./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/fibo_2calls_8-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/recursive-simple/fibo_2calls_8-1.c -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 50f60fa428d099767eedeaaecff58f84e68d960030ff43c7eae2dbdfbde6f992 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-09 23:22:04,091 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 23:22:04,161 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-09 23:22:04,167 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 23:22:04,168 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 23:22:04,191 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 23:22:04,193 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 23:22:04,193 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 23:22:04,194 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 23:22:04,197 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 23:22:04,197 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 23:22:04,197 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 23:22:04,198 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 23:22:04,198 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 23:22:04,198 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 23:22:04,198 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 23:22:04,200 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 23:22:04,200 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 23:22:04,200 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 23:22:04,201 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 23:22:04,201 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 23:22:04,201 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 23:22:04,201 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 23:22:04,202 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 23:22:04,202 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 23:22:04,202 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 23:22:04,202 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 23:22:04,202 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 23:22:04,203 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-09 23:22:04,203 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 23:22:04,203 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 23:22:04,203 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 23:22:04,204 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 23:22:04,204 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 23:22:04,204 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 23:22:04,204 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 23:22:04,205 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 23:22:04,205 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 23:22:04,205 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 23:22:04,205 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 23:22:04,205 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 23:22:04,206 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 23:22:04,206 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 50f60fa428d099767eedeaaecff58f84e68d960030ff43c7eae2dbdfbde6f992 [2024-11-09 23:22:04,396 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 23:22:04,414 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 23:22:04,416 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 23:22:04,417 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 23:22:04,417 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 23:22:04,418 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/fibo_2calls_8-1.c [2024-11-09 23:22:05,697 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 23:22:05,863 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 23:22:05,864 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_2calls_8-1.c [2024-11-09 23:22:05,869 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de427c075/5facfe1239bc49a59b947d43df2f4c25/FLAG6975ea00e [2024-11-09 23:22:06,291 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de427c075/5facfe1239bc49a59b947d43df2f4c25 [2024-11-09 23:22:06,293 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 23:22:06,294 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 23:22:06,295 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 23:22:06,295 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 23:22:06,300 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 23:22:06,301 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:22:06" (1/1) ... [2024-11-09 23:22:06,301 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32ed328e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:22:06, skipping insertion in model container [2024-11-09 23:22:06,302 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:22:06" (1/1) ... [2024-11-09 23:22:06,316 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 23:22:06,444 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/recursive-simple/fibo_2calls_8-1.c[947,960] [2024-11-09 23:22:06,449 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 23:22:06,458 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 23:22:06,473 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/recursive-simple/fibo_2calls_8-1.c[947,960] [2024-11-09 23:22:06,475 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 23:22:06,495 INFO L204 MainTranslator]: Completed translation [2024-11-09 23:22:06,495 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:22:06 WrapperNode [2024-11-09 23:22:06,496 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 23:22:06,497 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 23:22:06,497 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 23:22:06,497 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 23:22:06,503 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:22:06" (1/1) ... [2024-11-09 23:22:06,508 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:22:06" (1/1) ... [2024-11-09 23:22:06,520 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 20 [2024-11-09 23:22:06,521 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 23:22:06,522 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 23:22:06,522 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 23:22:06,522 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 23:22:06,529 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:22:06" (1/1) ... [2024-11-09 23:22:06,530 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:22:06" (1/1) ... [2024-11-09 23:22:06,531 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:22:06" (1/1) ... [2024-11-09 23:22:06,541 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]. [2024-11-09 23:22:06,541 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:22:06" (1/1) ... [2024-11-09 23:22:06,541 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:22:06" (1/1) ... [2024-11-09 23:22:06,543 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:22:06" (1/1) ... [2024-11-09 23:22:06,543 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:22:06" (1/1) ... [2024-11-09 23:22:06,544 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:22:06" (1/1) ... [2024-11-09 23:22:06,544 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:22:06" (1/1) ... [2024-11-09 23:22:06,545 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 23:22:06,546 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-09 23:22:06,546 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-09 23:22:06,546 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-09 23:22:06,548 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:22:06" (1/1) ... [2024-11-09 23:22:06,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 23:22:06,564 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 23:22:06,577 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) [2024-11-09 23:22:06,580 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 [2024-11-09 23:22:06,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 23:22:06,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 23:22:06,629 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2024-11-09 23:22:06,629 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2024-11-09 23:22:06,629 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2024-11-09 23:22:06,629 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2024-11-09 23:22:06,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 23:22:06,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 23:22:06,683 INFO L256 CfgBuilder]: Building ICFG [2024-11-09 23:22:06,684 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 23:22:06,760 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L25: havoc #t~ret6;havoc #t~ret7; [2024-11-09 23:22:06,774 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L15: havoc #t~ret4;havoc #t~ret5; [2024-11-09 23:22:06,782 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-09 23:22:06,782 INFO L307 CfgBuilder]: Performing block encoding [2024-11-09 23:22:06,796 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 23:22:06,796 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 23:22:06,796 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 11:22:06 BoogieIcfgContainer [2024-11-09 23:22:06,796 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-09 23:22:06,798 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 23:22:06,801 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 23:22:06,804 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 23:22:06,805 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 11:22:06" (1/3) ... [2024-11-09 23:22:06,806 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1325cdee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:22:06, skipping insertion in model container [2024-11-09 23:22:06,806 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:22:06" (2/3) ... [2024-11-09 23:22:06,806 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1325cdee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:22:06, skipping insertion in model container [2024-11-09 23:22:06,806 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 11:22:06" (3/3) ... [2024-11-09 23:22:06,807 INFO L112 eAbstractionObserver]: Analyzing ICFG fibo_2calls_8-1.c [2024-11-09 23:22:06,821 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 23:22:06,821 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 23:22:06,882 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 23:22:06,889 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;@2040eb0e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 23:22:06,890 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 23:22:06,893 INFO L276 IsEmpty]: Start isEmpty. Operand has 31 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 23 states have internal predecessors, (28), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 23:22:06,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 23:22:06,901 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:22:06,905 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:22:06,905 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:22:06,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:22:06,913 INFO L85 PathProgramCache]: Analyzing trace with hash -1889766502, now seen corresponding path program 1 times [2024-11-09 23:22:06,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:22:06,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676880522] [2024-11-09 23:22:06,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:22:06,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:22:06,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:07,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 23:22:07,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:07,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:22:07,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:22:07,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676880522] [2024-11-09 23:22:07,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676880522] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:22:07,157 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:22:07,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 23:22:07,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625877333] [2024-11-09 23:22:07,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:22:07,164 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 23:22:07,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:22:07,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 23:22:07,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 23:22:07,186 INFO L87 Difference]: Start difference. First operand has 31 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 23 states have internal predecessors, (28), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 23:22:07,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:22:07,246 INFO L93 Difference]: Finished difference Result 44 states and 55 transitions. [2024-11-09 23:22:07,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 23:22:07,249 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2024-11-09 23:22:07,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:22:07,254 INFO L225 Difference]: With dead ends: 44 [2024-11-09 23:22:07,254 INFO L226 Difference]: Without dead ends: 30 [2024-11-09 23:22:07,256 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 23:22:07,258 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 11 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:22:07,259 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 100 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:22:07,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2024-11-09 23:22:07,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 28. [2024-11-09 23:22:07,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 20 states have internal predecessors, (23), 5 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (7), 5 states have call predecessors, (7), 5 states have call successors, (7) [2024-11-09 23:22:07,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 35 transitions. [2024-11-09 23:22:07,293 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 35 transitions. Word has length 11 [2024-11-09 23:22:07,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:22:07,294 INFO L471 AbstractCegarLoop]: Abstraction has 28 states and 35 transitions. [2024-11-09 23:22:07,294 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 23:22:07,294 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-09 23:22:07,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-09 23:22:07,295 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:22:07,295 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:22:07,296 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 23:22:07,296 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:22:07,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:22:07,296 INFO L85 PathProgramCache]: Analyzing trace with hash -1119543594, now seen corresponding path program 1 times [2024-11-09 23:22:07,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:22:07,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420042009] [2024-11-09 23:22:07,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:22:07,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:22:07,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:07,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 23:22:07,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:07,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:22:07,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:22:07,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420042009] [2024-11-09 23:22:07,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1420042009] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:22:07,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:22:07,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 23:22:07,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570429456] [2024-11-09 23:22:07,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:22:07,370 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 23:22:07,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:22:07,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 23:22:07,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 23:22:07,372 INFO L87 Difference]: Start difference. First operand 28 states and 35 transitions. Second operand has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 23:22:07,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:22:07,411 INFO L93 Difference]: Finished difference Result 35 states and 43 transitions. [2024-11-09 23:22:07,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 23:22:07,412 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2024-11-09 23:22:07,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:22:07,413 INFO L225 Difference]: With dead ends: 35 [2024-11-09 23:22:07,413 INFO L226 Difference]: Without dead ends: 30 [2024-11-09 23:22:07,413 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 23:22:07,414 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 8 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:22:07,415 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 83 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:22:07,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2024-11-09 23:22:07,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 28. [2024-11-09 23:22:07,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 20 states have internal predecessors, (23), 5 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (7), 5 states have call predecessors, (7), 5 states have call successors, (7) [2024-11-09 23:22:07,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 35 transitions. [2024-11-09 23:22:07,421 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 35 transitions. Word has length 12 [2024-11-09 23:22:07,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:22:07,421 INFO L471 AbstractCegarLoop]: Abstraction has 28 states and 35 transitions. [2024-11-09 23:22:07,421 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 23:22:07,421 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-09 23:22:07,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-09 23:22:07,422 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:22:07,422 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:22:07,423 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 23:22:07,423 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:22:07,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:22:07,424 INFO L85 PathProgramCache]: Analyzing trace with hash 2127390698, now seen corresponding path program 1 times [2024-11-09 23:22:07,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:22:07,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66367008] [2024-11-09 23:22:07,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:22:07,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:22:07,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:07,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 23:22:07,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:07,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:07,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:07,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 23:22:07,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:07,546 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 23:22:07,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:22:07,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66367008] [2024-11-09 23:22:07,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [66367008] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 23:22:07,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1358907737] [2024-11-09 23:22:07,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:22:07,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:22:07,548 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 23:22:07,551 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) [2024-11-09 23:22:07,552 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 23:22:07,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:07,602 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 23:22:07,606 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 23:22:07,735 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 23:22:07,736 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 23:22:07,923 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 23:22:07,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1358907737] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 23:22:07,925 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 23:22:07,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 7] total 13 [2024-11-09 23:22:07,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258640819] [2024-11-09 23:22:07,925 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 23:22:07,926 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 23:22:07,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:22:07,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 23:22:07,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2024-11-09 23:22:07,927 INFO L87 Difference]: Start difference. First operand 28 states and 35 transitions. Second operand has 13 states, 10 states have (on average 3.3) internal successors, (33), 13 states have internal predecessors, (33), 8 states have call successors, (8), 1 states have call predecessors, (8), 4 states have return successors, (8), 2 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 23:22:08,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:22:08,050 INFO L93 Difference]: Finished difference Result 57 states and 77 transitions. [2024-11-09 23:22:08,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 23:22:08,051 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 10 states have (on average 3.3) internal successors, (33), 13 states have internal predecessors, (33), 8 states have call successors, (8), 1 states have call predecessors, (8), 4 states have return successors, (8), 2 states have call predecessors, (8), 8 states have call successors, (8) Word has length 24 [2024-11-09 23:22:08,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:22:08,052 INFO L225 Difference]: With dead ends: 57 [2024-11-09 23:22:08,052 INFO L226 Difference]: Without dead ends: 32 [2024-11-09 23:22:08,053 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 46 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2024-11-09 23:22:08,054 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 26 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 23:22:08,056 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 154 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 23:22:08,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2024-11-09 23:22:08,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 30. [2024-11-09 23:22:08,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 20 states have (on average 1.2) internal successors, (24), 22 states have internal predecessors, (24), 5 states have call successors, (5), 2 states have call predecessors, (5), 4 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) [2024-11-09 23:22:08,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2024-11-09 23:22:08,062 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 24 [2024-11-09 23:22:08,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:22:08,062 INFO L471 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2024-11-09 23:22:08,062 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 10 states have (on average 3.3) internal successors, (33), 13 states have internal predecessors, (33), 8 states have call successors, (8), 1 states have call predecessors, (8), 4 states have return successors, (8), 2 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 23:22:08,062 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2024-11-09 23:22:08,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 23:22:08,063 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:22:08,063 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:22:08,076 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 23:22:08,267 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:22:08,268 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:22:08,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:22:08,269 INFO L85 PathProgramCache]: Analyzing trace with hash -2059978289, now seen corresponding path program 1 times [2024-11-09 23:22:08,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:22:08,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646168373] [2024-11-09 23:22:08,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:22:08,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:22:08,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:08,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 23:22:08,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:08,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:08,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:08,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:08,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:08,411 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 23:22:08,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:22:08,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646168373] [2024-11-09 23:22:08,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1646168373] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 23:22:08,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1563327519] [2024-11-09 23:22:08,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:22:08,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:22:08,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 23:22:08,416 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) [2024-11-09 23:22:08,423 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 23:22:08,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:08,463 INFO L255 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 23:22:08,464 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 23:22:08,515 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 23:22:08,515 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 23:22:08,663 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 23:22:08,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1563327519] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 23:22:08,664 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 23:22:08,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 13 [2024-11-09 23:22:08,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210969322] [2024-11-09 23:22:08,665 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 23:22:08,665 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 23:22:08,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:22:08,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 23:22:08,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2024-11-09 23:22:08,666 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand has 13 states, 11 states have (on average 3.0) internal successors, (33), 13 states have internal predecessors, (33), 7 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-09 23:22:08,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:22:08,791 INFO L93 Difference]: Finished difference Result 55 states and 76 transitions. [2024-11-09 23:22:08,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 23:22:08,792 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 3.0) internal successors, (33), 13 states have internal predecessors, (33), 7 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 7 states have call successors, (7) Word has length 25 [2024-11-09 23:22:08,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:22:08,799 INFO L225 Difference]: With dead ends: 55 [2024-11-09 23:22:08,799 INFO L226 Difference]: Without dead ends: 50 [2024-11-09 23:22:08,799 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 48 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2024-11-09 23:22:08,800 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 37 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 23:22:08,800 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 116 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 23:22:08,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-11-09 23:22:08,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 48. [2024-11-09 23:22:08,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 32 states have (on average 1.25) internal successors, (40), 34 states have internal predecessors, (40), 9 states have call successors, (9), 4 states have call predecessors, (9), 6 states have return successors, (17), 9 states have call predecessors, (17), 9 states have call successors, (17) [2024-11-09 23:22:08,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 66 transitions. [2024-11-09 23:22:08,808 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 66 transitions. Word has length 25 [2024-11-09 23:22:08,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:22:08,808 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 66 transitions. [2024-11-09 23:22:08,808 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 3.0) internal successors, (33), 13 states have internal predecessors, (33), 7 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-09 23:22:08,808 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 66 transitions. [2024-11-09 23:22:08,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-09 23:22:08,809 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:22:08,810 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:22:08,824 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-09 23:22:09,013 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,SelfDestructingSolverStorable3 [2024-11-09 23:22:09,014 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:22:09,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:22:09,015 INFO L85 PathProgramCache]: Analyzing trace with hash -747014037, now seen corresponding path program 1 times [2024-11-09 23:22:09,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:22:09,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56206035] [2024-11-09 23:22:09,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:22:09,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:22:09,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:09,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 23:22:09,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:09,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:09,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:09,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:09,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:09,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 23:22:09,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:09,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 23:22:09,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:09,098 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 23:22:09,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:22:09,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56206035] [2024-11-09 23:22:09,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56206035] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 23:22:09,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [604443649] [2024-11-09 23:22:09,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:22:09,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:22:09,099 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 23:22:09,105 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) [2024-11-09 23:22:09,109 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 23:22:09,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:09,141 INFO L255 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 23:22:09,142 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 23:22:09,199 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 23:22:09,199 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 23:22:09,436 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 23:22:09,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [604443649] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 23:22:09,437 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 23:22:09,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8, 9] total 15 [2024-11-09 23:22:09,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771342758] [2024-11-09 23:22:09,437 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 23:22:09,438 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-09 23:22:09,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:22:09,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-09 23:22:09,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2024-11-09 23:22:09,439 INFO L87 Difference]: Start difference. First operand 48 states and 66 transitions. Second operand has 15 states, 12 states have (on average 4.0) internal successors, (48), 15 states have internal predecessors, (48), 11 states have call successors, (13), 1 states have call predecessors, (13), 5 states have return successors, (13), 3 states have call predecessors, (13), 11 states have call successors, (13) [2024-11-09 23:22:09,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:22:09,611 INFO L93 Difference]: Finished difference Result 111 states and 179 transitions. [2024-11-09 23:22:09,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-09 23:22:09,611 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 12 states have (on average 4.0) internal successors, (48), 15 states have internal predecessors, (48), 11 states have call successors, (13), 1 states have call predecessors, (13), 5 states have return successors, (13), 3 states have call predecessors, (13), 11 states have call successors, (13) Word has length 37 [2024-11-09 23:22:09,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:22:09,612 INFO L225 Difference]: With dead ends: 111 [2024-11-09 23:22:09,613 INFO L226 Difference]: Without dead ends: 66 [2024-11-09 23:22:09,613 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 77 SyntacticMatches, 3 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=84, Invalid=336, Unknown=0, NotChecked=0, Total=420 [2024-11-09 23:22:09,614 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 45 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 23:22:09,614 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 157 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 23:22:09,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2024-11-09 23:22:09,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 64. [2024-11-09 23:22:09,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 42 states have (on average 1.2380952380952381) internal successors, (52), 45 states have internal predecessors, (52), 12 states have call successors, (12), 5 states have call predecessors, (12), 9 states have return successors, (29), 13 states have call predecessors, (29), 12 states have call successors, (29) [2024-11-09 23:22:09,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 93 transitions. [2024-11-09 23:22:09,627 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 93 transitions. Word has length 37 [2024-11-09 23:22:09,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:22:09,627 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 93 transitions. [2024-11-09 23:22:09,628 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 12 states have (on average 4.0) internal successors, (48), 15 states have internal predecessors, (48), 11 states have call successors, (13), 1 states have call predecessors, (13), 5 states have return successors, (13), 3 states have call predecessors, (13), 11 states have call successors, (13) [2024-11-09 23:22:09,628 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 93 transitions. [2024-11-09 23:22:09,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-09 23:22:09,629 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:22:09,629 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:22:09,643 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-09 23:22:09,834 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:22:09,835 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:22:09,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:22:09,835 INFO L85 PathProgramCache]: Analyzing trace with hash 335870733, now seen corresponding path program 1 times [2024-11-09 23:22:09,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:22:09,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405760543] [2024-11-09 23:22:09,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:22:09,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:22:09,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:09,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 23:22:09,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:09,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:09,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:09,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:09,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:09,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:09,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:09,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 23:22:09,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:09,992 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-09 23:22:09,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:22:09,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405760543] [2024-11-09 23:22:09,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [405760543] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 23:22:09,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1933771593] [2024-11-09 23:22:09,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:22:09,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:22:09,993 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 23:22:09,994 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) [2024-11-09 23:22:09,998 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 23:22:10,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:10,038 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 23:22:10,039 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 23:22:10,109 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 23:22:10,110 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 23:22:10,385 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 23:22:10,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1933771593] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 23:22:10,386 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 23:22:10,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 9] total 18 [2024-11-09 23:22:10,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167874355] [2024-11-09 23:22:10,387 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 23:22:10,387 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-09 23:22:10,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:22:10,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-09 23:22:10,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=251, Unknown=0, NotChecked=0, Total=306 [2024-11-09 23:22:10,389 INFO L87 Difference]: Start difference. First operand 64 states and 93 transitions. Second operand has 18 states, 16 states have (on average 3.1875) internal successors, (51), 18 states have internal predecessors, (51), 11 states have call successors, (13), 1 states have call predecessors, (13), 7 states have return successors, (13), 6 states have call predecessors, (13), 11 states have call successors, (13) [2024-11-09 23:22:10,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:22:10,654 INFO L93 Difference]: Finished difference Result 181 states and 327 transitions. [2024-11-09 23:22:10,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 23:22:10,654 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 16 states have (on average 3.1875) internal successors, (51), 18 states have internal predecessors, (51), 11 states have call successors, (13), 1 states have call predecessors, (13), 7 states have return successors, (13), 6 states have call predecessors, (13), 11 states have call successors, (13) Word has length 38 [2024-11-09 23:22:10,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:22:10,656 INFO L225 Difference]: With dead ends: 181 [2024-11-09 23:22:10,656 INFO L226 Difference]: Without dead ends: 120 [2024-11-09 23:22:10,658 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 79 SyntacticMatches, 3 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=105, Invalid=447, Unknown=0, NotChecked=0, Total=552 [2024-11-09 23:22:10,658 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 30 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 321 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 23:22:10,658 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 274 Invalid, 347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 321 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 23:22:10,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-11-09 23:22:10,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 101. [2024-11-09 23:22:10,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 65 states have (on average 1.2153846153846153) internal successors, (79), 68 states have internal predecessors, (79), 21 states have call successors, (21), 7 states have call predecessors, (21), 14 states have return successors, (63), 25 states have call predecessors, (63), 21 states have call successors, (63) [2024-11-09 23:22:10,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 163 transitions. [2024-11-09 23:22:10,673 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 163 transitions. Word has length 38 [2024-11-09 23:22:10,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:22:10,673 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 163 transitions. [2024-11-09 23:22:10,673 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 16 states have (on average 3.1875) internal successors, (51), 18 states have internal predecessors, (51), 11 states have call successors, (13), 1 states have call predecessors, (13), 7 states have return successors, (13), 6 states have call predecessors, (13), 11 states have call successors, (13) [2024-11-09 23:22:10,673 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 163 transitions. [2024-11-09 23:22:10,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-09 23:22:10,675 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:22:10,675 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:22:10,688 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-09 23:22:10,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:22:10,876 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:22:10,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:22:10,876 INFO L85 PathProgramCache]: Analyzing trace with hash -37020151, now seen corresponding path program 1 times [2024-11-09 23:22:10,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:22:10,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842377343] [2024-11-09 23:22:10,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:22:10,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:22:10,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:10,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 23:22:10,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:10,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:10,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:10,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:10,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:11,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:11,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:11,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:11,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:11,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 23:22:11,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:11,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-09 23:22:11,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:11,042 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-09 23:22:11,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:22:11,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842377343] [2024-11-09 23:22:11,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842377343] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 23:22:11,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [406002350] [2024-11-09 23:22:11,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:22:11,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:22:11,043 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 23:22:11,044 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) [2024-11-09 23:22:11,048 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 23:22:11,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:11,089 INFO L255 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 23:22:11,090 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 23:22:11,159 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 4 proven. 23 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-09 23:22:11,159 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 23:22:11,559 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 4 proven. 28 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 23:22:11,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [406002350] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 23:22:11,560 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 23:22:11,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 11] total 20 [2024-11-09 23:22:11,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457402094] [2024-11-09 23:22:11,561 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 23:22:11,561 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-09 23:22:11,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:22:11,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-09 23:22:11,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=312, Unknown=0, NotChecked=0, Total=380 [2024-11-09 23:22:11,562 INFO L87 Difference]: Start difference. First operand 101 states and 163 transitions. Second operand has 20 states, 18 states have (on average 3.388888888888889) internal successors, (61), 20 states have internal predecessors, (61), 14 states have call successors, (16), 1 states have call predecessors, (16), 8 states have return successors, (18), 7 states have call predecessors, (18), 14 states have call successors, (18) [2024-11-09 23:22:11,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:22:11,852 INFO L93 Difference]: Finished difference Result 251 states and 488 transitions. [2024-11-09 23:22:11,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-09 23:22:11,853 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 18 states have (on average 3.388888888888889) internal successors, (61), 20 states have internal predecessors, (61), 14 states have call successors, (16), 1 states have call predecessors, (16), 8 states have return successors, (18), 7 states have call predecessors, (18), 14 states have call successors, (18) Word has length 52 [2024-11-09 23:22:11,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:22:11,855 INFO L225 Difference]: With dead ends: 251 [2024-11-09 23:22:11,855 INFO L226 Difference]: Without dead ends: 153 [2024-11-09 23:22:11,856 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 111 SyntacticMatches, 4 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=131, Invalid=571, Unknown=0, NotChecked=0, Total=702 [2024-11-09 23:22:11,856 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 46 mSDsluCounter, 219 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 23:22:11,856 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 252 Invalid, 385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 326 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 23:22:11,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2024-11-09 23:22:11,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 110. [2024-11-09 23:22:11,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 72 states have (on average 1.2222222222222223) internal successors, (88), 73 states have internal predecessors, (88), 24 states have call successors, (24), 9 states have call predecessors, (24), 13 states have return successors, (66), 27 states have call predecessors, (66), 24 states have call successors, (66) [2024-11-09 23:22:11,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 178 transitions. [2024-11-09 23:22:11,883 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 178 transitions. Word has length 52 [2024-11-09 23:22:11,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:22:11,883 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 178 transitions. [2024-11-09 23:22:11,884 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 18 states have (on average 3.388888888888889) internal successors, (61), 20 states have internal predecessors, (61), 14 states have call successors, (16), 1 states have call predecessors, (16), 8 states have return successors, (18), 7 states have call predecessors, (18), 14 states have call successors, (18) [2024-11-09 23:22:11,884 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 178 transitions. [2024-11-09 23:22:11,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-09 23:22:11,887 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:22:11,887 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:22:11,912 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-09 23:22:12,088 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:22:12,089 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:22:12,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:22:12,089 INFO L85 PathProgramCache]: Analyzing trace with hash -717502930, now seen corresponding path program 1 times [2024-11-09 23:22:12,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:22:12,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839312483] [2024-11-09 23:22:12,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:22:12,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:22:12,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:12,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 23:22:12,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:12,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:12,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:12,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:12,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:12,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:12,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:12,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:12,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:12,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:12,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:12,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 23:22:12,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:12,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 23:22:12,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:12,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 23:22:12,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:12,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:12,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:12,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:12,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:12,308 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 39 proven. 38 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-11-09 23:22:12,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:22:12,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839312483] [2024-11-09 23:22:12,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839312483] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 23:22:12,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1158302592] [2024-11-09 23:22:12,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:22:12,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:22:12,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 23:22:12,310 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) [2024-11-09 23:22:12,311 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-09 23:22:12,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:12,370 INFO L255 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 23:22:12,371 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 23:22:12,465 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 12 proven. 68 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-09 23:22:12,465 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 23:22:13,091 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 12 proven. 78 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-09 23:22:13,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1158302592] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 23:22:13,091 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 23:22:13,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 13] total 24 [2024-11-09 23:22:13,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462275168] [2024-11-09 23:22:13,092 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 23:22:13,092 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-09 23:22:13,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:22:13,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-09 23:22:13,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=464, Unknown=0, NotChecked=0, Total=552 [2024-11-09 23:22:13,093 INFO L87 Difference]: Start difference. First operand 110 states and 178 transitions. Second operand has 24 states, 22 states have (on average 3.409090909090909) internal successors, (75), 24 states have internal predecessors, (75), 18 states have call successors, (22), 1 states have call predecessors, (22), 9 states have return successors, (25), 11 states have call predecessors, (25), 18 states have call successors, (25) [2024-11-09 23:22:13,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:22:13,469 INFO L93 Difference]: Finished difference Result 255 states and 493 transitions. [2024-11-09 23:22:13,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-09 23:22:13,469 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 22 states have (on average 3.409090909090909) internal successors, (75), 24 states have internal predecessors, (75), 18 states have call successors, (22), 1 states have call predecessors, (22), 9 states have return successors, (25), 11 states have call predecessors, (25), 18 states have call successors, (25) Word has length 80 [2024-11-09 23:22:13,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:22:13,471 INFO L225 Difference]: With dead ends: 255 [2024-11-09 23:22:13,471 INFO L226 Difference]: Without dead ends: 106 [2024-11-09 23:22:13,473 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 168 SyntacticMatches, 5 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 274 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=221, Invalid=1039, Unknown=0, NotChecked=0, Total=1260 [2024-11-09 23:22:13,474 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 66 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 454 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 524 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 454 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 23:22:13,475 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 302 Invalid, 524 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 454 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 23:22:13,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-11-09 23:22:13,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 89. [2024-11-09 23:22:13,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 60 states have (on average 1.1833333333333333) internal successors, (71), 61 states have internal predecessors, (71), 16 states have call successors, (16), 8 states have call predecessors, (16), 12 states have return successors, (38), 19 states have call predecessors, (38), 16 states have call successors, (38) [2024-11-09 23:22:13,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 125 transitions. [2024-11-09 23:22:13,495 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 125 transitions. Word has length 80 [2024-11-09 23:22:13,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:22:13,496 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 125 transitions. [2024-11-09 23:22:13,496 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 22 states have (on average 3.409090909090909) internal successors, (75), 24 states have internal predecessors, (75), 18 states have call successors, (22), 1 states have call predecessors, (22), 9 states have return successors, (25), 11 states have call predecessors, (25), 18 states have call successors, (25) [2024-11-09 23:22:13,496 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 125 transitions. [2024-11-09 23:22:13,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2024-11-09 23:22:13,500 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:22:13,500 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 14, 13, 13, 13, 9, 9, 9, 9, 9, 9, 9, 8, 6, 6, 6, 6, 6, 6, 6, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:22:13,513 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-09 23:22:13,704 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:22:13,705 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:22:13,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:22:13,706 INFO L85 PathProgramCache]: Analyzing trace with hash 558039930, now seen corresponding path program 1 times [2024-11-09 23:22:13,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:22:13,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039008563] [2024-11-09 23:22:13,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:22:13,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:22:13,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:13,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 23:22:13,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:13,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:13,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:13,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:13,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:13,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:13,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:14,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:14,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:14,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:14,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:14,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:14,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:14,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 23:22:14,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:14,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 23:22:14,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:14,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 23:22:14,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:14,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:14,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:14,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:14,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:14,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:14,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:14,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:14,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:14,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 23:22:14,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:14,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 23:22:14,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:14,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-09 23:22:14,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:14,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:14,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:14,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:14,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:14,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:14,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:14,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:14,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:14,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:14,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:14,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 23:22:14,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:14,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 23:22:14,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:14,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 23:22:14,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:14,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:14,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:14,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:14,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:14,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:14,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:14,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:14,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:14,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 23:22:14,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:14,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 23:22:14,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:14,130 INFO L134 CoverageAnalysis]: Checked inductivity of 1297 backedges. 84 proven. 258 refuted. 0 times theorem prover too weak. 955 trivial. 0 not checked. [2024-11-09 23:22:14,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:22:14,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039008563] [2024-11-09 23:22:14,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2039008563] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 23:22:14,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1810215500] [2024-11-09 23:22:14,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:22:14,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:22:14,130 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 23:22:14,132 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) [2024-11-09 23:22:14,134 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-09 23:22:14,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:14,215 INFO L255 TraceCheckSpWp]: Trace formula consists of 501 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-09 23:22:14,218 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 23:22:14,330 INFO L134 CoverageAnalysis]: Checked inductivity of 1297 backedges. 47 proven. 369 refuted. 0 times theorem prover too weak. 881 trivial. 0 not checked. [2024-11-09 23:22:14,331 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 23:22:15,445 INFO L134 CoverageAnalysis]: Checked inductivity of 1297 backedges. 47 proven. 385 refuted. 0 times theorem prover too weak. 865 trivial. 0 not checked. [2024-11-09 23:22:15,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1810215500] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 23:22:15,445 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 23:22:15,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 15] total 26 [2024-11-09 23:22:15,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403607761] [2024-11-09 23:22:15,445 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 23:22:15,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-09 23:22:15,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:22:15,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-09 23:22:15,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=549, Unknown=0, NotChecked=0, Total=650 [2024-11-09 23:22:15,447 INFO L87 Difference]: Start difference. First operand 89 states and 125 transitions. Second operand has 26 states, 24 states have (on average 3.5) internal successors, (84), 26 states have internal predecessors, (84), 20 states have call successors, (26), 1 states have call predecessors, (26), 10 states have return successors, (32), 12 states have call predecessors, (32), 20 states have call successors, (32) [2024-11-09 23:22:16,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:22:16,138 INFO L93 Difference]: Finished difference Result 228 states and 394 transitions. [2024-11-09 23:22:16,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-09 23:22:16,139 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 24 states have (on average 3.5) internal successors, (84), 26 states have internal predecessors, (84), 20 states have call successors, (26), 1 states have call predecessors, (26), 10 states have return successors, (32), 12 states have call predecessors, (32), 20 states have call successors, (32) Word has length 218 [2024-11-09 23:22:16,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:22:16,142 INFO L225 Difference]: With dead ends: 228 [2024-11-09 23:22:16,142 INFO L226 Difference]: Without dead ends: 129 [2024-11-09 23:22:16,143 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 522 GetRequests, 478 SyntacticMatches, 6 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 351 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=275, Invalid=1285, Unknown=0, NotChecked=0, Total=1560 [2024-11-09 23:22:16,148 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 93 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 512 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 606 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 512 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 23:22:16,148 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 364 Invalid, 606 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 512 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 23:22:16,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2024-11-09 23:22:16,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 109. [2024-11-09 23:22:16,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 74 states have (on average 1.2162162162162162) internal successors, (90), 75 states have internal predecessors, (90), 20 states have call successors, (20), 11 states have call predecessors, (20), 14 states have return successors, (51), 22 states have call predecessors, (51), 20 states have call successors, (51) [2024-11-09 23:22:16,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 161 transitions. [2024-11-09 23:22:16,171 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 161 transitions. Word has length 218 [2024-11-09 23:22:16,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:22:16,171 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 161 transitions. [2024-11-09 23:22:16,171 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 24 states have (on average 3.5) internal successors, (84), 26 states have internal predecessors, (84), 20 states have call successors, (26), 1 states have call predecessors, (26), 10 states have return successors, (32), 12 states have call predecessors, (32), 20 states have call successors, (32) [2024-11-09 23:22:16,173 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 161 transitions. [2024-11-09 23:22:16,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2024-11-09 23:22:16,177 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:22:16,178 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 20, 20, 16, 16, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 6, 6, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:22:16,190 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-09 23:22:16,378 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:22:16,378 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:22:16,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:22:16,379 INFO L85 PathProgramCache]: Analyzing trace with hash 1692825150, now seen corresponding path program 1 times [2024-11-09 23:22:16,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:22:16,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744741404] [2024-11-09 23:22:16,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:22:16,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:22:16,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:16,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 23:22:16,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:16,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:16,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:16,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:16,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:16,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:16,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:16,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:16,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:16,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:16,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:16,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:16,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:16,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:16,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:16,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 23:22:16,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:16,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 23:22:16,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:16,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:16,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:16,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:16,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:16,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-09 23:22:16,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:16,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:16,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:16,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:16,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:16,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-09 23:22:16,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:16,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:16,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:16,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:16,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:16,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:16,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:16,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:16,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:16,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:16,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:16,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 23:22:16,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:16,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 23:22:17,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:17,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:17,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:17,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:17,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:17,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-09 23:22:17,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:17,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:17,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:17,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:17,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:17,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-09 23:22:17,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:17,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:17,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:17,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:17,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:17,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:17,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:17,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:17,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:17,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:17,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:17,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 23:22:17,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:17,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 23:22:17,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:17,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:17,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:17,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:17,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:17,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-09 23:22:17,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:17,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:17,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:17,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:17,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:17,053 INFO L134 CoverageAnalysis]: Checked inductivity of 2200 backedges. 184 proven. 369 refuted. 0 times theorem prover too weak. 1647 trivial. 0 not checked. [2024-11-09 23:22:17,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:22:17,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744741404] [2024-11-09 23:22:17,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [744741404] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 23:22:17,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [672924830] [2024-11-09 23:22:17,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:22:17,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:22:17,054 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 23:22:17,057 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 23:22:17,058 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-09 23:22:17,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:17,176 INFO L255 TraceCheckSpWp]: Trace formula consists of 646 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-09 23:22:17,179 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 23:22:17,383 INFO L134 CoverageAnalysis]: Checked inductivity of 2200 backedges. 94 proven. 554 refuted. 0 times theorem prover too weak. 1552 trivial. 0 not checked. [2024-11-09 23:22:17,384 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 23:22:19,071 INFO L134 CoverageAnalysis]: Checked inductivity of 2200 backedges. 94 proven. 578 refuted. 0 times theorem prover too weak. 1528 trivial. 0 not checked. [2024-11-09 23:22:19,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [672924830] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 23:22:19,071 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 23:22:19,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 17] total 27 [2024-11-09 23:22:19,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903782910] [2024-11-09 23:22:19,072 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 23:22:19,072 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-09 23:22:19,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:22:19,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-09 23:22:19,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=586, Unknown=0, NotChecked=0, Total=702 [2024-11-09 23:22:19,073 INFO L87 Difference]: Start difference. First operand 109 states and 161 transitions. Second operand has 27 states, 26 states have (on average 3.5384615384615383) internal successors, (92), 27 states have internal predecessors, (92), 21 states have call successors, (28), 1 states have call predecessors, (28), 11 states have return successors, (36), 14 states have call predecessors, (36), 21 states have call successors, (36) [2024-11-09 23:22:19,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:22:19,597 INFO L93 Difference]: Finished difference Result 253 states and 431 transitions. [2024-11-09 23:22:19,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-09 23:22:19,598 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 3.5384615384615383) internal successors, (92), 27 states have internal predecessors, (92), 21 states have call successors, (28), 1 states have call predecessors, (28), 11 states have return successors, (36), 14 states have call predecessors, (36), 21 states have call successors, (36) Word has length 283 [2024-11-09 23:22:19,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:22:19,599 INFO L225 Difference]: With dead ends: 253 [2024-11-09 23:22:19,600 INFO L226 Difference]: Without dead ends: 154 [2024-11-09 23:22:19,601 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 676 GetRequests, 626 SyntacticMatches, 8 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 430 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=339, Invalid=1553, Unknown=0, NotChecked=0, Total=1892 [2024-11-09 23:22:19,602 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 61 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 598 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 696 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 598 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 23:22:19,603 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 349 Invalid, 696 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 598 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 23:22:19,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2024-11-09 23:22:19,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 141. [2024-11-09 23:22:19,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 98 states have (on average 1.2448979591836735) internal successors, (122), 97 states have internal predecessors, (122), 26 states have call successors, (26), 17 states have call predecessors, (26), 16 states have return successors, (71), 26 states have call predecessors, (71), 26 states have call successors, (71) [2024-11-09 23:22:19,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 219 transitions. [2024-11-09 23:22:19,624 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 219 transitions. Word has length 283 [2024-11-09 23:22:19,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:22:19,625 INFO L471 AbstractCegarLoop]: Abstraction has 141 states and 219 transitions. [2024-11-09 23:22:19,625 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 3.5384615384615383) internal successors, (92), 27 states have internal predecessors, (92), 21 states have call successors, (28), 1 states have call predecessors, (28), 11 states have return successors, (36), 14 states have call predecessors, (36), 21 states have call successors, (36) [2024-11-09 23:22:19,625 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 219 transitions. [2024-11-09 23:22:19,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2024-11-09 23:22:19,630 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:22:19,630 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 23, 23, 20, 19, 13, 13, 13, 13, 13, 13, 13, 11, 11, 11, 11, 11, 11, 11, 8, 7, 7, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:22:19,646 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-09 23:22:19,831 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-09 23:22:19,831 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:22:19,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:22:19,832 INFO L85 PathProgramCache]: Analyzing trace with hash -1880620513, now seen corresponding path program 2 times [2024-11-09 23:22:19,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:22:19,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139759107] [2024-11-09 23:22:19,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:22:19,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:22:19,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:20,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 23:22:20,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:20,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:20,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:20,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:20,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:20,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:20,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:20,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:20,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:20,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:20,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:20,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:20,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:20,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:20,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:20,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:20,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:20,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 23:22:20,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:20,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 23:22:20,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:20,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:20,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:20,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:20,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:20,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-09 23:22:20,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:20,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:20,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:20,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:20,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:20,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-09 23:22:20,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:20,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:20,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:20,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:20,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:20,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:20,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:20,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 23:22:20,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:20,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-09 23:22:20,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:20,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:20,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:20,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:20,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:20,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:20,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:20,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:20,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:20,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:20,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:20,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 23:22:20,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:20,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 23:22:20,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:20,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:20,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:20,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:20,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:20,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-09 23:22:20,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:20,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:20,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:20,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:20,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:20,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:20,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:20,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 23:22:20,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:20,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-09 23:22:20,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:20,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:20,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:20,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:20,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:20,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:20,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:20,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:20,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:20,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:20,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:20,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 23:22:20,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:20,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 23:22:20,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:20,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:20,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:20,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:20,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:20,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-09 23:22:20,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:20,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:20,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:20,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:20,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:20,542 INFO L134 CoverageAnalysis]: Checked inductivity of 3205 backedges. 239 proven. 505 refuted. 0 times theorem prover too weak. 2461 trivial. 0 not checked. [2024-11-09 23:22:20,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:22:20,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139759107] [2024-11-09 23:22:20,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139759107] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 23:22:20,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [666747551] [2024-11-09 23:22:20,543 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 23:22:20,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:22:20,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 23:22:20,546 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 23:22:20,550 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-09 23:22:20,681 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 23:22:20,682 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 23:22:20,687 INFO L255 TraceCheckSpWp]: Trace formula consists of 768 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-09 23:22:20,690 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 23:22:20,807 INFO L134 CoverageAnalysis]: Checked inductivity of 3205 backedges. 187 proven. 515 refuted. 0 times theorem prover too weak. 2503 trivial. 0 not checked. [2024-11-09 23:22:20,807 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 23:22:22,172 INFO L134 CoverageAnalysis]: Checked inductivity of 3205 backedges. 187 proven. 531 refuted. 0 times theorem prover too weak. 2487 trivial. 0 not checked. [2024-11-09 23:22:22,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [666747551] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 23:22:22,173 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 23:22:22,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11, 15] total 25 [2024-11-09 23:22:22,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937545981] [2024-11-09 23:22:22,173 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 23:22:22,174 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-09 23:22:22,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:22:22,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-09 23:22:22,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=499, Unknown=0, NotChecked=0, Total=600 [2024-11-09 23:22:22,176 INFO L87 Difference]: Start difference. First operand 141 states and 219 transitions. Second operand has 25 states, 24 states have (on average 3.5833333333333335) internal successors, (86), 25 states have internal predecessors, (86), 18 states have call successors, (26), 1 states have call predecessors, (26), 10 states have return successors, (34), 15 states have call predecessors, (34), 18 states have call successors, (34) [2024-11-09 23:22:22,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:22:22,559 INFO L93 Difference]: Finished difference Result 318 states and 526 transitions. [2024-11-09 23:22:22,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-09 23:22:22,560 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 3.5833333333333335) internal successors, (86), 25 states have internal predecessors, (86), 18 states have call successors, (26), 1 states have call predecessors, (26), 10 states have return successors, (34), 15 states have call predecessors, (34), 18 states have call successors, (34) Word has length 338 [2024-11-09 23:22:22,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:22:22,561 INFO L225 Difference]: With dead ends: 318 [2024-11-09 23:22:22,562 INFO L226 Difference]: Without dead ends: 187 [2024-11-09 23:22:22,563 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 800 GetRequests, 757 SyntacticMatches, 7 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 295 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=246, Invalid=1160, Unknown=0, NotChecked=0, Total=1406 [2024-11-09 23:22:22,563 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 65 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 529 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 23:22:22,563 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 299 Invalid, 622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 529 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 23:22:22,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2024-11-09 23:22:22,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 144. [2024-11-09 23:22:22,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 100 states have (on average 1.2) internal successors, (120), 99 states have internal predecessors, (120), 26 states have call successors, (26), 17 states have call predecessors, (26), 17 states have return successors, (70), 27 states have call predecessors, (70), 26 states have call successors, (70) [2024-11-09 23:22:22,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 216 transitions. [2024-11-09 23:22:22,572 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 216 transitions. Word has length 338 [2024-11-09 23:22:22,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:22:22,573 INFO L471 AbstractCegarLoop]: Abstraction has 144 states and 216 transitions. [2024-11-09 23:22:22,573 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 3.5833333333333335) internal successors, (86), 25 states have internal predecessors, (86), 18 states have call successors, (26), 1 states have call predecessors, (26), 10 states have return successors, (34), 15 states have call predecessors, (34), 18 states have call successors, (34) [2024-11-09 23:22:22,573 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 216 transitions. [2024-11-09 23:22:22,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 503 [2024-11-09 23:22:22,577 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:22:22,577 INFO L215 NwaCegarLoop]: trace histogram [37, 37, 36, 36, 30, 29, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 12, 11, 8, 6, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:22:22,591 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-09 23:22:22,778 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:22:22,778 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:22:22,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:22:22,779 INFO L85 PathProgramCache]: Analyzing trace with hash -1124400170, now seen corresponding path program 3 times [2024-11-09 23:22:22,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:22:22,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322689380] [2024-11-09 23:22:22,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:22:22,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:22:22,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:22,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 23:22:22,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:23,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:23,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:23,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:23,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:23,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:23,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:23,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:23,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:23,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:23,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:23,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:23,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:23,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:23,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:23,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:23,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:23,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 23:22:23,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:23,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 23:22:23,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:23,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:23,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:23,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:23,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:23,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-09 23:22:23,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:23,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:23,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:23,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:23,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:23,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:23,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:23,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 23:22:23,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:23,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-09 23:22:23,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:23,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:23,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:23,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:23,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:23,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:23,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:23,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:23,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:23,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 23:22:23,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:23,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 23:22:23,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:23,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:23,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:23,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:23,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:23,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-09 23:22:23,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:23,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:23,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:23,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:23,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:23,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:23,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:23,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:23,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:23,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:23,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:23,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:23,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:23,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 23:22:23,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:23,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 23:22:23,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:23,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:23,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:23,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:23,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:23,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-09 23:22:23,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:23,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:23,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:23,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:23,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:23,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:23,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:23,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 23:22:23,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:23,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-09 23:22:23,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:23,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:23,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:23,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:23,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:23,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:23,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:23,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:23,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:23,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 23:22:23,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:23,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 23:22:23,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:23,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:23,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:23,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:23,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:23,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2024-11-09 23:22:23,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:23,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:23,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:23,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:23,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:23,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:23,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:23,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:23,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:23,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:23,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:23,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:23,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:23,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 23:22:23,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:23,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 23:22:23,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:23,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:23,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:23,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:23,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:23,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-09 23:22:23,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:23,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:23,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:23,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:23,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:23,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:23,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:23,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 23:22:23,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:23,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-09 23:22:23,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:23,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:23,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:24,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:24,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:24,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:24,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:24,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 23:22:24,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:24,019 INFO L134 CoverageAnalysis]: Checked inductivity of 7249 backedges. 1274 proven. 851 refuted. 0 times theorem prover too weak. 5124 trivial. 0 not checked. [2024-11-09 23:22:24,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:22:24,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322689380] [2024-11-09 23:22:24,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322689380] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 23:22:24,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2091399804] [2024-11-09 23:22:24,019 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 23:22:24,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:22:24,019 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 23:22:24,021 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 23:22:24,025 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-09 23:22:24,147 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-09 23:22:24,148 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 23:22:24,149 INFO L255 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-09 23:22:24,154 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 23:22:24,271 INFO L134 CoverageAnalysis]: Checked inductivity of 7249 backedges. 1329 proven. 86 refuted. 0 times theorem prover too weak. 5834 trivial. 0 not checked. [2024-11-09 23:22:24,272 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 23:22:25,944 INFO L134 CoverageAnalysis]: Checked inductivity of 7249 backedges. 1329 proven. 92 refuted. 0 times theorem prover too weak. 5828 trivial. 0 not checked. [2024-11-09 23:22:25,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2091399804] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 23:22:25,944 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 23:22:25,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 14, 17] total 41 [2024-11-09 23:22:25,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896069658] [2024-11-09 23:22:25,945 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 23:22:25,946 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2024-11-09 23:22:25,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:22:25,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2024-11-09 23:22:25,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=244, Invalid=1396, Unknown=0, NotChecked=0, Total=1640 [2024-11-09 23:22:25,947 INFO L87 Difference]: Start difference. First operand 144 states and 216 transitions. Second operand has 41 states, 40 states have (on average 2.875) internal successors, (115), 41 states have internal predecessors, (115), 27 states have call successors, (37), 1 states have call predecessors, (37), 15 states have return successors, (47), 27 states have call predecessors, (47), 27 states have call successors, (47) [2024-11-09 23:22:26,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:22:26,471 INFO L93 Difference]: Finished difference Result 329 states and 566 transitions. [2024-11-09 23:22:26,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-09 23:22:26,471 INFO L78 Accepts]: Start accepts. Automaton has has 41 states, 40 states have (on average 2.875) internal successors, (115), 41 states have internal predecessors, (115), 27 states have call successors, (37), 1 states have call predecessors, (37), 15 states have return successors, (47), 27 states have call predecessors, (47), 27 states have call successors, (47) Word has length 502 [2024-11-09 23:22:26,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:22:26,474 INFO L225 Difference]: With dead ends: 329 [2024-11-09 23:22:26,474 INFO L226 Difference]: Without dead ends: 187 [2024-11-09 23:22:26,475 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1187 GetRequests, 1129 SyntacticMatches, 8 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1116 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=405, Invalid=2247, Unknown=0, NotChecked=0, Total=2652 [2024-11-09 23:22:26,476 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 76 mSDsluCounter, 671 mSDsCounter, 0 mSdLazyCounter, 911 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 724 SdHoareTripleChecker+Invalid, 988 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 911 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 23:22:26,476 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 724 Invalid, 988 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 911 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 23:22:26,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2024-11-09 23:22:26,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 180. [2024-11-09 23:22:26,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 128 states have (on average 1.09375) internal successors, (140), 125 states have internal predecessors, (140), 35 states have call successors, (35), 27 states have call predecessors, (35), 16 states have return successors, (85), 27 states have call predecessors, (85), 35 states have call successors, (85) [2024-11-09 23:22:26,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 260 transitions. [2024-11-09 23:22:26,486 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 260 transitions. Word has length 502 [2024-11-09 23:22:26,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:22:26,487 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 260 transitions. [2024-11-09 23:22:26,487 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 40 states have (on average 2.875) internal successors, (115), 41 states have internal predecessors, (115), 27 states have call successors, (37), 1 states have call predecessors, (37), 15 states have return successors, (47), 27 states have call predecessors, (47), 27 states have call successors, (47) [2024-11-09 23:22:26,487 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 260 transitions. [2024-11-09 23:22:26,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 653 [2024-11-09 23:22:26,495 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:22:26,495 INFO L215 NwaCegarLoop]: trace histogram [49, 49, 46, 46, 39, 38, 24, 24, 24, 24, 24, 24, 24, 23, 23, 23, 23, 23, 23, 23, 16, 14, 10, 8, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:22:26,512 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-09 23:22:26,695 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-09 23:22:26,696 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:22:26,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:22:26,696 INFO L85 PathProgramCache]: Analyzing trace with hash 2030433836, now seen corresponding path program 4 times [2024-11-09 23:22:26,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:22:26,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010833280] [2024-11-09 23:22:26,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:22:26,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:22:26,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:26,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 23:22:26,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:27,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:27,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:27,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:27,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:27,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:27,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:27,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:27,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:27,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:27,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:27,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:27,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:27,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:27,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:27,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:27,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:27,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 23:22:27,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:27,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 23:22:27,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:27,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:27,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:27,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:27,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:27,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-09 23:22:27,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:27,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:27,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:27,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:27,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:27,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:27,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:27,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 23:22:27,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:27,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-09 23:22:27,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:27,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:27,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:27,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:27,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:27,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:27,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:27,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:27,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:27,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:27,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:27,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 23:22:27,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:27,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 23:22:27,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:27,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:27,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:27,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:27,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:27,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-09 23:22:27,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:27,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:27,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:27,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:27,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:27,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:27,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:27,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 23:22:27,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:27,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-09 23:22:27,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:27,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:27,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:27,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:27,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:27,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:27,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:27,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:27,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:27,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:27,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:27,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 23:22:27,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:27,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 23:22:27,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:27,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:27,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:27,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:27,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:27,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-09 23:22:27,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:27,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:27,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:27,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:27,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:27,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:27,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:27,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 23:22:27,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:27,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-11-09 23:22:27,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:27,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:27,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:27,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:27,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:27,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:27,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:27,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:27,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:27,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:27,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:27,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:27,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:27,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:27,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:27,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 23:22:27,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:27,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 23:22:27,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:27,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:27,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:27,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:27,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:27,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-09 23:22:27,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:27,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:27,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:27,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:27,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:27,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:27,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:27,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 23:22:27,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:27,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-09 23:22:27,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:27,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:27,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:27,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:27,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:27,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:27,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:27,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:27,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:27,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:27,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:27,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 23:22:27,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:27,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 23:22:27,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:27,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:27,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:27,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:27,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:27,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-09 23:22:27,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:27,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:27,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:27,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:27,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:27,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:27,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:27,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 23:22:27,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:27,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-09 23:22:27,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:27,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:27,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:27,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:27,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:27,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:27,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:27,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:27,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:27,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:27,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:27,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 23:22:27,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:27,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 23:22:27,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:27,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:27,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:27,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:27,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:27,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-09 23:22:27,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:27,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:27,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:27,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:27,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:27,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:27,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:27,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 23:22:27,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:27,933 INFO L134 CoverageAnalysis]: Checked inductivity of 12404 backedges. 424 proven. 1921 refuted. 0 times theorem prover too weak. 10059 trivial. 0 not checked. [2024-11-09 23:22:27,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:22:27,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010833280] [2024-11-09 23:22:27,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010833280] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 23:22:27,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [597107692] [2024-11-09 23:22:27,934 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-09 23:22:27,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:22:27,934 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 23:22:27,936 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 23:22:27,938 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-09 23:22:28,124 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-09 23:22:28,125 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 23:22:28,127 INFO L255 TraceCheckSpWp]: Trace formula consists of 1159 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-09 23:22:28,132 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 23:22:28,294 INFO L134 CoverageAnalysis]: Checked inductivity of 12404 backedges. 484 proven. 1446 refuted. 0 times theorem prover too weak. 10474 trivial. 0 not checked. [2024-11-09 23:22:28,294 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 23:22:31,069 INFO L134 CoverageAnalysis]: Checked inductivity of 12404 backedges. 486 proven. 1474 refuted. 0 times theorem prover too weak. 10444 trivial. 0 not checked. [2024-11-09 23:22:31,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [597107692] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 23:22:31,074 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 23:22:31,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 13, 19] total 37 [2024-11-09 23:22:31,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652725216] [2024-11-09 23:22:31,075 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 23:22:31,076 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-11-09 23:22:31,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:22:31,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-11-09 23:22:31,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=194, Invalid=1138, Unknown=0, NotChecked=0, Total=1332 [2024-11-09 23:22:31,077 INFO L87 Difference]: Start difference. First operand 180 states and 260 transitions. Second operand has 37 states, 36 states have (on average 3.0555555555555554) internal successors, (110), 37 states have internal predecessors, (110), 27 states have call successors, (35), 1 states have call predecessors, (35), 16 states have return successors, (48), 24 states have call predecessors, (48), 27 states have call successors, (48) [2024-11-09 23:22:32,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:22:32,117 INFO L93 Difference]: Finished difference Result 417 states and 747 transitions. [2024-11-09 23:22:32,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-11-09 23:22:32,118 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 36 states have (on average 3.0555555555555554) internal successors, (110), 37 states have internal predecessors, (110), 27 states have call successors, (35), 1 states have call predecessors, (35), 16 states have return successors, (48), 24 states have call predecessors, (48), 27 states have call successors, (48) Word has length 652 [2024-11-09 23:22:32,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:22:32,125 INFO L225 Difference]: With dead ends: 417 [2024-11-09 23:22:32,125 INFO L226 Difference]: Without dead ends: 197 [2024-11-09 23:22:32,129 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1537 GetRequests, 1470 SyntacticMatches, 9 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1219 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=516, Invalid=3024, Unknown=0, NotChecked=0, Total=3540 [2024-11-09 23:22:32,132 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 93 mSDsluCounter, 664 mSDsCounter, 0 mSdLazyCounter, 1466 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 714 SdHoareTripleChecker+Invalid, 1558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 1466 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 23:22:32,133 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 714 Invalid, 1558 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 1466 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 23:22:32,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2024-11-09 23:22:32,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 167. [2024-11-09 23:22:32,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 118 states have (on average 1.076271186440678) internal successors, (127), 115 states have internal predecessors, (127), 32 states have call successors, (32), 24 states have call predecessors, (32), 16 states have return successors, (53), 27 states have call predecessors, (53), 32 states have call successors, (53) [2024-11-09 23:22:32,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 212 transitions. [2024-11-09 23:22:32,157 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 212 transitions. Word has length 652 [2024-11-09 23:22:32,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:22:32,157 INFO L471 AbstractCegarLoop]: Abstraction has 167 states and 212 transitions. [2024-11-09 23:22:32,161 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 36 states have (on average 3.0555555555555554) internal successors, (110), 37 states have internal predecessors, (110), 27 states have call successors, (35), 1 states have call predecessors, (35), 16 states have return successors, (48), 24 states have call predecessors, (48), 27 states have call successors, (48) [2024-11-09 23:22:32,161 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 212 transitions. [2024-11-09 23:22:32,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2024-11-09 23:22:32,163 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:22:32,163 INFO L215 NwaCegarLoop]: trace histogram [29, 29, 28, 28, 23, 23, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 9, 9, 6, 5, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:22:32,195 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-09 23:22:32,363 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-09 23:22:32,364 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:22:32,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:22:32,364 INFO L85 PathProgramCache]: Analyzing trace with hash 637422297, now seen corresponding path program 5 times [2024-11-09 23:22:32,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:22:32,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419442294] [2024-11-09 23:22:32,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:22:32,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:22:32,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:32,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 23:22:32,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:32,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:32,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:32,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:32,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:32,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:32,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:32,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:32,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:32,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:32,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:32,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:32,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:32,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:32,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:32,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:32,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:32,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 23:22:32,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:32,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 23:22:32,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:32,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:32,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:32,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:33,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:33,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-09 23:22:33,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:33,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:33,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:33,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:33,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:33,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:33,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:33,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 23:22:33,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:33,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-09 23:22:33,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:33,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:33,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:33,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:33,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:33,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:33,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:33,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:33,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:33,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 23:22:33,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:33,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 23:22:33,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:33,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:33,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:33,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:33,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:33,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-09 23:22:33,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:33,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:33,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:33,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:33,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:33,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:33,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:33,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:33,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:33,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:33,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:33,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 23:22:33,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:33,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 23:22:33,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:33,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:33,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:33,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:33,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:33,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-09 23:22:33,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:33,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:33,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:33,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:33,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:33,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:33,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:33,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 23:22:33,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:33,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-11-09 23:22:33,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:33,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:33,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:33,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:33,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:33,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:33,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:33,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:33,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:33,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:33,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:33,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 23:22:33,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:33,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 23:22:33,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:33,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:33,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:33,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:33,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:33,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-09 23:22:33,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:33,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:33,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:33,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:33,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:33,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:33,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:33,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 23:22:33,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:33,309 INFO L134 CoverageAnalysis]: Checked inductivity of 4370 backedges. 726 proven. 662 refuted. 0 times theorem prover too weak. 2982 trivial. 0 not checked. [2024-11-09 23:22:33,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:22:33,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419442294] [2024-11-09 23:22:33,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419442294] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 23:22:33,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [932051291] [2024-11-09 23:22:33,309 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-09 23:22:33,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:22:33,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 23:22:33,311 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 23:22:33,312 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-09 23:22:33,490 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 20 check-sat command(s) [2024-11-09 23:22:33,491 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 23:22:33,493 INFO L255 TraceCheckSpWp]: Trace formula consists of 758 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-09 23:22:33,496 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 23:22:33,654 INFO L134 CoverageAnalysis]: Checked inductivity of 4370 backedges. 854 proven. 414 refuted. 0 times theorem prover too weak. 3102 trivial. 0 not checked. [2024-11-09 23:22:33,654 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 23:22:35,284 INFO L134 CoverageAnalysis]: Checked inductivity of 4370 backedges. 856 proven. 425 refuted. 0 times theorem prover too weak. 3089 trivial. 0 not checked. [2024-11-09 23:22:35,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [932051291] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 23:22:35,285 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 23:22:35,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 16, 21] total 43 [2024-11-09 23:22:35,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742462765] [2024-11-09 23:22:35,285 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 23:22:35,286 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-11-09 23:22:35,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:22:35,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-11-09 23:22:35,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=252, Invalid=1554, Unknown=0, NotChecked=0, Total=1806 [2024-11-09 23:22:35,287 INFO L87 Difference]: Start difference. First operand 167 states and 212 transitions. Second operand has 43 states, 42 states have (on average 2.9047619047619047) internal successors, (122), 43 states have internal predecessors, (122), 28 states have call successors, (40), 1 states have call predecessors, (40), 17 states have return successors, (50), 30 states have call predecessors, (50), 28 states have call successors, (50) [2024-11-09 23:22:35,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:22:35,837 INFO L93 Difference]: Finished difference Result 222 states and 278 transitions. [2024-11-09 23:22:35,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-09 23:22:35,838 INFO L78 Accepts]: Start accepts. Automaton has has 43 states, 42 states have (on average 2.9047619047619047) internal successors, (122), 43 states have internal predecessors, (122), 28 states have call successors, (40), 1 states have call predecessors, (40), 17 states have return successors, (50), 30 states have call predecessors, (50), 28 states have call successors, (50) Word has length 393 [2024-11-09 23:22:35,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:22:35,840 INFO L225 Difference]: With dead ends: 222 [2024-11-09 23:22:35,840 INFO L226 Difference]: Without dead ends: 198 [2024-11-09 23:22:35,841 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 939 GetRequests, 871 SyntacticMatches, 10 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1357 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=497, Invalid=3043, Unknown=0, NotChecked=0, Total=3540 [2024-11-09 23:22:35,841 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 123 mSDsluCounter, 652 mSDsCounter, 0 mSdLazyCounter, 863 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 706 SdHoareTripleChecker+Invalid, 986 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 863 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 23:22:35,841 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 706 Invalid, 986 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 863 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 23:22:35,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2024-11-09 23:22:35,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 169. [2024-11-09 23:22:35,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 119 states have (on average 1.050420168067227) internal successors, (125), 117 states have internal predecessors, (125), 33 states have call successors, (33), 24 states have call predecessors, (33), 16 states have return successors, (52), 27 states have call predecessors, (52), 33 states have call successors, (52) [2024-11-09 23:22:35,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 210 transitions. [2024-11-09 23:22:35,850 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 210 transitions. Word has length 393 [2024-11-09 23:22:35,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:22:35,850 INFO L471 AbstractCegarLoop]: Abstraction has 169 states and 210 transitions. [2024-11-09 23:22:35,850 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 42 states have (on average 2.9047619047619047) internal successors, (122), 43 states have internal predecessors, (122), 28 states have call successors, (40), 1 states have call predecessors, (40), 17 states have return successors, (50), 30 states have call predecessors, (50), 28 states have call successors, (50) [2024-11-09 23:22:35,851 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 210 transitions. [2024-11-09 23:22:35,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 462 [2024-11-09 23:22:35,852 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:22:35,852 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 33, 33, 27, 27, 17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 16, 16, 11, 10, 7, 6, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:22:35,868 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-09 23:22:36,056 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-09 23:22:36,057 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:22:36,057 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:22:36,057 INFO L85 PathProgramCache]: Analyzing trace with hash -14791359, now seen corresponding path program 6 times [2024-11-09 23:22:36,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:22:36,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037160163] [2024-11-09 23:22:36,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:22:36,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:22:36,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:37,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 23:22:37,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:38,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:38,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:38,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:39,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:39,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:39,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:39,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:39,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:39,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:39,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:39,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:39,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:39,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:39,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:39,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:39,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:39,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 23:22:39,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:39,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 23:22:39,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:39,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:39,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:39,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:39,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:39,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-09 23:22:39,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:39,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:39,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:39,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:39,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:39,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:39,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:39,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 23:22:39,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:39,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-09 23:22:39,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:39,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:39,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:39,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:39,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:39,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:39,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:39,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:39,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:39,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 23:22:39,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:39,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 23:22:39,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:39,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:39,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:39,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:39,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:39,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-09 23:22:39,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:39,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:39,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:39,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:39,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:39,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:39,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:39,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:39,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:39,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:39,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:39,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 23:22:39,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:39,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 23:22:39,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:39,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:39,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:39,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:39,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:39,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-09 23:22:39,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:39,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:39,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:39,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:39,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:39,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:39,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:39,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 23:22:39,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:39,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-11-09 23:22:39,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:40,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:40,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:40,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:40,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:40,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:40,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:40,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:40,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:40,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:40,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:40,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:40,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:40,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 23:22:40,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:40,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 23:22:40,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:40,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:40,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:40,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:40,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:40,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-09 23:22:40,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:40,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:40,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:40,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:40,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:40,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:40,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:40,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 23:22:40,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:40,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-09 23:22:40,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:40,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:40,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:40,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:40,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:40,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:40,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:40,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:40,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:40,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 23:22:40,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:40,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 23:22:40,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:40,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:40,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:40,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:40,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:40,442 INFO L134 CoverageAnalysis]: Checked inductivity of 6082 backedges. 0 proven. 2033 refuted. 0 times theorem prover too weak. 4049 trivial. 0 not checked. [2024-11-09 23:22:40,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:22:40,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037160163] [2024-11-09 23:22:40,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037160163] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 23:22:40,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1643232623] [2024-11-09 23:22:40,443 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-09 23:22:40,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:22:40,443 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 23:22:40,447 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 23:22:40,449 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-09 23:22:40,676 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 32 check-sat command(s) [2024-11-09 23:22:40,677 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 23:22:40,686 INFO L255 TraceCheckSpWp]: Trace formula consists of 1041 conjuncts, 271 conjuncts are in the unsatisfiable core [2024-11-09 23:22:40,691 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 23:22:41,299 INFO L134 CoverageAnalysis]: Checked inductivity of 6082 backedges. 0 proven. 2033 refuted. 0 times theorem prover too weak. 4049 trivial. 0 not checked. [2024-11-09 23:22:41,299 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 23:22:43,185 INFO L134 CoverageAnalysis]: Checked inductivity of 6082 backedges. 0 proven. 2033 refuted. 0 times theorem prover too weak. 4049 trivial. 0 not checked. [2024-11-09 23:22:43,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1643232623] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 23:22:43,185 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 23:22:43,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 40, 40] total 52 [2024-11-09 23:22:43,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308183470] [2024-11-09 23:22:43,186 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 23:22:43,187 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2024-11-09 23:22:43,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:22:43,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2024-11-09 23:22:43,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=2527, Unknown=0, NotChecked=0, Total=2652 [2024-11-09 23:22:43,188 INFO L87 Difference]: Start difference. First operand 169 states and 210 transitions. Second operand has 52 states, 52 states have (on average 1.2307692307692308) internal successors, (64), 27 states have internal predecessors, (64), 11 states have call successors, (13), 1 states have call predecessors, (13), 14 states have return successors, (35), 35 states have call predecessors, (35), 11 states have call successors, (35) [2024-11-09 23:22:43,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:22:43,707 INFO L93 Difference]: Finished difference Result 227 states and 309 transitions. [2024-11-09 23:22:43,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-11-09 23:22:43,708 INFO L78 Accepts]: Start accepts. Automaton has has 52 states, 52 states have (on average 1.2307692307692308) internal successors, (64), 27 states have internal predecessors, (64), 11 states have call successors, (13), 1 states have call predecessors, (13), 14 states have return successors, (35), 35 states have call predecessors, (35), 11 states have call successors, (35) Word has length 461 [2024-11-09 23:22:43,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:22:43,710 INFO L225 Difference]: With dead ends: 227 [2024-11-09 23:22:43,710 INFO L226 Difference]: Without dead ends: 219 [2024-11-09 23:22:43,711 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1191 GetRequests, 1141 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=125, Invalid=2527, Unknown=0, NotChecked=0, Total=2652 [2024-11-09 23:22:43,711 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 0 mSDsluCounter, 2819 mSDsCounter, 0 mSdLazyCounter, 1523 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 2899 SdHoareTripleChecker+Invalid, 1523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 23:22:43,711 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 2899 Invalid, 1523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1523 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 23:22:43,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2024-11-09 23:22:43,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 214. [2024-11-09 23:22:43,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 146 states have (on average 1.0410958904109588) internal successors, (152), 144 states have internal predecessors, (152), 42 states have call successors, (42), 24 states have call predecessors, (42), 25 states have return successors, (102), 45 states have call predecessors, (102), 42 states have call successors, (102) [2024-11-09 23:22:43,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 296 transitions. [2024-11-09 23:22:43,725 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 296 transitions. Word has length 461 [2024-11-09 23:22:43,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:22:43,725 INFO L471 AbstractCegarLoop]: Abstraction has 214 states and 296 transitions. [2024-11-09 23:22:43,725 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 1.2307692307692308) internal successors, (64), 27 states have internal predecessors, (64), 11 states have call successors, (13), 1 states have call predecessors, (13), 14 states have return successors, (35), 35 states have call predecessors, (35), 11 states have call successors, (35) [2024-11-09 23:22:43,725 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 296 transitions. [2024-11-09 23:22:43,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 573 [2024-11-09 23:22:43,728 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:22:43,728 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 41, 41, 35, 34, 21, 21, 21, 21, 21, 21, 21, 20, 20, 20, 20, 20, 20, 20, 14, 14, 8, 6, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:22:43,742 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-11-09 23:22:43,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-09 23:22:43,929 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:22:43,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:22:43,929 INFO L85 PathProgramCache]: Analyzing trace with hash 1252412890, now seen corresponding path program 7 times [2024-11-09 23:22:43,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:22:43,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829636579] [2024-11-09 23:22:43,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:22:43,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:22:43,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:44,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 23:22:44,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:44,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:44,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:44,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:44,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:44,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:44,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:44,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:44,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:44,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:44,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:44,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:44,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:44,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:44,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:44,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:44,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:44,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 23:22:44,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:44,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 23:22:44,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:44,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:44,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:44,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:44,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:44,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-09 23:22:44,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:44,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:44,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:44,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:44,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:44,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:44,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:44,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 23:22:44,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:44,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-09 23:22:44,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:44,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:44,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:44,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:44,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:44,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:44,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:44,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:44,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:44,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-09 23:22:44,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:44,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-09 23:22:44,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:44,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:44,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:44,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:44,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:44,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-09 23:22:44,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:44,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:44,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:44,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:44,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:44,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:44,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:44,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:44,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:44,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:44,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:44,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-09 23:22:44,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:44,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-09 23:22:44,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:44,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:44,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:44,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:44,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:44,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 23:22:44,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:44,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:44,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:44,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:44,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:44,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:44,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:44,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 23:22:44,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:44,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-09 23:22:44,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:44,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:44,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:44,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:44,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:44,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:44,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:45,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:45,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:45,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:45,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:45,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:45,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:45,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:45,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:45,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 23:22:45,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:45,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 23:22:45,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:45,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:45,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:45,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:45,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:45,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-09 23:22:45,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:45,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:45,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:45,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:45,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:45,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:45,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:45,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 23:22:45,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:45,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-09 23:22:45,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:45,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:45,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:45,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:45,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:45,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:45,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:45,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:45,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:45,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 23:22:45,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:45,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 23:22:45,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:45,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:45,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:45,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:45,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:45,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-09 23:22:45,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:45,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:45,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:45,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:45,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:45,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:45,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:45,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:45,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:45,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:45,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:45,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 23:22:45,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:45,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 23:22:45,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:45,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:45,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:45,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:45,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:45,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-09 23:22:45,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:45,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:45,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:45,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:45,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:45,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:45,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:45,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 23:22:45,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:45,170 INFO L134 CoverageAnalysis]: Checked inductivity of 9480 backedges. 839 proven. 1694 refuted. 0 times theorem prover too weak. 6947 trivial. 0 not checked. [2024-11-09 23:22:45,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:22:45,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829636579] [2024-11-09 23:22:45,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1829636579] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 23:22:45,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1317759547] [2024-11-09 23:22:45,170 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-09 23:22:45,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:22:45,171 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 23:22:45,172 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 23:22:45,173 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-09 23:22:45,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:45,427 INFO L255 TraceCheckSpWp]: Trace formula consists of 1287 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-09 23:22:45,434 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 23:22:45,577 INFO L134 CoverageAnalysis]: Checked inductivity of 9480 backedges. 387 proven. 1084 refuted. 0 times theorem prover too weak. 8009 trivial. 0 not checked. [2024-11-09 23:22:45,578 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 23:22:47,679 INFO L134 CoverageAnalysis]: Checked inductivity of 9480 backedges. 393 proven. 1099 refuted. 0 times theorem prover too weak. 7988 trivial. 0 not checked. [2024-11-09 23:22:47,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1317759547] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 23:22:47,680 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 23:22:47,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 12, 17] total 43 [2024-11-09 23:22:47,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179681054] [2024-11-09 23:22:47,680 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 23:22:47,681 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-11-09 23:22:47,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:22:47,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-11-09 23:22:47,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=246, Invalid=1560, Unknown=0, NotChecked=0, Total=1806 [2024-11-09 23:22:47,682 INFO L87 Difference]: Start difference. First operand 214 states and 296 transitions. Second operand has 43 states, 42 states have (on average 2.6904761904761907) internal successors, (113), 43 states have internal predecessors, (113), 27 states have call successors, (36), 1 states have call predecessors, (36), 19 states have return successors, (50), 33 states have call predecessors, (50), 27 states have call successors, (50) [2024-11-09 23:22:48,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:22:48,602 INFO L93 Difference]: Finished difference Result 490 states and 761 transitions. [2024-11-09 23:22:48,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-11-09 23:22:48,602 INFO L78 Accepts]: Start accepts. Automaton has has 43 states, 42 states have (on average 2.6904761904761907) internal successors, (113), 43 states have internal predecessors, (113), 27 states have call successors, (36), 1 states have call predecessors, (36), 19 states have return successors, (50), 33 states have call predecessors, (50), 27 states have call successors, (50) Word has length 572 [2024-11-09 23:22:48,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:22:48,604 INFO L225 Difference]: With dead ends: 490 [2024-11-09 23:22:48,604 INFO L226 Difference]: Without dead ends: 175 [2024-11-09 23:22:48,607 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1371 GetRequests, 1287 SyntacticMatches, 8 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2158 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=774, Invalid=5232, Unknown=0, NotChecked=0, Total=6006 [2024-11-09 23:22:48,608 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 145 mSDsluCounter, 621 mSDsCounter, 0 mSdLazyCounter, 1380 mSolverCounterSat, 144 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 678 SdHoareTripleChecker+Invalid, 1524 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 144 IncrementalHoareTripleChecker+Valid, 1380 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 23:22:48,608 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 678 Invalid, 1524 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [144 Valid, 1380 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 23:22:48,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2024-11-09 23:22:48,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 172. [2024-11-09 23:22:48,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 123 states have (on average 1.0406504065040652) internal successors, (128), 119 states have internal predecessors, (128), 33 states have call successors, (33), 27 states have call predecessors, (33), 15 states have return successors, (35), 25 states have call predecessors, (35), 33 states have call successors, (35) [2024-11-09 23:22:48,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 196 transitions. [2024-11-09 23:22:48,616 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 196 transitions. Word has length 572 [2024-11-09 23:22:48,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:22:48,617 INFO L471 AbstractCegarLoop]: Abstraction has 172 states and 196 transitions. [2024-11-09 23:22:48,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 42 states have (on average 2.6904761904761907) internal successors, (113), 43 states have internal predecessors, (113), 27 states have call successors, (36), 1 states have call predecessors, (36), 19 states have return successors, (50), 33 states have call predecessors, (50), 27 states have call successors, (50) [2024-11-09 23:22:48,617 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 196 transitions. [2024-11-09 23:22:48,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 530 [2024-11-09 23:22:48,619 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:22:48,619 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 37, 37, 31, 31, 20, 20, 20, 20, 20, 20, 20, 18, 18, 18, 18, 18, 18, 18, 13, 11, 9, 6, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:22:48,636 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-09 23:22:48,819 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:22:48,820 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:22:48,820 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:22:48,820 INFO L85 PathProgramCache]: Analyzing trace with hash 1659149529, now seen corresponding path program 8 times [2024-11-09 23:22:48,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:22:48,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996102572] [2024-11-09 23:22:48,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:22:48,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:22:48,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:49,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 23:22:49,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:49,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:49,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:49,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:49,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:49,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:49,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:49,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:49,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:49,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:49,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:49,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:49,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:49,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:49,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:49,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:49,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:49,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:49,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:49,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 23:22:49,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:49,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 23:22:49,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:49,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:49,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:49,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:49,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:49,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-09 23:22:49,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:49,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:49,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:49,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:49,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:49,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:49,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:49,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 23:22:49,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:49,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-09 23:22:49,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:49,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:49,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:49,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:49,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:49,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:49,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:49,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:49,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:49,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 23:22:49,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:49,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 23:22:49,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:49,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:49,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:49,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:49,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:49,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-09 23:22:49,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:49,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:49,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:49,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:49,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:49,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:49,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:49,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:49,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:49,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 23:22:49,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:49,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 23:22:49,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:49,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:49,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:49,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:49,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:49,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-09 23:22:49,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:49,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:49,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:49,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:49,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:49,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:49,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:49,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:49,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:49,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:49,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:49,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 23:22:49,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:49,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 23:22:49,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:49,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:49,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:49,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:49,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:49,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-09 23:22:49,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:49,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:49,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:49,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:49,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:49,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:49,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:49,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 23:22:49,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:49,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2024-11-09 23:22:49,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:49,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:49,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:49,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:49,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:49,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:49,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:49,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:49,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:49,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:49,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:49,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:49,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:49,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 23:22:49,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:49,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 23:22:49,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:49,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:49,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:49,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:49,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:49,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-09 23:22:49,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:49,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:49,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:49,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:49,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:49,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:49,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:49,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 23:22:49,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:49,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-09 23:22:49,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:49,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:49,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:49,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:49,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:49,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:49,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:49,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:49,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:49,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 23:22:49,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:49,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 23:22:49,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:49,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:22:49,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:49,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 23:22:49,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:22:49,715 INFO L134 CoverageAnalysis]: Checked inductivity of 8086 backedges. 575 proven. 1278 refuted. 0 times theorem prover too weak. 6233 trivial. 0 not checked. [2024-11-09 23:22:49,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:22:49,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996102572] [2024-11-09 23:22:49,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996102572] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 23:22:49,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [365599224] [2024-11-09 23:22:49,716 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 23:22:49,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:22:49,716 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 23:22:49,717 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 23:22:49,718 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-09 23:22:49,964 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 23:22:49,964 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 23:22:49,967 INFO L255 TraceCheckSpWp]: Trace formula consists of 1192 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-09 23:22:49,972 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 23:22:50,109 INFO L134 CoverageAnalysis]: Checked inductivity of 8086 backedges. 317 proven. 1385 refuted. 0 times theorem prover too weak. 6384 trivial. 0 not checked. [2024-11-09 23:22:50,110 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 23:22:53,187 INFO L134 CoverageAnalysis]: Checked inductivity of 8086 backedges. 317 proven. 1425 refuted. 0 times theorem prover too weak. 6344 trivial. 0 not checked. [2024-11-09 23:22:53,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [365599224] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 23:22:53,187 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 23:22:53,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 14, 21] total 38 [2024-11-09 23:22:53,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679424702] [2024-11-09 23:22:53,188 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 23:22:53,188 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2024-11-09 23:22:53,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:22:53,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2024-11-09 23:22:53,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=206, Invalid=1200, Unknown=0, NotChecked=0, Total=1406 [2024-11-09 23:22:53,189 INFO L87 Difference]: Start difference. First operand 172 states and 196 transitions. Second operand has 38 states, 37 states have (on average 3.054054054054054) internal successors, (113), 38 states have internal predecessors, (113), 30 states have call successors, (36), 1 states have call predecessors, (36), 16 states have return successors, (50), 22 states have call predecessors, (50), 30 states have call successors, (50) [2024-11-09 23:22:53,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:22:53,633 INFO L93 Difference]: Finished difference Result 276 states and 313 transitions. [2024-11-09 23:22:53,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-09 23:22:53,634 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 37 states have (on average 3.054054054054054) internal successors, (113), 38 states have internal predecessors, (113), 30 states have call successors, (36), 1 states have call predecessors, (36), 16 states have return successors, (50), 22 states have call predecessors, (50), 30 states have call successors, (50) Word has length 529 [2024-11-09 23:22:53,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:22:53,635 INFO L225 Difference]: With dead ends: 276 [2024-11-09 23:22:53,635 INFO L226 Difference]: Without dead ends: 0 [2024-11-09 23:22:53,637 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1246 GetRequests, 1186 SyntacticMatches, 10 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 984 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=395, Invalid=2257, Unknown=0, NotChecked=0, Total=2652 [2024-11-09 23:22:53,637 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 78 mSDsluCounter, 451 mSDsCounter, 0 mSdLazyCounter, 819 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 871 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 819 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 23:22:53,637 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 486 Invalid, 871 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 819 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 23:22:53,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-09 23:22:53,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-09 23:22:53,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:22:53,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-09 23:22:53,639 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 529 [2024-11-09 23:22:53,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:22:53,639 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 23:22:53,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 37 states have (on average 3.054054054054054) internal successors, (113), 38 states have internal predecessors, (113), 30 states have call successors, (36), 1 states have call predecessors, (36), 16 states have return successors, (50), 22 states have call predecessors, (50), 30 states have call successors, (50) [2024-11-09 23:22:53,639 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-09 23:22:53,639 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 23:22:53,642 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 23:22:53,656 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-09 23:22:53,846 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-09 23:22:53,852 INFO L407 BasicCegarLoop]: Path program histogram: [8, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:22:53,853 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-09 23:23:00,218 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 23:23:00,265 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-09 23:23:00,290 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-09 23:23:00,294 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 11:23:00 BoogieIcfgContainer [2024-11-09 23:23:00,295 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 23:23:00,295 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 23:23:00,295 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 23:23:00,295 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 23:23:00,296 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 11:22:06" (3/4) ... [2024-11-09 23:23:00,298 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-09 23:23:00,301 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure fibo2 [2024-11-09 23:23:00,304 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure fibo1 [2024-11-09 23:23:00,311 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-09 23:23:00,311 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-09 23:23:00,311 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-09 23:23:00,312 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 23:23:00,431 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-09 23:23:00,432 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-09 23:23:00,432 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 23:23:00,432 INFO L158 Benchmark]: Toolchain (without parser) took 54137.90ms. Allocated memory was 155.2MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 100.8MB in the beginning and 782.2MB in the end (delta: -681.4MB). Peak memory consumption was 716.8MB. Max. memory is 16.1GB. [2024-11-09 23:23:00,432 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 155.2MB. Free memory was 116.8MB in the beginning and 116.7MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 23:23:00,432 INFO L158 Benchmark]: CACSL2BoogieTranslator took 201.07ms. Allocated memory is still 155.2MB. Free memory was 100.8MB in the beginning and 88.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 23:23:00,432 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.61ms. Allocated memory is still 155.2MB. Free memory was 88.2MB in the beginning and 86.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 23:23:00,433 INFO L158 Benchmark]: Boogie Preprocessor took 23.66ms. Allocated memory is still 155.2MB. Free memory was 86.8MB in the beginning and 85.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 23:23:00,433 INFO L158 Benchmark]: IcfgBuilder took 250.72ms. Allocated memory is still 155.2MB. Free memory was 85.7MB in the beginning and 74.0MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-09 23:23:00,433 INFO L158 Benchmark]: TraceAbstraction took 53496.27ms. Allocated memory was 155.2MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 73.6MB in the beginning and 786.4MB in the end (delta: -712.8MB). Peak memory consumption was 891.0MB. Max. memory is 16.1GB. [2024-11-09 23:23:00,434 INFO L158 Benchmark]: Witness Printer took 136.62ms. Allocated memory is still 1.6GB. Free memory was 786.4MB in the beginning and 782.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 23:23:00,437 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 155.2MB. Free memory was 116.8MB in the beginning and 116.7MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 201.07ms. Allocated memory is still 155.2MB. Free memory was 100.8MB in the beginning and 88.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.61ms. Allocated memory is still 155.2MB. Free memory was 88.2MB in the beginning and 86.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.66ms. Allocated memory is still 155.2MB. Free memory was 86.8MB in the beginning and 85.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 250.72ms. Allocated memory is still 155.2MB. Free memory was 85.7MB in the beginning and 74.0MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 53496.27ms. Allocated memory was 155.2MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 73.6MB in the beginning and 786.4MB in the end (delta: -712.8MB). Peak memory consumption was 891.0MB. Max. memory is 16.1GB. * Witness Printer took 136.62ms. Allocated memory is still 1.6GB. Free memory was 786.4MB in the beginning and 782.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 41]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 31 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 47.0s, OverallIterations: 17, TraceHistogramMax: 49, PathProgramHistogramMax: 8, EmptinessCheckTime: 0.1s, AutomataDifference: 7.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1087 SdHoareTripleChecker+Valid, 4.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1003 mSDsluCounter, 8657 SdHoareTripleChecker+Invalid, 4.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8008 mSDsCounter, 1018 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10275 IncrementalHoareTripleChecker+Invalid, 11293 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1018 mSolverCounterUnsat, 649 mSDtfsCounter, 10275 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10154 GetRequests, 9480 SyntacticMatches, 85 SemanticMatches, 589 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8585 ImplicationChecksByTransitivity, 6.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=214occurred in iteration=15, InterpolantAutomatonStates: 443, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 17 MinimizatonAttempts, 239 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 34.0s InterpolantComputationTime, 8431 NumberOfCodeBlocks, 7942 NumberOfCodeBlocksAsserted, 94 NumberOfCheckSat, 12588 ConstructedInterpolants, 0 QuantifiedInterpolants, 19060 SizeOfPredicates, 67 NumberOfNonLiveVariables, 8403 ConjunctsInSsa, 455 ConjunctsInUnsatCore, 47 InterpolantComputations, 2 PerfectInterpolantSequences, 137992/163794 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - ProcedureContractResult [Line: 19]: Procedure Contract for fibo2 Derived contract for procedure fibo2. Ensures: ((((\result == 0) || (n == 1)) || (1 < n)) && (((\result == 1) || (n < 1)) || (3 < n))) - ProcedureContractResult [Line: 9]: Procedure Contract for fibo1 Derived contract for procedure fibo1. Ensures: ((((\result == 0) || ((n == 1) && (\result == 1))) || (2 < n)) && ((21 == \result) || (n != 8))) RESULT: Ultimate proved your program to be correct! [2024-11-09 23:23:00,484 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE