,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:12,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-12 02:41:12,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:12,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-12 02:41:12,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:12,825 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-11-12 02:41:12,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 02:41:12,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321513092] [2024-11-12 02:41:12,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321513092] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 02:41:12,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 02:41:12,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 02:41:12,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893695169] [2024-11-12 02:41:12,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 02:41:12,827 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 02:41:12,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 02:41:12,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 02:41:12,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 02:41:12,828 INFO L87 Difference]: Start difference. First operand 216 states and 343 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-12 02:41:13,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 02:41:13,210 INFO L93 Difference]: Finished difference Result 657 states and 1034 transitions. [2024-11-12 02:41:13,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 02:41:13,212 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 271 [2024-11-12 02:41:13,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 02:41:13,217 INFO L225 Difference]: With dead ends: 657 [2024-11-12 02:41:13,218 INFO L226 Difference]: Without dead ends: 444 [2024-11-12 02:41:13,219 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-12 02:41:13,220 INFO L435 NwaCegarLoop]: 175 mSDtfsCounter, 114 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 489 SdHoareTripleChecker+Invalid, 240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 02:41:13,221 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 489 Invalid, 240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 02:41:13,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2024-11-12 02:41:13,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 439. [2024-11-12 02:41:13,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 439 states, 252 states have (on average 1.3095238095238095) internal successors, (330), 253 states have internal predecessors, (330), 180 states have call successors, (180), 6 states have call predecessors, (180), 6 states have return successors, (180), 179 states have call predecessors, (180), 180 states have call successors, (180) [2024-11-12 02:41:13,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 690 transitions. [2024-11-12 02:41:13,314 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 690 transitions. Word has length 271 [2024-11-12 02:41:13,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 02:41:13,317 INFO L471 AbstractCegarLoop]: Abstraction has 439 states and 690 transitions. [2024-11-12 02:41:13,317 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-12 02:41:13,318 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 690 transitions. [2024-11-12 02:41:13,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2024-11-12 02:41:13,322 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:41:13,322 INFO L218 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:41:13,322 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 02:41:13,322 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:41:13,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:41:13,323 INFO L85 PathProgramCache]: Analyzing trace with hash -952108576, now seen corresponding path program 1 times [2024-11-12 02:41:13,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:41:13,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277982306] [2024-11-12 02:41:13,324 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:41:13,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:41:13,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:48,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 02:41:48,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:48,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 02:41:48,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:48,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 02:41:48,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:48,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 02:41:48,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:48,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 02:41:48,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:48,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 02:41:48,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:48,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 02:41:48,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:48,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 02:41:48,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:48,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 02:41:48,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:48,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 02:41:48,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:48,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 02:41:48,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:48,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 02:41:48,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:48,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 02:41:48,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:48,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 02:41:48,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:48,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 02:41:48,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:48,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 02:41:48,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:48,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 02:41:48,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:48,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 02:41:48,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:48,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 02:41:48,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:48,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 02:41:48,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:48,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 02:41:48,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:48,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 02:41:48,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:48,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 02:41:48,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:48,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 02:41:48,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:48,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 02:41:48,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:48,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 02:41:48,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:48,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 02:41:48,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:48,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 02:41:48,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:48,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 02:41:48,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:48,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 02:41:48,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:48,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 02:41:48,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:48,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 02:41:48,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:48,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 02:41:48,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:48,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-12 02:41:48,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:48,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-12 02:41:49,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:49,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-12 02:41:49,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:49,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-12 02:41:49,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:49,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-12 02:41:49,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:49,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-12 02:41:49,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:49,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-12 02:41:49,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:49,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-12 02:41:49,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:49,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-12 02:41:49,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:49,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-12 02:41:49,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:49,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-12 02:41:49,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:49,037 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-11-12 02:41:49,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 02:41:49,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277982306] [2024-11-12 02:41:49,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1277982306] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 02:41:49,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 02:41:49,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-12 02:41:49,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874389475] [2024-11-12 02:41:49,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 02:41:49,039 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-12 02:41:49,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 02:41:49,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-12 02:41:49,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2024-11-12 02:41:49,040 INFO L87 Difference]: Start difference. First operand 439 states and 690 transitions. Second operand has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 14 states have internal predecessors, (54), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-12 02:41:53,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 02:41:53,178 INFO L93 Difference]: Finished difference Result 597 states and 885 transitions. [2024-11-12 02:41:53,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-12 02:41:53,179 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 14 states have internal predecessors, (54), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 271 [2024-11-12 02:41:53,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 02:41:53,186 INFO L225 Difference]: With dead ends: 597 [2024-11-12 02:41:53,187 INFO L226 Difference]: Without dead ends: 595 [2024-11-12 02:41:53,188 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=172, Invalid=428, Unknown=0, NotChecked=0, Total=600 [2024-11-12 02:41:53,192 INFO L435 NwaCegarLoop]: 181 mSDtfsCounter, 280 mSDsluCounter, 848 mSDsCounter, 0 mSdLazyCounter, 812 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 1029 SdHoareTripleChecker+Invalid, 870 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 812 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-12 02:41:53,192 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [280 Valid, 1029 Invalid, 870 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 812 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-12 02:41:53,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 595 states. [2024-11-12 02:41:53,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 595 to 514. [2024-11-12 02:41:53,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 514 states, 312 states have (on average 1.2980769230769231) internal successors, (405), 316 states have internal predecessors, (405), 192 states have call successors, (192), 9 states have call predecessors, (192), 9 states have return successors, (192), 188 states have call predecessors, (192), 192 states have call successors, (192) [2024-11-12 02:41:53,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 514 states and 789 transitions. [2024-11-12 02:41:53,258 INFO L78 Accepts]: Start accepts. Automaton has 514 states and 789 transitions. Word has length 271 [2024-11-12 02:41:53,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 02:41:53,259 INFO L471 AbstractCegarLoop]: Abstraction has 514 states and 789 transitions. [2024-11-12 02:41:53,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 14 states have internal predecessors, (54), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-12 02:41:53,259 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 789 transitions. [2024-11-12 02:41:53,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2024-11-12 02:41:53,262 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:41:53,262 INFO L218 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:41:53,262 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 02:41:53,263 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:41:53,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:41:53,263 INFO L85 PathProgramCache]: Analyzing trace with hash -1080985758, now seen corresponding path program 1 times [2024-11-12 02:41:53,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:41:53,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809240372] [2024-11-12 02:41:53,264 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:41:53,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:41:53,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:57,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 02:41:57,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:57,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 02:41:57,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:57,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 02:41:57,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:57,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 02:41:57,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:57,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 02:41:57,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:57,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 02:41:57,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:57,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 02:41:57,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:57,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 02:41:57,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:57,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 02:41:57,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:57,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 02:41:57,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:57,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 02:41:57,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:57,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 02:41:57,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:57,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 02:41:57,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:57,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 02:41:57,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:57,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 02:41:57,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:57,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 02:41:57,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:57,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 02:41:57,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:57,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 02:41:57,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:57,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 02:41:57,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:57,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 02:41:57,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:57,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 02:41:57,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:57,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 02:41:57,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:57,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 02:41:57,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:57,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 02:41:57,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:57,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 02:41:57,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:57,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 02:41:57,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:57,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 02:41:57,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:57,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 02:41:57,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:57,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 02:41:57,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:57,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 02:41:57,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:57,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 02:41:57,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:57,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 02:41:57,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:57,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 02:41:57,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:57,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-12 02:41:57,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:57,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-12 02:41:57,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:57,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-12 02:41:57,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:57,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-12 02:41:57,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:57,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-12 02:41:57,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:57,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-12 02:41:57,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:57,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-12 02:41:57,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:57,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-12 02:41:57,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:57,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-12 02:41:57,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:57,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-12 02:41:57,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:57,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-12 02:41:57,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:41:57,838 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-11-12 02:41:57,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 02:41:57,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809240372] [2024-11-12 02:41:57,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809240372] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 02:41:57,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 02:41:57,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-12 02:41:57,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719758807] [2024-11-12 02:41:57,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 02:41:57,840 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-12 02:41:57,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 02:41:57,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-12 02:41:57,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2024-11-12 02:41:57,841 INFO L87 Difference]: Start difference. First operand 514 states and 789 transitions. Second operand has 16 states, 16 states have (on average 3.375) internal successors, (54), 16 states have internal predecessors, (54), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-12 02:41:59,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 02:41:59,090 INFO L93 Difference]: Finished difference Result 936 states and 1399 transitions. [2024-11-12 02:41:59,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-12 02:41:59,091 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.375) internal successors, (54), 16 states have internal predecessors, (54), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 271 [2024-11-12 02:41:59,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 02:41:59,101 INFO L225 Difference]: With dead ends: 936 [2024-11-12 02:41:59,101 INFO L226 Difference]: Without dead ends: 723 [2024-11-12 02:41:59,103 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2024-11-12 02:41:59,105 INFO L435 NwaCegarLoop]: 169 mSDtfsCounter, 206 mSDsluCounter, 967 mSDsCounter, 0 mSdLazyCounter, 447 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 1136 SdHoareTripleChecker+Invalid, 462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-12 02:41:59,108 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [206 Valid, 1136 Invalid, 462 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 447 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-12 02:41:59,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 723 states. [2024-11-12 02:41:59,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 723 to 571. [2024-11-12 02:41:59,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 571 states, 363 states have (on average 1.3140495867768596) internal successors, (477), 368 states have internal predecessors, (477), 196 states have call successors, (196), 11 states have call predecessors, (196), 11 states have return successors, (196), 191 states have call predecessors, (196), 196 states have call successors, (196) [2024-11-12 02:41:59,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 869 transitions. [2024-11-12 02:41:59,172 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 869 transitions. Word has length 271 [2024-11-12 02:41:59,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 02:41:59,173 INFO L471 AbstractCegarLoop]: Abstraction has 571 states and 869 transitions. [2024-11-12 02:41:59,173 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.375) internal successors, (54), 16 states have internal predecessors, (54), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-12 02:41:59,173 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 869 transitions. [2024-11-12 02:41:59,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2024-11-12 02:41:59,176 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:41:59,176 INFO L218 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:41:59,177 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 02:41:59,177 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:41:59,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:41:59,178 INFO L85 PathProgramCache]: Analyzing trace with hash -1082832800, now seen corresponding path program 1 times [2024-11-12 02:41:59,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:41:59,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607341784] [2024-11-12 02:41:59,179 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:41:59,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:41:59,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:02,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 02:42:02,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:02,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 02:42:02,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:02,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 02:42:02,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:02,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 02:42:02,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:02,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 02:42:02,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:02,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 02:42:02,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:02,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 02:42:02,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:02,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 02:42:02,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:02,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 02:42:02,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:02,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 02:42:02,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:02,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 02:42:02,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:02,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 02:42:02,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:02,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 02:42:02,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:02,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 02:42:02,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:02,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 02:42:02,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:02,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 02:42:02,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:02,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 02:42:02,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:02,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 02:42:02,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:02,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 02:42:02,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:02,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 02:42:02,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:02,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 02:42:02,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:02,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 02:42:02,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:02,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 02:42:02,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:02,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 02:42:02,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:02,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 02:42:02,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:02,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 02:42:02,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:02,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 02:42:02,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:02,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 02:42:02,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:02,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 02:42:02,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:02,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 02:42:02,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:02,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 02:42:02,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:02,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 02:42:02,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:02,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 02:42:02,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:02,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-12 02:42:02,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:02,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-12 02:42:02,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:02,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-12 02:42:02,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:02,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-12 02:42:02,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:02,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-12 02:42:02,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:02,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-12 02:42:02,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:02,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-12 02:42:02,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:02,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-12 02:42:02,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:02,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-12 02:42:02,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:02,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-12 02:42:02,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:02,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-12 02:42:02,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:02,187 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-11-12 02:42:02,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 02:42:02,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607341784] [2024-11-12 02:42:02,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1607341784] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 02:42:02,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 02:42:02,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-12 02:42:02,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914938544] [2024-11-12 02:42:02,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 02:42:02,188 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-12 02:42:02,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 02:42:02,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-12 02:42:02,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2024-11-12 02:42:02,190 INFO L87 Difference]: Start difference. First operand 571 states and 869 transitions. Second operand has 15 states, 15 states have (on average 3.6) internal successors, (54), 15 states have internal predecessors, (54), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-12 02:42:03,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 02:42:03,078 INFO L93 Difference]: Finished difference Result 685 states and 1003 transitions. [2024-11-12 02:42:03,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-12 02:42:03,078 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.6) internal successors, (54), 15 states have internal predecessors, (54), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 271 [2024-11-12 02:42:03,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 02:42:03,083 INFO L225 Difference]: With dead ends: 685 [2024-11-12 02:42:03,083 INFO L226 Difference]: Without dead ends: 683 [2024-11-12 02:42:03,084 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2024-11-12 02:42:03,087 INFO L435 NwaCegarLoop]: 175 mSDtfsCounter, 173 mSDsluCounter, 1237 mSDsCounter, 0 mSdLazyCounter, 517 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 1412 SdHoareTripleChecker+Invalid, 517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-12 02:42:03,088 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 1412 Invalid, 517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 517 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-12 02:42:03,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 683 states. [2024-11-12 02:42:03,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 683 to 571. [2024-11-12 02:42:03,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 571 states, 363 states have (on average 1.3140495867768596) internal successors, (477), 368 states have internal predecessors, (477), 196 states have call successors, (196), 11 states have call predecessors, (196), 11 states have return successors, (196), 191 states have call predecessors, (196), 196 states have call successors, (196) [2024-11-12 02:42:03,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 869 transitions. [2024-11-12 02:42:03,153 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 869 transitions. Word has length 271 [2024-11-12 02:42:03,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 02:42:03,154 INFO L471 AbstractCegarLoop]: Abstraction has 571 states and 869 transitions. [2024-11-12 02:42:03,154 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.6) internal successors, (54), 15 states have internal predecessors, (54), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-12 02:42:03,154 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 869 transitions. [2024-11-12 02:42:03,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2024-11-12 02:42:03,158 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:42:03,158 INFO L218 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:42:03,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-12 02:42:03,158 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:42:03,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:42:03,159 INFO L85 PathProgramCache]: Analyzing trace with hash -400927388, now seen corresponding path program 1 times [2024-11-12 02:42:03,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:42:03,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3632331] [2024-11-12 02:42:03,159 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:42:03,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:42:03,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:08,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 02:42:08,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:08,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 02:42:08,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:08,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 02:42:08,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:08,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 02:42:08,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:08,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 02:42:08,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:08,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 02:42:08,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:08,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 02:42:08,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:08,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 02:42:08,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:08,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 02:42:08,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:08,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 02:42:08,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:08,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 02:42:08,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:08,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 02:42:08,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:08,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 02:42:08,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:08,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 02:42:08,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:08,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 02:42:08,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:08,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 02:42:08,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:08,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 02:42:08,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:08,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 02:42:08,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:08,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 02:42:08,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:08,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 02:42:08,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:08,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 02:42:08,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:08,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 02:42:08,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:08,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 02:42:08,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:08,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 02:42:08,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:08,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 02:42:08,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:08,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 02:42:08,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:08,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 02:42:08,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:08,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 02:42:08,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:08,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 02:42:08,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:08,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 02:42:08,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:08,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 02:42:08,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:08,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 02:42:08,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:08,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 02:42:08,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:08,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-12 02:42:08,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:08,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-12 02:42:08,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:08,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-12 02:42:08,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:08,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-12 02:42:08,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:08,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-12 02:42:08,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:08,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-12 02:42:08,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:08,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-12 02:42:08,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:08,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-12 02:42:08,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:08,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-12 02:42:08,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:08,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-12 02:42:08,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:08,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-12 02:42:08,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:08,324 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-11-12 02:42:08,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 02:42:08,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3632331] [2024-11-12 02:42:08,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3632331] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 02:42:08,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 02:42:08,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-12 02:42:08,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952772187] [2024-11-12 02:42:08,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 02:42:08,326 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-12 02:42:08,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 02:42:08,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-12 02:42:08,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2024-11-12 02:42:08,327 INFO L87 Difference]: Start difference. First operand 571 states and 869 transitions. Second operand has 16 states, 16 states have (on average 3.375) internal successors, (54), 16 states have internal predecessors, (54), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-12 02:42:09,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 02:42:09,553 INFO L93 Difference]: Finished difference Result 692 states and 1011 transitions. [2024-11-12 02:42:09,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-12 02:42:09,554 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.375) internal successors, (54), 16 states have internal predecessors, (54), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 271 [2024-11-12 02:42:09,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 02:42:09,562 INFO L225 Difference]: With dead ends: 692 [2024-11-12 02:42:09,562 INFO L226 Difference]: Without dead ends: 690 [2024-11-12 02:42:09,563 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2024-11-12 02:42:09,563 INFO L435 NwaCegarLoop]: 174 mSDtfsCounter, 177 mSDsluCounter, 876 mSDsCounter, 0 mSdLazyCounter, 612 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 1050 SdHoareTripleChecker+Invalid, 620 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 612 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-12 02:42:09,564 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 1050 Invalid, 620 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 612 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-12 02:42:09,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 690 states. [2024-11-12 02:42:09,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 690 to 575. [2024-11-12 02:42:09,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 575 states, 367 states have (on average 1.3160762942779292) internal successors, (483), 372 states have internal predecessors, (483), 196 states have call successors, (196), 11 states have call predecessors, (196), 11 states have return successors, (196), 191 states have call predecessors, (196), 196 states have call successors, (196) [2024-11-12 02:42:09,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 575 states and 875 transitions. [2024-11-12 02:42:09,636 INFO L78 Accepts]: Start accepts. Automaton has 575 states and 875 transitions. Word has length 271 [2024-11-12 02:42:09,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 02:42:09,636 INFO L471 AbstractCegarLoop]: Abstraction has 575 states and 875 transitions. [2024-11-12 02:42:09,637 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.375) internal successors, (54), 16 states have internal predecessors, (54), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-12 02:42:09,638 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 875 transitions. [2024-11-12 02:42:09,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2024-11-12 02:42:09,639 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:42:09,639 INFO L218 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:42:09,640 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-12 02:42:09,640 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:42:09,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:42:09,641 INFO L85 PathProgramCache]: Analyzing trace with hash -402774430, now seen corresponding path program 1 times [2024-11-12 02:42:09,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:42:09,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142131800] [2024-11-12 02:42:09,641 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:42:09,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:42:09,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:13,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 02:42:13,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:13,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 02:42:13,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:13,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 02:42:13,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:13,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 02:42:13,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:13,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 02:42:13,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:13,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 02:42:13,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:13,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 02:42:13,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:13,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 02:42:13,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:13,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 02:42:13,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:13,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 02:42:13,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:13,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 02:42:13,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:13,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 02:42:13,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:13,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 02:42:13,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:13,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 02:42:13,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:13,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 02:42:13,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:13,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 02:42:13,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:13,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 02:42:13,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:13,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 02:42:13,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:13,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 02:42:13,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:13,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 02:42:13,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:13,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 02:42:13,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:13,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 02:42:13,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:13,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 02:42:13,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:13,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 02:42:13,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:13,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 02:42:13,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:13,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 02:42:13,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:13,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 02:42:13,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:13,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 02:42:13,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:13,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 02:42:13,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:13,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 02:42:13,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:13,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 02:42:13,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:13,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 02:42:13,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:13,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 02:42:13,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:13,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-12 02:42:13,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:13,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-12 02:42:13,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:13,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-12 02:42:13,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:13,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-12 02:42:13,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:13,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-12 02:42:13,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:13,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-12 02:42:13,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:13,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-12 02:42:13,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:13,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-12 02:42:13,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:13,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-12 02:42:13,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:13,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-12 02:42:13,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:13,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-12 02:42:13,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:13,833 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-11-12 02:42:13,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 02:42:13,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142131800] [2024-11-12 02:42:13,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1142131800] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 02:42:13,833 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 02:42:13,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-12 02:42:13,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525088569] [2024-11-12 02:42:13,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 02:42:13,834 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-12 02:42:13,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 02:42:13,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-12 02:42:13,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2024-11-12 02:42:13,836 INFO L87 Difference]: Start difference. First operand 575 states and 875 transitions. Second operand has 15 states, 15 states have (on average 3.6) internal successors, (54), 15 states have internal predecessors, (54), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-12 02:42:14,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 02:42:14,720 INFO L93 Difference]: Finished difference Result 690 states and 1009 transitions. [2024-11-12 02:42:14,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-12 02:42:14,721 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.6) internal successors, (54), 15 states have internal predecessors, (54), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 271 [2024-11-12 02:42:14,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 02:42:14,725 INFO L225 Difference]: With dead ends: 690 [2024-11-12 02:42:14,726 INFO L226 Difference]: Without dead ends: 688 [2024-11-12 02:42:14,726 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2024-11-12 02:42:14,727 INFO L435 NwaCegarLoop]: 186 mSDtfsCounter, 158 mSDsluCounter, 1037 mSDsCounter, 0 mSdLazyCounter, 582 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 1223 SdHoareTripleChecker+Invalid, 590 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 582 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-12 02:42:14,728 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 1223 Invalid, 590 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 582 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-12 02:42:14,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 688 states. [2024-11-12 02:42:14,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 688 to 571. [2024-11-12 02:42:14,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 571 states, 363 states have (on average 1.3140495867768596) internal successors, (477), 368 states have internal predecessors, (477), 196 states have call successors, (196), 11 states have call predecessors, (196), 11 states have return successors, (196), 191 states have call predecessors, (196), 196 states have call successors, (196) [2024-11-12 02:42:14,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 869 transitions. [2024-11-12 02:42:14,787 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 869 transitions. Word has length 271 [2024-11-12 02:42:14,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 02:42:14,787 INFO L471 AbstractCegarLoop]: Abstraction has 571 states and 869 transitions. [2024-11-12 02:42:14,788 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.6) internal successors, (54), 15 states have internal predecessors, (54), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-12 02:42:14,788 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 869 transitions. [2024-11-12 02:42:14,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2024-11-12 02:42:14,789 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:42:14,790 INFO L218 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:42:14,790 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-12 02:42:14,790 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:42:14,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:42:14,791 INFO L85 PathProgramCache]: Analyzing trace with hash -1538914590, now seen corresponding path program 1 times [2024-11-12 02:42:14,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:42:14,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361742912] [2024-11-12 02:42:14,791 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:42:14,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:42:14,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:14,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 02:42:14,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:14,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 02:42:14,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:14,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 02:42:14,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:14,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 02:42:14,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:14,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 02:42:14,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:14,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 02:42:14,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:14,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 02:42:14,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:14,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 02:42:14,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:14,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 02:42:14,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:14,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 02:42:14,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:14,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 02:42:14,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:14,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 02:42:14,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:14,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 02:42:14,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:14,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 02:42:14,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:14,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 02:42:14,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:14,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 02:42:14,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:14,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 02:42:14,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:14,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 02:42:14,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:14,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 02:42:14,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:14,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 02:42:14,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:14,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 02:42:14,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:14,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 02:42:14,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:14,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 02:42:14,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:14,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 02:42:14,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:14,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 02:42:14,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:14,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 02:42:14,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:14,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 02:42:14,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:14,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 02:42:14,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:14,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 02:42:14,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:14,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 02:42:14,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:14,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 02:42:14,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:14,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 02:42:14,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:14,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 02:42:14,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:14,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-12 02:42:14,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:14,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-12 02:42:14,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:15,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-12 02:42:15,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:15,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-12 02:42:15,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:15,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-12 02:42:15,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:15,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-12 02:42:15,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:15,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-12 02:42:15,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:15,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-12 02:42:15,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:15,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-12 02:42:15,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:15,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-12 02:42:15,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:15,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-12 02:42:15,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:15,021 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-11-12 02:42:15,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 02:42:15,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361742912] [2024-11-12 02:42:15,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361742912] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 02:42:15,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 02:42:15,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 02:42:15,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043803052] [2024-11-12 02:42:15,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 02:42:15,023 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 02:42:15,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 02:42:15,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 02:42:15,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 02:42:15,024 INFO L87 Difference]: Start difference. First operand 571 states and 869 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-12 02:42:15,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 02:42:15,092 INFO L93 Difference]: Finished difference Result 1176 states and 1793 transitions. [2024-11-12 02:42:15,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 02:42:15,093 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 271 [2024-11-12 02:42:15,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 02:42:15,099 INFO L225 Difference]: With dead ends: 1176 [2024-11-12 02:42:15,099 INFO L226 Difference]: Without dead ends: 706 [2024-11-12 02:42:15,101 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 02:42:15,102 INFO L435 NwaCegarLoop]: 188 mSDtfsCounter, 87 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 02:42:15,102 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 349 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 02:42:15,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 706 states. [2024-11-12 02:42:15,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 706 to 702. [2024-11-12 02:42:15,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 702 states, 444 states have (on average 1.3108108108108107) internal successors, (582), 450 states have internal predecessors, (582), 244 states have call successors, (244), 13 states have call predecessors, (244), 13 states have return successors, (244), 238 states have call predecessors, (244), 244 states have call successors, (244) [2024-11-12 02:42:15,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 702 states and 1070 transitions. [2024-11-12 02:42:15,174 INFO L78 Accepts]: Start accepts. Automaton has 702 states and 1070 transitions. Word has length 271 [2024-11-12 02:42:15,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 02:42:15,175 INFO L471 AbstractCegarLoop]: Abstraction has 702 states and 1070 transitions. [2024-11-12 02:42:15,175 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-12 02:42:15,175 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 1070 transitions. [2024-11-12 02:42:15,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2024-11-12 02:42:15,177 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:42:15,177 INFO L218 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:42:15,177 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-12 02:42:15,177 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:42:15,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:42:15,178 INFO L85 PathProgramCache]: Analyzing trace with hash -1667791772, now seen corresponding path program 1 times [2024-11-12 02:42:15,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:42:15,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277707674] [2024-11-12 02:42:15,178 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:42:15,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:42:15,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:15,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 02:42:15,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:15,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 02:42:15,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:15,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 02:42:15,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:15,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 02:42:15,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:15,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 02:42:15,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:15,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 02:42:15,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:15,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 02:42:15,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:15,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 02:42:15,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:15,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 02:42:15,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:15,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 02:42:15,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:15,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 02:42:15,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:15,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 02:42:15,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:15,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 02:42:15,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:15,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 02:42:15,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:15,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 02:42:15,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:15,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 02:42:15,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:15,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 02:42:15,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:15,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 02:42:15,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:15,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 02:42:15,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:15,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 02:42:15,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:15,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 02:42:15,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:15,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 02:42:15,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:15,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 02:42:15,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:15,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 02:42:15,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:15,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 02:42:15,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:15,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 02:42:15,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:15,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 02:42:15,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:15,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 02:42:15,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:15,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 02:42:15,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:15,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 02:42:15,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:15,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 02:42:15,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:15,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 02:42:15,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:15,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 02:42:15,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:15,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-12 02:42:15,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:15,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-12 02:42:15,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:15,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-12 02:42:15,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:15,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-12 02:42:15,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:15,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-12 02:42:15,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:15,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-12 02:42:15,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:15,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-12 02:42:15,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:15,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-12 02:42:15,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:15,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-12 02:42:15,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:15,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-12 02:42:15,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:15,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-12 02:42:15,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:15,610 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-11-12 02:42:15,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 02:42:15,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277707674] [2024-11-12 02:42:15,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1277707674] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 02:42:15,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 02:42:15,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 02:42:15,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432596829] [2024-11-12 02:42:15,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 02:42:15,611 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 02:42:15,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 02:42:15,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 02:42:15,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-12 02:42:15,612 INFO L87 Difference]: Start difference. First operand 702 states and 1070 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2024-11-12 02:42:15,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 02:42:15,922 INFO L93 Difference]: Finished difference Result 1287 states and 1951 transitions. [2024-11-12 02:42:15,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 02:42:15,923 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) Word has length 271 [2024-11-12 02:42:15,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 02:42:15,929 INFO L225 Difference]: With dead ends: 1287 [2024-11-12 02:42:15,929 INFO L226 Difference]: Without dead ends: 685 [2024-11-12 02:42:15,931 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-12 02:42:15,932 INFO L435 NwaCegarLoop]: 183 mSDtfsCounter, 168 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 02:42:15,933 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 335 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 02:42:15,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 685 states. [2024-11-12 02:42:16,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 685 to 674. [2024-11-12 02:42:16,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 674 states, 415 states have (on average 1.2891566265060241) internal successors, (535), 420 states have internal predecessors, (535), 244 states have call successors, (244), 14 states have call predecessors, (244), 14 states have return successors, (244), 239 states have call predecessors, (244), 244 states have call successors, (244) [2024-11-12 02:42:16,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 674 states and 1023 transitions. [2024-11-12 02:42:16,018 INFO L78 Accepts]: Start accepts. Automaton has 674 states and 1023 transitions. Word has length 271 [2024-11-12 02:42:16,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 02:42:16,018 INFO L471 AbstractCegarLoop]: Abstraction has 674 states and 1023 transitions. [2024-11-12 02:42:16,018 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2024-11-12 02:42:16,019 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 1023 transitions. [2024-11-12 02:42:16,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2024-11-12 02:42:16,020 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:42:16,020 INFO L218 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:42:16,020 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-12 02:42:16,020 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:42:16,021 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:42:16,021 INFO L85 PathProgramCache]: Analyzing trace with hash -100057083, now seen corresponding path program 1 times [2024-11-12 02:42:16,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:42:16,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745322321] [2024-11-12 02:42:16,021 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:42:16,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:42:16,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:19,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 02:42:19,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:19,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 02:42:19,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:19,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 02:42:19,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:19,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 02:42:19,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:19,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 02:42:19,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:19,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 02:42:19,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:19,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 02:42:19,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:19,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 02:42:19,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:19,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 02:42:19,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:19,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 02:42:19,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:19,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 02:42:19,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:19,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 02:42:19,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:19,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 02:42:19,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:19,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 02:42:19,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:19,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 02:42:19,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:19,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 02:42:19,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:19,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 02:42:19,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:19,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 02:42:19,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:19,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 02:42:19,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:19,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 02:42:19,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:19,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 02:42:19,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:19,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 02:42:19,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:19,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 02:42:19,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:19,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 02:42:19,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:19,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 02:42:19,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:19,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 02:42:19,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:19,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 02:42:19,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:19,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 02:42:19,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:19,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 02:42:19,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:19,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 02:42:19,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:19,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 02:42:19,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:19,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 02:42:19,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:19,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 02:42:19,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:19,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-12 02:42:19,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:19,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-12 02:42:19,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:19,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-12 02:42:19,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:19,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-12 02:42:19,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:19,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-12 02:42:19,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:19,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-12 02:42:19,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:19,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-12 02:42:19,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:19,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-12 02:42:19,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:19,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-12 02:42:19,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:19,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-12 02:42:19,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:19,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-12 02:42:19,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:42:19,337 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-11-12 02:42:19,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 02:42:19,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745322321] [2024-11-12 02:42:19,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1745322321] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 02:42:19,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 02:42:19,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-12 02:42:19,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268039354] [2024-11-12 02:42:19,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 02:42:19,339 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-12 02:42:19,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 02:42:19,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-12 02:42:19,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2024-11-12 02:42:19,340 INFO L87 Difference]: Start difference. First operand 674 states and 1023 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-12 02:42:20,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 02:42:20,776 INFO L93 Difference]: Finished difference Result 752 states and 1106 transitions. [2024-11-12 02:42:20,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-12 02:42:20,777 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 272 [2024-11-12 02:42:20,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 02:42:20,783 INFO L225 Difference]: With dead ends: 752 [2024-11-12 02:42:20,783 INFO L226 Difference]: Without dead ends: 750 [2024-11-12 02:42:20,784 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=84, Invalid=156, Unknown=0, NotChecked=0, Total=240 [2024-11-12 02:42:20,785 INFO L435 NwaCegarLoop]: 187 mSDtfsCounter, 270 mSDsluCounter, 883 mSDsCounter, 0 mSdLazyCounter, 812 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 270 SdHoareTripleChecker+Valid, 1070 SdHoareTripleChecker+Invalid, 832 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 812 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-12 02:42:20,785 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [270 Valid, 1070 Invalid, 832 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 812 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-12 02:42:20,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 750 states. [2024-11-12 02:42:20,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 750 to 685. [2024-11-12 02:42:20,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 685 states, 426 states have (on average 1.2887323943661972) internal successors, (549), 431 states have internal predecessors, (549), 244 states have call successors, (244), 14 states have call predecessors, (244), 14 states have return successors, (244), 239 states have call predecessors, (244), 244 states have call successors, (244) [2024-11-12 02:42:20,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 685 states and 1037 transitions. [2024-11-12 02:42:20,857 INFO L78 Accepts]: Start accepts. Automaton has 685 states and 1037 transitions. Word has length 272 [2024-11-12 02:42:20,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 02:42:20,857 INFO L471 AbstractCegarLoop]: Abstraction has 685 states and 1037 transitions. [2024-11-12 02:42:20,858 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-12 02:42:20,858 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 1037 transitions. [2024-11-12 02:42:20,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2024-11-12 02:42:20,859 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:42:20,860 INFO L218 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:42:20,860 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-12 02:42:20,860 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:42:20,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:42:20,861 INFO L85 PathProgramCache]: Analyzing trace with hash -101904125, now seen corresponding path program 1 times [2024-11-12 02:42:20,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:42:20,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298256763] [2024-11-12 02:42:20,861 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:42:20,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:42:20,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat