./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-examples/sorting_bubblesort_ground-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-examples/sorting_bubblesort_ground-1.i -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 68585835b92043bfb2f3c62590e96ff685993869f8a251aecd9fe4c8aaea0e1e --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 20:02:58,894 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 20:02:58,952 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-14 20:02:58,957 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 20:02:58,958 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 20:02:58,985 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 20:02:58,985 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 20:02:58,986 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 20:02:58,986 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 20:02:58,987 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 20:02:58,987 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 20:02:58,987 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 20:02:58,988 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 20:02:58,988 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 20:02:58,988 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 20:02:58,989 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 20:02:58,989 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 20:02:58,990 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 20:02:58,990 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 20:02:58,990 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 20:02:58,991 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 20:02:58,991 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 20:02:58,991 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 20:02:58,992 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 20:02:58,992 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 20:02:58,992 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-14 20:02:58,993 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-14 20:02:58,993 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 20:02:58,993 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 20:02:58,994 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 20:02:58,994 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 20:02:58,994 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 20:02:58,995 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 20:02:58,995 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 20:02:58,995 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 20:02:58,996 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 20:02:58,996 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 20:02:58,996 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 20:02:58,997 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 20:02:58,997 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 20:02:58,997 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 20:02:59,001 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 20:02:59,001 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 20:02:59,001 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 20:02:59,002 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68585835b92043bfb2f3c62590e96ff685993869f8a251aecd9fe4c8aaea0e1e [2024-10-14 20:02:59,289 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 20:02:59,310 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 20:02:59,313 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 20:02:59,314 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 20:02:59,314 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 20:02:59,315 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-examples/sorting_bubblesort_ground-1.i [2024-10-14 20:03:00,704 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 20:03:00,906 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 20:03:00,906 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-examples/sorting_bubblesort_ground-1.i [2024-10-14 20:03:00,912 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63a4e5076/88dabd1152af4bc383f8e043ca4e70dc/FLAGb4dd59f3e [2024-10-14 20:03:00,925 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63a4e5076/88dabd1152af4bc383f8e043ca4e70dc [2024-10-14 20:03:00,927 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 20:03:00,928 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 20:03:00,929 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 20:03:00,929 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 20:03:00,936 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 20:03:00,937 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:03:00" (1/1) ... [2024-10-14 20:03:00,938 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5febf963 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:03:00, skipping insertion in model container [2024-10-14 20:03:00,938 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:03:00" (1/1) ... [2024-10-14 20:03:00,959 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 20:03:01,135 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 20:03:01,144 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 20:03:01,166 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 20:03:01,181 INFO L204 MainTranslator]: Completed translation [2024-10-14 20:03:01,181 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:03:01 WrapperNode [2024-10-14 20:03:01,182 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 20:03:01,183 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 20:03:01,183 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 20:03:01,183 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 20:03:01,190 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:03:01" (1/1) ... [2024-10-14 20:03:01,200 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:03:01" (1/1) ... [2024-10-14 20:03:01,226 INFO L138 Inliner]: procedures = 16, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 103 [2024-10-14 20:03:01,226 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 20:03:01,227 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 20:03:01,227 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 20:03:01,227 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 20:03:01,237 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:03:01" (1/1) ... [2024-10-14 20:03:01,237 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:03:01" (1/1) ... [2024-10-14 20:03:01,239 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:03:01" (1/1) ... [2024-10-14 20:03:01,252 INFO L175 MemorySlicer]: Split 11 memory accesses to 2 slices as follows [2, 9]. 82 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 3 writes are split as follows [0, 3]. [2024-10-14 20:03:01,252 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:03:01" (1/1) ... [2024-10-14 20:03:01,253 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:03:01" (1/1) ... [2024-10-14 20:03:01,258 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:03:01" (1/1) ... [2024-10-14 20:03:01,262 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:03:01" (1/1) ... [2024-10-14 20:03:01,263 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:03:01" (1/1) ... [2024-10-14 20:03:01,264 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:03:01" (1/1) ... [2024-10-14 20:03:01,266 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 20:03:01,268 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 20:03:01,268 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 20:03:01,269 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 20:03:01,270 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:03:01" (1/1) ... [2024-10-14 20:03:01,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 20:03:01,283 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:03:01,299 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) [2024-10-14 20:03:01,306 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 [2024-10-14 20:03:01,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 20:03:01,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 20:03:01,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-14 20:03:01,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-14 20:03:01,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-14 20:03:01,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-14 20:03:01,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 20:03:01,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 20:03:01,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-14 20:03:01,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-14 20:03:01,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-14 20:03:01,417 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 20:03:01,418 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 20:03:01,589 INFO L? ?]: Removed 31 outVars from TransFormulas that were not future-live. [2024-10-14 20:03:01,589 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 20:03:01,619 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 20:03:01,620 INFO L314 CfgBuilder]: Removed 5 assume(true) statements. [2024-10-14 20:03:01,621 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:03:01 BoogieIcfgContainer [2024-10-14 20:03:01,621 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 20:03:01,623 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 20:03:01,623 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 20:03:01,627 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 20:03:01,627 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 08:03:00" (1/3) ... [2024-10-14 20:03:01,628 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e721cf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:03:01, skipping insertion in model container [2024-10-14 20:03:01,628 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:03:01" (2/3) ... [2024-10-14 20:03:01,628 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e721cf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:03:01, skipping insertion in model container [2024-10-14 20:03:01,629 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:03:01" (3/3) ... [2024-10-14 20:03:01,630 INFO L112 eAbstractionObserver]: Analyzing ICFG sorting_bubblesort_ground-1.i [2024-10-14 20:03:01,650 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 20:03:01,650 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2024-10-14 20:03:01,774 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 20:03:01,782 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;@11b3f5c7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 20:03:01,782 INFO L334 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2024-10-14 20:03:01,786 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 32 states have (on average 1.90625) internal successors, (61), 48 states have internal predecessors, (61), 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) [2024-10-14 20:03:01,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-10-14 20:03:01,790 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:03:01,791 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-10-14 20:03:01,791 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)] === [2024-10-14 20:03:01,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:03:01,796 INFO L85 PathProgramCache]: Analyzing trace with hash 158640, now seen corresponding path program 1 times [2024-10-14 20:03:01,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:03:01,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241995821] [2024-10-14 20:03:01,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:03:01,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:03:01,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:03:02,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:03:02,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:03:02,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241995821] [2024-10-14 20:03:02,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241995821] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:03:02,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:03:02,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 20:03:02,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769599340] [2024-10-14 20:03:02,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:03:02,090 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:03:02,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:03:02,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:03:02,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:03:02,113 INFO L87 Difference]: Start difference. First operand has 49 states, 32 states have (on average 1.90625) internal successors, (61), 48 states have internal predecessors, (61), 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 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 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) [2024-10-14 20:03:02,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:03:02,168 INFO L93 Difference]: Finished difference Result 96 states and 120 transitions. [2024-10-14 20:03:02,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:03:02,171 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 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 3 [2024-10-14 20:03:02,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:03:02,177 INFO L225 Difference]: With dead ends: 96 [2024-10-14 20:03:02,177 INFO L226 Difference]: Without dead ends: 48 [2024-10-14 20:03:02,179 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:03:02,182 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 1 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 20:03:02,182 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 134 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 20:03:02,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2024-10-14 20:03:02,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2024-10-14 20:03:02,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 32 states have (on average 1.65625) internal successors, (53), 47 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) [2024-10-14 20:03:02,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 53 transitions. [2024-10-14 20:03:02,213 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 53 transitions. Word has length 3 [2024-10-14 20:03:02,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:03:02,213 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 53 transitions. [2024-10-14 20:03:02,214 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 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) [2024-10-14 20:03:02,214 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 53 transitions. [2024-10-14 20:03:02,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-14 20:03:02,214 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:03:02,214 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2024-10-14 20:03:02,215 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 20:03:02,215 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)] === [2024-10-14 20:03:02,216 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:03:02,216 INFO L85 PathProgramCache]: Analyzing trace with hash 431126030, now seen corresponding path program 1 times [2024-10-14 20:03:02,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:03:02,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751741033] [2024-10-14 20:03:02,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:03:02,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:03:02,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:03:02,333 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:03:02,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:03:02,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751741033] [2024-10-14 20:03:02,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751741033] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:03:02,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1346178148] [2024-10-14 20:03:02,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:03:02,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:03:02,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:03:02,337 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) [2024-10-14 20:03:02,341 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-14 20:03:02,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:03:02,398 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-14 20:03:02,402 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:03:02,474 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:03:02,475 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:03:02,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1346178148] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:03:02,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:03:02,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2024-10-14 20:03:02,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527257641] [2024-10-14 20:03:02,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:03:02,477 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 20:03:02,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:03:02,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 20:03:02,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:03:02,480 INFO L87 Difference]: Start difference. First operand 48 states and 53 transitions. Second operand has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 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) [2024-10-14 20:03:02,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:03:02,533 INFO L93 Difference]: Finished difference Result 48 states and 53 transitions. [2024-10-14 20:03:02,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 20:03:02,535 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 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 6 [2024-10-14 20:03:02,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:03:02,536 INFO L225 Difference]: With dead ends: 48 [2024-10-14 20:03:02,537 INFO L226 Difference]: Without dead ends: 47 [2024-10-14 20:03:02,538 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:03:02,539 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 1 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 20:03:02,539 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 125 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 20:03:02,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2024-10-14 20:03:02,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2024-10-14 20:03:02,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 32 states have (on average 1.625) internal successors, (52), 46 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) [2024-10-14 20:03:02,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 52 transitions. [2024-10-14 20:03:02,547 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 52 transitions. Word has length 6 [2024-10-14 20:03:02,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:03:02,547 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 52 transitions. [2024-10-14 20:03:02,547 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 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) [2024-10-14 20:03:02,548 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 52 transitions. [2024-10-14 20:03:02,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-14 20:03:02,548 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:03:02,548 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1] [2024-10-14 20:03:02,561 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-14 20:03:02,749 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:03:02,749 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)] === [2024-10-14 20:03:02,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:03:02,750 INFO L85 PathProgramCache]: Analyzing trace with hash 480005088, now seen corresponding path program 1 times [2024-10-14 20:03:02,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:03:02,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078951874] [2024-10-14 20:03:02,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:03:02,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:03:02,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:03:02,811 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-14 20:03:02,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:03:02,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078951874] [2024-10-14 20:03:02,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078951874] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:03:02,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:03:02,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 20:03:02,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723600583] [2024-10-14 20:03:02,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:03:02,814 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 20:03:02,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:03:02,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 20:03:02,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:03:02,815 INFO L87 Difference]: Start difference. First operand 47 states and 52 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 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) [2024-10-14 20:03:02,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:03:02,834 INFO L93 Difference]: Finished difference Result 47 states and 52 transitions. [2024-10-14 20:03:02,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 20:03:02,835 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 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 [2024-10-14 20:03:02,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:03:02,836 INFO L225 Difference]: With dead ends: 47 [2024-10-14 20:03:02,836 INFO L226 Difference]: Without dead ends: 46 [2024-10-14 20:03:02,836 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 [2024-10-14 20:03:02,837 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 0 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 20:03:02,838 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 86 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 20:03:02,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2024-10-14 20:03:02,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 44. [2024-10-14 20:03:02,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 30 states have (on average 1.6333333333333333) internal successors, (49), 43 states have internal predecessors, (49), 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) [2024-10-14 20:03:02,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 49 transitions. [2024-10-14 20:03:02,845 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 49 transitions. Word has length 7 [2024-10-14 20:03:02,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:03:02,845 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 49 transitions. [2024-10-14 20:03:02,846 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 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) [2024-10-14 20:03:02,846 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 49 transitions. [2024-10-14 20:03:02,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-10-14 20:03:02,846 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:03:02,846 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:03:02,847 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 20:03:02,847 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-10-14 20:03:02,847 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:03:02,848 INFO L85 PathProgramCache]: Analyzing trace with hash 1614606835, now seen corresponding path program 1 times [2024-10-14 20:03:02,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:03:02,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333669595] [2024-10-14 20:03:02,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:03:02,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:03:02,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:03:02,958 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:03:02,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:03:02,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333669595] [2024-10-14 20:03:02,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1333669595] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:03:02,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [990661689] [2024-10-14 20:03:02,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:03:02,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:03:02,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:03:02,963 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) [2024-10-14 20:03:02,964 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-14 20:03:03,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:03:03,009 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-14 20:03:03,010 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:03:03,020 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-14 20:03:03,020 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:03:03,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [990661689] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:03:03,020 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:03:03,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 6 [2024-10-14 20:03:03,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892834494] [2024-10-14 20:03:03,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:03:03,021 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 20:03:03,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:03:03,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 20:03:03,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-14 20:03:03,023 INFO L87 Difference]: Start difference. First operand 44 states and 49 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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) [2024-10-14 20:03:03,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:03:03,062 INFO L93 Difference]: Finished difference Result 44 states and 49 transitions. [2024-10-14 20:03:03,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 20:03:03,062 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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 9 [2024-10-14 20:03:03,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:03:03,063 INFO L225 Difference]: With dead ends: 44 [2024-10-14 20:03:03,063 INFO L226 Difference]: Without dead ends: 40 [2024-10-14 20:03:03,064 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-14 20:03:03,065 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 9 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 20:03:03,065 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 49 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 20:03:03,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2024-10-14 20:03:03,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2024-10-14 20:03:03,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 30 states have (on average 1.5) internal successors, (45), 39 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) [2024-10-14 20:03:03,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 45 transitions. [2024-10-14 20:03:03,070 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 45 transitions. Word has length 9 [2024-10-14 20:03:03,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:03:03,070 INFO L471 AbstractCegarLoop]: Abstraction has 40 states and 45 transitions. [2024-10-14 20:03:03,070 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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) [2024-10-14 20:03:03,070 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 45 transitions. [2024-10-14 20:03:03,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-10-14 20:03:03,071 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:03:03,071 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:03:03,088 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-14 20:03:03,275 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2024-10-14 20:03:03,276 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-10-14 20:03:03,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:03:03,276 INFO L85 PathProgramCache]: Analyzing trace with hash -1486825195, now seen corresponding path program 1 times [2024-10-14 20:03:03,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:03:03,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478486090] [2024-10-14 20:03:03,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:03:03,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:03:03,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:03:03,343 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:03:03,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:03:03,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478486090] [2024-10-14 20:03:03,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478486090] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:03:03,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1684151350] [2024-10-14 20:03:03,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:03:03,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:03:03,346 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:03:03,347 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) [2024-10-14 20:03:03,350 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-14 20:03:03,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:03:03,400 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-14 20:03:03,401 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:03:03,411 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-14 20:03:03,415 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:03:03,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1684151350] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:03:03,416 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:03:03,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2024-10-14 20:03:03,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638700189] [2024-10-14 20:03:03,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:03:03,417 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 20:03:03,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:03:03,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 20:03:03,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-14 20:03:03,418 INFO L87 Difference]: Start difference. First operand 40 states and 45 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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) [2024-10-14 20:03:03,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:03:03,440 INFO L93 Difference]: Finished difference Result 74 states and 83 transitions. [2024-10-14 20:03:03,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 20:03:03,441 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 10 [2024-10-14 20:03:03,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:03:03,442 INFO L225 Difference]: With dead ends: 74 [2024-10-14 20:03:03,442 INFO L226 Difference]: Without dead ends: 56 [2024-10-14 20:03:03,442 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-14 20:03:03,443 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 16 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 20:03:03,444 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 94 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 20:03:03,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-10-14 20:03:03,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 48. [2024-10-14 20:03:03,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 38 states have (on average 1.5) internal successors, (57), 47 states have internal predecessors, (57), 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) [2024-10-14 20:03:03,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 57 transitions. [2024-10-14 20:03:03,449 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 57 transitions. Word has length 10 [2024-10-14 20:03:03,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:03:03,449 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 57 transitions. [2024-10-14 20:03:03,449 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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) [2024-10-14 20:03:03,449 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 57 transitions. [2024-10-14 20:03:03,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-10-14 20:03:03,450 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:03:03,450 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:03:03,468 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-14 20:03:03,650 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:03:03,651 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-10-14 20:03:03,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:03:03,652 INFO L85 PathProgramCache]: Analyzing trace with hash -1486795595, now seen corresponding path program 1 times [2024-10-14 20:03:03,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:03:03,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335658073] [2024-10-14 20:03:03,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:03:03,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:03:03,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:03:03,705 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:03:03,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:03:03,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335658073] [2024-10-14 20:03:03,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335658073] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:03:03,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [601047429] [2024-10-14 20:03:03,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:03:03,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:03:03,708 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:03:03,710 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) [2024-10-14 20:03:03,714 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-14 20:03:03,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:03:03,761 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-14 20:03:03,762 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:03:03,777 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-14 20:03:03,778 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:03:03,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [601047429] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:03:03,778 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:03:03,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 6 [2024-10-14 20:03:03,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381415643] [2024-10-14 20:03:03,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:03:03,779 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 20:03:03,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:03:03,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 20:03:03,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-14 20:03:03,780 INFO L87 Difference]: Start difference. First operand 48 states and 57 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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) [2024-10-14 20:03:03,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:03:03,844 INFO L93 Difference]: Finished difference Result 102 states and 126 transitions. [2024-10-14 20:03:03,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 20:03:03,845 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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 10 [2024-10-14 20:03:03,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:03:03,846 INFO L225 Difference]: With dead ends: 102 [2024-10-14 20:03:03,846 INFO L226 Difference]: Without dead ends: 60 [2024-10-14 20:03:03,846 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-14 20:03:03,847 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 8 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 20:03:03,847 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 55 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 20:03:03,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2024-10-14 20:03:03,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2024-10-14 20:03:03,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 50 states have (on average 1.4) internal successors, (70), 59 states have internal predecessors, (70), 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) [2024-10-14 20:03:03,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 70 transitions. [2024-10-14 20:03:03,859 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 70 transitions. Word has length 10 [2024-10-14 20:03:03,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:03:03,860 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 70 transitions. [2024-10-14 20:03:03,860 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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) [2024-10-14 20:03:03,860 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 70 transitions. [2024-10-14 20:03:03,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-10-14 20:03:03,860 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:03:03,860 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:03:03,885 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-14 20:03:04,061 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:03:04,061 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-10-14 20:03:04,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:03:04,062 INFO L85 PathProgramCache]: Analyzing trace with hash 823010180, now seen corresponding path program 1 times [2024-10-14 20:03:04,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:03:04,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995434956] [2024-10-14 20:03:04,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:03:04,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:03:04,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:03:04,123 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-14 20:03:04,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:03:04,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995434956] [2024-10-14 20:03:04,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995434956] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:03:04,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [522208147] [2024-10-14 20:03:04,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:03:04,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:03:04,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:03:04,127 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) [2024-10-14 20:03:04,128 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-14 20:03:04,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:03:04,176 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-14 20:03:04,177 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:03:04,197 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-14 20:03:04,198 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:03:04,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [522208147] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:03:04,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:03:04,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 6 [2024-10-14 20:03:04,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341761594] [2024-10-14 20:03:04,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:03:04,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 20:03:04,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:03:04,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 20:03:04,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-14 20:03:04,202 INFO L87 Difference]: Start difference. First operand 60 states and 70 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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) [2024-10-14 20:03:04,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:03:04,235 INFO L93 Difference]: Finished difference Result 60 states and 70 transitions. [2024-10-14 20:03:04,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 20:03:04,235 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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 16 [2024-10-14 20:03:04,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:03:04,236 INFO L225 Difference]: With dead ends: 60 [2024-10-14 20:03:04,236 INFO L226 Difference]: Without dead ends: 56 [2024-10-14 20:03:04,236 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-14 20:03:04,237 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 8 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 20:03:04,237 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 50 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 20:03:04,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-10-14 20:03:04,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 45. [2024-10-14 20:03:04,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 39 states have (on average 1.3333333333333333) internal successors, (52), 44 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) [2024-10-14 20:03:04,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 52 transitions. [2024-10-14 20:03:04,247 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 52 transitions. Word has length 16 [2024-10-14 20:03:04,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:03:04,248 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 52 transitions. [2024-10-14 20:03:04,248 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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) [2024-10-14 20:03:04,248 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 52 transitions. [2024-10-14 20:03:04,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-10-14 20:03:04,252 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:03:04,252 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:03:04,271 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-14 20:03:04,453 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:03:04,453 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-10-14 20:03:04,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:03:04,454 INFO L85 PathProgramCache]: Analyzing trace with hash -1707463575, now seen corresponding path program 1 times [2024-10-14 20:03:04,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:03:04,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924230770] [2024-10-14 20:03:04,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:03:04,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:03:04,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:03:04,501 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-14 20:03:04,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:03:04,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924230770] [2024-10-14 20:03:04,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924230770] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:03:04,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [796065051] [2024-10-14 20:03:04,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:03:04,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:03:04,503 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:03:04,505 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) [2024-10-14 20:03:04,506 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-14 20:03:04,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:03:04,556 INFO L255 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-14 20:03:04,557 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:03:04,568 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-14 20:03:04,568 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:03:04,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [796065051] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:03:04,568 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:03:04,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 6 [2024-10-14 20:03:04,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133063307] [2024-10-14 20:03:04,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:03:04,569 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 20:03:04,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:03:04,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 20:03:04,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-14 20:03:04,570 INFO L87 Difference]: Start difference. First operand 45 states and 52 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 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) [2024-10-14 20:03:04,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:03:04,593 INFO L93 Difference]: Finished difference Result 57 states and 66 transitions. [2024-10-14 20:03:04,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 20:03:04,594 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 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 19 [2024-10-14 20:03:04,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:03:04,594 INFO L225 Difference]: With dead ends: 57 [2024-10-14 20:03:04,594 INFO L226 Difference]: Without dead ends: 56 [2024-10-14 20:03:04,595 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-14 20:03:04,595 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 10 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 20:03:04,596 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 59 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 20:03:04,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-10-14 20:03:04,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 47. [2024-10-14 20:03:04,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 41 states have (on average 1.3170731707317074) internal successors, (54), 46 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) [2024-10-14 20:03:04,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 54 transitions. [2024-10-14 20:03:04,600 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 54 transitions. Word has length 19 [2024-10-14 20:03:04,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:03:04,601 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 54 transitions. [2024-10-14 20:03:04,601 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 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) [2024-10-14 20:03:04,601 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 54 transitions. [2024-10-14 20:03:04,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-10-14 20:03:04,603 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:03:04,603 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] [2024-10-14 20:03:04,621 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-14 20:03:04,804 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:03:04,804 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-10-14 20:03:04,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:03:04,805 INFO L85 PathProgramCache]: Analyzing trace with hash -1391763163, now seen corresponding path program 1 times [2024-10-14 20:03:04,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:03:04,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458530528] [2024-10-14 20:03:04,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:03:04,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:03:04,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:03:04,883 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-14 20:03:04,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:03:04,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458530528] [2024-10-14 20:03:04,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458530528] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:03:04,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [67760775] [2024-10-14 20:03:04,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:03:04,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:03:04,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:03:04,886 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) [2024-10-14 20:03:04,888 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-14 20:03:04,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:03:04,932 INFO L255 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-14 20:03:04,933 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:03:04,946 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-14 20:03:04,946 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:03:04,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [67760775] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:03:04,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:03:04,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 6 [2024-10-14 20:03:04,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22998423] [2024-10-14 20:03:04,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:03:04,947 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 20:03:04,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:03:04,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 20:03:04,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-14 20:03:04,949 INFO L87 Difference]: Start difference. First operand 47 states and 54 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 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) [2024-10-14 20:03:04,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:03:04,972 INFO L93 Difference]: Finished difference Result 57 states and 65 transitions. [2024-10-14 20:03:04,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 20:03:04,973 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 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 20 [2024-10-14 20:03:04,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:03:04,974 INFO L225 Difference]: With dead ends: 57 [2024-10-14 20:03:04,974 INFO L226 Difference]: Without dead ends: 56 [2024-10-14 20:03:04,974 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-14 20:03:04,975 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 9 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 20:03:04,975 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 60 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 20:03:04,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-10-14 20:03:04,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 48. [2024-10-14 20:03:04,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 42 states have (on average 1.3095238095238095) internal successors, (55), 47 states have internal predecessors, (55), 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) [2024-10-14 20:03:04,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 55 transitions. [2024-10-14 20:03:04,979 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 55 transitions. Word has length 20 [2024-10-14 20:03:04,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:03:04,980 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 55 transitions. [2024-10-14 20:03:04,980 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 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) [2024-10-14 20:03:04,980 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 55 transitions. [2024-10-14 20:03:04,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-10-14 20:03:04,981 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:03:04,981 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, 1, 1] [2024-10-14 20:03:04,999 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-10-14 20:03:05,185 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:03:05,186 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-10-14 20:03:05,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:03:05,186 INFO L85 PathProgramCache]: Analyzing trace with hash 1598002737, now seen corresponding path program 1 times [2024-10-14 20:03:05,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:03:05,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027134849] [2024-10-14 20:03:05,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:03:05,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:03:05,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:03:05,258 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-14 20:03:05,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:03:05,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027134849] [2024-10-14 20:03:05,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1027134849] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:03:05,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1288861238] [2024-10-14 20:03:05,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:03:05,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:03:05,260 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:03:05,262 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) [2024-10-14 20:03:05,265 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-14 20:03:05,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:03:05,314 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 20:03:05,315 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:03:05,338 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-14 20:03:05,339 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:03:05,378 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-14 20:03:05,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1288861238] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:03:05,378 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:03:05,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-10-14 20:03:05,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810872570] [2024-10-14 20:03:05,379 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:03:05,379 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-14 20:03:05,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:03:05,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-14 20:03:05,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-10-14 20:03:05,380 INFO L87 Difference]: Start difference. First operand 48 states and 55 transitions. Second operand has 10 states, 10 states have (on average 3.2) internal successors, (32), 9 states have internal predecessors, (32), 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) [2024-10-14 20:03:05,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:03:05,414 INFO L93 Difference]: Finished difference Result 97 states and 112 transitions. [2024-10-14 20:03:05,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 20:03:05,415 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.2) internal successors, (32), 9 states have internal predecessors, (32), 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 [2024-10-14 20:03:05,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:03:05,415 INFO L225 Difference]: With dead ends: 97 [2024-10-14 20:03:05,415 INFO L226 Difference]: Without dead ends: 54 [2024-10-14 20:03:05,416 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-10-14 20:03:05,416 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 0 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 20:03:05,416 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 206 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 20:03:05,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2024-10-14 20:03:05,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2024-10-14 20:03:05,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 48 states have (on average 1.2708333333333333) internal successors, (61), 53 states have internal predecessors, (61), 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) [2024-10-14 20:03:05,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 61 transitions. [2024-10-14 20:03:05,426 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 61 transitions. Word has length 23 [2024-10-14 20:03:05,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:03:05,426 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 61 transitions. [2024-10-14 20:03:05,426 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.2) internal successors, (32), 9 states have internal predecessors, (32), 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) [2024-10-14 20:03:05,426 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 61 transitions. [2024-10-14 20:03:05,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-10-14 20:03:05,427 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:03:05,427 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:03:05,443 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-10-14 20:03:05,627 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-10-14 20:03:05,628 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-10-14 20:03:05,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:03:05,628 INFO L85 PathProgramCache]: Analyzing trace with hash -215486095, now seen corresponding path program 2 times [2024-10-14 20:03:05,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:03:05,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578592075] [2024-10-14 20:03:05,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:03:05,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:03:05,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:03:05,672 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-14 20:03:05,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:03:05,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578592075] [2024-10-14 20:03:05,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578592075] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:03:05,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1202341539] [2024-10-14 20:03:05,672 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 20:03:05,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:03:05,673 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:03:05,675 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) [2024-10-14 20:03:05,676 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-14 20:03:05,729 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-14 20:03:05,729 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 20:03:05,729 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-14 20:03:05,731 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:03:05,750 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-10-14 20:03:05,751 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:03:05,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1202341539] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:03:05,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:03:05,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2024-10-14 20:03:05,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983071062] [2024-10-14 20:03:05,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:03:05,752 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:03:05,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:03:05,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:03:05,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-14 20:03:05,753 INFO L87 Difference]: Start difference. First operand 54 states and 61 transitions. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 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) [2024-10-14 20:03:05,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:03:05,799 INFO L93 Difference]: Finished difference Result 82 states and 92 transitions. [2024-10-14 20:03:05,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:03:05,799 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 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 29 [2024-10-14 20:03:05,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:03:05,800 INFO L225 Difference]: With dead ends: 82 [2024-10-14 20:03:05,800 INFO L226 Difference]: Without dead ends: 65 [2024-10-14 20:03:05,800 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-10-14 20:03:05,801 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 14 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 20:03:05,801 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 89 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 20:03:05,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2024-10-14 20:03:05,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 55. [2024-10-14 20:03:05,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 49 states have (on average 1.2653061224489797) internal successors, (62), 54 states have internal predecessors, (62), 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) [2024-10-14 20:03:05,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 62 transitions. [2024-10-14 20:03:05,811 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 62 transitions. Word has length 29 [2024-10-14 20:03:05,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:03:05,812 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 62 transitions. [2024-10-14 20:03:05,815 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 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) [2024-10-14 20:03:05,815 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 62 transitions. [2024-10-14 20:03:05,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-10-14 20:03:05,816 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:03:05,816 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:03:05,834 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-14 20:03:06,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:03:06,017 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-10-14 20:03:06,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:03:06,018 INFO L85 PathProgramCache]: Analyzing trace with hash 1909914300, now seen corresponding path program 1 times [2024-10-14 20:03:06,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:03:06,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244897967] [2024-10-14 20:03:06,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:03:06,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:03:06,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:03:06,092 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-14 20:03:06,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:03:06,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244897967] [2024-10-14 20:03:06,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244897967] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:03:06,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [410033505] [2024-10-14 20:03:06,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:03:06,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:03:06,093 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:03:06,095 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) [2024-10-14 20:03:06,097 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-14 20:03:06,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:03:06,160 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-14 20:03:06,162 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:03:06,237 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-14 20:03:06,237 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:03:06,347 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-14 20:03:06,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [410033505] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:03:06,348 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:03:06,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 8, 8] total 18 [2024-10-14 20:03:06,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234527204] [2024-10-14 20:03:06,349 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:03:06,349 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-10-14 20:03:06,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:03:06,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-10-14 20:03:06,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=229, Unknown=0, NotChecked=0, Total=306 [2024-10-14 20:03:06,350 INFO L87 Difference]: Start difference. First operand 55 states and 62 transitions. Second operand has 18 states, 18 states have (on average 3.0555555555555554) internal successors, (55), 18 states have internal predecessors, (55), 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) [2024-10-14 20:03:06,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:03:06,475 INFO L93 Difference]: Finished difference Result 138 states and 160 transitions. [2024-10-14 20:03:06,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-14 20:03:06,476 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.0555555555555554) internal successors, (55), 18 states have internal predecessors, (55), 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 30 [2024-10-14 20:03:06,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:03:06,476 INFO L225 Difference]: With dead ends: 138 [2024-10-14 20:03:06,476 INFO L226 Difference]: Without dead ends: 94 [2024-10-14 20:03:06,477 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=229, Unknown=0, NotChecked=0, Total=306 [2024-10-14 20:03:06,478 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 15 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 20:03:06,478 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 188 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 20:03:06,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-10-14 20:03:06,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 80. [2024-10-14 20:03:06,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 74 states have (on average 1.1891891891891893) internal successors, (88), 79 states have internal predecessors, (88), 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) [2024-10-14 20:03:06,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 88 transitions. [2024-10-14 20:03:06,490 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 88 transitions. Word has length 30 [2024-10-14 20:03:06,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:03:06,490 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 88 transitions. [2024-10-14 20:03:06,490 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.0555555555555554) internal successors, (55), 18 states have internal predecessors, (55), 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) [2024-10-14 20:03:06,490 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 88 transitions. [2024-10-14 20:03:06,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-10-14 20:03:06,492 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:03:06,492 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:03:06,510 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-10-14 20:03:06,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-10-14 20:03:06,697 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-10-14 20:03:06,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:03:06,697 INFO L85 PathProgramCache]: Analyzing trace with hash 418051275, now seen corresponding path program 2 times [2024-10-14 20:03:06,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:03:06,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976400514] [2024-10-14 20:03:06,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:03:06,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:03:06,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:03:06,773 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-10-14 20:03:06,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:03:06,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976400514] [2024-10-14 20:03:06,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976400514] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:03:06,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1146173705] [2024-10-14 20:03:06,774 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 20:03:06,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:03:06,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:03:06,775 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) [2024-10-14 20:03:06,777 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-14 20:03:06,831 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-14 20:03:06,831 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 20:03:06,832 INFO L255 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 20:03:06,833 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:03:06,867 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2024-10-14 20:03:06,868 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:03:06,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1146173705] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:03:06,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:03:06,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-10-14 20:03:06,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961710861] [2024-10-14 20:03:06,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:03:06,869 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 20:03:06,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:03:06,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 20:03:06,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:03:06,870 INFO L87 Difference]: Start difference. First operand 80 states and 88 transitions. Second operand has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 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) [2024-10-14 20:03:06,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:03:06,925 INFO L93 Difference]: Finished difference Result 88 states and 97 transitions. [2024-10-14 20:03:06,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 20:03:06,926 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 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 48 [2024-10-14 20:03:06,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:03:06,926 INFO L225 Difference]: With dead ends: 88 [2024-10-14 20:03:06,927 INFO L226 Difference]: Without dead ends: 87 [2024-10-14 20:03:06,927 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-10-14 20:03:06,927 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 9 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 20:03:06,928 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 110 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 20:03:06,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2024-10-14 20:03:06,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 85. [2024-10-14 20:03:06,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 79 states have (on average 1.2025316455696202) internal successors, (95), 84 states have internal predecessors, (95), 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) [2024-10-14 20:03:06,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 95 transitions. [2024-10-14 20:03:06,939 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 95 transitions. Word has length 48 [2024-10-14 20:03:06,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:03:06,939 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 95 transitions. [2024-10-14 20:03:06,939 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 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) [2024-10-14 20:03:06,939 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 95 transitions. [2024-10-14 20:03:06,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-10-14 20:03:06,940 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:03:06,940 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:03:06,960 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-10-14 20:03:07,144 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-10-14 20:03:07,145 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-10-14 20:03:07,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:03:07,146 INFO L85 PathProgramCache]: Analyzing trace with hash 74687777, now seen corresponding path program 1 times [2024-10-14 20:03:07,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:03:07,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290250575] [2024-10-14 20:03:07,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:03:07,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:03:07,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:03:07,202 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2024-10-14 20:03:07,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:03:07,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290250575] [2024-10-14 20:03:07,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290250575] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:03:07,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:03:07,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 20:03:07,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713385030] [2024-10-14 20:03:07,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:03:07,204 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:03:07,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:03:07,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:03:07,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:03:07,205 INFO L87 Difference]: Start difference. First operand 85 states and 95 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 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) [2024-10-14 20:03:07,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:03:07,224 INFO L93 Difference]: Finished difference Result 85 states and 95 transitions. [2024-10-14 20:03:07,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:03:07,224 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 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 49 [2024-10-14 20:03:07,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:03:07,225 INFO L225 Difference]: With dead ends: 85 [2024-10-14 20:03:07,225 INFO L226 Difference]: Without dead ends: 84 [2024-10-14 20:03:07,226 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 [2024-10-14 20:03:07,226 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 0 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 20:03:07,227 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 94 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 20:03:07,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-10-14 20:03:07,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2024-10-14 20:03:07,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 79 states have (on average 1.1772151898734178) internal successors, (93), 83 states have internal predecessors, (93), 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) [2024-10-14 20:03:07,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 93 transitions. [2024-10-14 20:03:07,231 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 93 transitions. Word has length 49 [2024-10-14 20:03:07,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:03:07,232 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 93 transitions. [2024-10-14 20:03:07,232 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 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) [2024-10-14 20:03:07,232 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 93 transitions. [2024-10-14 20:03:07,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-10-14 20:03:07,233 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:03:07,233 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 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] [2024-10-14 20:03:07,234 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-14 20:03:07,234 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-10-14 20:03:07,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:03:07,234 INFO L85 PathProgramCache]: Analyzing trace with hash 230621365, now seen corresponding path program 1 times [2024-10-14 20:03:07,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:03:07,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514378647] [2024-10-14 20:03:07,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:03:07,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:03:07,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:03:07,333 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-10-14 20:03:07,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:03:07,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514378647] [2024-10-14 20:03:07,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514378647] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:03:07,333 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:03:07,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 20:03:07,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673322598] [2024-10-14 20:03:07,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:03:07,334 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:03:07,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:03:07,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:03:07,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:03:07,335 INFO L87 Difference]: Start difference. First operand 84 states and 93 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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) [2024-10-14 20:03:07,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:03:07,368 INFO L93 Difference]: Finished difference Result 89 states and 98 transitions. [2024-10-14 20:03:07,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:03:07,369 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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 52 [2024-10-14 20:03:07,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:03:07,369 INFO L225 Difference]: With dead ends: 89 [2024-10-14 20:03:07,369 INFO L226 Difference]: Without dead ends: 87 [2024-10-14 20:03:07,370 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 [2024-10-14 20:03:07,370 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 1 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 82 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 [2024-10-14 20:03:07,370 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 82 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 20:03:07,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2024-10-14 20:03:07,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2024-10-14 20:03:07,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 82 states have (on average 1.170731707317073) internal successors, (96), 86 states have internal predecessors, (96), 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) [2024-10-14 20:03:07,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 96 transitions. [2024-10-14 20:03:07,377 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 96 transitions. Word has length 52 [2024-10-14 20:03:07,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:03:07,378 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 96 transitions. [2024-10-14 20:03:07,378 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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) [2024-10-14 20:03:07,378 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 96 transitions. [2024-10-14 20:03:07,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-10-14 20:03:07,381 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:03:07,382 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 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] [2024-10-14 20:03:07,382 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-14 20:03:07,382 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-10-14 20:03:07,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:03:07,382 INFO L85 PathProgramCache]: Analyzing trace with hash -1506443263, now seen corresponding path program 1 times [2024-10-14 20:03:07,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:03:07,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220604638] [2024-10-14 20:03:07,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:03:07,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:03:07,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:03:07,466 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-10-14 20:03:07,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:03:07,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220604638] [2024-10-14 20:03:07,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220604638] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:03:07,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1104255864] [2024-10-14 20:03:07,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:03:07,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:03:07,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:03:07,469 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) [2024-10-14 20:03:07,470 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-14 20:03:07,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:03:07,551 INFO L255 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-14 20:03:07,553 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:03:07,752 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-14 20:03:07,752 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:03:08,093 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-14 20:03:08,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1104255864] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:03:08,093 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:03:08,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 16, 16] total 35 [2024-10-14 20:03:08,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001691958] [2024-10-14 20:03:08,094 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:03:08,094 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-10-14 20:03:08,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:03:08,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-10-14 20:03:08,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=278, Invalid=912, Unknown=0, NotChecked=0, Total=1190 [2024-10-14 20:03:08,096 INFO L87 Difference]: Start difference. First operand 87 states and 96 transitions. Second operand has 35 states, 35 states have (on average 2.914285714285714) internal successors, (102), 35 states have internal predecessors, (102), 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) [2024-10-14 20:03:08,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:03:08,283 INFO L93 Difference]: Finished difference Result 185 states and 213 transitions. [2024-10-14 20:03:08,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-10-14 20:03:08,283 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 2.914285714285714) internal successors, (102), 35 states have internal predecessors, (102), 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 55 [2024-10-14 20:03:08,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:03:08,284 INFO L225 Difference]: With dead ends: 185 [2024-10-14 20:03:08,284 INFO L226 Difference]: Without dead ends: 121 [2024-10-14 20:03:08,285 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 237 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=278, Invalid=912, Unknown=0, NotChecked=0, Total=1190 [2024-10-14 20:03:08,286 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 9 mSDsluCounter, 364 mSDsCounter, 0 mSdLazyCounter, 295 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 295 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 20:03:08,286 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 394 Invalid, 295 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 295 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 20:03:08,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-10-14 20:03:08,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 113. [2024-10-14 20:03:08,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 108 states have (on average 1.1296296296296295) internal successors, (122), 112 states have internal predecessors, (122), 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) [2024-10-14 20:03:08,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 122 transitions. [2024-10-14 20:03:08,291 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 122 transitions. Word has length 55 [2024-10-14 20:03:08,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:03:08,291 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 122 transitions. [2024-10-14 20:03:08,291 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 2.914285714285714) internal successors, (102), 35 states have internal predecessors, (102), 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) [2024-10-14 20:03:08,291 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 122 transitions. [2024-10-14 20:03:08,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-10-14 20:03:08,292 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:03:08,292 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 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] [2024-10-14 20:03:08,310 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-10-14 20:03:08,492 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,SelfDestructingSolverStorable15 [2024-10-14 20:03:08,493 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-10-14 20:03:08,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:03:08,493 INFO L85 PathProgramCache]: Analyzing trace with hash 1776243597, now seen corresponding path program 1 times [2024-10-14 20:03:08,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:03:08,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825141469] [2024-10-14 20:03:08,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:03:08,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:03:08,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:03:08,570 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 341 trivial. 0 not checked. [2024-10-14 20:03:08,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:03:08,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825141469] [2024-10-14 20:03:08,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825141469] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:03:08,571 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:03:08,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 20:03:08,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521530509] [2024-10-14 20:03:08,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:03:08,582 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 20:03:08,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:03:08,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 20:03:08,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:03:08,583 INFO L87 Difference]: Start difference. First operand 113 states and 122 transitions. Second operand has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 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) [2024-10-14 20:03:08,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:03:08,600 INFO L93 Difference]: Finished difference Result 113 states and 122 transitions. [2024-10-14 20:03:08,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 20:03:08,601 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 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 80 [2024-10-14 20:03:08,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:03:08,601 INFO L225 Difference]: With dead ends: 113 [2024-10-14 20:03:08,601 INFO L226 Difference]: Without dead ends: 112 [2024-10-14 20:03:08,602 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 [2024-10-14 20:03:08,602 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 8 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 20:03:08,602 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 51 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 20:03:08,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2024-10-14 20:03:08,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2024-10-14 20:03:08,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 108 states have (on average 1.1203703703703705) internal successors, (121), 111 states have internal predecessors, (121), 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) [2024-10-14 20:03:08,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 121 transitions. [2024-10-14 20:03:08,608 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 121 transitions. Word has length 80 [2024-10-14 20:03:08,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:03:08,608 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 121 transitions. [2024-10-14 20:03:08,608 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 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) [2024-10-14 20:03:08,608 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 121 transitions. [2024-10-14 20:03:08,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-10-14 20:03:08,610 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:03:08,610 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 2, 2, 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] [2024-10-14 20:03:08,610 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-14 20:03:08,610 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-10-14 20:03:08,611 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:03:08,611 INFO L85 PathProgramCache]: Analyzing trace with hash 2076027593, now seen corresponding path program 1 times [2024-10-14 20:03:08,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:03:08,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861351579] [2024-10-14 20:03:08,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:03:08,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:03:08,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:03:08,707 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2024-10-14 20:03:08,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:03:08,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861351579] [2024-10-14 20:03:08,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861351579] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:03:08,708 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:03:08,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 20:03:08,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681918301] [2024-10-14 20:03:08,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:03:08,709 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:03:08,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:03:08,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:03:08,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:03:08,710 INFO L87 Difference]: Start difference. First operand 112 states and 121 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) [2024-10-14 20:03:08,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:03:08,733 INFO L93 Difference]: Finished difference Result 112 states and 121 transitions. [2024-10-14 20:03:08,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:03:08,734 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 83 [2024-10-14 20:03:08,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:03:08,735 INFO L225 Difference]: With dead ends: 112 [2024-10-14 20:03:08,735 INFO L226 Difference]: Without dead ends: 110 [2024-10-14 20:03:08,735 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 [2024-10-14 20:03:08,735 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 8 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 20:03:08,736 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 69 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 20:03:08,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2024-10-14 20:03:08,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 108. [2024-10-14 20:03:08,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 106 states have (on average 1.1037735849056605) internal successors, (117), 107 states have internal predecessors, (117), 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) [2024-10-14 20:03:08,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 117 transitions. [2024-10-14 20:03:08,741 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 117 transitions. Word has length 83 [2024-10-14 20:03:08,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:03:08,741 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 117 transitions. [2024-10-14 20:03:08,741 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) [2024-10-14 20:03:08,742 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 117 transitions. [2024-10-14 20:03:08,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-10-14 20:03:08,743 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:03:08,743 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:03:08,744 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-14 20:03:08,744 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-10-14 20:03:08,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:03:08,744 INFO L85 PathProgramCache]: Analyzing trace with hash -67653909, now seen corresponding path program 1 times [2024-10-14 20:03:08,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:03:08,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184326055] [2024-10-14 20:03:08,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:03:08,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:03:08,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:03:08,821 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 341 trivial. 0 not checked. [2024-10-14 20:03:08,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:03:08,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184326055] [2024-10-14 20:03:08,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184326055] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:03:08,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:03:08,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 20:03:08,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569169497] [2024-10-14 20:03:08,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:03:08,823 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:03:08,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:03:08,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:03:08,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:03:08,824 INFO L87 Difference]: Start difference. First operand 108 states and 117 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 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) [2024-10-14 20:03:08,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:03:08,844 INFO L93 Difference]: Finished difference Result 108 states and 117 transitions. [2024-10-14 20:03:08,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:03:08,844 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 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 84 [2024-10-14 20:03:08,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:03:08,845 INFO L225 Difference]: With dead ends: 108 [2024-10-14 20:03:08,845 INFO L226 Difference]: Without dead ends: 107 [2024-10-14 20:03:08,845 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 [2024-10-14 20:03:08,846 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 6 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 20:03:08,846 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 69 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 20:03:08,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2024-10-14 20:03:08,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 104. [2024-10-14 20:03:08,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 103 states have (on average 1.0970873786407767) internal successors, (113), 103 states have internal predecessors, (113), 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) [2024-10-14 20:03:08,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 113 transitions. [2024-10-14 20:03:08,851 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 113 transitions. Word has length 84 [2024-10-14 20:03:08,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:03:08,851 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 113 transitions. [2024-10-14 20:03:08,851 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 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) [2024-10-14 20:03:08,851 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 113 transitions. [2024-10-14 20:03:08,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-10-14 20:03:08,852 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:03:08,852 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:03:08,852 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-14 20:03:08,852 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-10-14 20:03:08,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:03:08,853 INFO L85 PathProgramCache]: Analyzing trace with hash -67605404, now seen corresponding path program 1 times [2024-10-14 20:03:08,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:03:08,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428575321] [2024-10-14 20:03:08,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:03:08,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:03:08,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:03:08,949 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2024-10-14 20:03:08,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:03:08,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428575321] [2024-10-14 20:03:08,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428575321] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:03:08,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2139950825] [2024-10-14 20:03:08,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:03:08,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:03:08,951 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:03:08,952 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:03:08,954 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-14 20:03:09,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:03:09,080 INFO L255 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-10-14 20:03:09,083 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:03:09,590 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 0 proven. 330 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-14 20:03:09,594 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:03:10,558 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 0 proven. 330 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-14 20:03:10,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2139950825] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:03:10,559 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:03:10,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 32, 32] total 67 [2024-10-14 20:03:10,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855367150] [2024-10-14 20:03:10,559 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:03:10,560 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 67 states [2024-10-14 20:03:10,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:03:10,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2024-10-14 20:03:10,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1065, Invalid=3357, Unknown=0, NotChecked=0, Total=4422 [2024-10-14 20:03:10,563 INFO L87 Difference]: Start difference. First operand 104 states and 113 transitions. Second operand has 67 states, 67 states have (on average 2.074626865671642) internal successors, (139), 67 states have internal predecessors, (139), 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) [2024-10-14 20:03:10,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:03:10,790 INFO L93 Difference]: Finished difference Result 239 states and 278 transitions. [2024-10-14 20:03:10,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-10-14 20:03:10,791 INFO L78 Accepts]: Start accepts. Automaton has has 67 states, 67 states have (on average 2.074626865671642) internal successors, (139), 67 states have internal predecessors, (139), 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 84 [2024-10-14 20:03:10,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:03:10,791 INFO L225 Difference]: With dead ends: 239 [2024-10-14 20:03:10,791 INFO L226 Difference]: Without dead ends: 182 [2024-10-14 20:03:10,793 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1233 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1065, Invalid=3357, Unknown=0, NotChecked=0, Total=4422 [2024-10-14 20:03:10,793 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 25 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 20:03:10,793 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 189 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 20:03:10,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2024-10-14 20:03:10,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 168. [2024-10-14 20:03:10,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 167 states have (on average 1.0718562874251496) internal successors, (179), 167 states have internal predecessors, (179), 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) [2024-10-14 20:03:10,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 179 transitions. [2024-10-14 20:03:10,799 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 179 transitions. Word has length 84 [2024-10-14 20:03:10,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:03:10,799 INFO L471 AbstractCegarLoop]: Abstraction has 168 states and 179 transitions. [2024-10-14 20:03:10,800 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 67 states, 67 states have (on average 2.074626865671642) internal successors, (139), 67 states have internal predecessors, (139), 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) [2024-10-14 20:03:10,800 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 179 transitions. [2024-10-14 20:03:10,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-10-14 20:03:10,801 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:03:10,801 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:03:10,819 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-10-14 20:03:11,005 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable19 [2024-10-14 20:03:11,006 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-10-14 20:03:11,006 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:03:11,006 INFO L85 PathProgramCache]: Analyzing trace with hash -730497741, now seen corresponding path program 2 times [2024-10-14 20:03:11,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:03:11,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664751250] [2024-10-14 20:03:11,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:03:11,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:03:11,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:03:11,186 INFO L134 CoverageAnalysis]: Checked inductivity of 1457 backedges. 1 proven. 21 refuted. 0 times theorem prover too weak. 1435 trivial. 0 not checked. [2024-10-14 20:03:11,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:03:11,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664751250] [2024-10-14 20:03:11,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664751250] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:03:11,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1342785224] [2024-10-14 20:03:11,187 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 20:03:11,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:03:11,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:03:11,189 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:03:11,191 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-14 20:03:11,286 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-14 20:03:11,286 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 20:03:11,287 INFO L255 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 20:03:11,289 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:03:11,324 INFO L134 CoverageAnalysis]: Checked inductivity of 1457 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1451 trivial. 0 not checked. [2024-10-14 20:03:11,325 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:03:11,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1342785224] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:03:11,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:03:11,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-10-14 20:03:11,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064310323] [2024-10-14 20:03:11,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:03:11,326 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 20:03:11,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:03:11,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 20:03:11,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-10-14 20:03:11,327 INFO L87 Difference]: Start difference. First operand 168 states and 179 transitions. Second operand has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 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) [2024-10-14 20:03:11,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:03:11,371 INFO L93 Difference]: Finished difference Result 168 states and 179 transitions. [2024-10-14 20:03:11,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 20:03:11,372 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 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 138 [2024-10-14 20:03:11,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:03:11,373 INFO L225 Difference]: With dead ends: 168 [2024-10-14 20:03:11,373 INFO L226 Difference]: Without dead ends: 0 [2024-10-14 20:03:11,373 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-10-14 20:03:11,374 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 9 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 20:03:11,374 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 87 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 20:03:11,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-14 20:03:11,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-14 20:03:11,374 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) [2024-10-14 20:03:11,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-14 20:03:11,375 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 138 [2024-10-14 20:03:11,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:03:11,375 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-14 20:03:11,375 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 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) [2024-10-14 20:03:11,375 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-14 20:03:11,376 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-14 20:03:11,378 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 16 remaining) [2024-10-14 20:03:11,379 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 16 remaining) [2024-10-14 20:03:11,379 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 16 remaining) [2024-10-14 20:03:11,379 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 16 remaining) [2024-10-14 20:03:11,379 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 16 remaining) [2024-10-14 20:03:11,379 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 16 remaining) [2024-10-14 20:03:11,379 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 16 remaining) [2024-10-14 20:03:11,380 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 16 remaining) [2024-10-14 20:03:11,380 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 16 remaining) [2024-10-14 20:03:11,380 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 16 remaining) [2024-10-14 20:03:11,380 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 16 remaining) [2024-10-14 20:03:11,380 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 16 remaining) [2024-10-14 20:03:11,380 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 16 remaining) [2024-10-14 20:03:11,381 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 16 remaining) [2024-10-14 20:03:11,381 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 16 remaining) [2024-10-14 20:03:11,381 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 16 remaining) [2024-10-14 20:03:11,398 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-10-14 20:03:11,581 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:03:11,585 INFO L407 BasicCegarLoop]: Path program histogram: [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:03:11,588 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-14 20:03:11,673 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-14 20:03:11,689 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 08:03:11 BoogieIcfgContainer [2024-10-14 20:03:11,689 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-14 20:03:11,690 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-14 20:03:11,690 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-14 20:03:11,690 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-14 20:03:11,691 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:03:01" (3/4) ... [2024-10-14 20:03:11,693 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-14 20:03:11,702 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-10-14 20:03:11,703 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-14 20:03:11,703 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-14 20:03:11,703 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-14 20:03:11,810 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-14 20:03:11,810 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-14 20:03:11,810 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-14 20:03:11,811 INFO L158 Benchmark]: Toolchain (without parser) took 10882.69ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 136.1MB in the beginning and 159.4MB in the end (delta: -23.3MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. [2024-10-14 20:03:11,811 INFO L158 Benchmark]: CDTParser took 0.93ms. Allocated memory is still 109.1MB. Free memory is still 81.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 20:03:11,811 INFO L158 Benchmark]: CACSL2BoogieTranslator took 252.77ms. Allocated memory is still 163.6MB. Free memory was 135.1MB in the beginning and 122.6MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-14 20:03:11,811 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.56ms. Allocated memory is still 163.6MB. Free memory was 122.6MB in the beginning and 121.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 20:03:11,812 INFO L158 Benchmark]: Boogie Preprocessor took 39.38ms. Allocated memory is still 163.6MB. Free memory was 121.6MB in the beginning and 119.5MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-14 20:03:11,812 INFO L158 Benchmark]: RCFGBuilder took 353.08ms. Allocated memory is still 163.6MB. Free memory was 119.5MB in the beginning and 103.7MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-14 20:03:11,815 INFO L158 Benchmark]: TraceAbstraction took 10066.29ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 102.7MB in the beginning and 164.6MB in the end (delta: -61.9MB). Peak memory consumption was 83.3MB. Max. memory is 16.1GB. [2024-10-14 20:03:11,815 INFO L158 Benchmark]: Witness Printer took 120.48ms. Allocated memory is still 197.1MB. Free memory was 164.6MB in the beginning and 159.4MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-14 20:03:11,816 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.93ms. Allocated memory is still 109.1MB. Free memory is still 81.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 252.77ms. Allocated memory is still 163.6MB. Free memory was 135.1MB in the beginning and 122.6MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.56ms. Allocated memory is still 163.6MB. Free memory was 122.6MB in the beginning and 121.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 39.38ms. Allocated memory is still 163.6MB. Free memory was 121.6MB in the beginning and 119.5MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 353.08ms. Allocated memory is still 163.6MB. Free memory was 119.5MB in the beginning and 103.7MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 10066.29ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 102.7MB in the beginning and 164.6MB in the end (delta: -61.9MB). Peak memory consumption was 83.3MB. Max. memory is 16.1GB. * Witness Printer took 120.48ms. Allocated memory is still 197.1MB. Free memory was 164.6MB in the beginning and 159.4MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. 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: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: 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, 49 locations, 16 error locations. Started 1 CEGAR loops. OverallTime: 9.8s, OverallIterations: 21, TraceHistogramMax: 31, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 166 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 166 mSDsluCounter, 2340 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1671 mSDsCounter, 24 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1130 IncrementalHoareTripleChecker+Invalid, 1154 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 24 mSolverCounterUnsat, 669 mSDtfsCounter, 1130 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 754 GetRequests, 568 SyntacticMatches, 0 SemanticMatches, 186 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1565 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=168occurred in iteration=20, InterpolantAutomatonStates: 188, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 21 MinimizatonAttempts, 91 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.0s InterpolantComputationTime, 1352 NumberOfCodeBlocks, 1172 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 1505 ConstructedInterpolants, 0 QuantifiedInterpolants, 2193 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1280 ConjunctsInSsa, 88 ConjunctsInUnsatCore, 39 InterpolantComputations, 17 PerfectInterpolantSequences, 4795/5671 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: 25]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 41]: Loop Invariant Derived loop invariant: (((0 <= (2147483649 + x)) && (x <= 99999)) && (0 <= (y + 2147483648))) - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: ((0 < j) || (j == 0)) - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: (0 < (2147483650 + x)) - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: (0 < i) RESULT: Ultimate proved your program to be correct! [2024-10-14 20:03:11,843 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