./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-98.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-98.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 29660a505d12db16cb6ebaa6d023074ab3483b7ffc3518a7c288ecb4d9bcecec --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 07:39:31,849 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 07:39:31,910 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-20 07:39:31,916 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 07:39:31,917 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 07:39:31,949 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 07:39:31,949 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 07:39:31,950 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 07:39:31,950 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 07:39:31,951 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 07:39:31,951 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 07:39:31,951 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 07:39:31,952 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 07:39:31,952 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 07:39:31,953 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 07:39:31,953 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 07:39:31,953 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 07:39:31,954 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 07:39:31,954 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 07:39:31,954 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 07:39:31,955 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 07:39:31,956 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 07:39:31,965 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 07:39:31,966 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 07:39:31,966 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 07:39:31,966 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 07:39:31,967 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 07:39:31,967 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 07:39:31,967 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 07:39:31,968 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 07:39:31,968 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 07:39:31,971 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 07:39:31,972 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 07:39:31,972 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 07:39:31,972 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 07:39:31,973 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 07:39:31,973 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 07:39:31,973 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 07:39:31,974 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 07:39:31,974 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 07:39:31,974 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 07:39:31,975 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 07:39:31,975 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 29660a505d12db16cb6ebaa6d023074ab3483b7ffc3518a7c288ecb4d9bcecec [2024-11-20 07:39:32,200 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 07:39:32,225 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 07:39:32,227 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 07:39:32,228 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 07:39:32,229 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 07:39:32,230 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-98.i [2024-11-20 07:39:33,668 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 07:39:33,902 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 07:39:33,903 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-98.i [2024-11-20 07:39:33,917 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/147ce767a/fe078a6e90e9470dbc7066397dd5277f/FLAG707bcb814 [2024-11-20 07:39:34,243 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/147ce767a/fe078a6e90e9470dbc7066397dd5277f [2024-11-20 07:39:34,245 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 07:39:34,246 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 07:39:34,247 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 07:39:34,247 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 07:39:34,255 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 07:39:34,256 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:39:34" (1/1) ... [2024-11-20 07:39:34,257 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46f4093d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:39:34, skipping insertion in model container [2024-11-20 07:39:34,257 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:39:34" (1/1) ... [2024-11-20 07:39:34,304 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 07:39:34,485 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_operatoramount_amount250_file-98.i[916,929] [2024-11-20 07:39:34,625 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 07:39:34,641 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 07:39:34,655 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-98.i[916,929] [2024-11-20 07:39:34,766 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 07:39:34,789 INFO L204 MainTranslator]: Completed translation [2024-11-20 07:39:34,790 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:39:34 WrapperNode [2024-11-20 07:39:34,790 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 07:39:34,791 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 07:39:34,791 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 07:39:34,791 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 07:39:34,797 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:39:34" (1/1) ... [2024-11-20 07:39:34,813 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:39:34" (1/1) ... [2024-11-20 07:39:34,866 INFO L138 Inliner]: procedures = 26, calls = 56, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 480 [2024-11-20 07:39:34,867 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 07:39:34,868 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 07:39:34,868 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 07:39:34,868 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 07:39:34,879 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:39:34" (1/1) ... [2024-11-20 07:39:34,880 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:39:34" (1/1) ... [2024-11-20 07:39:34,887 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:39:34" (1/1) ... [2024-11-20 07:39:34,927 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]. [2024-11-20 07:39:34,927 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:39:34" (1/1) ... [2024-11-20 07:39:34,928 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:39:34" (1/1) ... [2024-11-20 07:39:34,957 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:39:34" (1/1) ... [2024-11-20 07:39:34,964 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:39:34" (1/1) ... [2024-11-20 07:39:34,978 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:39:34" (1/1) ... [2024-11-20 07:39:34,986 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:39:34" (1/1) ... [2024-11-20 07:39:35,003 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 07:39:35,005 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 07:39:35,005 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 07:39:35,006 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 07:39:35,007 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:39:34" (1/1) ... [2024-11-20 07:39:35,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 07:39:35,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 07:39:35,040 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) [2024-11-20 07:39:35,043 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 [2024-11-20 07:39:35,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 07:39:35,089 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 07:39:35,089 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 07:39:35,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 07:39:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 07:39:35,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 07:39:35,214 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 07:39:35,216 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 07:39:36,057 INFO L? ?]: Removed 72 outVars from TransFormulas that were not future-live. [2024-11-20 07:39:36,057 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 07:39:36,077 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 07:39:36,078 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 07:39:36,078 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:39:36 BoogieIcfgContainer [2024-11-20 07:39:36,078 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 07:39:36,081 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 07:39:36,081 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 07:39:36,084 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 07:39:36,084 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 07:39:34" (1/3) ... [2024-11-20 07:39:36,085 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3667d90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:39:36, skipping insertion in model container [2024-11-20 07:39:36,086 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:39:34" (2/3) ... [2024-11-20 07:39:36,086 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3667d90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:39:36, skipping insertion in model container [2024-11-20 07:39:36,086 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:39:36" (3/3) ... [2024-11-20 07:39:36,088 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount250_file-98.i [2024-11-20 07:39:36,103 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 07:39:36,104 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 07:39:36,179 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 07:39:36,187 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;@13f7f307, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 07:39:36,188 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 07:39:36,195 INFO L276 IsEmpty]: Start isEmpty. Operand has 200 states, 154 states have (on average 1.525974025974026) internal successors, (235), 155 states have internal predecessors, (235), 43 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-20 07:39:36,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2024-11-20 07:39:36,222 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 07:39:36,223 INFO L215 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 07:39:36,224 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 07:39:36,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 07:39:36,230 INFO L85 PathProgramCache]: Analyzing trace with hash 540164620, now seen corresponding path program 1 times [2024-11-20 07:39:36,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 07:39:36,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117867100] [2024-11-20 07:39:36,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:39:36,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 07:39:36,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:36,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 07:39:36,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:36,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 07:39:36,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:36,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-20 07:39:36,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:36,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 07:39:36,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:36,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-20 07:39:36,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:36,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 07:39:36,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:36,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 07:39:36,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:36,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 07:39:36,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:36,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-20 07:39:36,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:36,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 07:39:36,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:36,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 07:39:36,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:36,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 07:39:36,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:36,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 07:39:36,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:36,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 07:39:36,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:36,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 07:39:36,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:36,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 07:39:36,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:36,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 07:39:36,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:36,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 07:39:36,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:36,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-20 07:39:36,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:36,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 07:39:36,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:36,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-20 07:39:36,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:36,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 07:39:36,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:36,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 07:39:36,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:36,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 07:39:36,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:36,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-20 07:39:36,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:36,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 07:39:36,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:36,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-20 07:39:36,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:36,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 07:39:36,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:36,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-20 07:39:36,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:36,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 07:39:36,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:36,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-20 07:39:36,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:36,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 07:39:36,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:36,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-20 07:39:36,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:36,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-20 07:39:36,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:36,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 07:39:36,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:36,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-20 07:39:36,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:36,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-20 07:39:36,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:36,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-20 07:39:36,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:36,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-20 07:39:36,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:36,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-20 07:39:36,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:36,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-20 07:39:36,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:36,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-20 07:39:36,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:36,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-20 07:39:36,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:36,917 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2024-11-20 07:39:36,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 07:39:36,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117867100] [2024-11-20 07:39:36,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117867100] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 07:39:36,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 07:39:36,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 07:39:36,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098518416] [2024-11-20 07:39:36,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 07:39:36,929 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 07:39:36,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 07:39:36,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 07:39:36,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 07:39:36,957 INFO L87 Difference]: Start difference. First operand has 200 states, 154 states have (on average 1.525974025974026) internal successors, (235), 155 states have internal predecessors, (235), 43 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) Second operand has 2 states, 2 states have (on average 41.0) internal successors, (82), 2 states have internal predecessors, (82), 2 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 2 states have call successors, (43) [2024-11-20 07:39:37,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 07:39:37,007 INFO L93 Difference]: Finished difference Result 393 states and 679 transitions. [2024-11-20 07:39:37,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 07:39:37,010 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 41.0) internal successors, (82), 2 states have internal predecessors, (82), 2 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 2 states have call successors, (43) Word has length 294 [2024-11-20 07:39:37,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 07:39:37,019 INFO L225 Difference]: With dead ends: 393 [2024-11-20 07:39:37,019 INFO L226 Difference]: Without dead ends: 196 [2024-11-20 07:39:37,024 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 07:39:37,029 INFO L432 NwaCegarLoop]: 314 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, 314 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 [2024-11-20 07:39:37,030 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 314 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 07:39:37,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2024-11-20 07:39:37,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 196. [2024-11-20 07:39:37,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 151 states have (on average 1.509933774834437) internal successors, (228), 151 states have internal predecessors, (228), 43 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-20 07:39:37,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 314 transitions. [2024-11-20 07:39:37,106 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 314 transitions. Word has length 294 [2024-11-20 07:39:37,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 07:39:37,108 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 314 transitions. [2024-11-20 07:39:37,109 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 41.0) internal successors, (82), 2 states have internal predecessors, (82), 2 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 2 states have call successors, (43) [2024-11-20 07:39:37,109 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 314 transitions. [2024-11-20 07:39:37,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2024-11-20 07:39:37,120 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 07:39:37,120 INFO L215 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 07:39:37,121 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 07:39:37,121 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 07:39:37,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 07:39:37,122 INFO L85 PathProgramCache]: Analyzing trace with hash -354380150, now seen corresponding path program 1 times [2024-11-20 07:39:37,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 07:39:37,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688873060] [2024-11-20 07:39:37,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:39:37,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 07:39:37,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:37,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 07:39:37,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:37,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 07:39:37,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:37,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-20 07:39:37,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:37,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 07:39:37,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:38,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-20 07:39:38,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:38,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 07:39:38,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:38,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 07:39:38,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:38,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 07:39:38,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:38,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-20 07:39:38,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:38,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 07:39:38,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:38,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 07:39:38,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:38,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 07:39:38,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:38,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 07:39:38,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:38,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 07:39:38,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:38,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 07:39:38,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:38,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 07:39:38,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:38,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 07:39:38,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:38,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 07:39:38,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:38,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-20 07:39:38,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:38,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 07:39:38,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:38,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-20 07:39:38,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:38,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 07:39:38,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:38,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 07:39:38,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:38,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 07:39:38,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:38,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-20 07:39:38,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:38,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 07:39:38,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:38,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-20 07:39:38,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:38,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 07:39:38,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:38,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-20 07:39:38,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:38,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 07:39:38,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:38,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-20 07:39:38,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:38,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 07:39:38,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:38,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-20 07:39:38,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:38,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-20 07:39:38,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:38,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 07:39:38,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:38,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-20 07:39:38,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:38,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-20 07:39:38,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:38,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-20 07:39:38,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:38,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-20 07:39:38,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:38,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-20 07:39:38,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:38,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-20 07:39:38,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:38,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-20 07:39:38,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:38,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-20 07:39:38,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:38,136 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2024-11-20 07:39:38,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 07:39:38,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688873060] [2024-11-20 07:39:38,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688873060] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 07:39:38,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 07:39:38,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 07:39:38,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154835030] [2024-11-20 07:39:38,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 07:39:38,140 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 07:39:38,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 07:39:38,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 07:39:38,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 07:39:38,143 INFO L87 Difference]: Start difference. First operand 196 states and 314 transitions. Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-20 07:39:38,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 07:39:38,549 INFO L93 Difference]: Finished difference Result 662 states and 1060 transitions. [2024-11-20 07:39:38,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 07:39:38,551 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) Word has length 294 [2024-11-20 07:39:38,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 07:39:38,556 INFO L225 Difference]: With dead ends: 662 [2024-11-20 07:39:38,556 INFO L226 Difference]: Without dead ends: 469 [2024-11-20 07:39:38,557 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 07:39:38,558 INFO L432 NwaCegarLoop]: 430 mSDtfsCounter, 540 mSDsluCounter, 675 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 540 SdHoareTripleChecker+Valid, 1105 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 07:39:38,559 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [540 Valid, 1105 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 07:39:38,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2024-11-20 07:39:38,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 386. [2024-11-20 07:39:38,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 386 states, 317 states have (on average 1.555205047318612) internal successors, (493), 318 states have internal predecessors, (493), 66 states have call successors, (66), 2 states have call predecessors, (66), 2 states have return successors, (66), 65 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-20 07:39:38,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 625 transitions. [2024-11-20 07:39:38,617 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 625 transitions. Word has length 294 [2024-11-20 07:39:38,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 07:39:38,618 INFO L471 AbstractCegarLoop]: Abstraction has 386 states and 625 transitions. [2024-11-20 07:39:38,618 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-20 07:39:38,618 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 625 transitions. [2024-11-20 07:39:38,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2024-11-20 07:39:38,625 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 07:39:38,626 INFO L215 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 07:39:38,627 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 07:39:38,627 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 07:39:38,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 07:39:38,628 INFO L85 PathProgramCache]: Analyzing trace with hash 69266572, now seen corresponding path program 1 times [2024-11-20 07:39:38,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 07:39:38,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440808990] [2024-11-20 07:39:38,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:39:38,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 07:39:38,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:39,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 07:39:39,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:39,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 07:39:39,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:39,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-20 07:39:39,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:39,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 07:39:39,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:39,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-20 07:39:39,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:39,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 07:39:39,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:39,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 07:39:39,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:39,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 07:39:39,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:39,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-20 07:39:39,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:39,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 07:39:39,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:39,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 07:39:39,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:39,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 07:39:39,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:39,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 07:39:39,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:39,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 07:39:39,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:39,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 07:39:39,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:39,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 07:39:39,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:39,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 07:39:39,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:39,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 07:39:39,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:39,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-20 07:39:39,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:39,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 07:39:39,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:39,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-20 07:39:39,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:39,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 07:39:39,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:39,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 07:39:39,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:39,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 07:39:39,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:39,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-20 07:39:39,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:39,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 07:39:39,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:39,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-20 07:39:39,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:39,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 07:39:39,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:39,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-20 07:39:39,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:39,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 07:39:39,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:39,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-20 07:39:39,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:39,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 07:39:39,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:39,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-20 07:39:39,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:39,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-20 07:39:39,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:39,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 07:39:39,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:39,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-20 07:39:39,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:39,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-20 07:39:39,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:39,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-20 07:39:39,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:39,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-20 07:39:39,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:39,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-20 07:39:39,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:39,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-20 07:39:39,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:39,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-20 07:39:39,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:39,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-20 07:39:39,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:39,452 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2024-11-20 07:39:39,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 07:39:39,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440808990] [2024-11-20 07:39:39,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [440808990] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 07:39:39,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 07:39:39,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 07:39:39,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466601151] [2024-11-20 07:39:39,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 07:39:39,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 07:39:39,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 07:39:39,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 07:39:39,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 07:39:39,456 INFO L87 Difference]: Start difference. First operand 386 states and 625 transitions. Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-20 07:39:39,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 07:39:39,826 INFO L93 Difference]: Finished difference Result 1403 states and 2280 transitions. [2024-11-20 07:39:39,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 07:39:39,827 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) Word has length 294 [2024-11-20 07:39:39,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 07:39:39,835 INFO L225 Difference]: With dead ends: 1403 [2024-11-20 07:39:39,835 INFO L226 Difference]: Without dead ends: 1020 [2024-11-20 07:39:39,836 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 07:39:39,838 INFO L432 NwaCegarLoop]: 282 mSDtfsCounter, 513 mSDsluCounter, 472 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 513 SdHoareTripleChecker+Valid, 754 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 07:39:39,838 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [513 Valid, 754 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 07:39:39,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1020 states. [2024-11-20 07:39:39,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1020 to 972. [2024-11-20 07:39:39,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 972 states, 835 states have (on average 1.5844311377245508) internal successors, (1323), 837 states have internal predecessors, (1323), 132 states have call successors, (132), 4 states have call predecessors, (132), 4 states have return successors, (132), 130 states have call predecessors, (132), 132 states have call successors, (132) [2024-11-20 07:39:39,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 972 states to 972 states and 1587 transitions. [2024-11-20 07:39:39,909 INFO L78 Accepts]: Start accepts. Automaton has 972 states and 1587 transitions. Word has length 294 [2024-11-20 07:39:39,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 07:39:39,910 INFO L471 AbstractCegarLoop]: Abstraction has 972 states and 1587 transitions. [2024-11-20 07:39:39,910 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-20 07:39:39,910 INFO L276 IsEmpty]: Start isEmpty. Operand 972 states and 1587 transitions. [2024-11-20 07:39:39,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2024-11-20 07:39:39,915 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 07:39:39,915 INFO L215 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 07:39:39,915 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 07:39:39,916 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 07:39:39,916 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 07:39:39,916 INFO L85 PathProgramCache]: Analyzing trace with hash -630987692, now seen corresponding path program 1 times [2024-11-20 07:39:39,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 07:39:39,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055050367] [2024-11-20 07:39:39,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:39:39,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 07:39:40,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:41,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 07:39:41,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:41,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 07:39:41,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:41,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-20 07:39:41,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:41,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 07:39:41,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:41,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-20 07:39:41,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:41,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 07:39:41,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:41,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 07:39:41,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:41,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 07:39:41,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:41,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-20 07:39:41,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:41,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 07:39:41,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:41,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 07:39:41,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:41,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 07:39:41,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:41,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 07:39:41,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:41,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 07:39:41,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:41,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 07:39:41,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:41,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 07:39:41,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:41,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 07:39:41,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:41,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 07:39:41,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:41,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-20 07:39:41,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:41,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 07:39:41,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:41,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-20 07:39:41,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:41,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 07:39:41,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:41,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 07:39:41,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:41,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 07:39:41,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:41,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-20 07:39:41,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:41,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 07:39:41,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:41,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-20 07:39:41,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:41,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 07:39:41,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:41,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-20 07:39:41,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:41,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 07:39:41,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:41,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-20 07:39:41,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:41,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 07:39:41,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:41,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-20 07:39:41,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:41,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-20 07:39:41,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:41,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 07:39:41,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:41,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-20 07:39:41,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:41,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-20 07:39:41,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:41,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-20 07:39:41,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:41,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-20 07:39:41,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:41,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-20 07:39:41,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:41,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-20 07:39:41,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:41,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-20 07:39:41,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:41,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-20 07:39:41,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:41,718 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2024-11-20 07:39:41,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 07:39:41,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055050367] [2024-11-20 07:39:41,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055050367] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 07:39:41,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 07:39:41,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 07:39:41,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100302281] [2024-11-20 07:39:41,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 07:39:41,719 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 07:39:41,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 07:39:41,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 07:39:41,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-20 07:39:41,721 INFO L87 Difference]: Start difference. First operand 972 states and 1587 transitions. Second operand has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-20 07:39:42,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 07:39:42,695 INFO L93 Difference]: Finished difference Result 1941 states and 3171 transitions. [2024-11-20 07:39:42,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 07:39:42,697 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) Word has length 295 [2024-11-20 07:39:42,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 07:39:42,703 INFO L225 Difference]: With dead ends: 1941 [2024-11-20 07:39:42,704 INFO L226 Difference]: Without dead ends: 972 [2024-11-20 07:39:42,706 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-20 07:39:42,707 INFO L432 NwaCegarLoop]: 239 mSDtfsCounter, 277 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 270 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 535 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-20 07:39:42,708 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [277 Valid, 535 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 270 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-20 07:39:42,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 972 states. [2024-11-20 07:39:42,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 972 to 972. [2024-11-20 07:39:42,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 972 states, 835 states have (on average 1.5736526946107785) internal successors, (1314), 837 states have internal predecessors, (1314), 132 states have call successors, (132), 4 states have call predecessors, (132), 4 states have return successors, (132), 130 states have call predecessors, (132), 132 states have call successors, (132) [2024-11-20 07:39:42,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 972 states to 972 states and 1578 transitions. [2024-11-20 07:39:42,787 INFO L78 Accepts]: Start accepts. Automaton has 972 states and 1578 transitions. Word has length 295 [2024-11-20 07:39:42,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 07:39:42,788 INFO L471 AbstractCegarLoop]: Abstraction has 972 states and 1578 transitions. [2024-11-20 07:39:42,788 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-20 07:39:42,789 INFO L276 IsEmpty]: Start isEmpty. Operand 972 states and 1578 transitions. [2024-11-20 07:39:42,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2024-11-20 07:39:42,793 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 07:39:42,793 INFO L215 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 07:39:42,794 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 07:39:42,794 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 07:39:42,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 07:39:42,794 INFO L85 PathProgramCache]: Analyzing trace with hash -760171441, now seen corresponding path program 1 times [2024-11-20 07:39:42,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 07:39:42,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032848960] [2024-11-20 07:39:42,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:39:42,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 07:39:42,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:43,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 07:39:43,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:43,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 07:39:43,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:43,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-20 07:39:43,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:43,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 07:39:43,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:43,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-20 07:39:43,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:43,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 07:39:43,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:43,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 07:39:43,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:43,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 07:39:43,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:43,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-20 07:39:43,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:43,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 07:39:43,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:43,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 07:39:43,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:43,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 07:39:43,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:43,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 07:39:43,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:43,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 07:39:43,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:43,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 07:39:43,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:43,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 07:39:43,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:43,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 07:39:43,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:43,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 07:39:43,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:43,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-20 07:39:43,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:43,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 07:39:43,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:43,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-20 07:39:43,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:43,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 07:39:43,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:43,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 07:39:43,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:43,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 07:39:43,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:43,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-20 07:39:43,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:43,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 07:39:43,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:43,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-20 07:39:43,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:43,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 07:39:43,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:43,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-20 07:39:43,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:43,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 07:39:43,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:43,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-20 07:39:43,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:43,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 07:39:43,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:43,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-20 07:39:43,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:43,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-20 07:39:43,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:43,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 07:39:43,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:43,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-20 07:39:43,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:43,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-20 07:39:43,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:43,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-20 07:39:43,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:43,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-20 07:39:43,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:43,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-20 07:39:43,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:43,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-20 07:39:43,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:43,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-20 07:39:43,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:43,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-20 07:39:43,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:43,918 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2024-11-20 07:39:43,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 07:39:43,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032848960] [2024-11-20 07:39:43,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1032848960] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 07:39:43,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 07:39:43,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 07:39:43,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950824925] [2024-11-20 07:39:43,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 07:39:43,920 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 07:39:43,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 07:39:43,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 07:39:43,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-20 07:39:43,923 INFO L87 Difference]: Start difference. First operand 972 states and 1578 transitions. Second operand has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 2 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2024-11-20 07:39:44,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 07:39:44,198 INFO L93 Difference]: Finished difference Result 1950 states and 3167 transitions. [2024-11-20 07:39:44,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 07:39:44,199 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 2 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) Word has length 297 [2024-11-20 07:39:44,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 07:39:44,206 INFO L225 Difference]: With dead ends: 1950 [2024-11-20 07:39:44,206 INFO L226 Difference]: Without dead ends: 981 [2024-11-20 07:39:44,208 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-20 07:39:44,210 INFO L432 NwaCegarLoop]: 289 mSDtfsCounter, 304 mSDsluCounter, 828 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 304 SdHoareTripleChecker+Valid, 1117 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 07:39:44,211 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [304 Valid, 1117 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 07:39:44,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 981 states. [2024-11-20 07:39:44,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 981 to 975. [2024-11-20 07:39:44,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 975 states, 838 states have (on average 1.571599045346062) internal successors, (1317), 840 states have internal predecessors, (1317), 132 states have call successors, (132), 4 states have call predecessors, (132), 4 states have return successors, (132), 130 states have call predecessors, (132), 132 states have call successors, (132) [2024-11-20 07:39:44,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 975 states to 975 states and 1581 transitions. [2024-11-20 07:39:44,289 INFO L78 Accepts]: Start accepts. Automaton has 975 states and 1581 transitions. Word has length 297 [2024-11-20 07:39:44,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 07:39:44,290 INFO L471 AbstractCegarLoop]: Abstraction has 975 states and 1581 transitions. [2024-11-20 07:39:44,290 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 2 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2024-11-20 07:39:44,290 INFO L276 IsEmpty]: Start isEmpty. Operand 975 states and 1581 transitions. [2024-11-20 07:39:44,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2024-11-20 07:39:44,296 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 07:39:44,296 INFO L215 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 07:39:44,296 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 07:39:44,297 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 07:39:44,297 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 07:39:44,297 INFO L85 PathProgramCache]: Analyzing trace with hash -241309382, now seen corresponding path program 1 times [2024-11-20 07:39:44,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 07:39:44,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385043038] [2024-11-20 07:39:44,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:39:44,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 07:39:44,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:45,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 07:39:45,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:45,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 07:39:45,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:45,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-20 07:39:45,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:45,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 07:39:45,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:45,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-20 07:39:45,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:45,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 07:39:45,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:45,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 07:39:45,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:45,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 07:39:45,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:45,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-20 07:39:45,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:45,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 07:39:45,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:45,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 07:39:45,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:45,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 07:39:45,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:45,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 07:39:45,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:45,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 07:39:45,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:45,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 07:39:45,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:45,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 07:39:45,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:45,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 07:39:45,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:45,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 07:39:45,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:45,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-20 07:39:45,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:45,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 07:39:45,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:45,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-20 07:39:45,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:45,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 07:39:45,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:45,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 07:39:45,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:45,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 07:39:45,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:45,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-20 07:39:45,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:45,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 07:39:45,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:45,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-20 07:39:45,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:45,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 07:39:45,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:45,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-20 07:39:45,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:45,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 07:39:45,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:45,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-20 07:39:45,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:45,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 07:39:45,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:45,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-20 07:39:45,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:45,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-20 07:39:45,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:45,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 07:39:45,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:45,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-20 07:39:45,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:45,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-20 07:39:45,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:45,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-20 07:39:45,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:45,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-20 07:39:45,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:45,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-20 07:39:45,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:45,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-20 07:39:45,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:45,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-20 07:39:45,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:45,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-20 07:39:45,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:45,289 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2024-11-20 07:39:45,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 07:39:45,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385043038] [2024-11-20 07:39:45,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385043038] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 07:39:45,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 07:39:45,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-20 07:39:45,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936458125] [2024-11-20 07:39:45,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 07:39:45,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 07:39:45,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 07:39:45,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 07:39:45,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-20 07:39:45,294 INFO L87 Difference]: Start difference. First operand 975 states and 1581 transitions. Second operand has 8 states, 8 states have (on average 10.625) internal successors, (85), 8 states have internal predecessors, (85), 2 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2024-11-20 07:39:46,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 07:39:46,159 INFO L93 Difference]: Finished difference Result 2965 states and 4710 transitions. [2024-11-20 07:39:46,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-20 07:39:46,160 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.625) internal successors, (85), 8 states have internal predecessors, (85), 2 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) Word has length 297 [2024-11-20 07:39:46,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 07:39:46,173 INFO L225 Difference]: With dead ends: 2965 [2024-11-20 07:39:46,173 INFO L226 Difference]: Without dead ends: 1993 [2024-11-20 07:39:46,177 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-20 07:39:46,179 INFO L432 NwaCegarLoop]: 328 mSDtfsCounter, 552 mSDsluCounter, 1341 mSDsCounter, 0 mSdLazyCounter, 539 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 552 SdHoareTripleChecker+Valid, 1669 SdHoareTripleChecker+Invalid, 611 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-20 07:39:46,180 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [552 Valid, 1669 Invalid, 611 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 539 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-20 07:39:46,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1993 states. [2024-11-20 07:39:46,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1993 to 1981. [2024-11-20 07:39:46,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1981 states, 1724 states have (on average 1.5243619489559164) internal successors, (2628), 1734 states have internal predecessors, (2628), 244 states have call successors, (244), 12 states have call predecessors, (244), 12 states have return successors, (244), 234 states have call predecessors, (244), 244 states have call successors, (244) [2024-11-20 07:39:46,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1981 states to 1981 states and 3116 transitions. [2024-11-20 07:39:46,385 INFO L78 Accepts]: Start accepts. Automaton has 1981 states and 3116 transitions. Word has length 297 [2024-11-20 07:39:46,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 07:39:46,386 INFO L471 AbstractCegarLoop]: Abstraction has 1981 states and 3116 transitions. [2024-11-20 07:39:46,387 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.625) internal successors, (85), 8 states have internal predecessors, (85), 2 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2024-11-20 07:39:46,387 INFO L276 IsEmpty]: Start isEmpty. Operand 1981 states and 3116 transitions. [2024-11-20 07:39:46,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2024-11-20 07:39:46,394 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 07:39:46,395 INFO L215 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 07:39:46,395 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-20 07:39:46,395 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 07:39:46,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 07:39:46,396 INFO L85 PathProgramCache]: Analyzing trace with hash 1272383188, now seen corresponding path program 1 times [2024-11-20 07:39:46,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 07:39:46,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74071463] [2024-11-20 07:39:46,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:39:46,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 07:39:46,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:47,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 07:39:47,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:47,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 07:39:47,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:47,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-20 07:39:47,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:47,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 07:39:47,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:47,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-20 07:39:47,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:47,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 07:39:47,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:47,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 07:39:47,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:47,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 07:39:47,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:47,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-20 07:39:47,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:47,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 07:39:47,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:47,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 07:39:47,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:47,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 07:39:47,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:47,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 07:39:47,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:47,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 07:39:47,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:47,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 07:39:47,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:47,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 07:39:47,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:47,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 07:39:47,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:47,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 07:39:47,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:47,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-20 07:39:47,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:47,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 07:39:47,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:47,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-20 07:39:47,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:47,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 07:39:47,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:47,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 07:39:47,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:47,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 07:39:47,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:47,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-20 07:39:47,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:47,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 07:39:47,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:47,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-20 07:39:47,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:47,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 07:39:47,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:47,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-20 07:39:47,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:47,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 07:39:47,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:47,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-20 07:39:47,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:47,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 07:39:47,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:47,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-20 07:39:47,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:47,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-20 07:39:47,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:47,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 07:39:47,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:47,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-20 07:39:47,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:47,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-20 07:39:47,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:47,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-20 07:39:47,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:47,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-20 07:39:47,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:47,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-20 07:39:47,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:47,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-20 07:39:47,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:47,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-20 07:39:47,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:47,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-20 07:39:47,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:47,625 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 9 proven. 117 refuted. 0 times theorem prover too weak. 3486 trivial. 0 not checked. [2024-11-20 07:39:47,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 07:39:47,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74071463] [2024-11-20 07:39:47,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [74071463] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 07:39:47,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1542029245] [2024-11-20 07:39:47,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:39:47,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 07:39:47,627 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 07:39:47,629 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 07:39:47,632 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-20 07:39:47,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:47,864 INFO L255 TraceCheckSpWp]: Trace formula consists of 721 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-20 07:39:47,883 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 07:39:48,236 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 1836 proven. 57 refuted. 0 times theorem prover too weak. 1719 trivial. 0 not checked. [2024-11-20 07:39:48,237 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 07:39:48,637 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 69 proven. 57 refuted. 0 times theorem prover too weak. 3486 trivial. 0 not checked. [2024-11-20 07:39:48,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1542029245] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 07:39:48,638 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 07:39:48,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 12 [2024-11-20 07:39:48,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117409650] [2024-11-20 07:39:48,638 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 07:39:48,640 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-20 07:39:48,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 07:39:48,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-20 07:39:48,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-20 07:39:48,643 INFO L87 Difference]: Start difference. First operand 1981 states and 3116 transitions. Second operand has 12 states, 11 states have (on average 12.181818181818182) internal successors, (134), 12 states have internal predecessors, (134), 5 states have call successors, (105), 2 states have call predecessors, (105), 4 states have return successors, (106), 4 states have call predecessors, (106), 5 states have call successors, (106) [2024-11-20 07:39:49,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 07:39:49,538 INFO L93 Difference]: Finished difference Result 2723 states and 4268 transitions. [2024-11-20 07:39:49,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-20 07:39:49,539 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 12.181818181818182) internal successors, (134), 12 states have internal predecessors, (134), 5 states have call successors, (105), 2 states have call predecessors, (105), 4 states have return successors, (106), 4 states have call predecessors, (106), 5 states have call successors, (106) Word has length 298 [2024-11-20 07:39:49,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 07:39:49,544 INFO L225 Difference]: With dead ends: 2723 [2024-11-20 07:39:49,544 INFO L226 Difference]: Without dead ends: 745 [2024-11-20 07:39:49,548 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 701 GetRequests, 678 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=169, Invalid=383, Unknown=0, NotChecked=0, Total=552 [2024-11-20 07:39:49,548 INFO L432 NwaCegarLoop]: 215 mSDtfsCounter, 1178 mSDsluCounter, 513 mSDsCounter, 0 mSdLazyCounter, 475 mSolverCounterSat, 391 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1178 SdHoareTripleChecker+Valid, 728 SdHoareTripleChecker+Invalid, 866 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 391 IncrementalHoareTripleChecker+Valid, 475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-20 07:39:49,549 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1178 Valid, 728 Invalid, 866 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [391 Valid, 475 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-20 07:39:49,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2024-11-20 07:39:49,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 737. [2024-11-20 07:39:49,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 737 states, 657 states have (on average 1.5235920852359208) internal successors, (1001), 659 states have internal predecessors, (1001), 71 states have call successors, (71), 8 states have call predecessors, (71), 8 states have return successors, (71), 69 states have call predecessors, (71), 71 states have call successors, (71) [2024-11-20 07:39:49,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 737 states and 1143 transitions. [2024-11-20 07:39:49,616 INFO L78 Accepts]: Start accepts. Automaton has 737 states and 1143 transitions. Word has length 298 [2024-11-20 07:39:49,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 07:39:49,617 INFO L471 AbstractCegarLoop]: Abstraction has 737 states and 1143 transitions. [2024-11-20 07:39:49,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 12.181818181818182) internal successors, (134), 12 states have internal predecessors, (134), 5 states have call successors, (105), 2 states have call predecessors, (105), 4 states have return successors, (106), 4 states have call predecessors, (106), 5 states have call successors, (106) [2024-11-20 07:39:49,617 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 1143 transitions. [2024-11-20 07:39:49,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2024-11-20 07:39:49,621 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 07:39:49,621 INFO L215 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 07:39:49,633 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-20 07:39:49,822 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 07:39:49,823 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 07:39:49,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 07:39:49,823 INFO L85 PathProgramCache]: Analyzing trace with hash -747348445, now seen corresponding path program 1 times [2024-11-20 07:39:49,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 07:39:49,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643277910] [2024-11-20 07:39:49,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:39:49,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 07:39:50,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:50,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 07:39:50,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:50,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 07:39:50,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:50,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-20 07:39:50,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:50,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 07:39:50,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:50,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-20 07:39:50,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:50,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 07:39:50,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:50,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 07:39:50,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:50,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 07:39:50,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:50,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-20 07:39:50,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:50,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 07:39:50,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:50,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 07:39:50,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:50,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 07:39:50,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:50,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 07:39:50,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:50,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 07:39:50,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:50,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 07:39:50,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:50,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 07:39:50,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:50,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 07:39:50,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:50,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 07:39:50,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:50,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-20 07:39:50,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:50,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 07:39:50,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:50,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-20 07:39:50,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:50,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 07:39:50,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:50,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 07:39:50,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:50,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 07:39:50,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:50,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-20 07:39:50,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:50,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 07:39:50,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:50,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-20 07:39:50,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:50,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 07:39:50,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:50,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-20 07:39:50,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:50,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 07:39:50,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:50,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-20 07:39:50,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:50,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 07:39:50,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:50,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-20 07:39:50,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:50,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-20 07:39:50,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:50,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 07:39:50,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:50,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-20 07:39:50,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:50,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-20 07:39:50,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:50,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-20 07:39:50,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:50,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-20 07:39:50,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:50,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-20 07:39:50,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:50,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-20 07:39:50,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:50,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-20 07:39:50,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:50,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-20 07:39:50,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:50,605 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 63 proven. 63 refuted. 0 times theorem prover too weak. 3486 trivial. 0 not checked. [2024-11-20 07:39:50,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 07:39:50,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643277910] [2024-11-20 07:39:50,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643277910] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 07:39:50,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1133668324] [2024-11-20 07:39:50,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:39:50,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 07:39:50,606 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 07:39:50,608 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 07:39:50,610 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-20 07:39:50,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:50,830 INFO L255 TraceCheckSpWp]: Trace formula consists of 724 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-20 07:39:50,837 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 07:39:51,632 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 2247 proven. 63 refuted. 0 times theorem prover too weak. 1302 trivial. 0 not checked. [2024-11-20 07:39:51,632 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 07:39:52,094 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 63 proven. 63 refuted. 0 times theorem prover too weak. 3486 trivial. 0 not checked. [2024-11-20 07:39:52,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1133668324] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 07:39:52,094 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 07:39:52,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2024-11-20 07:39:52,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434049711] [2024-11-20 07:39:52,095 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 07:39:52,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-20 07:39:52,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 07:39:52,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-20 07:39:52,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-20 07:39:52,099 INFO L87 Difference]: Start difference. First operand 737 states and 1143 transitions. Second operand has 13 states, 13 states have (on average 15.615384615384615) internal successors, (203), 13 states have internal predecessors, (203), 6 states have call successors, (115), 3 states have call predecessors, (115), 6 states have return successors, (115), 6 states have call predecessors, (115), 6 states have call successors, (115) [2024-11-20 07:39:52,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 07:39:52,658 INFO L93 Difference]: Finished difference Result 1325 states and 2064 transitions. [2024-11-20 07:39:52,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-20 07:39:52,660 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 15.615384615384615) internal successors, (203), 13 states have internal predecessors, (203), 6 states have call successors, (115), 3 states have call predecessors, (115), 6 states have return successors, (115), 6 states have call predecessors, (115), 6 states have call successors, (115) Word has length 302 [2024-11-20 07:39:52,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 07:39:52,664 INFO L225 Difference]: With dead ends: 1325 [2024-11-20 07:39:52,664 INFO L226 Difference]: Without dead ends: 591 [2024-11-20 07:39:52,666 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 696 GetRequests, 682 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=85, Invalid=155, Unknown=0, NotChecked=0, Total=240 [2024-11-20 07:39:52,667 INFO L432 NwaCegarLoop]: 222 mSDtfsCounter, 645 mSDsluCounter, 534 mSDsCounter, 0 mSdLazyCounter, 411 mSolverCounterSat, 111 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 666 SdHoareTripleChecker+Valid, 756 SdHoareTripleChecker+Invalid, 522 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 411 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-20 07:39:52,667 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [666 Valid, 756 Invalid, 522 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [111 Valid, 411 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-20 07:39:52,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 591 states. [2024-11-20 07:39:52,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 591 to 585. [2024-11-20 07:39:52,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 585 states, 527 states have (on average 1.537001897533207) internal successors, (810), 528 states have internal predecessors, (810), 50 states have call successors, (50), 7 states have call predecessors, (50), 7 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-20 07:39:52,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 585 states and 910 transitions. [2024-11-20 07:39:52,704 INFO L78 Accepts]: Start accepts. Automaton has 585 states and 910 transitions. Word has length 302 [2024-11-20 07:39:52,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 07:39:52,705 INFO L471 AbstractCegarLoop]: Abstraction has 585 states and 910 transitions. [2024-11-20 07:39:52,705 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 15.615384615384615) internal successors, (203), 13 states have internal predecessors, (203), 6 states have call successors, (115), 3 states have call predecessors, (115), 6 states have return successors, (115), 6 states have call predecessors, (115), 6 states have call successors, (115) [2024-11-20 07:39:52,705 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 910 transitions. [2024-11-20 07:39:52,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2024-11-20 07:39:52,709 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 07:39:52,709 INFO L215 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 07:39:52,719 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-20 07:39:52,909 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-11-20 07:39:52,910 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 07:39:52,911 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 07:39:52,911 INFO L85 PathProgramCache]: Analyzing trace with hash -1674098487, now seen corresponding path program 1 times [2024-11-20 07:39:52,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 07:39:52,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499906952] [2024-11-20 07:39:52,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:39:52,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 07:39:53,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:53,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 07:39:53,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:53,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 07:39:53,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:53,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-20 07:39:53,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:53,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 07:39:53,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:53,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-20 07:39:53,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:53,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 07:39:53,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:53,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 07:39:53,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:53,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 07:39:53,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:53,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-20 07:39:53,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:53,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 07:39:53,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:53,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 07:39:53,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:53,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 07:39:53,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:53,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 07:39:53,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:53,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 07:39:53,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:53,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 07:39:53,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:53,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 07:39:53,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:53,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 07:39:53,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:53,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 07:39:53,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:53,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-20 07:39:53,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:53,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 07:39:53,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:53,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-20 07:39:53,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:53,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 07:39:53,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:53,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 07:39:53,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:53,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 07:39:53,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:53,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-20 07:39:53,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:53,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 07:39:53,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:53,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-20 07:39:53,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:53,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 07:39:53,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:53,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-20 07:39:53,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:53,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 07:39:53,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:53,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-20 07:39:53,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:53,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 07:39:53,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:53,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-20 07:39:53,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:53,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-20 07:39:53,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:53,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 07:39:53,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:53,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-20 07:39:53,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:53,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-20 07:39:53,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:53,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-20 07:39:53,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:53,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-20 07:39:53,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:53,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-20 07:39:53,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:53,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-20 07:39:53,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:53,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-20 07:39:53,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:53,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-20 07:39:53,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:53,466 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2024-11-20 07:39:53,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 07:39:53,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499906952] [2024-11-20 07:39:53,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499906952] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 07:39:53,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 07:39:53,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-20 07:39:53,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647600460] [2024-11-20 07:39:53,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 07:39:53,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 07:39:53,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 07:39:53,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 07:39:53,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-20 07:39:53,469 INFO L87 Difference]: Start difference. First operand 585 states and 910 transitions. Second operand has 6 states, 6 states have (on average 15.0) internal successors, (90), 6 states have internal predecessors, (90), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-20 07:39:53,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 07:39:53,665 INFO L93 Difference]: Finished difference Result 1195 states and 1857 transitions. [2024-11-20 07:39:53,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 07:39:53,666 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.0) internal successors, (90), 6 states have internal predecessors, (90), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) Word has length 302 [2024-11-20 07:39:53,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 07:39:53,670 INFO L225 Difference]: With dead ends: 1195 [2024-11-20 07:39:53,670 INFO L226 Difference]: Without dead ends: 613 [2024-11-20 07:39:53,671 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-20 07:39:53,671 INFO L432 NwaCegarLoop]: 286 mSDtfsCounter, 156 mSDsluCounter, 795 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 1081 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 07:39:53,672 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 1081 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 07:39:53,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 613 states. [2024-11-20 07:39:53,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 613 to 610. [2024-11-20 07:39:53,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 610 states, 537 states have (on average 1.5232774674115457) internal successors, (818), 538 states have internal predecessors, (818), 64 states have call successors, (64), 8 states have call predecessors, (64), 8 states have return successors, (64), 63 states have call predecessors, (64), 64 states have call successors, (64) [2024-11-20 07:39:53,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 610 states and 946 transitions. [2024-11-20 07:39:53,710 INFO L78 Accepts]: Start accepts. Automaton has 610 states and 946 transitions. Word has length 302 [2024-11-20 07:39:53,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 07:39:53,710 INFO L471 AbstractCegarLoop]: Abstraction has 610 states and 946 transitions. [2024-11-20 07:39:53,711 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.0) internal successors, (90), 6 states have internal predecessors, (90), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-20 07:39:53,711 INFO L276 IsEmpty]: Start isEmpty. Operand 610 states and 946 transitions. [2024-11-20 07:39:53,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2024-11-20 07:39:53,714 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 07:39:53,715 INFO L215 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 07:39:53,715 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-20 07:39:53,715 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 07:39:53,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 07:39:53,715 INFO L85 PathProgramCache]: Analyzing trace with hash -1668782551, now seen corresponding path program 1 times [2024-11-20 07:39:53,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 07:39:53,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129303254] [2024-11-20 07:39:53,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:39:53,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 07:39:54,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:54,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 07:39:54,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:54,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 07:39:54,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:54,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-20 07:39:54,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:54,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 07:39:54,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:54,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-20 07:39:54,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:54,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 07:39:54,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:54,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 07:39:54,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:54,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 07:39:54,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:54,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-20 07:39:54,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:54,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 07:39:54,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:54,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 07:39:54,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:54,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 07:39:54,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:54,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 07:39:54,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:54,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 07:39:54,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:54,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 07:39:54,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:54,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 07:39:54,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:54,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 07:39:54,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:54,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 07:39:54,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:54,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-20 07:39:54,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:54,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 07:39:54,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:54,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-20 07:39:54,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:54,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 07:39:54,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:54,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 07:39:54,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:54,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 07:39:54,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:54,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-20 07:39:54,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:54,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 07:39:54,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:54,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-20 07:39:54,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:54,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 07:39:54,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:54,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-20 07:39:54,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:54,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 07:39:54,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:54,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-20 07:39:54,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:54,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 07:39:54,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:54,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-20 07:39:54,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:54,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-20 07:39:54,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:54,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 07:39:54,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:54,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-20 07:39:54,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:54,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-20 07:39:54,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:54,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-20 07:39:54,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:54,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-20 07:39:54,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:54,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-20 07:39:54,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:54,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-20 07:39:54,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:54,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-20 07:39:54,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:54,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-20 07:39:54,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:54,676 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 63 proven. 63 refuted. 0 times theorem prover too weak. 3486 trivial. 0 not checked. [2024-11-20 07:39:54,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 07:39:54,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129303254] [2024-11-20 07:39:54,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1129303254] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 07:39:54,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [926819991] [2024-11-20 07:39:54,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:39:54,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 07:39:54,677 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 07:39:54,679 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 07:39:54,681 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-20 07:39:54,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:54,903 INFO L255 TraceCheckSpWp]: Trace formula consists of 724 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-20 07:39:54,908 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 07:39:55,745 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 2022 proven. 216 refuted. 0 times theorem prover too weak. 1374 trivial. 0 not checked. [2024-11-20 07:39:55,746 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 07:39:56,840 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 144 proven. 225 refuted. 0 times theorem prover too weak. 3243 trivial. 0 not checked. [2024-11-20 07:39:56,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [926819991] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 07:39:56,840 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 07:39:56,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 12, 12] total 25 [2024-11-20 07:39:56,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540434722] [2024-11-20 07:39:56,841 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 07:39:56,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-20 07:39:56,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 07:39:56,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-20 07:39:56,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=471, Unknown=0, NotChecked=0, Total=600 [2024-11-20 07:39:56,848 INFO L87 Difference]: Start difference. First operand 610 states and 946 transitions. Second operand has 25 states, 24 states have (on average 8.75) internal successors, (210), 23 states have internal predecessors, (210), 9 states have call successors, (97), 4 states have call predecessors, (97), 9 states have return successors, (99), 9 states have call predecessors, (99), 9 states have call successors, (99) [2024-11-20 07:40:01,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 07:40:01,130 INFO L93 Difference]: Finished difference Result 2461 states and 3715 transitions. [2024-11-20 07:40:01,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-11-20 07:40:01,131 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 8.75) internal successors, (210), 23 states have internal predecessors, (210), 9 states have call successors, (97), 4 states have call predecessors, (97), 9 states have return successors, (99), 9 states have call predecessors, (99), 9 states have call successors, (99) Word has length 303 [2024-11-20 07:40:01,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 07:40:01,142 INFO L225 Difference]: With dead ends: 2461 [2024-11-20 07:40:01,142 INFO L226 Difference]: Without dead ends: 1854 [2024-11-20 07:40:01,146 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 773 GetRequests, 679 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2923 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=1985, Invalid=7135, Unknown=0, NotChecked=0, Total=9120 [2024-11-20 07:40:01,147 INFO L432 NwaCegarLoop]: 414 mSDtfsCounter, 2685 mSDsluCounter, 2340 mSDsCounter, 0 mSdLazyCounter, 2471 mSolverCounterSat, 952 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2685 SdHoareTripleChecker+Valid, 2754 SdHoareTripleChecker+Invalid, 3423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 952 IncrementalHoareTripleChecker+Valid, 2471 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-20 07:40:01,147 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2685 Valid, 2754 Invalid, 3423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [952 Valid, 2471 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-20 07:40:01,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1854 states. [2024-11-20 07:40:01,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1854 to 965. [2024-11-20 07:40:01,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 965 states, 893 states have (on average 1.520716685330347) internal successors, (1358), 894 states have internal predecessors, (1358), 58 states have call successors, (58), 13 states have call predecessors, (58), 13 states have return successors, (58), 57 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-20 07:40:01,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 965 states to 965 states and 1474 transitions. [2024-11-20 07:40:01,254 INFO L78 Accepts]: Start accepts. Automaton has 965 states and 1474 transitions. Word has length 303 [2024-11-20 07:40:01,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 07:40:01,255 INFO L471 AbstractCegarLoop]: Abstraction has 965 states and 1474 transitions. [2024-11-20 07:40:01,255 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 8.75) internal successors, (210), 23 states have internal predecessors, (210), 9 states have call successors, (97), 4 states have call predecessors, (97), 9 states have return successors, (99), 9 states have call predecessors, (99), 9 states have call successors, (99) [2024-11-20 07:40:01,255 INFO L276 IsEmpty]: Start isEmpty. Operand 965 states and 1474 transitions. [2024-11-20 07:40:01,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2024-11-20 07:40:01,260 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 07:40:01,260 INFO L215 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 07:40:01,272 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-20 07:40:01,464 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 07:40:01,465 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 07:40:01,465 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 07:40:01,466 INFO L85 PathProgramCache]: Analyzing trace with hash 321529765, now seen corresponding path program 1 times [2024-11-20 07:40:01,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 07:40:01,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773095194] [2024-11-20 07:40:01,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:40:01,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 07:40:01,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:03,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 07:40:03,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:03,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 07:40:03,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:03,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-20 07:40:03,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:03,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 07:40:03,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:03,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-20 07:40:03,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:03,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 07:40:03,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:03,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 07:40:03,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:03,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 07:40:03,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:03,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-20 07:40:03,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:03,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 07:40:03,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:03,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 07:40:03,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:03,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 07:40:03,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:03,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 07:40:03,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:03,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 07:40:03,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:03,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 07:40:03,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:03,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 07:40:03,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:03,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 07:40:03,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:03,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 07:40:03,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:03,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-20 07:40:03,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:03,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 07:40:03,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:03,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-20 07:40:03,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:03,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 07:40:03,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:03,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 07:40:03,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:03,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 07:40:03,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:03,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-20 07:40:03,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:03,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 07:40:03,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:03,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-20 07:40:03,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:03,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 07:40:03,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:03,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-20 07:40:03,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:03,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 07:40:03,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:03,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-20 07:40:03,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:03,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 07:40:03,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:03,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-20 07:40:03,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:03,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-20 07:40:03,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:03,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 07:40:03,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:03,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-20 07:40:03,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:03,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-20 07:40:03,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:03,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-20 07:40:03,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:03,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-20 07:40:03,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:03,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-20 07:40:03,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:03,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-20 07:40:03,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:03,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-20 07:40:03,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:03,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-20 07:40:03,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:03,206 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 366 proven. 300 refuted. 0 times theorem prover too weak. 2946 trivial. 0 not checked. [2024-11-20 07:40:03,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 07:40:03,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773095194] [2024-11-20 07:40:03,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773095194] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 07:40:03,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [548601909] [2024-11-20 07:40:03,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:40:03,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 07:40:03,210 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 07:40:03,211 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 07:40:03,214 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-20 07:40:03,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:03,441 INFO L255 TraceCheckSpWp]: Trace formula consists of 721 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-20 07:40:03,447 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 07:40:04,885 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 2381 proven. 300 refuted. 0 times theorem prover too weak. 931 trivial. 0 not checked. [2024-11-20 07:40:04,885 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 07:40:05,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [548601909] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 07:40:05,601 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-20 07:40:05,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 21] total 26 [2024-11-20 07:40:05,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952381897] [2024-11-20 07:40:05,602 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-20 07:40:05,603 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-20 07:40:05,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 07:40:05,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-20 07:40:05,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=322, Invalid=1084, Unknown=0, NotChecked=0, Total=1406 [2024-11-20 07:40:05,605 INFO L87 Difference]: Start difference. First operand 965 states and 1474 transitions. Second operand has 26 states, 24 states have (on average 6.541666666666667) internal successors, (157), 21 states have internal predecessors, (157), 11 states have call successors, (68), 7 states have call predecessors, (68), 9 states have return successors, (68), 11 states have call predecessors, (68), 11 states have call successors, (68) [2024-11-20 07:40:07,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 07:40:07,483 INFO L93 Difference]: Finished difference Result 1893 states and 2782 transitions. [2024-11-20 07:40:07,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-11-20 07:40:07,483 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 24 states have (on average 6.541666666666667) internal successors, (157), 21 states have internal predecessors, (157), 11 states have call successors, (68), 7 states have call predecessors, (68), 9 states have return successors, (68), 11 states have call predecessors, (68), 11 states have call successors, (68) Word has length 303 [2024-11-20 07:40:07,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 07:40:07,489 INFO L225 Difference]: With dead ends: 1893 [2024-11-20 07:40:07,489 INFO L226 Difference]: Without dead ends: 931 [2024-11-20 07:40:07,491 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 625 GetRequests, 565 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 865 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=961, Invalid=2821, Unknown=0, NotChecked=0, Total=3782 [2024-11-20 07:40:07,492 INFO L432 NwaCegarLoop]: 360 mSDtfsCounter, 813 mSDsluCounter, 1548 mSDsCounter, 0 mSdLazyCounter, 1699 mSolverCounterSat, 195 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 831 SdHoareTripleChecker+Valid, 1908 SdHoareTripleChecker+Invalid, 1894 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 195 IncrementalHoareTripleChecker+Valid, 1699 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-20 07:40:07,492 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [831 Valid, 1908 Invalid, 1894 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [195 Valid, 1699 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-20 07:40:07,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 931 states. [2024-11-20 07:40:07,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 931 to 461. [2024-11-20 07:40:07,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 461 states, 384 states have (on average 1.3802083333333333) internal successors, (530), 385 states have internal predecessors, (530), 58 states have call successors, (58), 18 states have call predecessors, (58), 18 states have return successors, (58), 57 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-20 07:40:07,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 461 states and 646 transitions. [2024-11-20 07:40:07,561 INFO L78 Accepts]: Start accepts. Automaton has 461 states and 646 transitions. Word has length 303 [2024-11-20 07:40:07,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 07:40:07,561 INFO L471 AbstractCegarLoop]: Abstraction has 461 states and 646 transitions. [2024-11-20 07:40:07,562 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 24 states have (on average 6.541666666666667) internal successors, (157), 21 states have internal predecessors, (157), 11 states have call successors, (68), 7 states have call predecessors, (68), 9 states have return successors, (68), 11 states have call predecessors, (68), 11 states have call successors, (68) [2024-11-20 07:40:07,562 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 646 transitions. [2024-11-20 07:40:07,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2024-11-20 07:40:07,565 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 07:40:07,565 INFO L215 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 07:40:07,576 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-20 07:40:07,769 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 07:40:07,770 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 07:40:07,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 07:40:07,770 INFO L85 PathProgramCache]: Analyzing trace with hash 67142668, now seen corresponding path program 1 times [2024-11-20 07:40:07,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 07:40:07,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78111485] [2024-11-20 07:40:07,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:40:07,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 07:40:07,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:07,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 07:40:07,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:07,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 07:40:07,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:07,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-20 07:40:07,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:07,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 07:40:07,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:07,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-20 07:40:07,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:07,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 07:40:07,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:07,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 07:40:07,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:07,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 07:40:07,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:07,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-20 07:40:07,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:07,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 07:40:08,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:08,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 07:40:08,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:08,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 07:40:08,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:08,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 07:40:08,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:08,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 07:40:08,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:08,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 07:40:08,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:08,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 07:40:08,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:08,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 07:40:08,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:08,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 07:40:08,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:08,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-20 07:40:08,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:08,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 07:40:08,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:08,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-20 07:40:08,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:08,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 07:40:08,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:08,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 07:40:08,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:08,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 07:40:08,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:08,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-20 07:40:08,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:08,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 07:40:08,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:08,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-20 07:40:08,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:08,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 07:40:08,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:08,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-20 07:40:08,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:08,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 07:40:08,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:08,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-20 07:40:08,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:08,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 07:40:08,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:08,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-20 07:40:08,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:08,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-20 07:40:08,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:08,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 07:40:08,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:08,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-20 07:40:08,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:08,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-20 07:40:08,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:08,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-20 07:40:08,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:08,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-20 07:40:08,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:08,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-20 07:40:08,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:08,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-20 07:40:08,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:08,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-20 07:40:08,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:08,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-20 07:40:08,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:08,053 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2024-11-20 07:40:08,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 07:40:08,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78111485] [2024-11-20 07:40:08,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [78111485] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 07:40:08,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 07:40:08,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 07:40:08,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671751543] [2024-11-20 07:40:08,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 07:40:08,056 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 07:40:08,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 07:40:08,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 07:40:08,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 07:40:08,057 INFO L87 Difference]: Start difference. First operand 461 states and 646 transitions. Second operand has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-20 07:40:08,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 07:40:08,368 INFO L93 Difference]: Finished difference Result 1094 states and 1514 transitions. [2024-11-20 07:40:08,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 07:40:08,369 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) Word has length 305 [2024-11-20 07:40:08,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 07:40:08,373 INFO L225 Difference]: With dead ends: 1094 [2024-11-20 07:40:08,374 INFO L226 Difference]: Without dead ends: 614 [2024-11-20 07:40:08,375 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-20 07:40:08,376 INFO L432 NwaCegarLoop]: 266 mSDtfsCounter, 396 mSDsluCounter, 505 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 174 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 396 SdHoareTripleChecker+Valid, 771 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 174 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 07:40:08,376 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [396 Valid, 771 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [174 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 07:40:08,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 614 states. [2024-11-20 07:40:08,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 614 to 461. [2024-11-20 07:40:08,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 461 states, 384 states have (on average 1.375) internal successors, (528), 385 states have internal predecessors, (528), 58 states have call successors, (58), 18 states have call predecessors, (58), 18 states have return successors, (58), 57 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-20 07:40:08,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 461 states and 644 transitions. [2024-11-20 07:40:08,442 INFO L78 Accepts]: Start accepts. Automaton has 461 states and 644 transitions. Word has length 305 [2024-11-20 07:40:08,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 07:40:08,442 INFO L471 AbstractCegarLoop]: Abstraction has 461 states and 644 transitions. [2024-11-20 07:40:08,443 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-20 07:40:08,443 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 644 transitions. [2024-11-20 07:40:08,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2024-11-20 07:40:08,445 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 07:40:08,445 INFO L215 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 07:40:08,445 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-20 07:40:08,445 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 07:40:08,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 07:40:08,446 INFO L85 PathProgramCache]: Analyzing trace with hash 2031169269, now seen corresponding path program 1 times [2024-11-20 07:40:08,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 07:40:08,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618420201] [2024-11-20 07:40:08,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:40:08,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 07:40:08,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:08,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 07:40:09,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:09,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 07:40:09,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:09,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-20 07:40:09,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:09,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 07:40:09,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:09,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-20 07:40:09,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:09,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 07:40:09,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:09,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 07:40:09,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:09,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 07:40:09,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:09,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-20 07:40:09,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:09,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 07:40:09,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:09,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 07:40:09,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:09,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 07:40:09,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:09,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 07:40:09,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:09,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 07:40:09,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:09,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 07:40:09,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:09,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 07:40:09,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:09,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 07:40:09,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:09,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 07:40:09,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:09,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-20 07:40:09,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:09,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 07:40:09,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:09,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-20 07:40:09,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:09,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 07:40:09,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:09,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 07:40:09,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:09,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 07:40:09,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:09,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-20 07:40:09,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:09,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 07:40:09,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:09,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-20 07:40:09,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:09,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 07:40:09,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:09,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-20 07:40:09,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:09,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 07:40:09,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:09,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-20 07:40:09,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:09,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 07:40:09,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:09,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-20 07:40:09,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:09,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-20 07:40:09,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:09,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 07:40:09,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:09,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-20 07:40:09,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:09,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-20 07:40:09,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:09,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-20 07:40:09,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:09,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-20 07:40:09,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:09,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-20 07:40:09,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:09,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-20 07:40:09,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:09,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-20 07:40:09,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:09,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-20 07:40:09,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:09,094 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 93 proven. 33 refuted. 0 times theorem prover too weak. 3486 trivial. 0 not checked. [2024-11-20 07:40:09,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 07:40:09,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618420201] [2024-11-20 07:40:09,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618420201] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 07:40:09,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1665538876] [2024-11-20 07:40:09,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:40:09,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 07:40:09,096 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 07:40:09,098 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 07:40:09,100 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-20 07:40:09,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:09,313 INFO L255 TraceCheckSpWp]: Trace formula consists of 726 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-20 07:40:09,318 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 07:40:09,741 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 2269 proven. 33 refuted. 0 times theorem prover too weak. 1310 trivial. 0 not checked. [2024-11-20 07:40:09,741 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 07:40:10,077 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 93 proven. 33 refuted. 0 times theorem prover too weak. 3486 trivial. 0 not checked. [2024-11-20 07:40:10,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1665538876] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 07:40:10,078 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 07:40:10,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2024-11-20 07:40:10,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241540719] [2024-11-20 07:40:10,078 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 07:40:10,079 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-20 07:40:10,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 07:40:10,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-20 07:40:10,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2024-11-20 07:40:10,080 INFO L87 Difference]: Start difference. First operand 461 states and 644 transitions. Second operand has 13 states, 13 states have (on average 15.307692307692308) internal successors, (199), 13 states have internal predecessors, (199), 6 states have call successors, (111), 3 states have call predecessors, (111), 6 states have return successors, (111), 6 states have call predecessors, (111), 6 states have call successors, (111) [2024-11-20 07:40:10,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 07:40:10,505 INFO L93 Difference]: Finished difference Result 929 states and 1294 transitions. [2024-11-20 07:40:10,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-20 07:40:10,506 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 15.307692307692308) internal successors, (199), 13 states have internal predecessors, (199), 6 states have call successors, (111), 3 states have call predecessors, (111), 6 states have return successors, (111), 6 states have call predecessors, (111), 6 states have call successors, (111) Word has length 306 [2024-11-20 07:40:10,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 07:40:10,512 INFO L225 Difference]: With dead ends: 929 [2024-11-20 07:40:10,512 INFO L226 Difference]: Without dead ends: 471 [2024-11-20 07:40:10,513 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 704 GetRequests, 690 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=154, Unknown=0, NotChecked=0, Total=240 [2024-11-20 07:40:10,514 INFO L432 NwaCegarLoop]: 196 mSDtfsCounter, 445 mSDsluCounter, 459 mSDsCounter, 0 mSdLazyCounter, 428 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 476 SdHoareTripleChecker+Valid, 655 SdHoareTripleChecker+Invalid, 515 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 07:40:10,514 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [476 Valid, 655 Invalid, 515 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 428 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 07:40:10,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2024-11-20 07:40:10,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 465. [2024-11-20 07:40:10,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 465 states, 387 states have (on average 1.351421188630491) internal successors, (523), 388 states have internal predecessors, (523), 58 states have call successors, (58), 19 states have call predecessors, (58), 19 states have return successors, (58), 57 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-20 07:40:10,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 639 transitions. [2024-11-20 07:40:10,579 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 639 transitions. Word has length 306 [2024-11-20 07:40:10,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 07:40:10,580 INFO L471 AbstractCegarLoop]: Abstraction has 465 states and 639 transitions. [2024-11-20 07:40:10,580 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 15.307692307692308) internal successors, (199), 13 states have internal predecessors, (199), 6 states have call successors, (111), 3 states have call predecessors, (111), 6 states have return successors, (111), 6 states have call predecessors, (111), 6 states have call successors, (111) [2024-11-20 07:40:10,580 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 639 transitions. [2024-11-20 07:40:10,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2024-11-20 07:40:10,582 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 07:40:10,582 INFO L215 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 07:40:10,592 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-20 07:40:10,783 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-20 07:40:10,783 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 07:40:10,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 07:40:10,784 INFO L85 PathProgramCache]: Analyzing trace with hash -242606859, now seen corresponding path program 1 times [2024-11-20 07:40:10,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 07:40:10,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363568264] [2024-11-20 07:40:10,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:40:10,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 07:40:11,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:12,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 07:40:12,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:12,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 07:40:12,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:12,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-20 07:40:12,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:12,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 07:40:12,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:12,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-20 07:40:12,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:12,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 07:40:12,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:12,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 07:40:12,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:12,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 07:40:12,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:12,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-20 07:40:12,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:12,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 07:40:12,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:12,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 07:40:12,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:12,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 07:40:12,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:12,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 07:40:12,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:12,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 07:40:12,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:12,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 07:40:12,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:12,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 07:40:12,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:12,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 07:40:12,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:12,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 07:40:12,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:12,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-20 07:40:12,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:12,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 07:40:12,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:12,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-20 07:40:12,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:12,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 07:40:12,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:12,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 07:40:12,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:12,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 07:40:12,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:12,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-20 07:40:12,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:12,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 07:40:12,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:12,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-20 07:40:12,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:12,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 07:40:12,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:12,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-20 07:40:12,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:12,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 07:40:12,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:12,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-20 07:40:12,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:12,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 07:40:12,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:12,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-20 07:40:12,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:12,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-20 07:40:12,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:12,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 07:40:12,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:12,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-20 07:40:12,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:12,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-20 07:40:12,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:12,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-20 07:40:12,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:12,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-20 07:40:12,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:12,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-20 07:40:12,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:12,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-20 07:40:12,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:12,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-20 07:40:12,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:12,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-20 07:40:12,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:12,595 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 189 proven. 171 refuted. 0 times theorem prover too weak. 3252 trivial. 0 not checked. [2024-11-20 07:40:12,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 07:40:12,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363568264] [2024-11-20 07:40:12,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1363568264] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 07:40:12,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [106946745] [2024-11-20 07:40:12,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:40:12,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 07:40:12,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 07:40:12,599 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 07:40:12,600 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-20 07:40:12,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:12,838 INFO L255 TraceCheckSpWp]: Trace formula consists of 727 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-20 07:40:12,844 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 07:40:14,155 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 2737 proven. 240 refuted. 0 times theorem prover too weak. 635 trivial. 0 not checked. [2024-11-20 07:40:14,155 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 07:40:15,388 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 228 proven. 258 refuted. 0 times theorem prover too weak. 3126 trivial. 0 not checked. [2024-11-20 07:40:15,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [106946745] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 07:40:15,388 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 07:40:15,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 16, 16] total 40 [2024-11-20 07:40:15,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050134910] [2024-11-20 07:40:15,388 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 07:40:15,389 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2024-11-20 07:40:15,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 07:40:15,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2024-11-20 07:40:15,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=323, Invalid=1237, Unknown=0, NotChecked=0, Total=1560 [2024-11-20 07:40:15,391 INFO L87 Difference]: Start difference. First operand 465 states and 639 transitions. Second operand has 40 states, 38 states have (on average 6.184210526315789) internal successors, (235), 38 states have internal predecessors, (235), 15 states have call successors, (111), 6 states have call predecessors, (111), 14 states have return successors, (111), 14 states have call predecessors, (111), 15 states have call successors, (111) [2024-11-20 07:40:19,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 07:40:19,484 INFO L93 Difference]: Finished difference Result 2151 states and 2972 transitions. [2024-11-20 07:40:19,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-11-20 07:40:19,485 INFO L78 Accepts]: Start accepts. Automaton has has 40 states, 38 states have (on average 6.184210526315789) internal successors, (235), 38 states have internal predecessors, (235), 15 states have call successors, (111), 6 states have call predecessors, (111), 14 states have return successors, (111), 14 states have call predecessors, (111), 15 states have call successors, (111) Word has length 307 [2024-11-20 07:40:19,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 07:40:19,493 INFO L225 Difference]: With dead ends: 2151 [2024-11-20 07:40:19,493 INFO L226 Difference]: Without dead ends: 1689 [2024-11-20 07:40:19,498 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 778 GetRequests, 683 SyntacticMatches, 0 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2476 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=2324, Invalid=6988, Unknown=0, NotChecked=0, Total=9312 [2024-11-20 07:40:19,499 INFO L432 NwaCegarLoop]: 306 mSDtfsCounter, 2636 mSDsluCounter, 2012 mSDsCounter, 0 mSdLazyCounter, 2949 mSolverCounterSat, 712 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2651 SdHoareTripleChecker+Valid, 2318 SdHoareTripleChecker+Invalid, 3661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 712 IncrementalHoareTripleChecker+Valid, 2949 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-20 07:40:19,499 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2651 Valid, 2318 Invalid, 3661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [712 Valid, 2949 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-20 07:40:19,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1689 states. [2024-11-20 07:40:19,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1689 to 733. [2024-11-20 07:40:19,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 733 states, 643 states have (on average 1.3872472783825816) internal successors, (892), 645 states have internal predecessors, (892), 67 states have call successors, (67), 22 states have call predecessors, (67), 22 states have return successors, (67), 65 states have call predecessors, (67), 67 states have call successors, (67) [2024-11-20 07:40:19,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 733 states and 1026 transitions. [2024-11-20 07:40:19,680 INFO L78 Accepts]: Start accepts. Automaton has 733 states and 1026 transitions. Word has length 307 [2024-11-20 07:40:19,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 07:40:19,681 INFO L471 AbstractCegarLoop]: Abstraction has 733 states and 1026 transitions. [2024-11-20 07:40:19,681 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 38 states have (on average 6.184210526315789) internal successors, (235), 38 states have internal predecessors, (235), 15 states have call successors, (111), 6 states have call predecessors, (111), 14 states have return successors, (111), 14 states have call predecessors, (111), 15 states have call successors, (111) [2024-11-20 07:40:19,681 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 1026 transitions. [2024-11-20 07:40:19,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2024-11-20 07:40:19,684 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 07:40:19,685 INFO L215 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 07:40:19,696 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-20 07:40:19,893 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 07:40:19,894 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 07:40:19,894 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 07:40:19,895 INFO L85 PathProgramCache]: Analyzing trace with hash -723687117, now seen corresponding path program 1 times [2024-11-20 07:40:19,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 07:40:19,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832278839] [2024-11-20 07:40:19,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:40:19,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 07:40:20,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 07:40:20,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2082814681] [2024-11-20 07:40:20,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:40:20,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 07:40:20,316 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 07:40:20,318 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 07:40:20,319 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-20 07:40:20,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:20,685 INFO L255 TraceCheckSpWp]: Trace formula consists of 727 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-20 07:40:20,694 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 07:40:37,773 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 2039 proven. 372 refuted. 0 times theorem prover too weak. 1201 trivial. 0 not checked. [2024-11-20 07:40:37,774 INFO L311 TraceCheckSpWp]: Computing backward predicates...