./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/recursive-simple/sum_25x0-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/recursive-simple/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.fs.icfgbuilder-eval-3289d67-m [2024-11-17 04:58:58,172 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 04:58:58,250 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-17 04:58:58,254 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 04:58:58,255 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 04:58:58,280 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 04:58:58,281 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 04:58:58,282 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 04:58:58,282 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 04:58:58,283 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 04:58:58,284 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 04:58:58,285 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 04:58:58,285 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 04:58:58,286 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 04:58:58,287 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 04:58:58,288 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 04:58:58,288 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 04:58:58,288 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 04:58:58,288 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 04:58:58,289 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 04:58:58,289 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 04:58:58,293 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 04:58:58,293 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 04:58:58,293 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 04:58:58,294 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 04:58:58,294 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 04:58:58,294 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 04:58:58,294 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 04:58:58,295 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 04:58:58,295 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 04:58:58,295 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 04:58:58,295 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 04:58:58,295 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 04:58:58,296 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 04:58:58,296 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 04:58:58,296 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 04:58:58,296 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 04:58:58,297 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 04:58:58,297 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 04:58:58,297 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 04:58:58,297 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 04:58:58,298 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 04:58:58,298 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 04:58:58,298 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 04:58:58,298 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0189dbb29c824fc5d22409df9775c70fa543bd61c2bf554681db703f0a461966 [2024-11-17 04:58:58,555 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 04:58:58,581 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 04:58:58,585 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 04:58:58,586 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 04:58:58,587 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 04:58:58,588 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/sum_25x0-2.c [2024-11-17 04:59:00,001 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 04:59:00,180 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 04:59:00,181 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/sum_25x0-2.c [2024-11-17 04:59:00,192 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af8ce1f82/0ca8823b298d401aa64dfbcccd8013e6/FLAG81dbbe939 [2024-11-17 04:59:00,568 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af8ce1f82/0ca8823b298d401aa64dfbcccd8013e6 [2024-11-17 04:59:00,570 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 04:59:00,571 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 04:59:00,573 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 04:59:00,573 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 04:59:00,579 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 04:59:00,579 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 04:59:00" (1/1) ... [2024-11-17 04:59:00,580 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c458e3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:59:00, skipping insertion in model container [2024-11-17 04:59:00,580 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 04:59:00" (1/1) ... [2024-11-17 04:59:00,599 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 04:59:00,769 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 04:59:00,783 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 04:59:00,795 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 04:59:00,810 INFO L204 MainTranslator]: Completed translation [2024-11-17 04:59:00,810 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:59:00 WrapperNode [2024-11-17 04:59:00,810 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 04:59:00,811 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 04:59:00,812 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 04:59:00,812 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 04:59:00,818 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:59:00" (1/1) ... [2024-11-17 04:59:00,824 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:59:00" (1/1) ... [2024-11-17 04:59:00,836 INFO L138 Inliner]: procedures = 12, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 22 [2024-11-17 04:59:00,836 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 04:59:00,837 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 04:59:00,837 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 04:59:00,837 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 04:59:00,844 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:59:00" (1/1) ... [2024-11-17 04:59:00,844 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:59:00" (1/1) ... [2024-11-17 04:59:00,845 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:59:00" (1/1) ... [2024-11-17 04:59:00,854 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-17 04:59:00,854 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:59:00" (1/1) ... [2024-11-17 04:59:00,855 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:59:00" (1/1) ... [2024-11-17 04:59:00,857 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:59:00" (1/1) ... [2024-11-17 04:59:00,857 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:59:00" (1/1) ... [2024-11-17 04:59:00,858 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:59:00" (1/1) ... [2024-11-17 04:59:00,858 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:59:00" (1/1) ... [2024-11-17 04:59:00,862 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 04:59:00,863 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 04:59:00,863 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 04:59:00,863 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 04:59:00,864 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:59:00" (1/1) ... [2024-11-17 04:59:00,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 04:59:00,883 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:59:00,899 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-17 04:59:00,902 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-17 04:59:00,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 04:59:00,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 04:59:00,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 04:59:00,949 INFO L130 BoogieDeclarations]: Found specification of procedure sum [2024-11-17 04:59:00,949 INFO L138 BoogieDeclarations]: Found implementation of procedure sum [2024-11-17 04:59:00,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 04:59:01,014 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 04:59:01,016 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 04:59:01,119 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L9: havoc #t~ret4; [2024-11-17 04:59:01,134 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-17 04:59:01,134 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 04:59:01,148 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 04:59:01,148 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 04:59:01,148 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 04:59:01 BoogieIcfgContainer [2024-11-17 04:59:01,149 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 04:59:01,151 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 04:59:01,151 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 04:59:01,154 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 04:59:01,154 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 04:59:00" (1/3) ... [2024-11-17 04:59:01,155 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e37a33f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 04:59:01, skipping insertion in model container [2024-11-17 04:59:01,155 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:59:00" (2/3) ... [2024-11-17 04:59:01,156 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e37a33f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 04:59:01, skipping insertion in model container [2024-11-17 04:59:01,156 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 04:59:01" (3/3) ... [2024-11-17 04:59:01,157 INFO L112 eAbstractionObserver]: Analyzing ICFG sum_25x0-2.c [2024-11-17 04:59:01,173 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 04:59:01,174 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-11-17 04:59:01,224 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 04:59:01,230 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;@6c1fdfaf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 04:59:01,230 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-17 04:59:01,234 INFO L276 IsEmpty]: Start isEmpty. Operand has 33 states, 21 states have (on average 1.4761904761904763) internal successors, (31), 29 states have internal predecessors, (31), 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) [2024-11-17 04:59:01,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-17 04:59:01,240 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:59:01,241 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-17 04:59:01,241 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting sumErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-17 04:59:01,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:59:01,246 INFO L85 PathProgramCache]: Analyzing trace with hash 1242256818, now seen corresponding path program 1 times [2024-11-17 04:59:01,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:59:01,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719336921] [2024-11-17 04:59:01,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:59:01,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:59:01,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:59:01,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:59:01,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:59:01,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719336921] [2024-11-17 04:59:01,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719336921] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:59:01,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:59:01,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 04:59:01,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607416399] [2024-11-17 04:59:01,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:59:01,516 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:59:01,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:59:01,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:59:01,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:59:01,535 INFO L87 Difference]: Start difference. First operand has 33 states, 21 states have (on average 1.4761904761904763) internal successors, (31), 29 states have internal predecessors, (31), 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 1.25) internal successors, (5), 4 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) [2024-11-17 04:59:01,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:59:01,667 INFO L93 Difference]: Finished difference Result 64 states and 67 transitions. [2024-11-17 04:59:01,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:59:01,671 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 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 [2024-11-17 04:59:01,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:59:01,677 INFO L225 Difference]: With dead ends: 64 [2024-11-17 04:59:01,678 INFO L226 Difference]: Without dead ends: 40 [2024-11-17 04:59:01,681 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-17 04:59:01,686 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 23 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:59:01,687 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 76 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:59:01,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2024-11-17 04:59:01,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 37. [2024-11-17 04:59:01,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 24 states have (on average 1.4583333333333333) internal successors, (35), 31 states have internal predecessors, (35), 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) [2024-11-17 04:59:01,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 41 transitions. [2024-11-17 04:59:01,727 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 41 transitions. Word has length 6 [2024-11-17 04:59:01,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:59:01,728 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 41 transitions. [2024-11-17 04:59:01,728 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 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) [2024-11-17 04:59:01,728 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 41 transitions. [2024-11-17 04:59:01,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-17 04:59:01,729 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:59:01,730 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:59:01,730 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 04:59:01,733 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting sumErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-17 04:59:01,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:59:01,734 INFO L85 PathProgramCache]: Analyzing trace with hash -144743008, now seen corresponding path program 1 times [2024-11-17 04:59:01,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:59:01,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60713339] [2024-11-17 04:59:01,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:59:01,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:59:01,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:59:01,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:59:01,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:59:01,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60713339] [2024-11-17 04:59:01,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [60713339] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:59:01,829 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:59:01,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 04:59:01,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272141733] [2024-11-17 04:59:01,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:59:01,830 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:59:01,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:59:01,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:59:01,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:59:01,834 INFO L87 Difference]: Start difference. First operand 37 states and 41 transitions. Second operand has 5 states, 3 states have (on average 2.0) internal successors, (6), 4 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) [2024-11-17 04:59:01,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:59:01,917 INFO L93 Difference]: Finished difference Result 39 states and 44 transitions. [2024-11-17 04:59:01,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:59:01,918 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 2.0) internal successors, (6), 4 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 [2024-11-17 04:59:01,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:59:01,920 INFO L225 Difference]: With dead ends: 39 [2024-11-17 04:59:01,921 INFO L226 Difference]: Without dead ends: 38 [2024-11-17 04:59:01,922 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 [2024-11-17 04:59:01,925 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 29 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:59:01,926 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 29 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:59:01,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2024-11-17 04:59:01,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 36. [2024-11-17 04:59:01,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 24 states have (on average 1.375) internal successors, (33), 30 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) [2024-11-17 04:59:01,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 39 transitions. [2024-11-17 04:59:01,938 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 39 transitions. Word has length 7 [2024-11-17 04:59:01,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:59:01,938 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 39 transitions. [2024-11-17 04:59:01,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 2.0) internal successors, (6), 4 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) [2024-11-17 04:59:01,939 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 39 transitions. [2024-11-17 04:59:01,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-17 04:59:01,939 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:59:01,939 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:59:01,939 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-17 04:59:01,940 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting sumErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-17 04:59:01,940 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:59:01,940 INFO L85 PathProgramCache]: Analyzing trace with hash -192065958, now seen corresponding path program 1 times [2024-11-17 04:59:01,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:59:01,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709706661] [2024-11-17 04:59:01,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:59:01,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:59:01,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:59:02,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:59:02,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:59:02,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709706661] [2024-11-17 04:59:02,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [709706661] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:59:02,053 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:59:02,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 04:59:02,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594019263] [2024-11-17 04:59:02,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:59:02,054 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:59:02,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:59:02,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:59:02,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:59:02,058 INFO L87 Difference]: Start difference. First operand 36 states and 39 transitions. Second operand has 5 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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) [2024-11-17 04:59:02,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:59:02,122 INFO L93 Difference]: Finished difference Result 38 states and 39 transitions. [2024-11-17 04:59:02,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:59:02,123 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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 8 [2024-11-17 04:59:02,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:59:02,124 INFO L225 Difference]: With dead ends: 38 [2024-11-17 04:59:02,125 INFO L226 Difference]: Without dead ends: 36 [2024-11-17 04:59:02,126 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 [2024-11-17 04:59:02,127 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 14 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:59:02,127 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 71 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:59:02,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2024-11-17 04:59:02,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2024-11-17 04:59:02,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 24 states have (on average 1.2916666666666667) internal successors, (31), 30 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) [2024-11-17 04:59:02,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 37 transitions. [2024-11-17 04:59:02,134 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 37 transitions. Word has length 8 [2024-11-17 04:59:02,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:59:02,135 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 37 transitions. [2024-11-17 04:59:02,135 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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) [2024-11-17 04:59:02,135 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 37 transitions. [2024-11-17 04:59:02,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-17 04:59:02,136 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:59:02,136 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:59:02,136 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-17 04:59:02,137 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting sumErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-17 04:59:02,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:59:02,137 INFO L85 PathProgramCache]: Analyzing trace with hash -1900437619, now seen corresponding path program 1 times [2024-11-17 04:59:02,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:59:02,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954859066] [2024-11-17 04:59:02,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:59:02,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:59:02,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:59:02,266 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:59:02,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:59:02,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954859066] [2024-11-17 04:59:02,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954859066] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:59:02,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1903727581] [2024-11-17 04:59:02,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:59:02,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:59:02,271 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:59:02,275 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:59:02,276 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-17 04:59:02,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:59:02,328 INFO L255 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-17 04:59:02,333 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:59:02,403 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:59:02,403 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:59:02,488 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:59:02,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1903727581] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:59:02,488 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:59:02,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 12 [2024-11-17 04:59:02,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050730142] [2024-11-17 04:59:02,489 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:59:02,489 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-17 04:59:02,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:59:02,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-17 04:59:02,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-11-17 04:59:02,494 INFO L87 Difference]: Start difference. First operand 36 states and 37 transitions. Second operand has 12 states, 10 states have (on average 2.0) internal successors, (20), 8 states have internal predecessors, (20), 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) [2024-11-17 04:59:02,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:59:02,662 INFO L93 Difference]: Finished difference Result 90 states and 99 transitions. [2024-11-17 04:59:02,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-17 04:59:02,663 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 2.0) internal successors, (20), 8 states have internal predecessors, (20), 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 13 [2024-11-17 04:59:02,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:59:02,665 INFO L225 Difference]: With dead ends: 90 [2024-11-17 04:59:02,665 INFO L226 Difference]: Without dead ends: 73 [2024-11-17 04:59:02,666 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2024-11-17 04:59:02,668 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 104 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:59:02,669 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 123 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:59:02,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-11-17 04:59:02,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 65. [2024-11-17 04:59:02,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 48 states have (on average 1.25) internal successors, (60), 53 states have internal predecessors, (60), 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) [2024-11-17 04:59:02,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 72 transitions. [2024-11-17 04:59:02,684 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 72 transitions. Word has length 13 [2024-11-17 04:59:02,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:59:02,685 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 72 transitions. [2024-11-17 04:59:02,685 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 2.0) internal successors, (20), 8 states have internal predecessors, (20), 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) [2024-11-17 04:59:02,685 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 72 transitions. [2024-11-17 04:59:02,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-17 04:59:02,685 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:59:02,686 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:59:02,703 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-17 04:59:02,888 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 [2024-11-17 04:59:02,888 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting sumErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-17 04:59:02,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:59:02,889 INFO L85 PathProgramCache]: Analyzing trace with hash -959410827, now seen corresponding path program 1 times [2024-11-17 04:59:02,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:59:02,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321902373] [2024-11-17 04:59:02,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:59:02,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:59:02,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:59:02,996 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:59:02,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:59:02,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321902373] [2024-11-17 04:59:02,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321902373] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:59:02,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2025019665] [2024-11-17 04:59:02,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:59:02,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:59:02,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:59:02,999 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:59:03,001 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-17 04:59:03,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:59:03,036 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:59:03,037 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:59:03,087 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:59:03,088 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:59:03,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2025019665] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:59:03,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:59:03,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-11-17 04:59:03,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075316166] [2024-11-17 04:59:03,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:59:03,089 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:59:03,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:59:03,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:59:03,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:59:03,090 INFO L87 Difference]: Start difference. First operand 65 states and 72 transitions. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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) [2024-11-17 04:59:03,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:59:03,143 INFO L93 Difference]: Finished difference Result 67 states and 75 transitions. [2024-11-17 04:59:03,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:59:03,143 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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 15 [2024-11-17 04:59:03,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:59:03,145 INFO L225 Difference]: With dead ends: 67 [2024-11-17 04:59:03,145 INFO L226 Difference]: Without dead ends: 66 [2024-11-17 04:59:03,145 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-11-17 04:59:03,146 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 29 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:59:03,146 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 50 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:59:03,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2024-11-17 04:59:03,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 64. [2024-11-17 04:59:03,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 48 states have (on average 1.1666666666666667) internal successors, (56), 52 states have internal predecessors, (56), 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) [2024-11-17 04:59:03,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 68 transitions. [2024-11-17 04:59:03,165 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 68 transitions. Word has length 15 [2024-11-17 04:59:03,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:59:03,165 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 68 transitions. [2024-11-17 04:59:03,165 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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) [2024-11-17 04:59:03,166 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 68 transitions. [2024-11-17 04:59:03,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-17 04:59:03,166 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:59:03,166 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-17 04:59:03,179 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-17 04:59:03,368 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 [2024-11-17 04:59:03,369 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting sumErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-17 04:59:03,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:59:03,370 INFO L85 PathProgramCache]: Analyzing trace with hash 323035427, now seen corresponding path program 1 times [2024-11-17 04:59:03,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:59:03,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023216896] [2024-11-17 04:59:03,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:59:03,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:59:03,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:59:03,449 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:59:03,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:59:03,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023216896] [2024-11-17 04:59:03,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1023216896] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:59:03,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1686172358] [2024-11-17 04:59:03,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:59:03,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:59:03,450 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:59:03,451 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:59:03,452 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-17 04:59:03,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:59:03,486 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-17 04:59:03,487 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:59:03,538 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:59:03,538 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:59:03,604 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:59:03,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1686172358] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:59:03,606 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:59:03,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 14 [2024-11-17 04:59:03,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593510372] [2024-11-17 04:59:03,606 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:59:03,607 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-17 04:59:03,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:59:03,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-17 04:59:03,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2024-11-17 04:59:03,608 INFO L87 Difference]: Start difference. First operand 64 states and 68 transitions. Second operand has 15 states, 11 states have (on average 3.090909090909091) internal successors, (34), 10 states have internal predecessors, (34), 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) [2024-11-17 04:59:03,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:59:03,729 INFO L93 Difference]: Finished difference Result 67 states and 71 transitions. [2024-11-17 04:59:03,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-17 04:59:03,729 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 11 states have (on average 3.090909090909091) internal successors, (34), 10 states have internal predecessors, (34), 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 16 [2024-11-17 04:59:03,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:59:03,730 INFO L225 Difference]: With dead ends: 67 [2024-11-17 04:59:03,730 INFO L226 Difference]: Without dead ends: 66 [2024-11-17 04:59:03,731 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=256, Unknown=0, NotChecked=0, Total=342 [2024-11-17 04:59:03,732 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 70 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:59:03,732 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 132 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:59:03,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2024-11-17 04:59:03,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 64. [2024-11-17 04:59:03,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 48 states have (on average 1.1041666666666667) internal successors, (53), 52 states have internal predecessors, (53), 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) [2024-11-17 04:59:03,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 65 transitions. [2024-11-17 04:59:03,741 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 65 transitions. Word has length 16 [2024-11-17 04:59:03,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:59:03,741 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 65 transitions. [2024-11-17 04:59:03,742 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 11 states have (on average 3.090909090909091) internal successors, (34), 10 states have internal predecessors, (34), 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) [2024-11-17 04:59:03,742 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 65 transitions. [2024-11-17 04:59:03,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-17 04:59:03,743 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:59:03,743 INFO L215 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1] [2024-11-17 04:59:03,758 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-17 04:59:03,946 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 [2024-11-17 04:59:03,947 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting sumErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-17 04:59:03,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:59:03,947 INFO L85 PathProgramCache]: Analyzing trace with hash -1802042126, now seen corresponding path program 2 times [2024-11-17 04:59:03,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:59:03,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609564500] [2024-11-17 04:59:03,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:59:03,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:59:03,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:59:04,174 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:59:04,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:59:04,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609564500] [2024-11-17 04:59:04,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1609564500] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:59:04,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [776368457] [2024-11-17 04:59:04,175 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:59:04,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:59:04,175 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:59:04,177 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:59:04,178 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-17 04:59:04,215 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 04:59:04,215 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:59:04,216 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-17 04:59:04,218 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:59:04,286 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:59:04,287 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:59:04,465 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:59:04,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [776368457] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:59:04,466 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:59:04,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 24 [2024-11-17 04:59:04,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206050183] [2024-11-17 04:59:04,466 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:59:04,466 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-17 04:59:04,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:59:04,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-17 04:59:04,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=416, Unknown=0, NotChecked=0, Total=552 [2024-11-17 04:59:04,468 INFO L87 Difference]: Start difference. First operand 64 states and 65 transitions. Second operand has 24 states, 22 states have (on average 2.5454545454545454) internal successors, (56), 14 states have internal predecessors, (56), 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) [2024-11-17 04:59:04,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:59:04,769 INFO L93 Difference]: Finished difference Result 157 states and 169 transitions. [2024-11-17 04:59:04,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-17 04:59:04,770 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 22 states have (on average 2.5454545454545454) internal successors, (56), 14 states have internal predecessors, (56), 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 34 [2024-11-17 04:59:04,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:59:04,771 INFO L225 Difference]: With dead ends: 157 [2024-11-17 04:59:04,771 INFO L226 Difference]: Without dead ends: 132 [2024-11-17 04:59:04,773 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=311, Invalid=811, Unknown=0, NotChecked=0, Total=1122 [2024-11-17 04:59:04,774 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 190 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:59:04,774 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 302 Invalid, 242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:59:04,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2024-11-17 04:59:04,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 124. [2024-11-17 04:59:04,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 96 states have (on average 1.1145833333333333) internal successors, (107), 100 states have internal predecessors, (107), 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) [2024-11-17 04:59:04,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 131 transitions. [2024-11-17 04:59:04,801 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 131 transitions. Word has length 34 [2024-11-17 04:59:04,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:59:04,802 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 131 transitions. [2024-11-17 04:59:04,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 22 states have (on average 2.5454545454545454) internal successors, (56), 14 states have internal predecessors, (56), 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) [2024-11-17 04:59:04,803 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 131 transitions. [2024-11-17 04:59:04,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-17 04:59:04,803 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:59:04,803 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1] [2024-11-17 04:59:04,818 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-17 04:59:05,004 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 [2024-11-17 04:59:05,004 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting sumErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-17 04:59:05,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:59:05,004 INFO L85 PathProgramCache]: Analyzing trace with hash -1839495778, now seen corresponding path program 2 times [2024-11-17 04:59:05,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:59:05,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783290509] [2024-11-17 04:59:05,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:59:05,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:59:05,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:59:05,210 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:59:05,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:59:05,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783290509] [2024-11-17 04:59:05,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783290509] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:59:05,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [139516030] [2024-11-17 04:59:05,211 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:59:05,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:59:05,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:59:05,214 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:59:05,215 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-17 04:59:05,259 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 04:59:05,259 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:59:05,260 INFO L255 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-17 04:59:05,261 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:59:05,334 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:59:05,334 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:59:05,544 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:59:05,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [139516030] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:59:05,544 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:59:05,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 26 [2024-11-17 04:59:05,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563461398] [2024-11-17 04:59:05,545 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:59:05,545 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-17 04:59:05,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:59:05,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-17 04:59:05,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=164, Invalid=538, Unknown=0, NotChecked=0, Total=702 [2024-11-17 04:59:05,546 INFO L87 Difference]: Start difference. First operand 124 states and 131 transitions. Second operand has 27 states, 23 states have (on average 3.0434782608695654) internal successors, (70), 16 states have internal predecessors, (70), 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) [2024-11-17 04:59:05,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:59:05,825 INFO L93 Difference]: Finished difference Result 127 states and 134 transitions. [2024-11-17 04:59:05,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-17 04:59:05,826 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 23 states have (on average 3.0434782608695654) internal successors, (70), 16 states have internal predecessors, (70), 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 37 [2024-11-17 04:59:05,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:59:05,827 INFO L225 Difference]: With dead ends: 127 [2024-11-17 04:59:05,827 INFO L226 Difference]: Without dead ends: 126 [2024-11-17 04:59:05,828 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 282 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=341, Invalid=991, Unknown=0, NotChecked=0, Total=1332 [2024-11-17 04:59:05,828 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 192 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:59:05,829 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 287 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:59:05,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2024-11-17 04:59:05,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 124. [2024-11-17 04:59:05,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 96 states have (on average 1.0520833333333333) internal successors, (101), 100 states have internal predecessors, (101), 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) [2024-11-17 04:59:05,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 125 transitions. [2024-11-17 04:59:05,842 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 125 transitions. Word has length 37 [2024-11-17 04:59:05,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:59:05,842 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 125 transitions. [2024-11-17 04:59:05,842 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 23 states have (on average 3.0434782608695654) internal successors, (70), 16 states have internal predecessors, (70), 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) [2024-11-17 04:59:05,842 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 125 transitions. [2024-11-17 04:59:05,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-17 04:59:05,844 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:59:05,844 INFO L215 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1] [2024-11-17 04:59:05,860 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-17 04:59:06,044 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 [2024-11-17 04:59:06,045 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting sumErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-17 04:59:06,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:59:06,045 INFO L85 PathProgramCache]: Analyzing trace with hash 1163737042, now seen corresponding path program 3 times [2024-11-17 04:59:06,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:59:06,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165582497] [2024-11-17 04:59:06,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:59:06,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:59:06,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:59:06,481 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 0 proven. 335 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:59:06,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:59:06,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165582497] [2024-11-17 04:59:06,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165582497] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:59:06,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [391638851] [2024-11-17 04:59:06,482 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-17 04:59:06,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:59:06,482 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:59:06,485 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:59:06,486 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-17 04:59:06,524 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-17 04:59:06,524 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:59:06,524 INFO L255 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-17 04:59:06,526 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:59:06,639 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2024-11-17 04:59:06,640 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:59:06,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [391638851] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:59:06,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:59:06,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [25] total 29 [2024-11-17 04:59:06,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973487294] [2024-11-17 04:59:06,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:59:06,642 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 04:59:06,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:59:06,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 04:59:06,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=177, Invalid=635, Unknown=0, NotChecked=0, Total=812 [2024-11-17 04:59:06,643 INFO L87 Difference]: Start difference. First operand 124 states and 125 transitions. Second operand has 6 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 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) [2024-11-17 04:59:06,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:59:06,750 INFO L93 Difference]: Finished difference Result 126 states and 128 transitions. [2024-11-17 04:59:06,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-17 04:59:06,751 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 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 76 [2024-11-17 04:59:06,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:59:06,752 INFO L225 Difference]: With dead ends: 126 [2024-11-17 04:59:06,752 INFO L226 Difference]: Without dead ends: 125 [2024-11-17 04:59:06,753 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 178 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=193, Invalid=799, Unknown=0, NotChecked=0, Total=992 [2024-11-17 04:59:06,753 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 34 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:59:06,754 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 49 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:59:06,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2024-11-17 04:59:06,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 123. [2024-11-17 04:59:06,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 96 states have (on average 1.0416666666666667) internal successors, (100), 99 states have internal predecessors, (100), 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) [2024-11-17 04:59:06,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 124 transitions. [2024-11-17 04:59:06,765 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 124 transitions. Word has length 76 [2024-11-17 04:59:06,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:59:06,766 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 124 transitions. [2024-11-17 04:59:06,766 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 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) [2024-11-17 04:59:06,766 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 124 transitions. [2024-11-17 04:59:06,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-17 04:59:06,768 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:59:06,768 INFO L215 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1] [2024-11-17 04:59:06,784 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-17 04:59:06,971 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 [2024-11-17 04:59:06,972 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-17 04:59:06,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:59:06,972 INFO L85 PathProgramCache]: Analyzing trace with hash 1716109919, now seen corresponding path program 1 times [2024-11-17 04:59:06,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:59:06,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204410164] [2024-11-17 04:59:06,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:59:06,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:59:07,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:59:07,408 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 0 proven. 335 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:59:07,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:59:07,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204410164] [2024-11-17 04:59:07,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204410164] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:59:07,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1077192922] [2024-11-17 04:59:07,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:59:07,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:59:07,409 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:59:07,411 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:59:07,412 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-17 04:59:07,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:59:07,470 INFO L255 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-17 04:59:07,473 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:59:08,096 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 0 proven. 335 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:59:08,096 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:59:08,934 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 0 proven. 335 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:59:08,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1077192922] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:59:08,935 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:59:08,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 25] total 72 [2024-11-17 04:59:08,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091127971] [2024-11-17 04:59:08,935 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:59:08,936 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 72 states [2024-11-17 04:59:08,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:59:08,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2024-11-17 04:59:08,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=714, Invalid=4398, Unknown=0, NotChecked=0, Total=5112 [2024-11-17 04:59:08,939 INFO L87 Difference]: Start difference. First operand 123 states and 124 transitions. Second operand has 72 states, 69 states have (on average 2.8115942028985508) internal successors, (194), 39 states have internal predecessors, (194), 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) [2024-11-17 04:59:10,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:59:10,334 INFO L93 Difference]: Finished difference Result 298 states and 323 transitions. [2024-11-17 04:59:10,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-11-17 04:59:10,334 INFO L78 Accepts]: Start accepts. Automaton has has 72 states, 69 states have (on average 2.8115942028985508) internal successors, (194), 39 states have internal predecessors, (194), 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 77 [2024-11-17 04:59:10,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:59:10,337 INFO L225 Difference]: With dead ends: 298 [2024-11-17 04:59:10,338 INFO L226 Difference]: Without dead ends: 255 [2024-11-17 04:59:10,342 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2468 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=2028, Invalid=9102, Unknown=0, NotChecked=0, Total=11130 [2024-11-17 04:59:10,343 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 840 mSDsluCounter, 807 mSDsCounter, 0 mSdLazyCounter, 821 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 841 SdHoareTripleChecker+Valid, 864 SdHoareTripleChecker+Invalid, 893 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 821 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-17 04:59:10,344 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [841 Valid, 864 Invalid, 893 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 821 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-17 04:59:10,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2024-11-17 04:59:10,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 242. [2024-11-17 04:59:10,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 242 states, 192 states have (on average 1.0729166666666667) internal successors, (206), 194 states have internal predecessors, (206), 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) [2024-11-17 04:59:10,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 254 transitions. [2024-11-17 04:59:10,365 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 254 transitions. Word has length 77 [2024-11-17 04:59:10,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:59:10,365 INFO L471 AbstractCegarLoop]: Abstraction has 242 states and 254 transitions. [2024-11-17 04:59:10,366 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 72 states, 69 states have (on average 2.8115942028985508) internal successors, (194), 39 states have internal predecessors, (194), 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) [2024-11-17 04:59:10,367 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 254 transitions. [2024-11-17 04:59:10,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-17 04:59:10,370 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:59:10,370 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 11, 11, 1, 1, 1, 1] [2024-11-17 04:59:10,387 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-17 04:59:10,571 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 [2024-11-17 04:59:10,571 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting sumErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-17 04:59:10,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:59:10,572 INFO L85 PathProgramCache]: Analyzing trace with hash 1605819203, now seen corresponding path program 3 times [2024-11-17 04:59:10,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:59:10,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271623873] [2024-11-17 04:59:10,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:59:10,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:59:10,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:59:11,058 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 0 proven. 451 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:59:11,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:59:11,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271623873] [2024-11-17 04:59:11,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271623873] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:59:11,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1507675561] [2024-11-17 04:59:11,059 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-17 04:59:11,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:59:11,059 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:59:11,061 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:59:11,062 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-17 04:59:11,120 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2024-11-17 04:59:11,121 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:59:11,122 INFO L255 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-17 04:59:11,124 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:59:11,267 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 0 proven. 451 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:59:11,267 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:59:11,834 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 0 proven. 451 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:59:11,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1507675561] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:59:11,834 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:59:11,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26, 26] total 54 [2024-11-17 04:59:11,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265088085] [2024-11-17 04:59:11,835 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:59:11,836 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2024-11-17 04:59:11,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:59:11,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2024-11-17 04:59:11,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=710, Invalid=2260, Unknown=0, NotChecked=0, Total=2970 [2024-11-17 04:59:11,838 INFO L87 Difference]: Start difference. First operand 242 states and 254 transitions. Second operand has 55 states, 51 states have (on average 3.019607843137255) internal successors, (154), 30 states have internal predecessors, (154), 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) [2024-11-17 04:59:12,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:59:12,542 INFO L93 Difference]: Finished difference Result 277 states and 293 transitions. [2024-11-17 04:59:12,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-11-17 04:59:12,543 INFO L78 Accepts]: Start accepts. Automaton has has 55 states, 51 states have (on average 3.019607843137255) internal successors, (154), 30 states have internal predecessors, (154), 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 86 [2024-11-17 04:59:12,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:59:12,547 INFO L225 Difference]: With dead ends: 277 [2024-11-17 04:59:12,547 INFO L226 Difference]: Without dead ends: 276 [2024-11-17 04:59:12,549 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1360 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1636, Invalid=4526, Unknown=0, NotChecked=0, Total=6162 [2024-11-17 04:59:12,550 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 515 mSDsluCounter, 509 mSDsCounter, 0 mSdLazyCounter, 427 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 517 SdHoareTripleChecker+Valid, 564 SdHoareTripleChecker+Invalid, 481 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 427 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:59:12,550 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [517 Valid, 564 Invalid, 481 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 427 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:59:12,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2024-11-17 04:59:12,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 268. [2024-11-17 04:59:12,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 214 states have (on average 1.0327102803738317) internal successors, (221), 216 states have internal predecessors, (221), 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) [2024-11-17 04:59:12,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 273 transitions. [2024-11-17 04:59:12,571 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 273 transitions. Word has length 86 [2024-11-17 04:59:12,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:59:12,572 INFO L471 AbstractCegarLoop]: Abstraction has 268 states and 273 transitions. [2024-11-17 04:59:12,572 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 51 states have (on average 3.019607843137255) internal successors, (154), 30 states have internal predecessors, (154), 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) [2024-11-17 04:59:12,572 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 273 transitions. [2024-11-17 04:59:12,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-17 04:59:12,574 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:59:12,574 INFO L215 NwaCegarLoop]: trace histogram [23, 22, 22, 22, 22, 22, 22, 1, 1, 1, 1, 1, 1] [2024-11-17 04:59:12,588 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-17 04:59:12,774 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 [2024-11-17 04:59:12,775 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-17 04:59:12,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:59:12,776 INFO L85 PathProgramCache]: Analyzing trace with hash 877386911, now seen corresponding path program 2 times [2024-11-17 04:59:12,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:59:12,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28752255] [2024-11-17 04:59:12,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:59:12,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:59:12,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:59:14,097 INFO L134 CoverageAnalysis]: Checked inductivity of 1661 backedges. 0 proven. 1661 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:59:14,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:59:14,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28752255] [2024-11-17 04:59:14,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28752255] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:59:14,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [875572427] [2024-11-17 04:59:14,097 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:59:14,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:59:14,098 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:59:14,099 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:59:14,100 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-17 04:59:14,170 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 04:59:14,170 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:59:14,172 INFO L255 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-17 04:59:14,176 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:59:15,704 INFO L134 CoverageAnalysis]: Checked inductivity of 1661 backedges. 0 proven. 1661 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:59:15,704 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:59:17,304 INFO L134 CoverageAnalysis]: Checked inductivity of 1661 backedges. 0 proven. 1661 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:59:17,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [875572427] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:59:17,305 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:59:17,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 49, 49] total 102 [2024-11-17 04:59:17,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812386306] [2024-11-17 04:59:17,305 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:59:17,306 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 102 states [2024-11-17 04:59:17,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:59:17,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 102 interpolants. [2024-11-17 04:59:17,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1308, Invalid=8994, Unknown=0, NotChecked=0, Total=10302 [2024-11-17 04:59:17,310 INFO L87 Difference]: Start difference. First operand 268 states and 273 transitions. Second operand has 102 states, 99 states have (on average 2.919191919191919) internal successors, (289), 54 states have internal predecessors, (289), 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) [2024-11-17 04:59:19,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:59:19,514 INFO L93 Difference]: Finished difference Result 363 states and 369 transitions. [2024-11-17 04:59:19,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-11-17 04:59:19,515 INFO L78 Accepts]: Start accepts. Automaton has has 102 states, 99 states have (on average 2.919191919191919) internal successors, (289), 54 states have internal predecessors, (289), 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 161 [2024-11-17 04:59:19,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:59:19,516 INFO L225 Difference]: With dead ends: 363 [2024-11-17 04:59:19,516 INFO L226 Difference]: Without dead ends: 275 [2024-11-17 04:59:19,521 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 418 GetRequests, 227 SyntacticMatches, 42 SemanticMatches, 149 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8234 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=4038, Invalid=18612, Unknown=0, NotChecked=0, Total=22650 [2024-11-17 04:59:19,522 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 1073 mSDsluCounter, 999 mSDsCounter, 0 mSdLazyCounter, 1172 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1074 SdHoareTripleChecker+Valid, 1062 SdHoareTripleChecker+Invalid, 1271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 1172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-17 04:59:19,522 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1074 Valid, 1062 Invalid, 1271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 1172 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-17 04:59:19,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2024-11-17 04:59:19,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 272. [2024-11-17 04:59:19,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 216 states have (on average 1.0185185185185186) internal successors, (220), 218 states have internal predecessors, (220), 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) [2024-11-17 04:59:19,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 274 transitions. [2024-11-17 04:59:19,543 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 274 transitions. Word has length 161 [2024-11-17 04:59:19,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:59:19,543 INFO L471 AbstractCegarLoop]: Abstraction has 272 states and 274 transitions. [2024-11-17 04:59:19,544 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 102 states, 99 states have (on average 2.919191919191919) internal successors, (289), 54 states have internal predecessors, (289), 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) [2024-11-17 04:59:19,544 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 274 transitions. [2024-11-17 04:59:19,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-17 04:59:19,545 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:59:19,546 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 25, 25, 24, 24, 1, 1, 1, 1] [2024-11-17 04:59:19,566 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-17 04:59:19,746 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 [2024-11-17 04:59:19,746 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting sumErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-17 04:59:19,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:59:19,747 INFO L85 PathProgramCache]: Analyzing trace with hash -1363324578, now seen corresponding path program 4 times [2024-11-17 04:59:19,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:59:19,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723687579] [2024-11-17 04:59:19,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:59:19,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:59:19,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:59:21,103 INFO L134 CoverageAnalysis]: Checked inductivity of 2076 backedges. 0 proven. 2076 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:59:21,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:59:21,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723687579] [2024-11-17 04:59:21,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1723687579] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:59:21,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [155892828] [2024-11-17 04:59:21,104 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-17 04:59:21,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:59:21,104 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:59:21,105 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:59:21,106 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-17 04:59:21,173 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-17 04:59:21,173 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:59:21,175 INFO L255 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 52 conjuncts are in the unsatisfiable core [2024-11-17 04:59:21,178 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:59:21,396 INFO L134 CoverageAnalysis]: Checked inductivity of 2076 backedges. 0 proven. 2076 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:59:21,396 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:59:23,303 INFO L134 CoverageAnalysis]: Checked inductivity of 2076 backedges. 0 proven. 2076 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:59:23,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [155892828] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:59:23,303 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:59:23,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [52, 52, 52] total 106 [2024-11-17 04:59:23,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579442607] [2024-11-17 04:59:23,304 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:59:23,304 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 107 states [2024-11-17 04:59:23,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:59:23,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 107 interpolants. [2024-11-17 04:59:23,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2764, Invalid=8578, Unknown=0, NotChecked=0, Total=11342 [2024-11-17 04:59:23,308 INFO L87 Difference]: Start difference. First operand 272 states and 274 transitions. Second operand has 107 states, 103 states have (on average 3.0097087378640777) internal successors, (310), 56 states have internal predecessors, (310), 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) [2024-11-17 04:59:25,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:59:25,510 INFO L93 Difference]: Finished difference Result 675 states and 727 transitions. [2024-11-17 04:59:25,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2024-11-17 04:59:25,511 INFO L78 Accepts]: Start accepts. Automaton has has 107 states, 103 states have (on average 3.0097087378640777) internal successors, (310), 56 states have internal predecessors, (310), 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 177 [2024-11-17 04:59:25,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:59:25,514 INFO L225 Difference]: With dead ends: 675 [2024-11-17 04:59:25,514 INFO L226 Difference]: Without dead ends: 674 [2024-11-17 04:59:25,516 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 454 GetRequests, 299 SyntacticMatches, 0 SemanticMatches, 155 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5442 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=6641, Invalid=17851, Unknown=0, NotChecked=0, Total=24492 [2024-11-17 04:59:25,517 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 1882 mSDsluCounter, 947 mSDsCounter, 0 mSdLazyCounter, 916 mSolverCounterSat, 191 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1884 SdHoareTripleChecker+Valid, 1008 SdHoareTripleChecker+Invalid, 1107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 191 IncrementalHoareTripleChecker+Valid, 916 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-17 04:59:25,517 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1884 Valid, 1008 Invalid, 1107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [191 Valid, 916 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-17 04:59:25,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 674 states. [2024-11-17 04:59:25,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 674 to 597. [2024-11-17 04:59:25,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 597 states, 491 states have (on average 1.1079429735234216) internal successors, (544), 493 states have internal predecessors, (544), 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) [2024-11-17 04:59:25,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 648 transitions. [2024-11-17 04:59:25,558 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 648 transitions. Word has length 177 [2024-11-17 04:59:25,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:59:25,559 INFO L471 AbstractCegarLoop]: Abstraction has 597 states and 648 transitions. [2024-11-17 04:59:25,559 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 107 states, 103 states have (on average 3.0097087378640777) internal successors, (310), 56 states have internal predecessors, (310), 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) [2024-11-17 04:59:25,559 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 648 transitions. [2024-11-17 04:59:25,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-17 04:59:25,563 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:59:25,563 INFO L215 NwaCegarLoop]: trace histogram [26, 25, 25, 25, 25, 25, 25, 1, 1, 1, 1, 1, 1] [2024-11-17 04:59:25,578 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-17 04:59:25,763 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 [2024-11-17 04:59:25,764 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-17 04:59:25,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:59:25,764 INFO L85 PathProgramCache]: Analyzing trace with hash -659927676, now seen corresponding path program 3 times [2024-11-17 04:59:25,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:59:25,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666618543] [2024-11-17 04:59:25,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:59:25,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:59:25,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:59:27,387 INFO L134 CoverageAnalysis]: Checked inductivity of 2150 backedges. 0 proven. 2150 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:59:27,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:59:27,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666618543] [2024-11-17 04:59:27,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666618543] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:59:27,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1092448066] [2024-11-17 04:59:27,388 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-17 04:59:27,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:59:27,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:59:27,392 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:59:27,393 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-17 04:59:27,433 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-17 04:59:27,434 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:59:27,434 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 04:59:27,436 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:59:27,555 INFO L134 CoverageAnalysis]: Checked inductivity of 2150 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 2076 trivial. 0 not checked. [2024-11-17 04:59:27,555 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:59:27,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1092448066] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:59:27,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:59:27,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [55] total 59 [2024-11-17 04:59:27,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320664424] [2024-11-17 04:59:27,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:59:27,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 04:59:27,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:59:27,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 04:59:27,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=847, Invalid=2693, Unknown=0, NotChecked=0, Total=3540 [2024-11-17 04:59:27,558 INFO L87 Difference]: Start difference. First operand 597 states and 648 transitions. Second operand has 6 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 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) [2024-11-17 04:59:27,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:59:27,694 INFO L93 Difference]: Finished difference Result 649 states and 701 transitions. [2024-11-17 04:59:27,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 04:59:27,695 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 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 182 [2024-11-17 04:59:27,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:59:27,700 INFO L225 Difference]: With dead ends: 649 [2024-11-17 04:59:27,701 INFO L226 Difference]: Without dead ends: 648 [2024-11-17 04:59:27,702 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 806 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=863, Invalid=3043, Unknown=0, NotChecked=0, Total=3906 [2024-11-17 04:59:27,703 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 23 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:59:27,703 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 65 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:59:27,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 648 states. [2024-11-17 04:59:27,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 648 to 596. [2024-11-17 04:59:27,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 596 states, 491 states have (on average 1.054989816700611) internal successors, (518), 492 states have internal predecessors, (518), 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) [2024-11-17 04:59:27,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 622 transitions. [2024-11-17 04:59:27,753 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 622 transitions. Word has length 182 [2024-11-17 04:59:27,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:59:27,754 INFO L471 AbstractCegarLoop]: Abstraction has 596 states and 622 transitions. [2024-11-17 04:59:27,754 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 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) [2024-11-17 04:59:27,754 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 622 transitions. [2024-11-17 04:59:27,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2024-11-17 04:59:27,758 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:59:27,758 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 25, 25, 25, 25, 25, 25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:59:27,775 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-17 04:59:27,958 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 [2024-11-17 04:59:27,959 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-17 04:59:27,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:59:27,959 INFO L85 PathProgramCache]: Analyzing trace with hash -329734719, now seen corresponding path program 1 times [2024-11-17 04:59:27,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:59:27,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293436093] [2024-11-17 04:59:27,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:59:27,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:59:27,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:59:28,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:59:28,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:59:28,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:59:28,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:59:28,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:59:28,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:59:28,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:59:28,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:59:28,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:59:28,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:59:28,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:59:28,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:59:28,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:59:28,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:59:28,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:59:28,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:59:28,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:59:28,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:59:28,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:59:28,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:59:28,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:59:28,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:59:28,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:59:28,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:59:28,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:59:28,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:59:28,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:59:28,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:59:28,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:59:28,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:59:28,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:59:28,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:59:28,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:59:28,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:59:28,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:59:28,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:59:28,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:59:28,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:59:28,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:59:28,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:59:28,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:59:28,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:59:28,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:59:28,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:59:28,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:59:28,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:59:28,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:59:28,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:59:28,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:59:28,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:59:28,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:59:28,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:59:28,564 INFO L134 CoverageAnalysis]: Checked inductivity of 3100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3100 trivial. 0 not checked. [2024-11-17 04:59:28,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:59:28,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293436093] [2024-11-17 04:59:28,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1293436093] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:59:28,565 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:59:28,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:59:28,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866354873] [2024-11-17 04:59:28,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:59:28,566 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:59:28,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:59:28,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:59:28,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:59:28,568 INFO L87 Difference]: Start difference. First operand 596 states and 622 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 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) [2024-11-17 04:59:28,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:59:28,597 INFO L93 Difference]: Finished difference Result 596 states and 622 transitions. [2024-11-17 04:59:28,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:59:28,598 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 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 263 [2024-11-17 04:59:28,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:59:28,600 INFO L225 Difference]: With dead ends: 596 [2024-11-17 04:59:28,600 INFO L226 Difference]: Without dead ends: 361 [2024-11-17 04:59:28,601 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:59:28,603 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:59:28,603 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 37 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:59:28,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2024-11-17 04:59:28,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 360. [2024-11-17 04:59:28,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 308 states have (on average 1.0032467532467533) internal successors, (309), 308 states have internal predecessors, (309), 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) [2024-11-17 04:59:28,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 360 transitions. [2024-11-17 04:59:28,622 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 360 transitions. Word has length 263 [2024-11-17 04:59:28,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:59:28,622 INFO L471 AbstractCegarLoop]: Abstraction has 360 states and 360 transitions. [2024-11-17 04:59:28,623 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 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) [2024-11-17 04:59:28,623 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 360 transitions. [2024-11-17 04:59:28,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2024-11-17 04:59:28,626 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:59:28,627 INFO L215 NwaCegarLoop]: trace histogram [51, 51, 51, 51, 51, 50, 50, 1, 1, 1, 1] [2024-11-17 04:59:28,627 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-17 04:59:28,627 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting sumErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-17 04:59:28,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:59:28,628 INFO L85 PathProgramCache]: Analyzing trace with hash 117210686, now seen corresponding path program 5 times [2024-11-17 04:59:28,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:59:28,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39028509] [2024-11-17 04:59:28,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:59:28,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:59:28,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:59:30,450 INFO L134 CoverageAnalysis]: Checked inductivity of 8875 backedges. 6675 proven. 0 refuted. 0 times theorem prover too weak. 2200 trivial. 0 not checked. [2024-11-17 04:59:30,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:59:30,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39028509] [2024-11-17 04:59:30,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39028509] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:59:30,451 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:59:30,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [55] imperfect sequences [] total 55 [2024-11-17 04:59:30,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395381458] [2024-11-17 04:59:30,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:59:30,451 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2024-11-17 04:59:30,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:59:30,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2024-11-17 04:59:30,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=757, Invalid=2213, Unknown=0, NotChecked=0, Total=2970 [2024-11-17 04:59:30,453 INFO L87 Difference]: Start difference. First operand 360 states and 360 transitions. Second operand has 55 states, 54 states have (on average 2.9814814814814814) internal successors, (161), 29 states have internal predecessors, (161), 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) [2024-11-17 04:59:31,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:59:31,172 INFO L93 Difference]: Finished difference Result 360 states and 360 transitions. [2024-11-17 04:59:31,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-11-17 04:59:31,172 INFO L78 Accepts]: Start accepts. Automaton has has 55 states, 54 states have (on average 2.9814814814814814) internal successors, (161), 29 states have internal predecessors, (161), 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 359 [2024-11-17 04:59:31,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:59:31,173 INFO L225 Difference]: With dead ends: 360 [2024-11-17 04:59:31,173 INFO L226 Difference]: Without dead ends: 0 [2024-11-17 04:59:31,175 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1225 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=1836, Invalid=4644, Unknown=0, NotChecked=0, Total=6480 [2024-11-17 04:59:31,175 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 151 mSDsluCounter, 347 mSDsCounter, 0 mSdLazyCounter, 949 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 425 SdHoareTripleChecker+Invalid, 949 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 949 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:59:31,176 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 425 Invalid, 949 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 949 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 04:59:31,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-17 04:59:31,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-17 04:59:31,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:59:31,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-17 04:59:31,177 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 359 [2024-11-17 04:59:31,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:59:31,177 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-17 04:59:31,177 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 54 states have (on average 2.9814814814814814) internal successors, (161), 29 states have internal predecessors, (161), 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) [2024-11-17 04:59:31,178 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-17 04:59:31,178 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-17 04:59:31,180 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2024-11-17 04:59:31,181 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2024-11-17 04:59:31,181 INFO L782 garLoopResultBuilder]: Registering result SAFE for location sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2024-11-17 04:59:31,181 INFO L782 garLoopResultBuilder]: Registering result SAFE for location sumErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2024-11-17 04:59:31,181 INFO L782 garLoopResultBuilder]: Registering result SAFE for location sumErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2024-11-17 04:59:31,181 INFO L782 garLoopResultBuilder]: Registering result SAFE for location sumErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2024-11-17 04:59:31,182 INFO L782 garLoopResultBuilder]: Registering result SAFE for location sumErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2024-11-17 04:59:31,182 INFO L782 garLoopResultBuilder]: Registering result SAFE for location sumErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2024-11-17 04:59:31,182 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-17 04:59:31,185 INFO L407 BasicCegarLoop]: Path program histogram: [5, 3, 3, 1, 1, 1, 1, 1] [2024-11-17 04:59:31,187 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-17 04:59:45,142 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-17 04:59:45,387 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-17 04:59:45,397 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 04:59:45 BoogieIcfgContainer [2024-11-17 04:59:45,397 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-17 04:59:45,398 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 04:59:45,398 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 04:59:45,399 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 04:59:45,399 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 04:59:01" (3/4) ... [2024-11-17 04:59:45,401 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-17 04:59:45,406 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure sum [2024-11-17 04:59:45,410 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-17 04:59:45,410 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-17 04:59:45,410 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-17 04:59:45,410 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-17 04:59:45,495 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-17 04:59:45,495 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-17 04:59:45,496 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 04:59:45,496 INFO L158 Benchmark]: Toolchain (without parser) took 44925.08ms. Allocated memory was 148.9MB in the beginning and 627.0MB in the end (delta: 478.2MB). Free memory was 95.5MB in the beginning and 580.8MB in the end (delta: -485.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 04:59:45,497 INFO L158 Benchmark]: CDTParser took 1.57ms. Allocated memory is still 148.9MB. Free memory is still 110.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 04:59:45,497 INFO L158 Benchmark]: CACSL2BoogieTranslator took 238.17ms. Allocated memory is still 148.9MB. Free memory was 95.4MB in the beginning and 83.7MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-17 04:59:45,498 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.63ms. Allocated memory is still 148.9MB. Free memory was 83.7MB in the beginning and 82.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 04:59:45,499 INFO L158 Benchmark]: Boogie Preprocessor took 25.54ms. Allocated memory is still 148.9MB. Free memory was 82.3MB in the beginning and 80.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 04:59:45,499 INFO L158 Benchmark]: IcfgBuilder took 285.91ms. Allocated memory is still 148.9MB. Free memory was 80.8MB in the beginning and 69.8MB in the end (delta: 11.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-17 04:59:45,499 INFO L158 Benchmark]: TraceAbstraction took 44246.67ms. Allocated memory was 148.9MB in the beginning and 627.0MB in the end (delta: 478.2MB). Free memory was 69.1MB in the beginning and 586.0MB in the end (delta: -516.9MB). Peak memory consumption was 328.3MB. Max. memory is 16.1GB. [2024-11-17 04:59:45,499 INFO L158 Benchmark]: Witness Printer took 97.58ms. Allocated memory is still 627.0MB. Free memory was 586.0MB in the beginning and 580.8MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-17 04:59:45,501 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.57ms. Allocated memory is still 148.9MB. Free memory is still 110.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 238.17ms. Allocated memory is still 148.9MB. Free memory was 95.4MB in the beginning and 83.7MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.63ms. Allocated memory is still 148.9MB. Free memory was 83.7MB in the beginning and 82.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.54ms. Allocated memory is still 148.9MB. Free memory was 82.3MB in the beginning and 80.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 285.91ms. Allocated memory is still 148.9MB. Free memory was 80.8MB in the beginning and 69.8MB in the end (delta: 11.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 44246.67ms. Allocated memory was 148.9MB in the beginning and 627.0MB in the end (delta: 478.2MB). Free memory was 69.1MB in the beginning and 586.0MB in the end (delta: -516.9MB). Peak memory consumption was 328.3MB. Max. memory is 16.1GB. * Witness Printer took 97.58ms. Allocated memory is still 627.0MB. Free memory was 586.0MB in the beginning and 580.8MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.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, 33 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 30.0s, OverallIterations: 16, TraceHistogramMax: 51, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 8.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5189 SdHoareTripleChecker+Valid, 2.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5169 mSDsluCounter, 5144 SdHoareTripleChecker+Invalid, 2.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4572 mSDsCounter, 509 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5132 IncrementalHoareTripleChecker+Invalid, 5641 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 509 mSolverCounterUnsat, 572 mSDtfsCounter, 5132 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2079 GetRequests, 1262 SyntacticMatches, 42 SemanticMatches, 775 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20261 ImplicationChecksByTransitivity, 15.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=597occurred 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, 2391 NumberOfCodeBlocks, 2160 NumberOfCodeBlocksAsserted, 44 NumberOfCheckSat, 2957 ConstructedInterpolants, 0 QuantifiedInterpolants, 7483 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! [2024-11-17 04:59:45,535 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