./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/sum_25x0-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a046e57d 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/recursive-simple/sum_25x0-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0189dbb29c824fc5d22409df9775c70fa543bd61c2bf554681db703f0a461966 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 14:01:05,242 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 14:01:05,319 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-13 14:01:05,325 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 14:01:05,326 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 14:01:05,346 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 14:01:05,349 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 14:01:05,349 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 14:01:05,350 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 14:01:05,350 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 14:01:05,351 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 14:01:05,351 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 14:01:05,351 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 14:01:05,352 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 14:01:05,352 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 14:01:05,352 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 14:01:05,353 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 14:01:05,353 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 14:01:05,355 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 14:01:05,356 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 14:01:05,359 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 14:01:05,360 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 14:01:05,360 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 14:01:05,361 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 14:01:05,361 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 14:01:05,361 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-13 14:01:05,361 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 14:01:05,361 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 14:01:05,362 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 14:01:05,362 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 14:01:05,362 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 14:01:05,362 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 14:01:05,363 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 14:01:05,363 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 14:01:05,363 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 14:01:05,364 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 14:01:05,365 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 14:01:05,365 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 14:01:05,365 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 14:01:05,365 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 14:01:05,365 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 14:01:05,366 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 14:01:05,366 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 14:01:05,366 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 14:01:05,367 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0189dbb29c824fc5d22409df9775c70fa543bd61c2bf554681db703f0a461966 [2024-10-13 14:01:05,698 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 14:01:05,725 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 14:01:05,728 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 14:01:05,729 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 14:01:05,729 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 14:01:05,730 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/sum_25x0-2.c [2024-10-13 14:01:07,218 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 14:01:07,432 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 14:01:07,433 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/sum_25x0-2.c [2024-10-13 14:01:07,443 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b3d59886/548ac290fbb84dbd9af7be4984707611/FLAG38c23c5bd [2024-10-13 14:01:07,462 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b3d59886/548ac290fbb84dbd9af7be4984707611 [2024-10-13 14:01:07,465 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 14:01:07,467 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 14:01:07,470 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 14:01:07,470 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 14:01:07,476 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 14:01:07,477 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 02:01:07" (1/1) ... [2024-10-13 14:01:07,478 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a3c8240 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:01:07, skipping insertion in model container [2024-10-13 14:01:07,478 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 02:01:07" (1/1) ... [2024-10-13 14:01:07,500 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 14:01:07,688 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 14:01:07,701 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 14:01:07,713 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 14:01:07,727 INFO L204 MainTranslator]: Completed translation [2024-10-13 14:01:07,727 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:01:07 WrapperNode [2024-10-13 14:01:07,727 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 14:01:07,728 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 14:01:07,729 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 14:01:07,729 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 14:01:07,736 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:01:07" (1/1) ... [2024-10-13 14:01:07,742 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:01:07" (1/1) ... [2024-10-13 14:01:07,760 INFO L138 Inliner]: procedures = 12, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 22 [2024-10-13 14:01:07,760 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 14:01:07,761 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 14:01:07,761 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 14:01:07,765 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 14:01:07,774 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:01:07" (1/1) ... [2024-10-13 14:01:07,774 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:01:07" (1/1) ... [2024-10-13 14:01:07,775 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:01:07" (1/1) ... [2024-10-13 14:01:07,785 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-13 14:01:07,785 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:01:07" (1/1) ... [2024-10-13 14:01:07,786 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:01:07" (1/1) ... [2024-10-13 14:01:07,788 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:01:07" (1/1) ... [2024-10-13 14:01:07,789 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:01:07" (1/1) ... [2024-10-13 14:01:07,790 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:01:07" (1/1) ... [2024-10-13 14:01:07,791 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:01:07" (1/1) ... [2024-10-13 14:01:07,792 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 14:01:07,793 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 14:01:07,793 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 14:01:07,793 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 14:01:07,794 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:01:07" (1/1) ... [2024-10-13 14:01:07,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 14:01:07,811 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 14:01:07,827 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) [2024-10-13 14:01:07,829 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 [2024-10-13 14:01:07,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 14:01:07,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 14:01:07,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 14:01:07,871 INFO L130 BoogieDeclarations]: Found specification of procedure sum [2024-10-13 14:01:07,871 INFO L138 BoogieDeclarations]: Found implementation of procedure sum [2024-10-13 14:01:07,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 14:01:07,937 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 14:01:07,939 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 14:01:08,086 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-10-13 14:01:08,086 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 14:01:08,116 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 14:01:08,117 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-13 14:01:08,117 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 02:01:08 BoogieIcfgContainer [2024-10-13 14:01:08,117 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 14:01:08,119 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 14:01:08,119 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 14:01:08,123 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 14:01:08,123 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 02:01:07" (1/3) ... [2024-10-13 14:01:08,124 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4169071d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 02:01:08, skipping insertion in model container [2024-10-13 14:01:08,124 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:01:07" (2/3) ... [2024-10-13 14:01:08,124 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4169071d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 02:01:08, skipping insertion in model container [2024-10-13 14:01:08,125 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 02:01:08" (3/3) ... [2024-10-13 14:01:08,126 INFO L112 eAbstractionObserver]: Analyzing ICFG sum_25x0-2.c [2024-10-13 14:01:08,143 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 14:01:08,143 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-10-13 14:01:08,212 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 14:01:08,220 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;@494b1d43, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 14:01:08,220 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-10-13 14:01:08,225 INFO L276 IsEmpty]: Start isEmpty. Operand has 28 states, 16 states have (on average 1.625) internal successors, (26), 24 states have internal predecessors, (26), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-13 14:01:08,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-10-13 14:01:08,233 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 14:01:08,234 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-10-13 14:01:08,235 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 14:01:08,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 14:01:08,241 INFO L85 PathProgramCache]: Analyzing trace with hash 71429977, now seen corresponding path program 1 times [2024-10-13 14:01:08,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 14:01:08,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822139461] [2024-10-13 14:01:08,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 14:01:08,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 14:01:08,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:01:08,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 14:01:08,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 14:01:08,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822139461] [2024-10-13 14:01:08,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822139461] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 14:01:08,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 14:01:08,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 14:01:08,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877833727] [2024-10-13 14:01:08,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 14:01:08,476 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 14:01:08,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 14:01:08,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 14:01:08,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 14:01:08,502 INFO L87 Difference]: Start difference. First operand has 28 states, 16 states have (on average 1.625) internal successors, (26), 24 states have internal predecessors, (26), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 5 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 14:01:08,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 14:01:08,649 INFO L93 Difference]: Finished difference Result 56 states and 59 transitions. [2024-10-13 14:01:08,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 14:01:08,651 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-10-13 14:01:08,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 14:01:08,657 INFO L225 Difference]: With dead ends: 56 [2024-10-13 14:01:08,657 INFO L226 Difference]: Without dead ends: 38 [2024-10-13 14:01:08,660 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-13 14:01:08,663 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 23 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 14:01:08,664 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 59 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 14:01:08,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2024-10-13 14:01:08,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 35. [2024-10-13 14:01:08,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 22 states have (on average 1.5) internal successors, (33), 29 states have internal predecessors, (33), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-13 14:01:08,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 39 transitions. [2024-10-13 14:01:08,696 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 39 transitions. Word has length 5 [2024-10-13 14:01:08,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 14:01:08,696 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 39 transitions. [2024-10-13 14:01:08,696 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 14:01:08,697 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 39 transitions. [2024-10-13 14:01:08,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-13 14:01:08,697 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 14:01:08,697 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-13 14:01:08,697 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 14:01:08,698 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting sumErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 14:01:08,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 14:01:08,699 INFO L85 PathProgramCache]: Analyzing trace with hash -2080632986, now seen corresponding path program 1 times [2024-10-13 14:01:08,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 14:01:08,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295720702] [2024-10-13 14:01:08,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 14:01:08,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 14:01:08,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:01:08,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 14:01:08,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 14:01:08,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295720702] [2024-10-13 14:01:08,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295720702] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 14:01:08,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 14:01:08,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 14:01:08,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113062581] [2024-10-13 14:01:08,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 14:01:08,792 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 14:01:08,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 14:01:08,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 14:01:08,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 14:01:08,797 INFO L87 Difference]: Start difference. First operand 35 states and 39 transitions. Second operand has 5 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 14:01:08,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 14:01:08,886 INFO L93 Difference]: Finished difference Result 37 states and 42 transitions. [2024-10-13 14:01:08,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 14:01:08,887 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-10-13 14:01:08,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 14:01:08,890 INFO L225 Difference]: With dead ends: 37 [2024-10-13 14:01:08,891 INFO L226 Difference]: Without dead ends: 36 [2024-10-13 14:01:08,892 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-13 14:01:08,894 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 27 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 14:01:08,896 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 22 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 14:01:08,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2024-10-13 14:01:08,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 34. [2024-10-13 14:01:08,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 22 states have (on average 1.4090909090909092) internal successors, (31), 28 states have internal predecessors, (31), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-13 14:01:08,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 37 transitions. [2024-10-13 14:01:08,912 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 37 transitions. Word has length 6 [2024-10-13 14:01:08,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 14:01:08,912 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 37 transitions. [2024-10-13 14:01:08,912 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 14:01:08,912 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 37 transitions. [2024-10-13 14:01:08,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-13 14:01:08,913 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 14:01:08,913 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-13 14:01:08,913 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 14:01:08,913 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting sumErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 14:01:08,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 14:01:08,915 INFO L85 PathProgramCache]: Analyzing trace with hash -75113061, now seen corresponding path program 1 times [2024-10-13 14:01:08,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 14:01:08,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558115096] [2024-10-13 14:01:08,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 14:01:08,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 14:01:08,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:01:09,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 14:01:09,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 14:01:09,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558115096] [2024-10-13 14:01:09,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [558115096] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 14:01:09,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 14:01:09,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 14:01:09,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431775132] [2024-10-13 14:01:09,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 14:01:09,023 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 14:01:09,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 14:01:09,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 14:01:09,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 14:01:09,024 INFO L87 Difference]: Start difference. First operand 34 states and 37 transitions. Second operand has 5 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 14:01:09,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 14:01:09,081 INFO L93 Difference]: Finished difference Result 36 states and 37 transitions. [2024-10-13 14:01:09,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 14:01:09,082 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-10-13 14:01:09,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 14:01:09,083 INFO L225 Difference]: With dead ends: 36 [2024-10-13 14:01:09,083 INFO L226 Difference]: Without dead ends: 34 [2024-10-13 14:01:09,084 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-13 14:01:09,086 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 14 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 14:01:09,086 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 61 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 14:01:09,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2024-10-13 14:01:09,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2024-10-13 14:01:09,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 22 states have (on average 1.3181818181818181) internal successors, (29), 28 states have internal predecessors, (29), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-13 14:01:09,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 35 transitions. [2024-10-13 14:01:09,094 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 35 transitions. Word has length 7 [2024-10-13 14:01:09,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 14:01:09,094 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 35 transitions. [2024-10-13 14:01:09,094 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 14:01:09,094 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 35 transitions. [2024-10-13 14:01:09,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-10-13 14:01:09,096 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 14:01:09,096 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 14:01:09,097 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 14:01:09,097 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 14:01:09,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 14:01:09,098 INFO L85 PathProgramCache]: Analyzing trace with hash -1695709356, now seen corresponding path program 1 times [2024-10-13 14:01:09,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 14:01:09,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631803254] [2024-10-13 14:01:09,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 14:01:09,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 14:01:09,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:01:09,234 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 14:01:09,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 14:01:09,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631803254] [2024-10-13 14:01:09,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [631803254] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 14:01:09,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [824832001] [2024-10-13 14:01:09,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 14:01:09,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 14:01:09,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 14:01:09,238 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) [2024-10-13 14:01:09,240 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-13 14:01:09,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:01:09,279 INFO L255 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-13 14:01:09,283 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 14:01:09,351 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 14:01:09,352 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 14:01:09,487 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 14:01:09,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [824832001] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 14:01:09,488 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 14:01:09,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-10-13 14:01:09,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460138566] [2024-10-13 14:01:09,493 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 14:01:09,493 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-13 14:01:09,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 14:01:09,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-13 14:01:09,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-10-13 14:01:09,497 INFO L87 Difference]: Start difference. First operand 34 states and 35 transitions. Second operand has 12 states, 10 states have (on average 1.9) internal successors, (19), 7 states have internal predecessors, (19), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 14:01:09,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 14:01:09,685 INFO L93 Difference]: Finished difference Result 87 states and 96 transitions. [2024-10-13 14:01:09,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-13 14:01:09,686 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 1.9) internal successors, (19), 7 states have internal predecessors, (19), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2024-10-13 14:01:09,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 14:01:09,687 INFO L225 Difference]: With dead ends: 87 [2024-10-13 14:01:09,687 INFO L226 Difference]: Without dead ends: 71 [2024-10-13 14:01:09,688 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2024-10-13 14:01:09,689 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 96 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 14:01:09,692 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 109 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 14:01:09,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2024-10-13 14:01:09,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 63. [2024-10-13 14:01:09,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 46 states have (on average 1.2608695652173914) internal successors, (58), 51 states have internal predecessors, (58), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-13 14:01:09,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 70 transitions. [2024-10-13 14:01:09,713 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 70 transitions. Word has length 12 [2024-10-13 14:01:09,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 14:01:09,714 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 70 transitions. [2024-10-13 14:01:09,714 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 1.9) internal successors, (19), 7 states have internal predecessors, (19), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 14:01:09,714 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 70 transitions. [2024-10-13 14:01:09,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-10-13 14:01:09,714 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 14:01:09,715 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-10-13 14:01:09,734 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-13 14:01:09,919 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 14:01:09,920 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting sumErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 14:01:09,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 14:01:09,921 INFO L85 PathProgramCache]: Analyzing trace with hash -1783930154, now seen corresponding path program 1 times [2024-10-13 14:01:09,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 14:01:09,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726752264] [2024-10-13 14:01:09,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 14:01:09,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 14:01:09,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:01:10,008 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 14:01:10,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 14:01:10,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726752264] [2024-10-13 14:01:10,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726752264] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 14:01:10,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1226172132] [2024-10-13 14:01:10,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 14:01:10,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 14:01:10,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 14:01:10,012 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) [2024-10-13 14:01:10,017 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-13 14:01:10,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:01:10,053 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 14:01:10,055 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 14:01:10,115 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 14:01:10,116 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 14:01:10,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1226172132] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 14:01:10,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 14:01:10,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 9 [2024-10-13 14:01:10,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453905209] [2024-10-13 14:01:10,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 14:01:10,117 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 14:01:10,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 14:01:10,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 14:01:10,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-10-13 14:01:10,119 INFO L87 Difference]: Start difference. First operand 63 states and 70 transitions. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 14:01:10,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 14:01:10,182 INFO L93 Difference]: Finished difference Result 65 states and 73 transitions. [2024-10-13 14:01:10,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 14:01:10,183 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2024-10-13 14:01:10,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 14:01:10,185 INFO L225 Difference]: With dead ends: 65 [2024-10-13 14:01:10,186 INFO L226 Difference]: Without dead ends: 64 [2024-10-13 14:01:10,186 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-10-13 14:01:10,187 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 26 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 14:01:10,189 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 44 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 14:01:10,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2024-10-13 14:01:10,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 62. [2024-10-13 14:01:10,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 46 states have (on average 1.173913043478261) internal successors, (54), 50 states have internal predecessors, (54), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-13 14:01:10,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 66 transitions. [2024-10-13 14:01:10,203 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 66 transitions. Word has length 14 [2024-10-13 14:01:10,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 14:01:10,204 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 66 transitions. [2024-10-13 14:01:10,204 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 14:01:10,204 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 66 transitions. [2024-10-13 14:01:10,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-10-13 14:01:10,204 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 14:01:10,205 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-10-13 14:01:10,221 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-13 14:01:10,408 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 14:01:10,409 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting sumErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 14:01:10,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 14:01:10,409 INFO L85 PathProgramCache]: Analyzing trace with hash 532740141, now seen corresponding path program 1 times [2024-10-13 14:01:10,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 14:01:10,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646093160] [2024-10-13 14:01:10,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 14:01:10,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 14:01:10,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:01:10,508 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 14:01:10,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 14:01:10,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646093160] [2024-10-13 14:01:10,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646093160] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 14:01:10,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1088087643] [2024-10-13 14:01:10,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 14:01:10,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 14:01:10,509 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 14:01:10,511 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) [2024-10-13 14:01:10,512 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-13 14:01:10,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:01:10,553 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-13 14:01:10,554 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 14:01:10,603 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 14:01:10,606 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 14:01:10,682 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 14:01:10,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1088087643] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 14:01:10,682 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 14:01:10,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 13 [2024-10-13 14:01:10,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776661913] [2024-10-13 14:01:10,683 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 14:01:10,683 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-13 14:01:10,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 14:01:10,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-13 14:01:10,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2024-10-13 14:01:10,684 INFO L87 Difference]: Start difference. First operand 62 states and 66 transitions. Second operand has 15 states, 11 states have (on average 3.0) internal successors, (33), 9 states have internal predecessors, (33), 6 states have call successors, (6), 5 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 14:01:10,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 14:01:10,829 INFO L93 Difference]: Finished difference Result 65 states and 69 transitions. [2024-10-13 14:01:10,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-13 14:01:10,829 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 11 states have (on average 3.0) internal successors, (33), 9 states have internal predecessors, (33), 6 states have call successors, (6), 5 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2024-10-13 14:01:10,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 14:01:10,830 INFO L225 Difference]: With dead ends: 65 [2024-10-13 14:01:10,830 INFO L226 Difference]: Without dead ends: 64 [2024-10-13 14:01:10,830 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=256, Unknown=0, NotChecked=0, Total=342 [2024-10-13 14:01:10,831 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 84 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 14:01:10,831 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 104 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 14:01:10,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2024-10-13 14:01:10,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 62. [2024-10-13 14:01:10,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 46 states have (on average 1.108695652173913) internal successors, (51), 50 states have internal predecessors, (51), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-13 14:01:10,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 63 transitions. [2024-10-13 14:01:10,841 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 63 transitions. Word has length 15 [2024-10-13 14:01:10,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 14:01:10,841 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 63 transitions. [2024-10-13 14:01:10,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 11 states have (on average 3.0) internal successors, (33), 9 states have internal predecessors, (33), 6 states have call successors, (6), 5 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 14:01:10,842 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 63 transitions. [2024-10-13 14:01:10,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-10-13 14:01:10,842 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 14:01:10,842 INFO L215 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1] [2024-10-13 14:01:10,859 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-13 14:01:11,043 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 14:01:11,044 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 14:01:11,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 14:01:11,044 INFO L85 PathProgramCache]: Analyzing trace with hash 381703833, now seen corresponding path program 2 times [2024-10-13 14:01:11,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 14:01:11,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150362991] [2024-10-13 14:01:11,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 14:01:11,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 14:01:11,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:01:11,268 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 14:01:11,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 14:01:11,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150362991] [2024-10-13 14:01:11,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150362991] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 14:01:11,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [130698128] [2024-10-13 14:01:11,270 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-13 14:01:11,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 14:01:11,271 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 14:01:11,272 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) [2024-10-13 14:01:11,273 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-13 14:01:11,325 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-13 14:01:11,325 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 14:01:11,326 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-13 14:01:11,328 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 14:01:11,396 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 14:01:11,396 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 14:01:11,585 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 14:01:11,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [130698128] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 14:01:11,585 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 14:01:11,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 23 [2024-10-13 14:01:11,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688957290] [2024-10-13 14:01:11,586 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 14:01:11,587 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-10-13 14:01:11,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 14:01:11,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-10-13 14:01:11,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=416, Unknown=0, NotChecked=0, Total=552 [2024-10-13 14:01:11,589 INFO L87 Difference]: Start difference. First operand 62 states and 63 transitions. Second operand has 24 states, 22 states have (on average 2.5) internal successors, (55), 13 states have internal predecessors, (55), 10 states have call successors, (10), 10 states have call predecessors, (10), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 14:01:11,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 14:01:11,904 INFO L93 Difference]: Finished difference Result 154 states and 166 transitions. [2024-10-13 14:01:11,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-13 14:01:11,905 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 22 states have (on average 2.5) internal successors, (55), 13 states have internal predecessors, (55), 10 states have call successors, (10), 10 states have call predecessors, (10), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2024-10-13 14:01:11,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 14:01:11,906 INFO L225 Difference]: With dead ends: 154 [2024-10-13 14:01:11,906 INFO L226 Difference]: Without dead ends: 130 [2024-10-13 14:01:11,907 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=311, Invalid=811, Unknown=0, NotChecked=0, Total=1122 [2024-10-13 14:01:11,908 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 182 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 229 SdHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 14:01:11,908 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 229 Invalid, 223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 14:01:11,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2024-10-13 14:01:11,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 122. [2024-10-13 14:01:11,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 94 states have (on average 1.1170212765957446) internal successors, (105), 98 states have internal predecessors, (105), 12 states have call successors, (12), 11 states have call predecessors, (12), 11 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-13 14:01:11,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 129 transitions. [2024-10-13 14:01:11,925 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 129 transitions. Word has length 33 [2024-10-13 14:01:11,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 14:01:11,925 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 129 transitions. [2024-10-13 14:01:11,926 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 22 states have (on average 2.5) internal successors, (55), 13 states have internal predecessors, (55), 10 states have call successors, (10), 10 states have call predecessors, (10), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 14:01:11,926 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 129 transitions. [2024-10-13 14:01:11,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-10-13 14:01:11,927 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 14:01:11,927 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 1, 1, 1] [2024-10-13 14:01:11,944 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-13 14:01:12,127 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 14:01:12,128 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting sumErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 14:01:12,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 14:01:12,128 INFO L85 PathProgramCache]: Analyzing trace with hash -1729681720, now seen corresponding path program 2 times [2024-10-13 14:01:12,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 14:01:12,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584537335] [2024-10-13 14:01:12,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 14:01:12,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 14:01:12,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:01:12,292 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 14:01:12,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 14:01:12,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584537335] [2024-10-13 14:01:12,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584537335] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 14:01:12,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1888762897] [2024-10-13 14:01:12,293 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-13 14:01:12,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 14:01:12,293 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 14:01:12,295 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) [2024-10-13 14:01:12,299 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-13 14:01:12,338 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-13 14:01:12,338 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 14:01:12,339 INFO L255 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-13 14:01:12,341 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 14:01:12,425 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 14:01:12,425 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 14:01:12,620 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 14:01:12,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1888762897] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 14:01:12,621 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 14:01:12,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 25 [2024-10-13 14:01:12,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243629842] [2024-10-13 14:01:12,621 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 14:01:12,622 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-10-13 14:01:12,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 14:01:12,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-10-13 14:01:12,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=164, Invalid=538, Unknown=0, NotChecked=0, Total=702 [2024-10-13 14:01:12,623 INFO L87 Difference]: Start difference. First operand 122 states and 129 transitions. Second operand has 27 states, 23 states have (on average 3.0) internal successors, (69), 15 states have internal predecessors, (69), 12 states have call successors, (12), 11 states have call predecessors, (12), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 14:01:12,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 14:01:12,927 INFO L93 Difference]: Finished difference Result 125 states and 132 transitions. [2024-10-13 14:01:12,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-13 14:01:12,928 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 23 states have (on average 3.0) internal successors, (69), 15 states have internal predecessors, (69), 12 states have call successors, (12), 11 states have call predecessors, (12), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2024-10-13 14:01:12,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 14:01:12,929 INFO L225 Difference]: With dead ends: 125 [2024-10-13 14:01:12,929 INFO L226 Difference]: Without dead ends: 124 [2024-10-13 14:01:12,930 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 282 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=341, Invalid=991, Unknown=0, NotChecked=0, Total=1332 [2024-10-13 14:01:12,930 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 216 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 216 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 303 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 14:01:12,931 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 303 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 216 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 14:01:12,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2024-10-13 14:01:12,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 122. [2024-10-13 14:01:12,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 94 states have (on average 1.053191489361702) internal successors, (99), 98 states have internal predecessors, (99), 12 states have call successors, (12), 11 states have call predecessors, (12), 11 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-13 14:01:12,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 123 transitions. [2024-10-13 14:01:12,944 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 123 transitions. Word has length 36 [2024-10-13 14:01:12,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 14:01:12,945 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 123 transitions. [2024-10-13 14:01:12,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 23 states have (on average 3.0) internal successors, (69), 15 states have internal predecessors, (69), 12 states have call successors, (12), 11 states have call predecessors, (12), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 14:01:12,945 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 123 transitions. [2024-10-13 14:01:12,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-10-13 14:01:12,947 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 14:01:12,947 INFO L215 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1] [2024-10-13 14:01:12,963 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-13 14:01:13,147 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 14:01:13,148 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 14:01:13,148 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 14:01:13,148 INFO L85 PathProgramCache]: Analyzing trace with hash 1050877305, now seen corresponding path program 3 times [2024-10-13 14:01:13,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 14:01:13,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365975469] [2024-10-13 14:01:13,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 14:01:13,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 14:01:13,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:01:13,623 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 0 proven. 335 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 14:01:13,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 14:01:13,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365975469] [2024-10-13 14:01:13,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365975469] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 14:01:13,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [351115642] [2024-10-13 14:01:13,624 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-13 14:01:13,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 14:01:13,625 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 14:01:13,626 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) [2024-10-13 14:01:13,628 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-13 14:01:13,671 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-10-13 14:01:13,671 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 14:01:13,672 INFO L255 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-13 14:01:13,673 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 14:01:13,782 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2024-10-13 14:01:13,783 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 14:01:13,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [351115642] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 14:01:13,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 14:01:13,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [24] total 29 [2024-10-13 14:01:13,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406902180] [2024-10-13 14:01:13,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 14:01:13,784 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 14:01:13,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 14:01:13,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 14:01:13,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=177, Invalid=635, Unknown=0, NotChecked=0, Total=812 [2024-10-13 14:01:13,785 INFO L87 Difference]: Start difference. First operand 122 states and 123 transitions. Second operand has 6 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 14:01:13,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 14:01:13,902 INFO L93 Difference]: Finished difference Result 124 states and 126 transitions. [2024-10-13 14:01:13,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-13 14:01:13,903 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2024-10-13 14:01:13,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 14:01:13,904 INFO L225 Difference]: With dead ends: 124 [2024-10-13 14:01:13,904 INFO L226 Difference]: Without dead ends: 123 [2024-10-13 14:01:13,905 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 178 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=193, Invalid=799, Unknown=0, NotChecked=0, Total=992 [2024-10-13 14:01:13,906 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 28 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 14:01:13,906 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 49 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 14:01:13,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2024-10-13 14:01:13,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 121. [2024-10-13 14:01:13,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 94 states have (on average 1.0425531914893618) internal successors, (98), 97 states have internal predecessors, (98), 12 states have call successors, (12), 11 states have call predecessors, (12), 11 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-13 14:01:13,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 122 transitions. [2024-10-13 14:01:13,918 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 122 transitions. Word has length 75 [2024-10-13 14:01:13,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 14:01:13,919 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 122 transitions. [2024-10-13 14:01:13,919 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 14:01:13,919 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 122 transitions. [2024-10-13 14:01:13,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-10-13 14:01:13,921 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 14:01:13,921 INFO L215 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1] [2024-10-13 14:01:13,937 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-13 14:01:14,122 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 14:01:14,123 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting sumErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 14:01:14,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 14:01:14,123 INFO L85 PathProgramCache]: Analyzing trace with hash -1782541855, now seen corresponding path program 1 times [2024-10-13 14:01:14,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 14:01:14,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435716492] [2024-10-13 14:01:14,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 14:01:14,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 14:01:14,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:01:14,567 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 0 proven. 335 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 14:01:14,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 14:01:14,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435716492] [2024-10-13 14:01:14,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435716492] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 14:01:14,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1944307411] [2024-10-13 14:01:14,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 14:01:14,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 14:01:14,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 14:01:14,569 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) [2024-10-13 14:01:14,570 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-13 14:01:14,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:01:14,622 INFO L255 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-10-13 14:01:14,624 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 14:01:15,216 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 0 proven. 335 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 14:01:15,217 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 14:01:16,060 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 0 proven. 335 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 14:01:16,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1944307411] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 14:01:16,061 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 14:01:16,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 71 [2024-10-13 14:01:16,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776517431] [2024-10-13 14:01:16,061 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 14:01:16,062 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 72 states [2024-10-13 14:01:16,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 14:01:16,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2024-10-13 14:01:16,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=714, Invalid=4398, Unknown=0, NotChecked=0, Total=5112 [2024-10-13 14:01:16,066 INFO L87 Difference]: Start difference. First operand 121 states and 122 transitions. Second operand has 72 states, 69 states have (on average 2.7971014492753623) internal successors, (193), 38 states have internal predecessors, (193), 33 states have call successors, (33), 33 states have call predecessors, (33), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 14:01:17,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 14:01:17,484 INFO L93 Difference]: Finished difference Result 295 states and 320 transitions. [2024-10-13 14:01:17,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-10-13 14:01:17,485 INFO L78 Accepts]: Start accepts. Automaton has has 72 states, 69 states have (on average 2.7971014492753623) internal successors, (193), 38 states have internal predecessors, (193), 33 states have call successors, (33), 33 states have call predecessors, (33), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2024-10-13 14:01:17,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 14:01:17,487 INFO L225 Difference]: With dead ends: 295 [2024-10-13 14:01:17,487 INFO L226 Difference]: Without dead ends: 253 [2024-10-13 14:01:17,490 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2468 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=2028, Invalid=9102, Unknown=0, NotChecked=0, Total=11130 [2024-10-13 14:01:17,491 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 739 mSDsluCounter, 919 mSDsCounter, 0 mSdLazyCounter, 922 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 740 SdHoareTripleChecker+Valid, 973 SdHoareTripleChecker+Invalid, 994 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 922 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-13 14:01:17,492 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [740 Valid, 973 Invalid, 994 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 922 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-13 14:01:17,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2024-10-13 14:01:17,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 240. [2024-10-13 14:01:17,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 190 states have (on average 1.0736842105263158) internal successors, (204), 192 states have internal predecessors, (204), 24 states have call successors, (24), 23 states have call predecessors, (24), 23 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-10-13 14:01:17,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 252 transitions. [2024-10-13 14:01:17,520 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 252 transitions. Word has length 76 [2024-10-13 14:01:17,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 14:01:17,523 INFO L471 AbstractCegarLoop]: Abstraction has 240 states and 252 transitions. [2024-10-13 14:01:17,523 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 72 states, 69 states have (on average 2.7971014492753623) internal successors, (193), 38 states have internal predecessors, (193), 33 states have call successors, (33), 33 states have call predecessors, (33), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 14:01:17,523 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 252 transitions. [2024-10-13 14:01:17,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-10-13 14:01:17,524 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 14:01:17,524 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 11, 11, 1, 1, 1] [2024-10-13 14:01:17,545 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-13 14:01:17,724 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 14:01:17,725 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting sumErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 14:01:17,725 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 14:01:17,725 INFO L85 PathProgramCache]: Analyzing trace with hash 1234632269, now seen corresponding path program 3 times [2024-10-13 14:01:17,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 14:01:17,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019569238] [2024-10-13 14:01:17,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 14:01:17,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 14:01:17,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:01:18,205 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 0 proven. 451 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 14:01:18,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 14:01:18,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019569238] [2024-10-13 14:01:18,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019569238] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 14:01:18,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1644542139] [2024-10-13 14:01:18,206 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-13 14:01:18,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 14:01:18,206 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 14:01:18,208 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) [2024-10-13 14:01:18,209 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-13 14:01:18,265 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2024-10-13 14:01:18,266 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 14:01:18,267 INFO L255 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-10-13 14:01:18,269 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 14:01:18,432 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 0 proven. 451 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 14:01:18,432 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 14:01:18,999 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 0 proven. 451 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 14:01:18,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1644542139] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 14:01:18,999 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 14:01:18,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 25] total 53 [2024-10-13 14:01:19,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658663695] [2024-10-13 14:01:19,000 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 14:01:19,000 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2024-10-13 14:01:19,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 14:01:19,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2024-10-13 14:01:19,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=710, Invalid=2260, Unknown=0, NotChecked=0, Total=2970 [2024-10-13 14:01:19,002 INFO L87 Difference]: Start difference. First operand 240 states and 252 transitions. Second operand has 55 states, 51 states have (on average 3.0) internal successors, (153), 29 states have internal predecessors, (153), 26 states have call successors, (26), 25 states have call predecessors, (26), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 14:01:19,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 14:01:19,771 INFO L93 Difference]: Finished difference Result 273 states and 289 transitions. [2024-10-13 14:01:19,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-10-13 14:01:19,772 INFO L78 Accepts]: Start accepts. Automaton has has 55 states, 51 states have (on average 3.0) internal successors, (153), 29 states have internal predecessors, (153), 26 states have call successors, (26), 25 states have call predecessors, (26), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2024-10-13 14:01:19,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 14:01:19,774 INFO L225 Difference]: With dead ends: 273 [2024-10-13 14:01:19,775 INFO L226 Difference]: Without dead ends: 272 [2024-10-13 14:01:19,777 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1360 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1636, Invalid=4526, Unknown=0, NotChecked=0, Total=6162 [2024-10-13 14:01:19,778 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 562 mSDsluCounter, 553 mSDsCounter, 0 mSdLazyCounter, 461 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 564 SdHoareTripleChecker+Valid, 606 SdHoareTripleChecker+Invalid, 514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 461 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 14:01:19,779 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [564 Valid, 606 Invalid, 514 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 461 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 14:01:19,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2024-10-13 14:01:19,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 264. [2024-10-13 14:01:19,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 210 states have (on average 1.0333333333333334) internal successors, (217), 212 states have internal predecessors, (217), 26 states have call successors, (26), 25 states have call predecessors, (26), 25 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-10-13 14:01:19,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 269 transitions. [2024-10-13 14:01:19,800 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 269 transitions. Word has length 85 [2024-10-13 14:01:19,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 14:01:19,802 INFO L471 AbstractCegarLoop]: Abstraction has 264 states and 269 transitions. [2024-10-13 14:01:19,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 51 states have (on average 3.0) internal successors, (153), 29 states have internal predecessors, (153), 26 states have call successors, (26), 25 states have call predecessors, (26), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 14:01:19,802 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 269 transitions. [2024-10-13 14:01:19,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-10-13 14:01:19,807 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 14:01:19,807 INFO L215 NwaCegarLoop]: trace histogram [23, 22, 22, 22, 22, 22, 22, 1, 1, 1, 1, 1] [2024-10-13 14:01:19,827 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-10-13 14:01:20,008 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,SelfDestructingSolverStorable10 [2024-10-13 14:01:20,008 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting sumErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 14:01:20,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 14:01:20,009 INFO L85 PathProgramCache]: Analyzing trace with hash 754549793, now seen corresponding path program 2 times [2024-10-13 14:01:20,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 14:01:20,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812716089] [2024-10-13 14:01:20,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 14:01:20,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 14:01:20,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:01:21,333 INFO L134 CoverageAnalysis]: Checked inductivity of 1661 backedges. 0 proven. 1661 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 14:01:21,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 14:01:21,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812716089] [2024-10-13 14:01:21,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812716089] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 14:01:21,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [777487280] [2024-10-13 14:01:21,334 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-13 14:01:21,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 14:01:21,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 14:01:21,336 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) [2024-10-13 14:01:21,337 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-13 14:01:21,405 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-13 14:01:21,405 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 14:01:21,413 INFO L255 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-10-13 14:01:21,421 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 14:01:22,997 INFO L134 CoverageAnalysis]: Checked inductivity of 1661 backedges. 0 proven. 1661 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 14:01:22,997 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 14:01:24,656 INFO L134 CoverageAnalysis]: Checked inductivity of 1661 backedges. 0 proven. 1661 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 14:01:24,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [777487280] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 14:01:24,657 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 14:01:24,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 48, 48] total 101 [2024-10-13 14:01:24,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454332226] [2024-10-13 14:01:24,657 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 14:01:24,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 102 states [2024-10-13 14:01:24,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 14:01:24,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 102 interpolants. [2024-10-13 14:01:24,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1308, Invalid=8994, Unknown=0, NotChecked=0, Total=10302 [2024-10-13 14:01:24,663 INFO L87 Difference]: Start difference. First operand 264 states and 269 transitions. Second operand has 102 states, 99 states have (on average 2.909090909090909) internal successors, (288), 53 states have internal predecessors, (288), 49 states have call successors, (49), 48 states have call predecessors, (49), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 14:01:26,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 14:01:26,826 INFO L93 Difference]: Finished difference Result 358 states and 364 transitions. [2024-10-13 14:01:26,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-10-13 14:01:26,835 INFO L78 Accepts]: Start accepts. Automaton has has 102 states, 99 states have (on average 2.909090909090909) internal successors, (288), 53 states have internal predecessors, (288), 49 states have call successors, (49), 48 states have call predecessors, (49), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 160 [2024-10-13 14:01:26,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 14:01:26,837 INFO L225 Difference]: With dead ends: 358 [2024-10-13 14:01:26,837 INFO L226 Difference]: Without dead ends: 273 [2024-10-13 14:01:26,842 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 415 GetRequests, 224 SyntacticMatches, 42 SemanticMatches, 149 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8234 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=4038, Invalid=18612, Unknown=0, NotChecked=0, Total=22650 [2024-10-13 14:01:26,842 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 1049 mSDsluCounter, 967 mSDsCounter, 0 mSdLazyCounter, 1220 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1050 SdHoareTripleChecker+Valid, 1027 SdHoareTripleChecker+Invalid, 1319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 1220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-13 14:01:26,842 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1050 Valid, 1027 Invalid, 1319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 1220 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-13 14:01:26,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2024-10-13 14:01:26,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 270. [2024-10-13 14:01:26,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 214 states have (on average 1.0186915887850467) internal successors, (218), 216 states have internal predecessors, (218), 27 states have call successors, (27), 26 states have call predecessors, (27), 26 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-10-13 14:01:26,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 272 transitions. [2024-10-13 14:01:26,862 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 272 transitions. Word has length 160 [2024-10-13 14:01:26,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 14:01:26,863 INFO L471 AbstractCegarLoop]: Abstraction has 270 states and 272 transitions. [2024-10-13 14:01:26,863 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 102 states, 99 states have (on average 2.909090909090909) internal successors, (288), 53 states have internal predecessors, (288), 49 states have call successors, (49), 48 states have call predecessors, (49), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 14:01:26,863 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 272 transitions. [2024-10-13 14:01:26,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-10-13 14:01:26,867 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 14:01:26,867 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 25, 25, 24, 24, 1, 1, 1] [2024-10-13 14:01:26,881 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-10-13 14:01:27,067 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 14:01:27,067 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting sumErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 14:01:27,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 14:01:27,068 INFO L85 PathProgramCache]: Analyzing trace with hash -528459128, now seen corresponding path program 4 times [2024-10-13 14:01:27,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 14:01:27,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205675228] [2024-10-13 14:01:27,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 14:01:27,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 14:01:27,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:01:28,345 INFO L134 CoverageAnalysis]: Checked inductivity of 2076 backedges. 0 proven. 2076 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 14:01:28,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 14:01:28,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205675228] [2024-10-13 14:01:28,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1205675228] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 14:01:28,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1025140962] [2024-10-13 14:01:28,345 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-13 14:01:28,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 14:01:28,345 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 14:01:28,346 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) [2024-10-13 14:01:28,347 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-13 14:01:28,421 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-13 14:01:28,421 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 14:01:28,423 INFO L255 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 52 conjuncts are in the unsatisfiable core [2024-10-13 14:01:28,427 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 14:01:28,685 INFO L134 CoverageAnalysis]: Checked inductivity of 2076 backedges. 0 proven. 2076 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 14:01:28,685 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 14:01:30,613 INFO L134 CoverageAnalysis]: Checked inductivity of 2076 backedges. 0 proven. 2076 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 14:01:30,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1025140962] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 14:01:30,614 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 14:01:30,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51, 51, 51] total 105 [2024-10-13 14:01:30,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716636264] [2024-10-13 14:01:30,614 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 14:01:30,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 107 states [2024-10-13 14:01:30,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 14:01:30,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 107 interpolants. [2024-10-13 14:01:30,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2764, Invalid=8578, Unknown=0, NotChecked=0, Total=11342 [2024-10-13 14:01:30,619 INFO L87 Difference]: Start difference. First operand 270 states and 272 transitions. Second operand has 107 states, 103 states have (on average 3.0) internal successors, (309), 55 states have internal predecessors, (309), 52 states have call successors, (52), 51 states have call predecessors, (52), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 14:01:32,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 14:01:32,930 INFO L93 Difference]: Finished difference Result 648 states and 700 transitions. [2024-10-13 14:01:32,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2024-10-13 14:01:32,941 INFO L78 Accepts]: Start accepts. Automaton has has 107 states, 103 states have (on average 3.0) internal successors, (309), 55 states have internal predecessors, (309), 52 states have call successors, (52), 51 states have call predecessors, (52), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 176 [2024-10-13 14:01:32,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 14:01:32,944 INFO L225 Difference]: With dead ends: 648 [2024-10-13 14:01:32,944 INFO L226 Difference]: Without dead ends: 647 [2024-10-13 14:01:32,946 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 451 GetRequests, 296 SyntacticMatches, 0 SemanticMatches, 155 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5442 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=6641, Invalid=17851, Unknown=0, NotChecked=0, Total=24492 [2024-10-13 14:01:32,946 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 1626 mSDsluCounter, 881 mSDsCounter, 0 mSdLazyCounter, 846 mSolverCounterSat, 184 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1628 SdHoareTripleChecker+Valid, 940 SdHoareTripleChecker+Invalid, 1030 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 184 IncrementalHoareTripleChecker+Valid, 846 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-13 14:01:32,946 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1628 Valid, 940 Invalid, 1030 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [184 Valid, 846 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-13 14:01:32,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 647 states. [2024-10-13 14:01:32,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 647 to 570. [2024-10-13 14:01:32,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 570 states, 464 states have (on average 1.1142241379310345) internal successors, (517), 466 states have internal predecessors, (517), 52 states have call successors, (52), 51 states have call predecessors, (52), 51 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-10-13 14:01:32,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 570 states and 621 transitions. [2024-10-13 14:01:32,996 INFO L78 Accepts]: Start accepts. Automaton has 570 states and 621 transitions. Word has length 176 [2024-10-13 14:01:32,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 14:01:32,997 INFO L471 AbstractCegarLoop]: Abstraction has 570 states and 621 transitions. [2024-10-13 14:01:32,997 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 107 states, 103 states have (on average 3.0) internal successors, (309), 55 states have internal predecessors, (309), 52 states have call successors, (52), 51 states have call predecessors, (52), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 14:01:32,997 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 621 transitions. [2024-10-13 14:01:32,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-10-13 14:01:32,999 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 14:01:32,999 INFO L215 NwaCegarLoop]: trace histogram [26, 25, 25, 25, 25, 25, 25, 1, 1, 1, 1, 1] [2024-10-13 14:01:33,016 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-10-13 14:01:33,204 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,SelfDestructingSolverStorable12 [2024-10-13 14:01:33,205 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting sumErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 14:01:33,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 14:01:33,205 INFO L85 PathProgramCache]: Analyzing trace with hash -271077658, now seen corresponding path program 3 times [2024-10-13 14:01:33,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 14:01:33,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939480244] [2024-10-13 14:01:33,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 14:01:33,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 14:01:33,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:01:34,615 INFO L134 CoverageAnalysis]: Checked inductivity of 2150 backedges. 0 proven. 2150 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 14:01:34,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 14:01:34,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939480244] [2024-10-13 14:01:34,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [939480244] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 14:01:34,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1962967614] [2024-10-13 14:01:34,616 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-13 14:01:34,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 14:01:34,617 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 14:01:34,618 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) [2024-10-13 14:01:34,630 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-13 14:01:34,663 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-10-13 14:01:34,664 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 14:01:34,664 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 14:01:34,666 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 14:01:34,786 INFO L134 CoverageAnalysis]: Checked inductivity of 2150 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 2076 trivial. 0 not checked. [2024-10-13 14:01:34,786 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 14:01:34,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1962967614] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 14:01:34,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 14:01:34,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [54] total 59 [2024-10-13 14:01:34,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448802867] [2024-10-13 14:01:34,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 14:01:34,787 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 14:01:34,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 14:01:34,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 14:01:34,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=847, Invalid=2693, Unknown=0, NotChecked=0, Total=3540 [2024-10-13 14:01:34,788 INFO L87 Difference]: Start difference. First operand 570 states and 621 transitions. Second operand has 6 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 14:01:34,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 14:01:34,921 INFO L93 Difference]: Finished difference Result 622 states and 674 transitions. [2024-10-13 14:01:34,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 14:01:34,922 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 181 [2024-10-13 14:01:34,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 14:01:34,926 INFO L225 Difference]: With dead ends: 622 [2024-10-13 14:01:34,926 INFO L226 Difference]: Without dead ends: 621 [2024-10-13 14:01:34,927 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 806 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=863, Invalid=3043, Unknown=0, NotChecked=0, Total=3906 [2024-10-13 14:01:34,930 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 20 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 14:01:34,930 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 64 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 14:01:34,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 621 states. [2024-10-13 14:01:34,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 621 to 569. [2024-10-13 14:01:34,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 569 states, 464 states have (on average 1.0581896551724137) internal successors, (491), 465 states have internal predecessors, (491), 52 states have call successors, (52), 51 states have call predecessors, (52), 51 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-10-13 14:01:34,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 569 states and 595 transitions. [2024-10-13 14:01:34,967 INFO L78 Accepts]: Start accepts. Automaton has 569 states and 595 transitions. Word has length 181 [2024-10-13 14:01:34,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 14:01:34,968 INFO L471 AbstractCegarLoop]: Abstraction has 569 states and 595 transitions. [2024-10-13 14:01:34,968 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 14:01:34,968 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 595 transitions. [2024-10-13 14:01:34,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2024-10-13 14:01:34,971 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 14:01:34,971 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 25, 25, 25, 25, 25, 25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 14:01:34,983 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-10-13 14:01:35,171 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,SelfDestructingSolverStorable13 [2024-10-13 14:01:35,171 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 14:01:35,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 14:01:35,172 INFO L85 PathProgramCache]: Analyzing trace with hash -249705433, now seen corresponding path program 1 times [2024-10-13 14:01:35,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 14:01:35,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354844925] [2024-10-13 14:01:35,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 14:01:35,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 14:01:35,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:01:35,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 14:01:35,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:01:35,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-13 14:01:35,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:01:35,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-13 14:01:35,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:01:35,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-13 14:01:35,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:01:35,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-13 14:01:35,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:01:35,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-13 14:01:35,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:01:35,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-13 14:01:35,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:01:35,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-13 14:01:35,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:01:35,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-13 14:01:35,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:01:35,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-13 14:01:35,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:01:35,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-13 14:01:35,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:01:35,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-13 14:01:35,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:01:35,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-13 14:01:35,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:01:35,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-13 14:01:35,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:01:35,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-13 14:01:35,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:01:35,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-13 14:01:35,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:01:35,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-13 14:01:35,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:01:35,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-13 14:01:35,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:01:35,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-13 14:01:35,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:01:35,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-13 14:01:35,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:01:35,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-13 14:01:35,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:01:35,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-13 14:01:35,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:01:35,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-13 14:01:35,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:01:35,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-13 14:01:35,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:01:35,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-13 14:01:35,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:01:35,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-13 14:01:35,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:01:35,829 INFO L134 CoverageAnalysis]: Checked inductivity of 3100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3100 trivial. 0 not checked. [2024-10-13 14:01:35,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 14:01:35,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354844925] [2024-10-13 14:01:35,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1354844925] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 14:01:35,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 14:01:35,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 14:01:35,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297856543] [2024-10-13 14:01:35,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 14:01:35,834 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 14:01:35,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 14:01:35,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 14:01:35,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 14:01:35,835 INFO L87 Difference]: Start difference. First operand 569 states and 595 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-13 14:01:35,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 14:01:35,866 INFO L93 Difference]: Finished difference Result 569 states and 595 transitions. [2024-10-13 14:01:35,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 14:01:35,867 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 261 [2024-10-13 14:01:35,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 14:01:35,869 INFO L225 Difference]: With dead ends: 569 [2024-10-13 14:01:35,869 INFO L226 Difference]: Without dead ends: 360 [2024-10-13 14:01:35,871 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 14:01:35,871 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 0 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 14:01:35,872 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 32 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 14:01:35,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2024-10-13 14:01:35,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 359. [2024-10-13 14:01:35,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 359 states, 307 states have (on average 1.003257328990228) internal successors, (308), 307 states have internal predecessors, (308), 51 states have call successors, (51), 51 states have call predecessors, (51), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 14:01:35,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 359 transitions. [2024-10-13 14:01:35,890 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 359 transitions. Word has length 261 [2024-10-13 14:01:35,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 14:01:35,891 INFO L471 AbstractCegarLoop]: Abstraction has 359 states and 359 transitions. [2024-10-13 14:01:35,891 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-13 14:01:35,892 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 359 transitions. [2024-10-13 14:01:35,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2024-10-13 14:01:35,895 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 14:01:35,895 INFO L215 NwaCegarLoop]: trace histogram [51, 51, 51, 51, 51, 50, 50, 1, 1, 1] [2024-10-13 14:01:35,895 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-13 14:01:35,895 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting sumErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 14:01:35,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 14:01:35,896 INFO L85 PathProgramCache]: Analyzing trace with hash 2143411048, now seen corresponding path program 5 times [2024-10-13 14:01:35,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 14:01:35,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842648734] [2024-10-13 14:01:35,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 14:01:35,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 14:01:35,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:01:37,665 INFO L134 CoverageAnalysis]: Checked inductivity of 8875 backedges. 6675 proven. 0 refuted. 0 times theorem prover too weak. 2200 trivial. 0 not checked. [2024-10-13 14:01:37,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 14:01:37,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842648734] [2024-10-13 14:01:37,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842648734] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 14:01:37,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 14:01:37,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [54] imperfect sequences [] total 54 [2024-10-13 14:01:37,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817488630] [2024-10-13 14:01:37,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 14:01:37,666 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2024-10-13 14:01:37,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 14:01:37,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2024-10-13 14:01:37,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=757, Invalid=2213, Unknown=0, NotChecked=0, Total=2970 [2024-10-13 14:01:37,668 INFO L87 Difference]: Start difference. First operand 359 states and 359 transitions. Second operand has 55 states, 54 states have (on average 2.962962962962963) internal successors, (160), 28 states have internal predecessors, (160), 27 states have call successors, (27), 27 states have call predecessors, (27), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 14:01:38,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 14:01:38,402 INFO L93 Difference]: Finished difference Result 359 states and 359 transitions. [2024-10-13 14:01:38,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-10-13 14:01:38,403 INFO L78 Accepts]: Start accepts. Automaton has has 55 states, 54 states have (on average 2.962962962962963) internal successors, (160), 28 states have internal predecessors, (160), 27 states have call successors, (27), 27 states have call predecessors, (27), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 358 [2024-10-13 14:01:38,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 14:01:38,404 INFO L225 Difference]: With dead ends: 359 [2024-10-13 14:01:38,404 INFO L226 Difference]: Without dead ends: 0 [2024-10-13 14:01:38,405 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1225 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=1836, Invalid=4644, Unknown=0, NotChecked=0, Total=6480 [2024-10-13 14:01:38,406 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 151 mSDsluCounter, 428 mSDsCounter, 0 mSdLazyCounter, 1178 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 504 SdHoareTripleChecker+Invalid, 1178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-13 14:01:38,406 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 504 Invalid, 1178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1178 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-13 14:01:38,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-13 14:01:38,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-13 14:01:38,407 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) [2024-10-13 14:01:38,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-13 14:01:38,407 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 358 [2024-10-13 14:01:38,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 14:01:38,407 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-13 14:01:38,408 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 54 states have (on average 2.962962962962963) internal successors, (160), 28 states have internal predecessors, (160), 27 states have call successors, (27), 27 states have call predecessors, (27), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 14:01:38,408 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-13 14:01:38,408 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-13 14:01:38,410 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2024-10-13 14:01:38,411 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2024-10-13 14:01:38,411 INFO L782 garLoopResultBuilder]: Registering result SAFE for location sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2024-10-13 14:01:38,411 INFO L782 garLoopResultBuilder]: Registering result SAFE for location sumErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2024-10-13 14:01:38,411 INFO L782 garLoopResultBuilder]: Registering result SAFE for location sumErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2024-10-13 14:01:38,411 INFO L782 garLoopResultBuilder]: Registering result SAFE for location sumErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2024-10-13 14:01:38,411 INFO L782 garLoopResultBuilder]: Registering result SAFE for location sumErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2024-10-13 14:01:38,411 INFO L782 garLoopResultBuilder]: Registering result SAFE for location sumErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2024-10-13 14:01:38,412 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-13 14:01:38,415 INFO L407 BasicCegarLoop]: Path program histogram: [5, 3, 3, 1, 1, 1, 1, 1] [2024-10-13 14:01:38,417 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-13 14:01:52,876 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-13 14:01:53,112 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-10-13 14:01:53,115 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 02:01:53 BoogieIcfgContainer [2024-10-13 14:01:53,115 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-13 14:01:53,116 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 14:01:53,116 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 14:01:53,116 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 14:01:53,120 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 02:01:08" (3/4) ... [2024-10-13 14:01:53,123 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-13 14:01:53,127 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure sum [2024-10-13 14:01:53,130 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-10-13 14:01:53,130 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-13 14:01:53,131 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-13 14:01:53,131 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-13 14:01:53,217 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-13 14:01:53,218 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-13 14:01:53,218 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 14:01:53,219 INFO L158 Benchmark]: Toolchain (without parser) took 45751.89ms. Allocated memory was 155.2MB in the beginning and 813.7MB in the end (delta: 658.5MB). Free memory was 101.9MB in the beginning and 337.8MB in the end (delta: -235.9MB). Peak memory consumption was 421.4MB. Max. memory is 16.1GB. [2024-10-13 14:01:53,219 INFO L158 Benchmark]: CDTParser took 1.18ms. Allocated memory is still 94.4MB. Free memory is still 56.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 14:01:53,220 INFO L158 Benchmark]: CACSL2BoogieTranslator took 257.70ms. Allocated memory is still 155.2MB. Free memory was 101.9MB in the beginning and 90.4MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-13 14:01:53,221 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.38ms. Allocated memory is still 155.2MB. Free memory was 90.4MB in the beginning and 88.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 14:01:53,221 INFO L158 Benchmark]: Boogie Preprocessor took 30.96ms. Allocated memory is still 155.2MB. Free memory was 88.9MB in the beginning and 87.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 14:01:53,221 INFO L158 Benchmark]: RCFGBuilder took 324.15ms. Allocated memory is still 155.2MB. Free memory was 87.2MB in the beginning and 121.2MB in the end (delta: -34.0MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. [2024-10-13 14:01:53,221 INFO L158 Benchmark]: TraceAbstraction took 44996.17ms. Allocated memory was 155.2MB in the beginning and 813.7MB in the end (delta: 658.5MB). Free memory was 120.5MB in the beginning and 342.0MB in the end (delta: -221.5MB). Peak memory consumption was 486.0MB. Max. memory is 16.1GB. [2024-10-13 14:01:53,222 INFO L158 Benchmark]: Witness Printer took 102.50ms. Allocated memory is still 813.7MB. Free memory was 342.0MB in the beginning and 337.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-13 14:01:53,224 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.18ms. Allocated memory is still 94.4MB. Free memory is still 56.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 257.70ms. Allocated memory is still 155.2MB. Free memory was 101.9MB in the beginning and 90.4MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.38ms. Allocated memory is still 155.2MB. Free memory was 90.4MB in the beginning and 88.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.96ms. Allocated memory is still 155.2MB. Free memory was 88.9MB in the beginning and 87.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 324.15ms. Allocated memory is still 155.2MB. Free memory was 87.2MB in the beginning and 121.2MB in the end (delta: -34.0MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. * TraceAbstraction took 44996.17ms. Allocated memory was 155.2MB in the beginning and 813.7MB in the end (delta: 658.5MB). Free memory was 120.5MB in the beginning and 342.0MB in the end (delta: -221.5MB). Peak memory consumption was 486.0MB. Max. memory is 16.1GB. * Witness Printer took 102.50ms. Allocated memory is still 813.7MB. Free memory was 342.0MB in the beginning and 337.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression * 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: 17]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 17]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 7]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 7]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 9]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 9]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 9]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 9]: 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 2 procedures, 28 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 30.2s, OverallIterations: 16, TraceHistogramMax: 51, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 9.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4863 SdHoareTripleChecker+Valid, 3.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4843 mSDsluCounter, 5126 SdHoareTripleChecker+Invalid, 2.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4597 mSDsCounter, 501 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5487 IncrementalHoareTripleChecker+Invalid, 5988 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 501 mSolverCounterUnsat, 529 mSDtfsCounter, 5487 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2044 GetRequests, 1227 SyntacticMatches, 42 SemanticMatches, 775 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20261 ImplicationChecksByTransitivity, 15.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=570occurred in iteration=13, InterpolantAutomatonStates: 423, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 16 MinimizatonAttempts, 183 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 17.3s InterpolantComputationTime, 2363 NumberOfCodeBlocks, 2132 NumberOfCodeBlocksAsserted, 44 NumberOfCheckSat, 2921 ConstructedInterpolants, 0 QuantifiedInterpolants, 7447 SizeOfPredicates, 89 NumberOfNonLiveVariables, 1624 ConjunctsInSsa, 202 ConjunctsInUnsatCore, 35 InterpolantComputations, 8 PerfectInterpolantSequences, 14465/30896 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 8 specifications checked. All of them hold - ProcedureContractResult [Line: 5]: Procedure Contract for sum Derived contract for procedure sum. Requires: (((((((((((((((((((((((((((((m <= 15) && (n <= 10)) && (0 <= (m + 2147483648))) && (7 <= n)) || (((m <= 7) && (18 == n)) && (0 <= (m + 2147483648)))) || ((((n <= 9) && (m <= 16)) && (0 <= (m + 2147483648))) && (6 <= n))) || ((((0 <= n) && (0 <= (m + 2147483648))) && (m <= 10)) && (n <= 15))) || (((7 == n) && (0 <= (m + 2147483648))) && (m <= 18))) || ((((1 <= n) && (0 <= (m + 2147483648))) && (n <= 16)) && (m <= 9))) || (((0 <= (m + 2147483648)) && (n == 1)) && (m <= 24))) || (((n == 0) && (0 <= (m + 2147483648))) && (m <= 2147483622))) || (((5 == n) && (0 <= (m + 2147483648))) && (m <= 20))) || (((20 == n) && (0 <= (m + 2147483648))) && (m <= 5))) || (((m <= 6) && (0 <= (m + 2147483648))) && (19 == n))) || ((((0 <= n) && (0 <= (m + 2147483648))) && (n <= 3)) && (m <= 22))) || (((m <= 8) && (n == 17)) && (0 <= (m + 2147483648)))) || ((((9 <= n) && (n <= 12)) && (0 <= (m + 2147483648))) && (m <= 13))) || ((n == 25) && (m == 0))) || (((m <= 12) && (0 <= (m + 2147483648))) && (n == 13))) || (((0 <= (m + 2147483648)) && (m <= 17)) && (8 == n))) || (((0 <= (m + 2147483648)) && (n == 24)) && (m <= 1))) || (((0 <= (m + 2147483648)) && (14 == n)) && (m <= 11))) || ((((m <= 4) && (0 <= n)) && (0 <= (m + 2147483648))) && (n <= 21))) || ((((1 <= n) && (0 <= (m + 2147483648))) && (n <= 4)) && (m <= 21))) || ((((3 <= n) && (0 <= (m + 2147483648))) && (n <= 6)) && (m <= 19))) || (((2 == n) && (0 <= (m + 2147483648))) && (m <= 23))) || ((((m <= 14) && (n <= 11)) && (0 <= (m + 2147483648))) && (8 <= n))) || ((((0 <= (m + 2147483648)) && (m <= 2)) && (n <= 23)) && (2 <= n))) || ((((1 <= n) && (m <= 3)) && (0 <= (m + 2147483648))) && (n <= 22))) Ensures: (((((((((((((((((((((((((((((m <= 15) && (n <= 10)) && (0 <= (m + 2147483648))) && (7 <= n)) || (((m <= 7) && (18 == n)) && (0 <= (m + 2147483648)))) || ((((n <= 9) && (m <= 16)) && (0 <= (m + 2147483648))) && (6 <= n))) || ((((0 <= n) && (0 <= (m + 2147483648))) && (m <= 10)) && (n <= 15))) || (((7 == n) && (0 <= (m + 2147483648))) && (m <= 18))) || ((((1 <= n) && (0 <= (m + 2147483648))) && (n <= 16)) && (m <= 9))) || (((0 <= (m + 2147483648)) && (n == 1)) && (m <= 24))) || (((n == 0) && (0 <= (m + 2147483648))) && (m <= 2147483622))) || (((5 == n) && (0 <= (m + 2147483648))) && (m <= 20))) || (((20 == n) && (0 <= (m + 2147483648))) && (m <= 5))) || (((m <= 6) && (0 <= (m + 2147483648))) && (19 == n))) || ((((0 <= n) && (0 <= (m + 2147483648))) && (n <= 3)) && (m <= 22))) || (((m <= 8) && (n == 17)) && (0 <= (m + 2147483648)))) || ((((9 <= n) && (n <= 12)) && (0 <= (m + 2147483648))) && (m <= 13))) || ((n == 25) && (m == 0))) || (((m <= 12) && (0 <= (m + 2147483648))) && (n == 13))) || (((0 <= (m + 2147483648)) && (m <= 17)) && (8 == n))) || (((0 <= (m + 2147483648)) && (n == 24)) && (m <= 1))) || (((0 <= (m + 2147483648)) && (14 == n)) && (m <= 11))) || ((((m <= 4) && (0 <= n)) && (0 <= (m + 2147483648))) && (n <= 21))) || ((((1 <= n) && (0 <= (m + 2147483648))) && (n <= 4)) && (m <= 21))) || ((((3 <= n) && (0 <= (m + 2147483648))) && (n <= 6)) && (m <= 19))) || (((2 == n) && (0 <= (m + 2147483648))) && (m <= 23))) || ((((m <= 14) && (n <= 11)) && (0 <= (m + 2147483648))) && (8 <= n))) || ((((0 <= (m + 2147483648)) && (m <= 2)) && (n <= 23)) && (2 <= n))) || ((((1 <= n) && (m <= 3)) && (0 <= (m + 2147483648))) && (n <= 22))) RESULT: Ultimate proved your program to be correct! [2024-10-13 14:01:53,254 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