./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/array-tiling/nr5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/array-tiling/nr5.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-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 ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7a05e17fa6f76d5004d5085f0b83441da7dbecb194f05c3b661e69c00b5f4df0 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 21:58:42,500 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 21:58:42,571 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-22 21:58:42,587 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 21:58:42,589 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 21:58:42,622 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 21:58:42,624 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 21:58:42,624 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 21:58:42,625 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 21:58:42,626 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 21:58:42,627 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 21:58:42,627 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 21:58:42,628 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 21:58:42,629 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 21:58:42,630 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 21:58:42,630 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 21:58:42,630 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 21:58:42,631 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 21:58:42,631 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 21:58:42,631 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 21:58:42,635 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 21:58:42,635 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 21:58:42,635 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 21:58:42,636 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 21:58:42,636 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 21:58:42,636 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-22 21:58:42,637 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-22 21:58:42,637 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 21:58:42,637 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 21:58:42,637 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 21:58:42,638 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 21:58:42,639 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 21:58:42,639 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 21:58:42,639 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 21:58:42,639 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 21:58:42,640 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 21:58:42,640 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 21:58:42,640 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 21:58:42,640 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 21:58:42,641 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 21:58:42,641 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 21:58:42,641 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 21:58:42,641 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 21:58:42,642 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 21:58:42,642 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7a05e17fa6f76d5004d5085f0b83441da7dbecb194f05c3b661e69c00b5f4df0 [2024-11-22 21:58:42,918 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 21:58:42,948 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 21:58:42,955 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 21:58:42,956 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 21:58:42,956 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 21:58:42,958 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-tiling/nr5.c [2024-11-22 21:58:44,356 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 21:58:44,614 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 21:58:44,615 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-tiling/nr5.c [2024-11-22 21:58:44,622 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40707c32d/117a2199b8bd429f923f8fbd1b388bc3/FLAG194cbc2ec [2024-11-22 21:58:44,980 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40707c32d/117a2199b8bd429f923f8fbd1b388bc3 [2024-11-22 21:58:44,982 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 21:58:44,983 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 21:58:44,985 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 21:58:44,985 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 21:58:44,990 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 21:58:44,991 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 09:58:44" (1/1) ... [2024-11-22 21:58:44,992 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@815d04e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:58:44, skipping insertion in model container [2024-11-22 21:58:44,994 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 09:58:44" (1/1) ... [2024-11-22 21:58:45,015 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 21:58:45,220 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 21:58:45,233 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 21:58:45,258 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 21:58:45,275 INFO L204 MainTranslator]: Completed translation [2024-11-22 21:58:45,276 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:58:45 WrapperNode [2024-11-22 21:58:45,276 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 21:58:45,278 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 21:58:45,278 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 21:58:45,279 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 21:58:45,290 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:58:45" (1/1) ... [2024-11-22 21:58:45,300 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:58:45" (1/1) ... [2024-11-22 21:58:45,331 INFO L138 Inliner]: procedures = 15, calls = 23, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 98 [2024-11-22 21:58:45,333 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 21:58:45,334 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 21:58:45,334 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 21:58:45,335 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 21:58:45,344 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:58:45" (1/1) ... [2024-11-22 21:58:45,345 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:58:45" (1/1) ... [2024-11-22 21:58:45,347 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:58:45" (1/1) ... [2024-11-22 21:58:45,363 INFO L175 MemorySlicer]: Split 12 memory accesses to 3 slices as follows [2, 6, 4]. 50 percent of accesses are in the largest equivalence class. The 8 initializations are split as follows [2, 6, 0]. The 2 writes are split as follows [0, 0, 2]. [2024-11-22 21:58:45,363 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:58:45" (1/1) ... [2024-11-22 21:58:45,364 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:58:45" (1/1) ... [2024-11-22 21:58:45,369 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:58:45" (1/1) ... [2024-11-22 21:58:45,377 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:58:45" (1/1) ... [2024-11-22 21:58:45,378 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:58:45" (1/1) ... [2024-11-22 21:58:45,379 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:58:45" (1/1) ... [2024-11-22 21:58:45,385 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 21:58:45,386 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 21:58:45,386 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 21:58:45,387 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 21:58:45,390 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:58:45" (1/1) ... [2024-11-22 21:58:45,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 21:58:45,409 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 21:58:45,427 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) [2024-11-22 21:58:45,431 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 [2024-11-22 21:58:45,479 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 21:58:45,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 21:58:45,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-22 21:58:45,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-22 21:58:45,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-22 21:58:45,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-22 21:58:45,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-22 21:58:45,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-22 21:58:45,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 21:58:45,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 21:58:45,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-22 21:58:45,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-22 21:58:45,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-22 21:58:45,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-22 21:58:45,571 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 21:58:45,573 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 21:58:45,848 INFO L? ?]: Removed 35 outVars from TransFormulas that were not future-live. [2024-11-22 21:58:45,848 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 21:58:45,869 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 21:58:45,869 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-22 21:58:45,870 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:58:45 BoogieIcfgContainer [2024-11-22 21:58:45,870 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 21:58:45,872 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 21:58:45,873 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 21:58:45,876 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 21:58:45,877 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 09:58:44" (1/3) ... [2024-11-22 21:58:45,878 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b1b74bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 09:58:45, skipping insertion in model container [2024-11-22 21:58:45,879 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:58:45" (2/3) ... [2024-11-22 21:58:45,879 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b1b74bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 09:58:45, skipping insertion in model container [2024-11-22 21:58:45,879 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:58:45" (3/3) ... [2024-11-22 21:58:45,881 INFO L112 eAbstractionObserver]: Analyzing ICFG nr5.c [2024-11-22 21:58:45,898 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 21:58:45,899 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2024-11-22 21:58:45,962 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 21:58:45,968 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;@661f1abf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 21:58:45,969 INFO L334 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2024-11-22 21:58:45,974 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 40 states have (on average 1.7) internal successors, (68), 56 states have internal predecessors, (68), 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) [2024-11-22 21:58:45,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-22 21:58:45,983 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 21:58:45,984 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-22 21:58:45,985 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-22 21:58:45,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:58:45,995 INFO L85 PathProgramCache]: Analyzing trace with hash 1804997193, now seen corresponding path program 1 times [2024-11-22 21:58:46,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:58:46,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102716562] [2024-11-22 21:58:46,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:58:46,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:58:46,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:58:46,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 21:58:46,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:58:46,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102716562] [2024-11-22 21:58:46,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1102716562] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:58:46,192 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 21:58:46,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 21:58:46,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860982898] [2024-11-22 21:58:46,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:58:46,198 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-22 21:58:46,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:58:46,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-22 21:58:46,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 21:58:46,221 INFO L87 Difference]: Start difference. First operand has 57 states, 40 states have (on average 1.7) internal successors, (68), 56 states have internal predecessors, (68), 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) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) [2024-11-22 21:58:46,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 21:58:46,243 INFO L93 Difference]: Finished difference Result 108 states and 127 transitions. [2024-11-22 21:58:46,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-22 21:58:46,246 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) Word has length 7 [2024-11-22 21:58:46,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 21:58:46,253 INFO L225 Difference]: With dead ends: 108 [2024-11-22 21:58:46,254 INFO L226 Difference]: Without dead ends: 50 [2024-11-22 21:58:46,256 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 21:58:46,259 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 21:58:46,260 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 21:58:46,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-11-22 21:58:46,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2024-11-22 21:58:46,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 34 states have (on average 1.588235294117647) internal successors, (54), 49 states have internal predecessors, (54), 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) [2024-11-22 21:58:46,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 54 transitions. [2024-11-22 21:58:46,290 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 54 transitions. Word has length 7 [2024-11-22 21:58:46,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 21:58:46,291 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 54 transitions. [2024-11-22 21:58:46,291 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) [2024-11-22 21:58:46,291 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 54 transitions. [2024-11-22 21:58:46,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-22 21:58:46,291 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 21:58:46,292 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-22 21:58:46,292 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-22 21:58:46,292 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-22 21:58:46,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:58:46,293 INFO L85 PathProgramCache]: Analyzing trace with hash 1804999115, now seen corresponding path program 1 times [2024-11-22 21:58:46,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:58:46,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503563855] [2024-11-22 21:58:46,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:58:46,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:58:46,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:58:46,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 21:58:46,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:58:46,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503563855] [2024-11-22 21:58:46,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [503563855] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:58:46,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 21:58:46,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 21:58:46,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48874566] [2024-11-22 21:58:46,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:58:46,640 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 21:58:46,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:58:46,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 21:58:46,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 21:58:46,642 INFO L87 Difference]: Start difference. First operand 50 states and 54 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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) [2024-11-22 21:58:46,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 21:58:46,683 INFO L93 Difference]: Finished difference Result 50 states and 54 transitions. [2024-11-22 21:58:46,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 21:58:46,684 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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) Word has length 7 [2024-11-22 21:58:46,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 21:58:46,686 INFO L225 Difference]: With dead ends: 50 [2024-11-22 21:58:46,686 INFO L226 Difference]: Without dead ends: 49 [2024-11-22 21:58:46,686 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 21:58:46,689 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 94 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 21:58:46,689 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 46 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 21:58:46,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2024-11-22 21:58:46,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2024-11-22 21:58:46,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 34 states have (on average 1.5588235294117647) internal successors, (53), 48 states have internal predecessors, (53), 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) [2024-11-22 21:58:46,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 53 transitions. [2024-11-22 21:58:46,701 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 53 transitions. Word has length 7 [2024-11-22 21:58:46,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 21:58:46,702 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 53 transitions. [2024-11-22 21:58:46,702 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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) [2024-11-22 21:58:46,702 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 53 transitions. [2024-11-22 21:58:46,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-22 21:58:46,703 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 21:58:46,703 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 21:58:46,704 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 21:58:46,704 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-22 21:58:46,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:58:46,705 INFO L85 PathProgramCache]: Analyzing trace with hash 120397771, now seen corresponding path program 1 times [2024-11-22 21:58:46,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:58:46,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059921329] [2024-11-22 21:58:46,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:58:46,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:58:46,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:58:46,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 21:58:46,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:58:46,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059921329] [2024-11-22 21:58:46,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059921329] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:58:46,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 21:58:46,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 21:58:46,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004443049] [2024-11-22 21:58:46,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:58:46,960 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 21:58:46,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:58:46,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 21:58:46,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 21:58:46,961 INFO L87 Difference]: Start difference. First operand 49 states and 53 transitions. Second operand has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 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) [2024-11-22 21:58:47,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 21:58:47,024 INFO L93 Difference]: Finished difference Result 49 states and 53 transitions. [2024-11-22 21:58:47,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 21:58:47,025 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 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) Word has length 8 [2024-11-22 21:58:47,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 21:58:47,025 INFO L225 Difference]: With dead ends: 49 [2024-11-22 21:58:47,025 INFO L226 Difference]: Without dead ends: 48 [2024-11-22 21:58:47,026 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-22 21:58:47,027 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 94 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 21:58:47,027 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 45 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 21:58:47,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2024-11-22 21:58:47,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2024-11-22 21:58:47,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 34 states have (on average 1.5294117647058822) internal successors, (52), 47 states have internal predecessors, (52), 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) [2024-11-22 21:58:47,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 52 transitions. [2024-11-22 21:58:47,040 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 52 transitions. Word has length 8 [2024-11-22 21:58:47,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 21:58:47,041 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 52 transitions. [2024-11-22 21:58:47,041 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 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) [2024-11-22 21:58:47,041 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 52 transitions. [2024-11-22 21:58:47,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-22 21:58:47,042 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 21:58:47,042 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 21:58:47,042 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 21:58:47,043 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-22 21:58:47,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:58:47,045 INFO L85 PathProgramCache]: Analyzing trace with hash 1758336115, now seen corresponding path program 1 times [2024-11-22 21:58:47,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:58:47,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893817778] [2024-11-22 21:58:47,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:58:47,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:58:47,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:58:47,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 21:58:47,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:58:47,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893817778] [2024-11-22 21:58:47,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893817778] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:58:47,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 21:58:47,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 21:58:47,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693156932] [2024-11-22 21:58:47,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:58:47,112 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 21:58:47,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:58:47,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 21:58:47,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 21:58:47,113 INFO L87 Difference]: Start difference. First operand 48 states and 52 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2024-11-22 21:58:47,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 21:58:47,176 INFO L93 Difference]: Finished difference Result 105 states and 119 transitions. [2024-11-22 21:58:47,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 21:58:47,177 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) Word has length 12 [2024-11-22 21:58:47,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 21:58:47,178 INFO L225 Difference]: With dead ends: 105 [2024-11-22 21:58:47,178 INFO L226 Difference]: Without dead ends: 63 [2024-11-22 21:58:47,178 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 21:58:47,181 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 15 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 21:58:47,183 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 75 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 21:58:47,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2024-11-22 21:58:47,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 49. [2024-11-22 21:58:47,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 35 states have (on average 1.5142857142857142) internal successors, (53), 48 states have internal predecessors, (53), 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) [2024-11-22 21:58:47,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 53 transitions. [2024-11-22 21:58:47,196 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 53 transitions. Word has length 12 [2024-11-22 21:58:47,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 21:58:47,196 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 53 transitions. [2024-11-22 21:58:47,196 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2024-11-22 21:58:47,198 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 53 transitions. [2024-11-22 21:58:47,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-22 21:58:47,198 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 21:58:47,198 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 21:58:47,199 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-22 21:58:47,199 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-22 21:58:47,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:58:47,199 INFO L85 PathProgramCache]: Analyzing trace with hash 1758337461, now seen corresponding path program 1 times [2024-11-22 21:58:47,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:58:47,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128856842] [2024-11-22 21:58:47,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:58:47,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:58:47,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:58:47,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 21:58:47,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:58:47,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128856842] [2024-11-22 21:58:47,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128856842] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:58:47,266 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 21:58:47,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 21:58:47,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672881889] [2024-11-22 21:58:47,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:58:47,268 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 21:58:47,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:58:47,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 21:58:47,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 21:58:47,270 INFO L87 Difference]: Start difference. First operand 49 states and 53 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2024-11-22 21:58:47,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 21:58:47,338 INFO L93 Difference]: Finished difference Result 100 states and 111 transitions. [2024-11-22 21:58:47,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 21:58:47,339 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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) Word has length 12 [2024-11-22 21:58:47,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 21:58:47,339 INFO L225 Difference]: With dead ends: 100 [2024-11-22 21:58:47,339 INFO L226 Difference]: Without dead ends: 57 [2024-11-22 21:58:47,340 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 21:58:47,343 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 60 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 21:58:47,344 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 77 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 21:58:47,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2024-11-22 21:58:47,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 50. [2024-11-22 21:58:47,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 36 states have (on average 1.5) internal successors, (54), 49 states have internal predecessors, (54), 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) [2024-11-22 21:58:47,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 54 transitions. [2024-11-22 21:58:47,353 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 54 transitions. Word has length 12 [2024-11-22 21:58:47,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 21:58:47,353 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 54 transitions. [2024-11-22 21:58:47,354 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2024-11-22 21:58:47,354 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 54 transitions. [2024-11-22 21:58:47,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-22 21:58:47,355 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 21:58:47,355 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 21:58:47,355 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-22 21:58:47,355 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-22 21:58:47,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:58:47,356 INFO L85 PathProgramCache]: Analyzing trace with hash 1758337141, now seen corresponding path program 1 times [2024-11-22 21:58:47,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:58:47,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427946037] [2024-11-22 21:58:47,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:58:47,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:58:47,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:58:47,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 21:58:47,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:58:47,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427946037] [2024-11-22 21:58:47,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427946037] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:58:47,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 21:58:47,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 21:58:47,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645175550] [2024-11-22 21:58:47,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:58:47,412 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 21:58:47,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:58:47,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 21:58:47,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 21:58:47,413 INFO L87 Difference]: Start difference. First operand 50 states and 54 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2024-11-22 21:58:47,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 21:58:47,508 INFO L93 Difference]: Finished difference Result 75 states and 86 transitions. [2024-11-22 21:58:47,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 21:58:47,509 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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) Word has length 12 [2024-11-22 21:58:47,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 21:58:47,513 INFO L225 Difference]: With dead ends: 75 [2024-11-22 21:58:47,514 INFO L226 Difference]: Without dead ends: 71 [2024-11-22 21:58:47,514 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 21:58:47,515 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 15 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 21:58:47,515 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 61 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 21:58:47,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2024-11-22 21:58:47,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 68. [2024-11-22 21:58:47,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 54 states have (on average 1.5) internal successors, (81), 67 states have internal predecessors, (81), 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) [2024-11-22 21:58:47,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 81 transitions. [2024-11-22 21:58:47,528 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 81 transitions. Word has length 12 [2024-11-22 21:58:47,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 21:58:47,528 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 81 transitions. [2024-11-22 21:58:47,528 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2024-11-22 21:58:47,529 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 81 transitions. [2024-11-22 21:58:47,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-22 21:58:47,529 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 21:58:47,529 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 21:58:47,532 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-22 21:58:47,532 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-22 21:58:47,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:58:47,533 INFO L85 PathProgramCache]: Analyzing trace with hash 1839847543, now seen corresponding path program 1 times [2024-11-22 21:58:47,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:58:47,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913476252] [2024-11-22 21:58:47,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:58:47,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:58:47,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:58:47,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 21:58:47,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:58:47,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913476252] [2024-11-22 21:58:47,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [913476252] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:58:47,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 21:58:47,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 21:58:47,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912249232] [2024-11-22 21:58:47,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:58:47,600 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 21:58:47,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:58:47,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 21:58:47,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 21:58:47,601 INFO L87 Difference]: Start difference. First operand 68 states and 81 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 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) [2024-11-22 21:58:47,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 21:58:47,668 INFO L93 Difference]: Finished difference Result 78 states and 89 transitions. [2024-11-22 21:58:47,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 21:58:47,669 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 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) Word has length 14 [2024-11-22 21:58:47,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 21:58:47,669 INFO L225 Difference]: With dead ends: 78 [2024-11-22 21:58:47,670 INFO L226 Difference]: Without dead ends: 76 [2024-11-22 21:58:47,670 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 21:58:47,671 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 22 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 21:58:47,671 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 63 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 21:58:47,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2024-11-22 21:58:47,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 72. [2024-11-22 21:58:47,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 58 states have (on average 1.4655172413793103) internal successors, (85), 71 states have internal predecessors, (85), 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) [2024-11-22 21:58:47,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 85 transitions. [2024-11-22 21:58:47,677 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 85 transitions. Word has length 14 [2024-11-22 21:58:47,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 21:58:47,677 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 85 transitions. [2024-11-22 21:58:47,678 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 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) [2024-11-22 21:58:47,678 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 85 transitions. [2024-11-22 21:58:47,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-22 21:58:47,678 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 21:58:47,678 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 21:58:47,679 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-22 21:58:47,679 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-22 21:58:47,679 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:58:47,679 INFO L85 PathProgramCache]: Analyzing trace with hash -1175496642, now seen corresponding path program 1 times [2024-11-22 21:58:47,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:58:47,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125208346] [2024-11-22 21:58:47,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:58:47,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:58:47,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:58:47,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 21:58:47,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:58:47,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125208346] [2024-11-22 21:58:47,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125208346] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:58:47,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 21:58:47,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 21:58:47,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310879541] [2024-11-22 21:58:47,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:58:47,729 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 21:58:47,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:58:47,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 21:58:47,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 21:58:47,730 INFO L87 Difference]: Start difference. First operand 72 states and 85 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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) [2024-11-22 21:58:47,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 21:58:47,774 INFO L93 Difference]: Finished difference Result 82 states and 96 transitions. [2024-11-22 21:58:47,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 21:58:47,775 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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) Word has length 17 [2024-11-22 21:58:47,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 21:58:47,776 INFO L225 Difference]: With dead ends: 82 [2024-11-22 21:58:47,776 INFO L226 Difference]: Without dead ends: 80 [2024-11-22 21:58:47,776 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 21:58:47,777 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 2 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 21:58:47,777 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 114 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 21:58:47,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-11-22 21:58:47,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2024-11-22 21:58:47,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 66 states have (on average 1.4242424242424243) internal successors, (94), 79 states have internal predecessors, (94), 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) [2024-11-22 21:58:47,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 94 transitions. [2024-11-22 21:58:47,787 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 94 transitions. Word has length 17 [2024-11-22 21:58:47,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 21:58:47,787 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 94 transitions. [2024-11-22 21:58:47,788 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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) [2024-11-22 21:58:47,788 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 94 transitions. [2024-11-22 21:58:47,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-22 21:58:47,788 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 21:58:47,788 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 21:58:47,790 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-22 21:58:47,791 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-22 21:58:47,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:58:47,791 INFO L85 PathProgramCache]: Analyzing trace with hash -1474400199, now seen corresponding path program 1 times [2024-11-22 21:58:47,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:58:47,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077119499] [2024-11-22 21:58:47,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:58:47,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:58:47,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:58:47,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 21:58:47,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:58:47,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077119499] [2024-11-22 21:58:47,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1077119499] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:58:47,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 21:58:47,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 21:58:47,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590997609] [2024-11-22 21:58:47,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:58:47,857 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 21:58:47,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:58:47,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 21:58:47,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 21:58:47,857 INFO L87 Difference]: Start difference. First operand 80 states and 94 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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) [2024-11-22 21:58:47,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 21:58:47,902 INFO L93 Difference]: Finished difference Result 94 states and 112 transitions. [2024-11-22 21:58:47,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 21:58:47,903 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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) Word has length 17 [2024-11-22 21:58:47,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 21:58:47,903 INFO L225 Difference]: With dead ends: 94 [2024-11-22 21:58:47,904 INFO L226 Difference]: Without dead ends: 92 [2024-11-22 21:58:47,904 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 21:58:47,904 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 3 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 121 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 [2024-11-22 21:58:47,905 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 121 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 21:58:47,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2024-11-22 21:58:47,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 90. [2024-11-22 21:58:47,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 76 states have (on average 1.4210526315789473) internal successors, (108), 89 states have internal predecessors, (108), 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) [2024-11-22 21:58:47,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 108 transitions. [2024-11-22 21:58:47,918 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 108 transitions. Word has length 17 [2024-11-22 21:58:47,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 21:58:47,918 INFO L471 AbstractCegarLoop]: Abstraction has 90 states and 108 transitions. [2024-11-22 21:58:47,919 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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) [2024-11-22 21:58:47,919 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 108 transitions. [2024-11-22 21:58:47,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-22 21:58:47,919 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 21:58:47,919 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 21:58:47,919 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-22 21:58:47,920 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-22 21:58:47,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:58:47,920 INFO L85 PathProgramCache]: Analyzing trace with hash -1766496546, now seen corresponding path program 1 times [2024-11-22 21:58:47,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:58:47,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172496616] [2024-11-22 21:58:47,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:58:47,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:58:47,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:58:47,992 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 21:58:47,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:58:47,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172496616] [2024-11-22 21:58:47,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172496616] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 21:58:47,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [748033962] [2024-11-22 21:58:47,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:58:47,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 21:58:47,995 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 21:58:47,999 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) [2024-11-22 21:58:48,001 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-22 21:58:48,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:58:48,053 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 21:58:48,061 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 21:58:48,126 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 21:58:48,127 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 21:58:48,171 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 21:58:48,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [748033962] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 21:58:48,173 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 21:58:48,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-22 21:58:48,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074376711] [2024-11-22 21:58:48,174 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 21:58:48,174 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-22 21:58:48,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:58:48,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-22 21:58:48,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-22 21:58:48,175 INFO L87 Difference]: Start difference. First operand 90 states and 108 transitions. Second operand has 10 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 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) [2024-11-22 21:58:48,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 21:58:48,263 INFO L93 Difference]: Finished difference Result 183 states and 226 transitions. [2024-11-22 21:58:48,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-22 21:58:48,263 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 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) Word has length 21 [2024-11-22 21:58:48,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 21:58:48,265 INFO L225 Difference]: With dead ends: 183 [2024-11-22 21:58:48,266 INFO L226 Difference]: Without dead ends: 124 [2024-11-22 21:58:48,266 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-22 21:58:48,267 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 36 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 21:58:48,267 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 171 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 21:58:48,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2024-11-22 21:58:48,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 118. [2024-11-22 21:58:48,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 104 states have (on average 1.4615384615384615) internal successors, (152), 117 states have internal predecessors, (152), 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) [2024-11-22 21:58:48,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 152 transitions. [2024-11-22 21:58:48,283 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 152 transitions. Word has length 21 [2024-11-22 21:58:48,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 21:58:48,283 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 152 transitions. [2024-11-22 21:58:48,283 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 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) [2024-11-22 21:58:48,283 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 152 transitions. [2024-11-22 21:58:48,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-22 21:58:48,287 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 21:58:48,287 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 21:58:48,295 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-22 21:58:48,488 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-22 21:58:48,488 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-22 21:58:48,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:58:48,489 INFO L85 PathProgramCache]: Analyzing trace with hash -1089802590, now seen corresponding path program 1 times [2024-11-22 21:58:48,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:58:48,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394062565] [2024-11-22 21:58:48,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:58:48,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:58:48,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:58:48,597 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 21:58:48,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:58:48,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394062565] [2024-11-22 21:58:48,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1394062565] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 21:58:48,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1809642296] [2024-11-22 21:58:48,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:58:48,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 21:58:48,598 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 21:58:48,601 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) [2024-11-22 21:58:48,603 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-22 21:58:48,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:58:48,653 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 21:58:48,654 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 21:58:48,740 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 21:58:48,740 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 21:58:48,805 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 21:58:48,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1809642296] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 21:58:48,806 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 21:58:48,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 14 [2024-11-22 21:58:48,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799812089] [2024-11-22 21:58:48,806 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 21:58:48,806 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-22 21:58:48,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:58:48,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-22 21:58:48,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2024-11-22 21:58:48,807 INFO L87 Difference]: Start difference. First operand 118 states and 152 transitions. Second operand has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 14 states have internal predecessors, (59), 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) [2024-11-22 21:58:48,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 21:58:48,905 INFO L93 Difference]: Finished difference Result 212 states and 268 transitions. [2024-11-22 21:58:48,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-22 21:58:48,906 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 14 states have internal predecessors, (59), 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) Word has length 23 [2024-11-22 21:58:48,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 21:58:48,910 INFO L225 Difference]: With dead ends: 212 [2024-11-22 21:58:48,910 INFO L226 Difference]: Without dead ends: 118 [2024-11-22 21:58:48,911 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2024-11-22 21:58:48,911 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 133 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 21:58:48,911 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 163 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 21:58:48,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-11-22 21:58:48,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 112. [2024-11-22 21:58:48,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 98 states have (on average 1.4081632653061225) internal successors, (138), 111 states have internal predecessors, (138), 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) [2024-11-22 21:58:48,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 138 transitions. [2024-11-22 21:58:48,921 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 138 transitions. Word has length 23 [2024-11-22 21:58:48,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 21:58:48,922 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 138 transitions. [2024-11-22 21:58:48,922 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 14 states have internal predecessors, (59), 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) [2024-11-22 21:58:48,922 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 138 transitions. [2024-11-22 21:58:48,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-22 21:58:48,922 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 21:58:48,922 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 21:58:48,930 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-22 21:58:49,123 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,SelfDestructingSolverStorable10 [2024-11-22 21:58:49,123 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-22 21:58:49,124 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:58:49,124 INFO L85 PathProgramCache]: Analyzing trace with hash -1090110430, now seen corresponding path program 1 times [2024-11-22 21:58:49,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:58:49,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031465720] [2024-11-22 21:58:49,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:58:49,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:58:49,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:58:49,215 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 21:58:49,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:58:49,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031465720] [2024-11-22 21:58:49,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031465720] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 21:58:49,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [607914817] [2024-11-22 21:58:49,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:58:49,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 21:58:49,216 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 21:58:49,218 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) [2024-11-22 21:58:49,219 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-22 21:58:49,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:58:49,265 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 21:58:49,266 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 21:58:49,360 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 21:58:49,361 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 21:58:49,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [607914817] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:58:49,361 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 21:58:49,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2024-11-22 21:58:49,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119282439] [2024-11-22 21:58:49,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:58:49,361 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 21:58:49,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:58:49,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 21:58:49,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-22 21:58:49,362 INFO L87 Difference]: Start difference. First operand 112 states and 138 transitions. Second operand has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 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) [2024-11-22 21:58:49,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 21:58:49,472 INFO L93 Difference]: Finished difference Result 117 states and 139 transitions. [2024-11-22 21:58:49,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 21:58:49,473 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 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) Word has length 23 [2024-11-22 21:58:49,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 21:58:49,474 INFO L225 Difference]: With dead ends: 117 [2024-11-22 21:58:49,474 INFO L226 Difference]: Without dead ends: 114 [2024-11-22 21:58:49,474 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-22 21:58:49,474 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 14 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 21:58:49,475 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 86 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 21:58:49,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-11-22 21:58:49,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 112. [2024-11-22 21:58:49,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 98 states have (on average 1.3571428571428572) internal successors, (133), 111 states have internal predecessors, (133), 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) [2024-11-22 21:58:49,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 133 transitions. [2024-11-22 21:58:49,479 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 133 transitions. Word has length 23 [2024-11-22 21:58:49,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 21:58:49,480 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 133 transitions. [2024-11-22 21:58:49,480 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 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) [2024-11-22 21:58:49,480 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 133 transitions. [2024-11-22 21:58:49,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-22 21:58:49,480 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 21:58:49,481 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 21:58:49,488 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-22 21:58:49,681 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 21:58:49,682 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-22 21:58:49,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:58:49,682 INFO L85 PathProgramCache]: Analyzing trace with hash 566315116, now seen corresponding path program 1 times [2024-11-22 21:58:49,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:58:49,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607286462] [2024-11-22 21:58:49,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:58:49,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:58:49,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:58:49,745 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-22 21:58:49,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:58:49,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607286462] [2024-11-22 21:58:49,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607286462] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:58:49,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 21:58:49,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 21:58:49,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880131083] [2024-11-22 21:58:49,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:58:49,747 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 21:58:49,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:58:49,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 21:58:49,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 21:58:49,748 INFO L87 Difference]: Start difference. First operand 112 states and 133 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 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) [2024-11-22 21:58:49,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 21:58:49,805 INFO L93 Difference]: Finished difference Result 116 states and 134 transitions. [2024-11-22 21:58:49,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 21:58:49,806 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 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) Word has length 24 [2024-11-22 21:58:49,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 21:58:49,807 INFO L225 Difference]: With dead ends: 116 [2024-11-22 21:58:49,807 INFO L226 Difference]: Without dead ends: 114 [2024-11-22 21:58:49,807 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 21:58:49,808 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 13 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 21:58:49,808 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 65 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 21:58:49,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-11-22 21:58:49,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 112. [2024-11-22 21:58:49,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 98 states have (on average 1.3265306122448979) internal successors, (130), 111 states have internal predecessors, (130), 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) [2024-11-22 21:58:49,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 130 transitions. [2024-11-22 21:58:49,813 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 130 transitions. Word has length 24 [2024-11-22 21:58:49,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 21:58:49,813 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 130 transitions. [2024-11-22 21:58:49,814 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 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) [2024-11-22 21:58:49,814 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 130 transitions. [2024-11-22 21:58:49,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-22 21:58:49,815 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 21:58:49,815 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 21:58:49,815 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-22 21:58:49,815 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-22 21:58:49,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:58:49,816 INFO L85 PathProgramCache]: Analyzing trace with hash 639632014, now seen corresponding path program 1 times [2024-11-22 21:58:49,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:58:49,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794482342] [2024-11-22 21:58:49,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:58:49,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:58:49,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:58:49,937 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-22 21:58:49,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:58:49,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794482342] [2024-11-22 21:58:49,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794482342] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:58:49,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 21:58:49,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 21:58:49,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734974809] [2024-11-22 21:58:49,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:58:49,938 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 21:58:49,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:58:49,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 21:58:49,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-22 21:58:49,940 INFO L87 Difference]: Start difference. First operand 112 states and 130 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 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) [2024-11-22 21:58:49,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 21:58:49,997 INFO L93 Difference]: Finished difference Result 133 states and 152 transitions. [2024-11-22 21:58:49,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 21:58:49,998 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 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) Word has length 25 [2024-11-22 21:58:49,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 21:58:49,998 INFO L225 Difference]: With dead ends: 133 [2024-11-22 21:58:49,999 INFO L226 Difference]: Without dead ends: 114 [2024-11-22 21:58:49,999 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-22 21:58:49,999 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 111 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 21:58:50,000 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 57 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 21:58:50,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-11-22 21:58:50,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 112. [2024-11-22 21:58:50,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 98 states have (on average 1.316326530612245) internal successors, (129), 111 states have internal predecessors, (129), 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) [2024-11-22 21:58:50,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 129 transitions. [2024-11-22 21:58:50,005 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 129 transitions. Word has length 25 [2024-11-22 21:58:50,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 21:58:50,005 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 129 transitions. [2024-11-22 21:58:50,006 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 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) [2024-11-22 21:58:50,006 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 129 transitions. [2024-11-22 21:58:50,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-22 21:58:50,006 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 21:58:50,007 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 21:58:50,007 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-22 21:58:50,007 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-22 21:58:50,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:58:50,008 INFO L85 PathProgramCache]: Analyzing trace with hash -621403175, now seen corresponding path program 1 times [2024-11-22 21:58:50,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:58:50,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329164210] [2024-11-22 21:58:50,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:58:50,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:58:50,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:58:50,065 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-22 21:58:50,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:58:50,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329164210] [2024-11-22 21:58:50,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1329164210] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:58:50,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 21:58:50,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 21:58:50,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202767022] [2024-11-22 21:58:50,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:58:50,067 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 21:58:50,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:58:50,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 21:58:50,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 21:58:50,068 INFO L87 Difference]: Start difference. First operand 112 states and 129 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 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) [2024-11-22 21:58:50,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 21:58:50,102 INFO L93 Difference]: Finished difference Result 112 states and 129 transitions. [2024-11-22 21:58:50,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 21:58:50,103 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 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) Word has length 35 [2024-11-22 21:58:50,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 21:58:50,103 INFO L225 Difference]: With dead ends: 112 [2024-11-22 21:58:50,103 INFO L226 Difference]: Without dead ends: 111 [2024-11-22 21:58:50,104 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 21:58:50,104 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 10 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 95 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 [2024-11-22 21:58:50,105 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 95 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 21:58:50,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-11-22 21:58:50,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2024-11-22 21:58:50,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 98 states have (on average 1.2959183673469388) internal successors, (127), 110 states have internal predecessors, (127), 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) [2024-11-22 21:58:50,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 127 transitions. [2024-11-22 21:58:50,112 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 127 transitions. Word has length 35 [2024-11-22 21:58:50,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 21:58:50,112 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 127 transitions. [2024-11-22 21:58:50,112 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 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) [2024-11-22 21:58:50,112 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 127 transitions. [2024-11-22 21:58:50,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-22 21:58:50,114 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 21:58:50,115 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 21:58:50,115 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-22 21:58:50,115 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-22 21:58:50,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:58:50,115 INFO L85 PathProgramCache]: Analyzing trace with hash 1766476414, now seen corresponding path program 2 times [2024-11-22 21:58:50,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:58:50,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495541719] [2024-11-22 21:58:50,116 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 21:58:50,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:58:50,128 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-22 21:58:50,128 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 21:58:50,167 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-22 21:58:50,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:58:50,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495541719] [2024-11-22 21:58:50,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495541719] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:58:50,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 21:58:50,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 21:58:50,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905596221] [2024-11-22 21:58:50,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:58:50,168 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 21:58:50,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:58:50,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 21:58:50,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 21:58:50,169 INFO L87 Difference]: Start difference. First operand 111 states and 127 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 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) [2024-11-22 21:58:50,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 21:58:50,233 INFO L93 Difference]: Finished difference Result 116 states and 132 transitions. [2024-11-22 21:58:50,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 21:58:50,234 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 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) Word has length 39 [2024-11-22 21:58:50,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 21:58:50,234 INFO L225 Difference]: With dead ends: 116 [2024-11-22 21:58:50,234 INFO L226 Difference]: Without dead ends: 114 [2024-11-22 21:58:50,235 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 21:58:50,235 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 6 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 21:58:50,235 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 97 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 21:58:50,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-11-22 21:58:50,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2024-11-22 21:58:50,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 101 states have (on average 1.2871287128712872) internal successors, (130), 113 states have internal predecessors, (130), 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) [2024-11-22 21:58:50,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 130 transitions. [2024-11-22 21:58:50,240 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 130 transitions. Word has length 39 [2024-11-22 21:58:50,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 21:58:50,240 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 130 transitions. [2024-11-22 21:58:50,240 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 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) [2024-11-22 21:58:50,241 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 130 transitions. [2024-11-22 21:58:50,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-22 21:58:50,241 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 21:58:50,241 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 21:58:50,241 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-22 21:58:50,242 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-22 21:58:50,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:58:50,242 INFO L85 PathProgramCache]: Analyzing trace with hash 382661460, now seen corresponding path program 1 times [2024-11-22 21:58:50,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:58:50,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168433537] [2024-11-22 21:58:50,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:58:50,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:58:50,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:58:50,310 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-22 21:58:50,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:58:50,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168433537] [2024-11-22 21:58:50,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168433537] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 21:58:50,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1649959169] [2024-11-22 21:58:50,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:58:50,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 21:58:50,311 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 21:58:50,313 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) [2024-11-22 21:58:50,314 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-22 21:58:50,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:58:50,370 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-22 21:58:50,372 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 21:58:50,463 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 13 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 21:58:50,464 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 21:58:50,571 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 13 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 21:58:50,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1649959169] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 21:58:50,572 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 21:58:50,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 9, 9] total 14 [2024-11-22 21:58:50,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135047581] [2024-11-22 21:58:50,572 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 21:58:50,573 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-22 21:58:50,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:58:50,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-22 21:58:50,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2024-11-22 21:58:50,573 INFO L87 Difference]: Start difference. First operand 114 states and 130 transitions. Second operand has 14 states, 14 states have (on average 5.714285714285714) internal successors, (80), 14 states have internal predecessors, (80), 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) [2024-11-22 21:58:51,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 21:58:51,057 INFO L93 Difference]: Finished difference Result 297 states and 374 transitions. [2024-11-22 21:58:51,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-22 21:58:51,058 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.714285714285714) internal successors, (80), 14 states have internal predecessors, (80), 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) Word has length 46 [2024-11-22 21:58:51,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 21:58:51,061 INFO L225 Difference]: With dead ends: 297 [2024-11-22 21:58:51,061 INFO L226 Difference]: Without dead ends: 225 [2024-11-22 21:58:51,062 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 77 SyntacticMatches, 5 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=177, Invalid=815, Unknown=0, NotChecked=0, Total=992 [2024-11-22 21:58:51,064 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 156 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 423 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 21:58:51,064 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 215 Invalid, 428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 423 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 21:58:51,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2024-11-22 21:58:51,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 213. [2024-11-22 21:58:51,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 200 states have (on average 1.37) internal successors, (274), 212 states have internal predecessors, (274), 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) [2024-11-22 21:58:51,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 274 transitions. [2024-11-22 21:58:51,073 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 274 transitions. Word has length 46 [2024-11-22 21:58:51,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 21:58:51,074 INFO L471 AbstractCegarLoop]: Abstraction has 213 states and 274 transitions. [2024-11-22 21:58:51,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.714285714285714) internal successors, (80), 14 states have internal predecessors, (80), 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) [2024-11-22 21:58:51,074 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 274 transitions. [2024-11-22 21:58:51,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-22 21:58:51,076 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 21:58:51,076 INFO L215 NwaCegarLoop]: trace histogram [6, 5, 5, 5, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 21:58:51,082 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-22 21:58:51,279 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-22 21:58:51,279 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-22 21:58:51,280 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:58:51,280 INFO L85 PathProgramCache]: Analyzing trace with hash 1647312470, now seen corresponding path program 1 times [2024-11-22 21:58:51,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:58:51,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806310040] [2024-11-22 21:58:51,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:58:51,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:58:51,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:58:51,358 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-11-22 21:58:51,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:58:51,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806310040] [2024-11-22 21:58:51,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806310040] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 21:58:51,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [926863813] [2024-11-22 21:58:51,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:58:51,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 21:58:51,359 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 21:58:51,361 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) [2024-11-22 21:58:51,363 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-22 21:58:51,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:58:51,427 INFO L255 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-22 21:58:51,429 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 21:58:51,602 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 47 proven. 33 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-22 21:58:51,604 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 21:58:51,747 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 47 proven. 33 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-22 21:58:51,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [926863813] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 21:58:51,747 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 21:58:51,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 10, 10] total 20 [2024-11-22 21:58:51,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135762377] [2024-11-22 21:58:51,747 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 21:58:51,748 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-22 21:58:51,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:58:51,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-22 21:58:51,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=301, Unknown=0, NotChecked=0, Total=380 [2024-11-22 21:58:51,749 INFO L87 Difference]: Start difference. First operand 213 states and 274 transitions. Second operand has 20 states, 20 states have (on average 5.95) internal successors, (119), 20 states have internal predecessors, (119), 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) [2024-11-22 21:58:52,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 21:58:52,185 INFO L93 Difference]: Finished difference Result 385 states and 490 transitions. [2024-11-22 21:58:52,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-22 21:58:52,185 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 5.95) internal successors, (119), 20 states have internal predecessors, (119), 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) Word has length 65 [2024-11-22 21:58:52,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 21:58:52,187 INFO L225 Difference]: With dead ends: 385 [2024-11-22 21:58:52,187 INFO L226 Difference]: Without dead ends: 214 [2024-11-22 21:58:52,188 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 113 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 385 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=320, Invalid=1240, Unknown=0, NotChecked=0, Total=1560 [2024-11-22 21:58:52,188 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 240 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 283 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 240 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 21:58:52,189 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [240 Valid, 180 Invalid, 292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 283 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 21:58:52,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2024-11-22 21:58:52,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 201. [2024-11-22 21:58:52,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 188 states have (on average 1.2872340425531914) internal successors, (242), 200 states have internal predecessors, (242), 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) [2024-11-22 21:58:52,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 242 transitions. [2024-11-22 21:58:52,197 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 242 transitions. Word has length 65 [2024-11-22 21:58:52,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 21:58:52,197 INFO L471 AbstractCegarLoop]: Abstraction has 201 states and 242 transitions. [2024-11-22 21:58:52,197 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 5.95) internal successors, (119), 20 states have internal predecessors, (119), 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) [2024-11-22 21:58:52,198 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 242 transitions. [2024-11-22 21:58:52,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-22 21:58:52,198 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 21:58:52,198 INFO L215 NwaCegarLoop]: trace histogram [6, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 21:58:52,207 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-22 21:58:52,399 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-22 21:58:52,399 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-22 21:58:52,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:58:52,400 INFO L85 PathProgramCache]: Analyzing trace with hash 1694215468, now seen corresponding path program 1 times [2024-11-22 21:58:52,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:58:52,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738358436] [2024-11-22 21:58:52,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:58:52,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:58:52,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:58:52,517 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2024-11-22 21:58:52,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:58:52,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738358436] [2024-11-22 21:58:52,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738358436] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 21:58:52,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [786016960] [2024-11-22 21:58:52,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:58:52,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 21:58:52,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 21:58:52,521 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) [2024-11-22 21:58:52,522 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-22 21:58:52,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:58:52,585 INFO L255 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 21:58:52,587 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 21:58:52,691 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2024-11-22 21:58:52,691 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 21:58:52,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [786016960] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:58:52,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 21:58:52,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2024-11-22 21:58:52,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022907567] [2024-11-22 21:58:52,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:58:52,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 21:58:52,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:58:52,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 21:58:52,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-22 21:58:52,693 INFO L87 Difference]: Start difference. First operand 201 states and 242 transitions. Second operand has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 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) [2024-11-22 21:58:52,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 21:58:52,789 INFO L93 Difference]: Finished difference Result 202 states and 242 transitions. [2024-11-22 21:58:52,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 21:58:52,789 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 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) Word has length 66 [2024-11-22 21:58:52,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 21:58:52,790 INFO L225 Difference]: With dead ends: 202 [2024-11-22 21:58:52,790 INFO L226 Difference]: Without dead ends: 198 [2024-11-22 21:58:52,791 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-22 21:58:52,791 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 20 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 21:58:52,791 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 93 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 21:58:52,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2024-11-22 21:58:52,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 198. [2024-11-22 21:58:52,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 188 states have (on average 1.2393617021276595) internal successors, (233), 197 states have internal predecessors, (233), 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) [2024-11-22 21:58:52,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 233 transitions. [2024-11-22 21:58:52,802 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 233 transitions. Word has length 66 [2024-11-22 21:58:52,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 21:58:52,802 INFO L471 AbstractCegarLoop]: Abstraction has 198 states and 233 transitions. [2024-11-22 21:58:52,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 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) [2024-11-22 21:58:52,803 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 233 transitions. [2024-11-22 21:58:52,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-22 21:58:52,804 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 21:58:52,804 INFO L215 NwaCegarLoop]: trace histogram [7, 6, 6, 6, 6, 6, 6, 5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 21:58:52,811 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-22 21:58:53,004 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 21:58:53,005 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-22 21:58:53,005 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:58:53,005 INFO L85 PathProgramCache]: Analyzing trace with hash -59776243, now seen corresponding path program 2 times [2024-11-22 21:58:53,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:58:53,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555965195] [2024-11-22 21:58:53,006 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 21:58:53,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:58:53,031 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 21:58:53,031 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 21:58:53,151 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 65 proven. 5 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-22 21:58:53,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:58:53,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555965195] [2024-11-22 21:58:53,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1555965195] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 21:58:53,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1890041696] [2024-11-22 21:58:53,152 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 21:58:53,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 21:58:53,152 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 21:58:53,155 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) [2024-11-22 21:58:53,156 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-22 21:58:53,216 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 21:58:53,216 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 21:58:53,217 INFO L255 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-22 21:58:53,219 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 21:58:53,382 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2024-11-22 21:58:53,383 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 21:58:53,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1890041696] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:58:53,383 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 21:58:53,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 11 [2024-11-22 21:58:53,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140717092] [2024-11-22 21:58:53,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:58:53,384 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-22 21:58:53,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:58:53,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-22 21:58:53,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2024-11-22 21:58:53,385 INFO L87 Difference]: Start difference. First operand 198 states and 233 transitions. Second operand has 8 states, 7 states have (on average 6.285714285714286) internal successors, (44), 8 states have internal predecessors, (44), 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) [2024-11-22 21:58:53,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 21:58:53,504 INFO L93 Difference]: Finished difference Result 198 states and 233 transitions. [2024-11-22 21:58:53,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-22 21:58:53,505 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.285714285714286) internal successors, (44), 8 states have internal predecessors, (44), 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) Word has length 75 [2024-11-22 21:58:53,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 21:58:53,506 INFO L225 Difference]: With dead ends: 198 [2024-11-22 21:58:53,506 INFO L226 Difference]: Without dead ends: 195 [2024-11-22 21:58:53,506 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2024-11-22 21:58:53,507 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 18 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 21:58:53,507 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 106 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 191 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 21:58:53,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2024-11-22 21:58:53,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 195. [2024-11-22 21:58:53,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 188 states have (on average 1.1436170212765957) internal successors, (215), 194 states have internal predecessors, (215), 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) [2024-11-22 21:58:53,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 215 transitions. [2024-11-22 21:58:53,514 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 215 transitions. Word has length 75 [2024-11-22 21:58:53,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 21:58:53,515 INFO L471 AbstractCegarLoop]: Abstraction has 195 states and 215 transitions. [2024-11-22 21:58:53,515 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.285714285714286) internal successors, (44), 8 states have internal predecessors, (44), 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) [2024-11-22 21:58:53,515 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 215 transitions. [2024-11-22 21:58:53,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-22 21:58:53,515 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 21:58:53,516 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1] [2024-11-22 21:58:53,523 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-22 21:58:53,716 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 21:58:53,717 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-22 21:58:53,717 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:58:53,717 INFO L85 PathProgramCache]: Analyzing trace with hash -1346659655, now seen corresponding path program 1 times [2024-11-22 21:58:53,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:58:53,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352634679] [2024-11-22 21:58:53,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:58:53,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:58:53,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:58:53,815 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-22 21:58:53,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:58:53,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352634679] [2024-11-22 21:58:53,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352634679] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 21:58:53,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1575165209] [2024-11-22 21:58:53,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:58:53,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 21:58:53,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 21:58:53,818 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) [2024-11-22 21:58:53,819 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-22 21:58:53,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:58:53,887 INFO L255 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 21:58:53,889 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 21:58:53,923 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-22 21:58:53,923 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 21:58:53,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1575165209] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:58:53,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 21:58:53,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-22 21:58:53,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470058405] [2024-11-22 21:58:53,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:58:53,925 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 21:58:53,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:58:53,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 21:58:53,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-22 21:58:53,925 INFO L87 Difference]: Start difference. First operand 195 states and 215 transitions. Second operand has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 states have internal predecessors, (44), 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) [2024-11-22 21:58:53,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 21:58:53,977 INFO L93 Difference]: Finished difference Result 195 states and 215 transitions. [2024-11-22 21:58:53,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 21:58:53,978 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 states have internal predecessors, (44), 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) Word has length 77 [2024-11-22 21:58:53,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 21:58:53,979 INFO L225 Difference]: With dead ends: 195 [2024-11-22 21:58:53,979 INFO L226 Difference]: Without dead ends: 194 [2024-11-22 21:58:53,979 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-22 21:58:53,980 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 39 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 21:58:53,980 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 81 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 21:58:53,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2024-11-22 21:58:53,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 194. [2024-11-22 21:58:53,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 188 states have (on average 1.1382978723404256) internal successors, (214), 193 states have internal predecessors, (214), 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) [2024-11-22 21:58:53,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 214 transitions. [2024-11-22 21:58:53,986 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 214 transitions. Word has length 77 [2024-11-22 21:58:53,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 21:58:53,987 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 214 transitions. [2024-11-22 21:58:53,987 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 states have internal predecessors, (44), 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) [2024-11-22 21:58:53,987 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 214 transitions. [2024-11-22 21:58:53,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-22 21:58:53,987 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 21:58:53,988 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 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, 1, 1, 1] [2024-11-22 21:58:54,000 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-22 21:58:54,188 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,SelfDestructingSolverStorable20 [2024-11-22 21:58:54,189 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-22 21:58:54,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:58:54,189 INFO L85 PathProgramCache]: Analyzing trace with hash 1203223793, now seen corresponding path program 1 times [2024-11-22 21:58:54,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:58:54,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276532128] [2024-11-22 21:58:54,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:58:54,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:58:54,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:58:54,294 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-22 21:58:54,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:58:54,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276532128] [2024-11-22 21:58:54,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276532128] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 21:58:54,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [359234586] [2024-11-22 21:58:54,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:58:54,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 21:58:54,295 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 21:58:54,297 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) [2024-11-22 21:58:54,299 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-22 21:58:54,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:58:54,366 INFO L255 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 21:58:54,368 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 21:58:54,399 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-22 21:58:54,399 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 21:58:54,442 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-22 21:58:54,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [359234586] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 21:58:54,442 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 21:58:54,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-11-22 21:58:54,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230400828] [2024-11-22 21:58:54,442 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 21:58:54,443 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-22 21:58:54,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:58:54,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-22 21:58:54,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-22 21:58:54,443 INFO L87 Difference]: Start difference. First operand 194 states and 214 transitions. Second operand has 12 states, 11 states have (on average 6.454545454545454) internal successors, (71), 12 states have internal predecessors, (71), 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) [2024-11-22 21:58:54,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 21:58:54,556 INFO L93 Difference]: Finished difference Result 219 states and 244 transitions. [2024-11-22 21:58:54,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-22 21:58:54,557 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.454545454545454) internal successors, (71), 12 states have internal predecessors, (71), 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) Word has length 78 [2024-11-22 21:58:54,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 21:58:54,558 INFO L225 Difference]: With dead ends: 219 [2024-11-22 21:58:54,558 INFO L226 Difference]: Without dead ends: 218 [2024-11-22 21:58:54,558 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-22 21:58:54,558 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 37 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 21:58:54,559 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 166 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 21:58:54,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2024-11-22 21:58:54,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 218. [2024-11-22 21:58:54,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 212 states have (on average 1.1367924528301887) internal successors, (241), 217 states have internal predecessors, (241), 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) [2024-11-22 21:58:54,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 241 transitions. [2024-11-22 21:58:54,567 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 241 transitions. Word has length 78 [2024-11-22 21:58:54,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 21:58:54,567 INFO L471 AbstractCegarLoop]: Abstraction has 218 states and 241 transitions. [2024-11-22 21:58:54,567 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.454545454545454) internal successors, (71), 12 states have internal predecessors, (71), 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) [2024-11-22 21:58:54,567 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 241 transitions. [2024-11-22 21:58:54,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-22 21:58:54,568 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 21:58:54,568 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 21:58:54,576 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-22 21:58:54,768 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 21:58:54,769 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-22 21:58:54,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:58:54,769 INFO L85 PathProgramCache]: Analyzing trace with hash -1646367487, now seen corresponding path program 2 times [2024-11-22 21:58:54,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:58:54,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386257938] [2024-11-22 21:58:54,770 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 21:58:54,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:58:54,784 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-22 21:58:54,785 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 21:58:54,816 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-22 21:58:54,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:58:54,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386257938] [2024-11-22 21:58:54,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386257938] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 21:58:54,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1036243889] [2024-11-22 21:58:54,817 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 21:58:54,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 21:58:54,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 21:58:54,819 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) [2024-11-22 21:58:54,821 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-22 21:58:54,882 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-22 21:58:54,882 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 21:58:54,883 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 21:58:54,884 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 21:58:54,991 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-22 21:58:54,991 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 21:58:55,089 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-22 21:58:55,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1036243889] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 21:58:55,090 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 21:58:55,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 4 [2024-11-22 21:58:55,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484707166] [2024-11-22 21:58:55,090 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 21:58:55,090 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 21:58:55,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:58:55,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 21:58:55,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 21:58:55,091 INFO L87 Difference]: Start difference. First operand 218 states and 241 transitions. Second operand has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 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) [2024-11-22 21:58:55,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 21:58:55,154 INFO L93 Difference]: Finished difference Result 218 states and 241 transitions. [2024-11-22 21:58:55,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 21:58:55,154 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 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) Word has length 102 [2024-11-22 21:58:55,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 21:58:55,155 INFO L225 Difference]: With dead ends: 218 [2024-11-22 21:58:55,155 INFO L226 Difference]: Without dead ends: 176 [2024-11-22 21:58:55,156 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 201 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-22 21:58:55,156 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 25 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 21:58:55,156 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 41 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 21:58:55,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2024-11-22 21:58:55,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 176. [2024-11-22 21:58:55,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 171 states have (on average 1.1228070175438596) internal successors, (192), 175 states have internal predecessors, (192), 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) [2024-11-22 21:58:55,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 192 transitions. [2024-11-22 21:58:55,162 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 192 transitions. Word has length 102 [2024-11-22 21:58:55,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 21:58:55,163 INFO L471 AbstractCegarLoop]: Abstraction has 176 states and 192 transitions. [2024-11-22 21:58:55,163 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 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) [2024-11-22 21:58:55,163 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 192 transitions. [2024-11-22 21:58:55,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-22 21:58:55,163 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 21:58:55,163 INFO L215 NwaCegarLoop]: trace histogram [10, 9, 9, 9, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 21:58:55,171 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-22 21:58:55,364 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,SelfDestructingSolverStorable22 [2024-11-22 21:58:55,364 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-22 21:58:55,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:58:55,365 INFO L85 PathProgramCache]: Analyzing trace with hash 1547357164, now seen corresponding path program 1 times [2024-11-22 21:58:55,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:58:55,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924797446] [2024-11-22 21:58:55,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:58:55,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:58:55,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:58:55,431 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 178 proven. 3 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2024-11-22 21:58:55,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:58:55,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924797446] [2024-11-22 21:58:55,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924797446] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 21:58:55,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1411890712] [2024-11-22 21:58:55,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:58:55,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 21:58:55,432 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 21:58:55,434 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) [2024-11-22 21:58:55,446 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-22 21:58:55,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:58:55,526 INFO L255 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 21:58:55,527 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 21:58:55,662 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 4 proven. 186 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2024-11-22 21:58:55,662 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 21:58:55,788 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2024-11-22 21:58:55,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1411890712] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 21:58:55,789 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 21:58:55,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 5, 5] total 10 [2024-11-22 21:58:55,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576334883] [2024-11-22 21:58:55,789 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 21:58:55,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-22 21:58:55,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:58:55,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-22 21:58:55,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-22 21:58:55,790 INFO L87 Difference]: Start difference. First operand 176 states and 192 transitions. Second operand has 11 states, 10 states have (on average 11.4) internal successors, (114), 11 states have internal predecessors, (114), 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) [2024-11-22 21:58:55,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 21:58:55,911 INFO L93 Difference]: Finished difference Result 192 states and 208 transitions. [2024-11-22 21:58:55,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-22 21:58:55,912 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 11.4) internal successors, (114), 11 states have internal predecessors, (114), 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) Word has length 103 [2024-11-22 21:58:55,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 21:58:55,913 INFO L225 Difference]: With dead ends: 192 [2024-11-22 21:58:55,913 INFO L226 Difference]: Without dead ends: 187 [2024-11-22 21:58:55,913 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 197 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2024-11-22 21:58:55,914 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 37 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 21:58:55,914 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 67 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 21:58:55,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2024-11-22 21:58:55,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 186. [2024-11-22 21:58:55,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 183 states have (on average 1.0491803278688525) internal successors, (192), 185 states have internal predecessors, (192), 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) [2024-11-22 21:58:55,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 192 transitions. [2024-11-22 21:58:55,921 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 192 transitions. Word has length 103 [2024-11-22 21:58:55,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 21:58:55,922 INFO L471 AbstractCegarLoop]: Abstraction has 186 states and 192 transitions. [2024-11-22 21:58:55,922 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 11.4) internal successors, (114), 11 states have internal predecessors, (114), 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) [2024-11-22 21:58:55,922 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 192 transitions. [2024-11-22 21:58:55,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-22 21:58:55,923 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 21:58:55,923 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 12, 12, 12, 12, 12, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 21:58:55,931 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-22 21:58:56,124 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,SelfDestructingSolverStorable23 [2024-11-22 21:58:56,124 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-22 21:58:56,126 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:58:56,126 INFO L85 PathProgramCache]: Analyzing trace with hash -1160502488, now seen corresponding path program 1 times [2024-11-22 21:58:56,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:58:56,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809643846] [2024-11-22 21:58:56,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:58:56,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:58:56,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:58:56,214 INFO L134 CoverageAnalysis]: Checked inductivity of 867 backedges. 391 proven. 0 refuted. 0 times theorem prover too weak. 476 trivial. 0 not checked. [2024-11-22 21:58:56,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:58:56,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809643846] [2024-11-22 21:58:56,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809643846] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:58:56,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 21:58:56,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 21:58:56,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339812999] [2024-11-22 21:58:56,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:58:56,216 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 21:58:56,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:58:56,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 21:58:56,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 21:58:56,217 INFO L87 Difference]: Start difference. First operand 186 states and 192 transitions. Second operand has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 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) [2024-11-22 21:58:56,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 21:58:56,246 INFO L93 Difference]: Finished difference Result 186 states and 192 transitions. [2024-11-22 21:58:56,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 21:58:56,246 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 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) Word has length 162 [2024-11-22 21:58:56,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 21:58:56,247 INFO L225 Difference]: With dead ends: 186 [2024-11-22 21:58:56,247 INFO L226 Difference]: Without dead ends: 185 [2024-11-22 21:58:56,248 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 21:58:56,248 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 3 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 21:58:56,248 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 38 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 21:58:56,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2024-11-22 21:58:56,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 185. [2024-11-22 21:58:56,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 183 states have (on average 1.0437158469945356) internal successors, (191), 184 states have internal predecessors, (191), 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) [2024-11-22 21:58:56,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 191 transitions. [2024-11-22 21:58:56,255 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 191 transitions. Word has length 162 [2024-11-22 21:58:56,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 21:58:56,255 INFO L471 AbstractCegarLoop]: Abstraction has 185 states and 191 transitions. [2024-11-22 21:58:56,255 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 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) [2024-11-22 21:58:56,255 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 191 transitions. [2024-11-22 21:58:56,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-22 21:58:56,256 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 21:58:56,257 INFO L215 NwaCegarLoop]: trace histogram [16, 15, 15, 15, 13, 13, 12, 12, 12, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 21:58:56,257 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-22 21:58:56,257 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-22 21:58:56,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:58:56,257 INFO L85 PathProgramCache]: Analyzing trace with hash 1363552758, now seen corresponding path program 2 times [2024-11-22 21:58:56,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:58:56,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567860410] [2024-11-22 21:58:56,258 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 21:58:56,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:58:56,271 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-22 21:58:56,272 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 21:58:56,323 INFO L134 CoverageAnalysis]: Checked inductivity of 933 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 870 trivial. 0 not checked. [2024-11-22 21:58:56,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:58:56,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567860410] [2024-11-22 21:58:56,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [567860410] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 21:58:56,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1461165439] [2024-11-22 21:58:56,324 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 21:58:56,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 21:58:56,325 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 21:58:56,327 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) [2024-11-22 21:58:56,335 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-22 21:58:56,402 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-22 21:58:56,402 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 21:58:56,403 INFO L255 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 21:58:56,405 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 21:58:56,838 INFO L134 CoverageAnalysis]: Checked inductivity of 933 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 876 trivial. 0 not checked. [2024-11-22 21:58:56,838 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 21:58:57,125 INFO L134 CoverageAnalysis]: Checked inductivity of 933 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 876 trivial. 0 not checked. [2024-11-22 21:58:57,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1461165439] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 21:58:57,125 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 21:58:57,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 3] total 5 [2024-11-22 21:58:57,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244357229] [2024-11-22 21:58:57,126 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 21:58:57,126 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 21:58:57,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:58:57,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 21:58:57,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-22 21:58:57,127 INFO L87 Difference]: Start difference. First operand 185 states and 191 transitions. Second operand has 6 states, 5 states have (on average 12.0) internal successors, (60), 6 states have internal predecessors, (60), 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) [2024-11-22 21:58:57,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 21:58:57,163 INFO L93 Difference]: Finished difference Result 185 states and 191 transitions. [2024-11-22 21:58:57,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 21:58:57,164 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.0) internal successors, (60), 6 states have internal predecessors, (60), 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) Word has length 169 [2024-11-22 21:58:57,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 21:58:57,165 INFO L225 Difference]: With dead ends: 185 [2024-11-22 21:58:57,165 INFO L226 Difference]: Without dead ends: 184 [2024-11-22 21:58:57,165 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 342 GetRequests, 336 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-22 21:58:57,165 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 16 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 21:58:57,166 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 16 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 21:58:57,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2024-11-22 21:58:57,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 184. [2024-11-22 21:58:57,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 183 states have (on average 1.0382513661202186) internal successors, (190), 183 states have internal predecessors, (190), 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) [2024-11-22 21:58:57,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 190 transitions. [2024-11-22 21:58:57,172 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 190 transitions. Word has length 169 [2024-11-22 21:58:57,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 21:58:57,173 INFO L471 AbstractCegarLoop]: Abstraction has 184 states and 190 transitions. [2024-11-22 21:58:57,173 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.0) internal successors, (60), 6 states have internal predecessors, (60), 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) [2024-11-22 21:58:57,173 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 190 transitions. [2024-11-22 21:58:57,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-22 21:58:57,174 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 21:58:57,174 INFO L215 NwaCegarLoop]: trace histogram [16, 15, 15, 15, 13, 13, 13, 13, 12, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 21:58:57,184 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-22 21:58:57,378 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,SelfDestructingSolverStorable25 [2024-11-22 21:58:57,379 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-22 21:58:57,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:58:57,379 INFO L85 PathProgramCache]: Analyzing trace with hash 409177592, now seen corresponding path program 1 times [2024-11-22 21:58:57,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:58:57,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89335270] [2024-11-22 21:58:57,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:58:57,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:58:57,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:58:57,492 INFO L134 CoverageAnalysis]: Checked inductivity of 957 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 876 trivial. 0 not checked. [2024-11-22 21:58:57,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:58:57,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89335270] [2024-11-22 21:58:57,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89335270] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:58:57,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 21:58:57,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 21:58:57,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921972613] [2024-11-22 21:58:57,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:58:57,493 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 21:58:57,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:58:57,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 21:58:57,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 21:58:57,494 INFO L87 Difference]: Start difference. First operand 184 states and 190 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 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) [2024-11-22 21:58:57,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 21:58:57,523 INFO L93 Difference]: Finished difference Result 184 states and 190 transitions. [2024-11-22 21:58:57,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 21:58:57,523 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 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) Word has length 171 [2024-11-22 21:58:57,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 21:58:57,524 INFO L225 Difference]: With dead ends: 184 [2024-11-22 21:58:57,524 INFO L226 Difference]: Without dead ends: 0 [2024-11-22 21:58:57,524 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 21:58:57,525 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 2 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 21:58:57,525 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 36 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 21:58:57,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-22 21:58:57,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-22 21:58:57,525 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) [2024-11-22 21:58:57,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-22 21:58:57,526 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 171 [2024-11-22 21:58:57,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 21:58:57,526 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-22 21:58:57,526 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 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) [2024-11-22 21:58:57,526 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-22 21:58:57,526 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-22 21:58:57,528 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 16 remaining) [2024-11-22 21:58:57,529 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 16 remaining) [2024-11-22 21:58:57,529 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 16 remaining) [2024-11-22 21:58:57,529 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 16 remaining) [2024-11-22 21:58:57,529 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 16 remaining) [2024-11-22 21:58:57,529 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 16 remaining) [2024-11-22 21:58:57,529 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 16 remaining) [2024-11-22 21:58:57,529 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 16 remaining) [2024-11-22 21:58:57,530 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 16 remaining) [2024-11-22 21:58:57,530 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 16 remaining) [2024-11-22 21:58:57,530 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 16 remaining) [2024-11-22 21:58:57,530 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 16 remaining) [2024-11-22 21:58:57,530 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 16 remaining) [2024-11-22 21:58:57,530 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 16 remaining) [2024-11-22 21:58:57,530 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 16 remaining) [2024-11-22 21:58:57,530 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 16 remaining) [2024-11-22 21:58:57,530 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-22 21:58:57,533 INFO L407 BasicCegarLoop]: Path program histogram: [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 21:58:57,535 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-22 21:58:57,828 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-22 21:58:57,841 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 09:58:57 BoogieIcfgContainer [2024-11-22 21:58:57,842 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-22 21:58:57,842 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-22 21:58:57,842 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-22 21:58:57,843 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-22 21:58:57,843 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:58:45" (3/4) ... [2024-11-22 21:58:57,846 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-22 21:58:57,853 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-11-22 21:58:57,853 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-22 21:58:57,854 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-22 21:58:57,854 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-22 21:58:57,938 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-22 21:58:57,938 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-22 21:58:57,938 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-22 21:58:57,939 INFO L158 Benchmark]: Toolchain (without parser) took 12955.65ms. Allocated memory was 146.8MB in the beginning and 211.8MB in the end (delta: 65.0MB). Free memory was 111.8MB in the beginning and 80.8MB in the end (delta: 31.1MB). Peak memory consumption was 98.3MB. Max. memory is 16.1GB. [2024-11-22 21:58:57,939 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 146.8MB. Free memory is still 110.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 21:58:57,939 INFO L158 Benchmark]: CACSL2BoogieTranslator took 292.68ms. Allocated memory is still 146.8MB. Free memory was 111.8MB in the beginning and 97.8MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-22 21:58:57,940 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.76ms. Allocated memory is still 146.8MB. Free memory was 97.8MB in the beginning and 96.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 21:58:57,940 INFO L158 Benchmark]: Boogie Preprocessor took 51.34ms. Allocated memory is still 146.8MB. Free memory was 96.2MB in the beginning and 94.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-22 21:58:57,940 INFO L158 Benchmark]: RCFGBuilder took 483.88ms. Allocated memory is still 146.8MB. Free memory was 94.2MB in the beginning and 78.4MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-22 21:58:57,940 INFO L158 Benchmark]: TraceAbstraction took 11969.95ms. Allocated memory was 146.8MB in the beginning and 211.8MB in the end (delta: 65.0MB). Free memory was 77.4MB in the beginning and 86.0MB in the end (delta: -8.6MB). Peak memory consumption was 58.5MB. Max. memory is 16.1GB. [2024-11-22 21:58:57,941 INFO L158 Benchmark]: Witness Printer took 96.21ms. Allocated memory is still 211.8MB. Free memory was 86.0MB in the beginning and 80.8MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-22 21:58:57,942 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 146.8MB. Free memory is still 110.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 292.68ms. Allocated memory is still 146.8MB. Free memory was 111.8MB in the beginning and 97.8MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.76ms. Allocated memory is still 146.8MB. Free memory was 97.8MB in the beginning and 96.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 51.34ms. Allocated memory is still 146.8MB. Free memory was 96.2MB in the beginning and 94.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 483.88ms. Allocated memory is still 146.8MB. Free memory was 94.2MB in the beginning and 78.4MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 11969.95ms. Allocated memory was 146.8MB in the beginning and 211.8MB in the end (delta: 65.0MB). Free memory was 77.4MB in the beginning and 86.0MB in the end (delta: -8.6MB). Peak memory consumption was 58.5MB. Max. memory is 16.1GB. * Witness Printer took 96.21ms. Allocated memory is still 211.8MB. Free memory was 86.0MB in the beginning and 80.8MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * 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: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 57 locations, 16 error locations. Started 1 CEGAR loops. OverallTime: 11.6s, OverallIterations: 27, TraceHistogramMax: 16, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 2.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1221 SdHoareTripleChecker+Valid, 1.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1221 mSDsluCounter, 2437 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1525 mSDsCounter, 59 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2311 IncrementalHoareTripleChecker+Invalid, 2370 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 59 mSolverCounterUnsat, 912 mSDtfsCounter, 2311 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1588 GetRequests, 1396 SyntacticMatches, 10 SemanticMatches, 182 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 761 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=218occurred in iteration=22, InterpolantAutomatonStates: 193, 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, 27 MinimizatonAttempts, 74 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 4.6s InterpolantComputationTime, 2258 NumberOfCodeBlocks, 1751 NumberOfCodeBlocksAsserted, 41 NumberOfCheckSat, 2818 ConstructedInterpolants, 0 QuantifiedInterpolants, 8784 SizeOfPredicates, 9 NumberOfNonLiveVariables, 1675 ConjunctsInSsa, 66 ConjunctsInUnsatCore, 47 InterpolantComputations, 19 PerfectInterpolantSequences, 6666/7541 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 16 specifications checked. All of them hold - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((((((((2 <= CELLCOUNT) && (i == 1)) && (2 == MINVAL)) && (CELLCOUNT <= 2147483647)) && (((CELLCOUNT >= 0) ? (CELLCOUNT % 5) : ((CELLCOUNT % 5) + 5)) == 0)) && (5 == j)) || ((((((j <= 4) && (2 <= CELLCOUNT)) && (i == 1)) && (2 == MINVAL)) && (CELLCOUNT <= 2147483647)) && (((CELLCOUNT >= 0) ? (CELLCOUNT % 5) : ((CELLCOUNT % 5) + 5)) == 0))) || (((((((i <= 429496729) && (2 <= CELLCOUNT)) && (2 == MINVAL)) && (CELLCOUNT <= 2147483647)) && (2 <= i)) && (((CELLCOUNT >= 0) ? (CELLCOUNT % 5) : ((CELLCOUNT % 5) + 5)) == 0)) && (5 == j))) || (((((((i <= 429496729) && (j <= 4)) && (2 <= CELLCOUNT)) && (2 == MINVAL)) && (CELLCOUNT <= 2147483647)) && (2 <= i)) && (((CELLCOUNT >= 0) ? (CELLCOUNT % 5) : ((CELLCOUNT % 5) + 5)) == 0))) - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 43]: Loop Invariant Derived loop invariant: ((((((i == 0) && (2 <= CELLCOUNT)) && (2 == MINVAL)) && (CELLCOUNT <= 2147483647)) && (((CELLCOUNT >= 0) ? (CELLCOUNT % 5) : ((CELLCOUNT % 5) + 5)) == 0)) || (((((1 <= i) && (2 <= CELLCOUNT)) && (2 == MINVAL)) && (CELLCOUNT <= 2147483647)) && (((CELLCOUNT >= 0) ? (CELLCOUNT % 5) : ((CELLCOUNT % 5) + 5)) == 0))) RESULT: Ultimate proved your program to be correct! [2024-11-22 21:58:57,961 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE