./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/recursive-simple/sum_15x0-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/recursive-simple/sum_15x0-2.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 610248c6c4c4e7168ba971ed5fa38cec025658aa482465da336c99be91c3aa5c --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 19:39:50,843 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 19:39:50,898 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-10 19:39:50,904 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 19:39:50,904 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 19:39:50,925 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 19:39:50,925 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 19:39:50,926 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 19:39:50,926 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 19:39:50,929 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 19:39:50,929 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 19:39:50,929 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 19:39:50,930 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 19:39:50,930 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 19:39:50,930 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 19:39:50,930 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 19:39:50,930 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 19:39:50,930 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 19:39:50,931 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 19:39:50,931 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 19:39:50,931 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 19:39:50,932 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 19:39:50,932 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 19:39:50,933 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 19:39:50,933 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 19:39:50,933 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 19:39:50,933 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 19:39:50,933 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 19:39:50,934 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 19:39:50,934 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 19:39:50,934 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 19:39:50,934 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 19:39:50,934 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 19:39:50,934 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 19:39:50,934 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 19:39:50,935 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 19:39:50,935 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 19:39:50,935 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 19:39:50,935 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 19:39:50,935 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 19:39:50,935 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 19:39:50,936 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 19:39:50,937 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 19:39:50,937 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 19:39:50,937 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 610248c6c4c4e7168ba971ed5fa38cec025658aa482465da336c99be91c3aa5c [2024-11-10 19:39:51,118 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 19:39:51,143 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 19:39:51,146 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 19:39:51,147 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 19:39:51,151 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 19:39:51,152 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/sum_15x0-2.c [2024-11-10 19:39:52,369 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 19:39:52,494 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 19:39:52,494 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/sum_15x0-2.c [2024-11-10 19:39:52,499 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ed3b4c76/e0ee9626cff641f2b57f55e059f92021/FLAGbb777ad8e [2024-11-10 19:39:52,921 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ed3b4c76/e0ee9626cff641f2b57f55e059f92021 [2024-11-10 19:39:52,925 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 19:39:52,926 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 19:39:52,927 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 19:39:52,927 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 19:39:52,931 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 19:39:52,932 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:39:52" (1/1) ... [2024-11-10 19:39:52,932 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74d6c56c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:39:52, skipping insertion in model container [2024-11-10 19:39:52,933 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:39:52" (1/1) ... [2024-11-10 19:39:52,945 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 19:39:53,071 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 19:39:53,080 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 19:39:53,092 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 19:39:53,105 INFO L204 MainTranslator]: Completed translation [2024-11-10 19:39:53,105 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:39:53 WrapperNode [2024-11-10 19:39:53,107 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 19:39:53,108 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 19:39:53,108 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 19:39:53,108 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 19:39:53,113 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:39:53" (1/1) ... [2024-11-10 19:39:53,118 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:39:53" (1/1) ... [2024-11-10 19:39:53,128 INFO L138 Inliner]: procedures = 12, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 22 [2024-11-10 19:39:53,128 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 19:39:53,129 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 19:39:53,129 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 19:39:53,129 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 19:39:53,135 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:39:53" (1/1) ... [2024-11-10 19:39:53,136 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:39:53" (1/1) ... [2024-11-10 19:39:53,136 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:39:53" (1/1) ... [2024-11-10 19:39:53,144 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]. [2024-11-10 19:39:53,145 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:39:53" (1/1) ... [2024-11-10 19:39:53,145 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:39:53" (1/1) ... [2024-11-10 19:39:53,147 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:39:53" (1/1) ... [2024-11-10 19:39:53,147 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:39:53" (1/1) ... [2024-11-10 19:39:53,147 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:39:53" (1/1) ... [2024-11-10 19:39:53,148 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:39:53" (1/1) ... [2024-11-10 19:39:53,148 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 19:39:53,149 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 19:39:53,149 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 19:39:53,149 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 19:39:53,150 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:39:53" (1/1) ... [2024-11-10 19:39:53,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 19:39:53,163 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:39:53,176 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) [2024-11-10 19:39:53,178 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 [2024-11-10 19:39:53,214 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 19:39:53,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 19:39:53,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 19:39:53,214 INFO L130 BoogieDeclarations]: Found specification of procedure sum [2024-11-10 19:39:53,215 INFO L138 BoogieDeclarations]: Found implementation of procedure sum [2024-11-10 19:39:53,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 19:39:53,265 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 19:39:53,266 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 19:39:53,366 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L9: havoc #t~ret4; [2024-11-10 19:39:53,379 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-10 19:39:53,380 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 19:39:53,392 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 19:39:53,392 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 19:39:53,393 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:39:53 BoogieIcfgContainer [2024-11-10 19:39:53,393 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 19:39:53,395 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 19:39:53,395 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 19:39:53,398 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 19:39:53,398 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 07:39:52" (1/3) ... [2024-11-10 19:39:53,399 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e223afd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:39:53, skipping insertion in model container [2024-11-10 19:39:53,399 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:39:53" (2/3) ... [2024-11-10 19:39:53,400 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e223afd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:39:53, skipping insertion in model container [2024-11-10 19:39:53,400 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:39:53" (3/3) ... [2024-11-10 19:39:53,401 INFO L112 eAbstractionObserver]: Analyzing ICFG sum_15x0-2.c [2024-11-10 19:39:53,416 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 19:39:53,417 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-11-10 19:39:53,470 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 19:39:53,476 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;@465d9b6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 19:39:53,477 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-10 19:39:53,481 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) [2024-11-10 19:39:53,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-10 19:39:53,486 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:39:53,486 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-10 19:39:53,487 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting sumErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-10 19:39:53,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:39:53,492 INFO L85 PathProgramCache]: Analyzing trace with hash 1242256818, now seen corresponding path program 1 times [2024-11-10 19:39:53,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:39:53,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246157144] [2024-11-10 19:39:53,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:39:53,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:39:53,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:53,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:39:53,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:39:53,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246157144] [2024-11-10 19:39:53,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [246157144] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:39:53,695 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:39:53,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 19:39:53,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960256180] [2024-11-10 19:39:53,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:39:53,700 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:39:53,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:39:53,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:39:53,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:39:53,754 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) [2024-11-10 19:39:53,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:39:53,851 INFO L93 Difference]: Finished difference Result 64 states and 67 transitions. [2024-11-10 19:39:53,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:39:53,853 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 [2024-11-10 19:39:53,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:39:53,857 INFO L225 Difference]: With dead ends: 64 [2024-11-10 19:39:53,857 INFO L226 Difference]: Without dead ends: 40 [2024-11-10 19:39:53,859 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 [2024-11-10 19:39:53,864 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 23 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s 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 [2024-11-10 19:39:53,865 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] [2024-11-10 19:39:53,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2024-11-10 19:39:53,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 37. [2024-11-10 19:39:53,887 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) [2024-11-10 19:39:53,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 41 transitions. [2024-11-10 19:39:53,889 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 41 transitions. Word has length 6 [2024-11-10 19:39:53,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:39:53,889 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 41 transitions. [2024-11-10 19:39:53,890 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) [2024-11-10 19:39:53,890 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 41 transitions. [2024-11-10 19:39:53,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-10 19:39:53,890 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:39:53,890 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:39:53,890 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 19:39:53,891 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting sumErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-10 19:39:53,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:39:53,891 INFO L85 PathProgramCache]: Analyzing trace with hash -144743008, now seen corresponding path program 1 times [2024-11-10 19:39:53,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:39:53,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822461781] [2024-11-10 19:39:53,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:39:53,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:39:53,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:53,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:39:53,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:39:53,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822461781] [2024-11-10 19:39:53,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822461781] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:39:53,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:39:53,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 19:39:53,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591368271] [2024-11-10 19:39:53,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:39:53,951 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:39:53,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:39:53,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:39:53,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:39:53,953 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) [2024-11-10 19:39:54,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:39:54,023 INFO L93 Difference]: Finished difference Result 39 states and 44 transitions. [2024-11-10 19:39:54,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:39:54,024 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 [2024-11-10 19:39:54,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:39:54,027 INFO L225 Difference]: With dead ends: 39 [2024-11-10 19:39:54,027 INFO L226 Difference]: Without dead ends: 38 [2024-11-10 19:39:54,027 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 [2024-11-10 19:39:54,029 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 [2024-11-10 19:39:54,030 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] [2024-11-10 19:39:54,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2024-11-10 19:39:54,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 36. [2024-11-10 19:39:54,038 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) [2024-11-10 19:39:54,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 39 transitions. [2024-11-10 19:39:54,039 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 39 transitions. Word has length 7 [2024-11-10 19:39:54,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:39:54,039 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 39 transitions. [2024-11-10 19:39:54,039 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) [2024-11-10 19:39:54,040 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 39 transitions. [2024-11-10 19:39:54,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-10 19:39:54,040 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:39:54,040 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:39:54,040 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 19:39:54,040 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting sumErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-10 19:39:54,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:39:54,041 INFO L85 PathProgramCache]: Analyzing trace with hash -192065958, now seen corresponding path program 1 times [2024-11-10 19:39:54,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:39:54,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096182221] [2024-11-10 19:39:54,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:39:54,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:39:54,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:54,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:39:54,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:39:54,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096182221] [2024-11-10 19:39:54,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096182221] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:39:54,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:39:54,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 19:39:54,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222116672] [2024-11-10 19:39:54,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:39:54,115 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:39:54,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:39:54,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:39:54,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:39:54,117 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) [2024-11-10 19:39:54,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:39:54,168 INFO L93 Difference]: Finished difference Result 38 states and 39 transitions. [2024-11-10 19:39:54,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:39:54,170 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 [2024-11-10 19:39:54,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:39:54,170 INFO L225 Difference]: With dead ends: 38 [2024-11-10 19:39:54,170 INFO L226 Difference]: Without dead ends: 36 [2024-11-10 19:39:54,171 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 [2024-11-10 19:39:54,171 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 [2024-11-10 19:39:54,172 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] [2024-11-10 19:39:54,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2024-11-10 19:39:54,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2024-11-10 19:39:54,176 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) [2024-11-10 19:39:54,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 37 transitions. [2024-11-10 19:39:54,178 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 37 transitions. Word has length 8 [2024-11-10 19:39:54,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:39:54,178 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 37 transitions. [2024-11-10 19:39:54,178 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) [2024-11-10 19:39:54,178 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 37 transitions. [2024-11-10 19:39:54,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-10 19:39:54,179 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:39:54,179 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:39:54,179 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 19:39:54,179 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting sumErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-10 19:39:54,181 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:39:54,181 INFO L85 PathProgramCache]: Analyzing trace with hash -1900437619, now seen corresponding path program 1 times [2024-11-10 19:39:54,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:39:54,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184681097] [2024-11-10 19:39:54,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:39:54,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:39:54,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:54,282 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:39:54,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:39:54,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184681097] [2024-11-10 19:39:54,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184681097] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:39:54,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1841982652] [2024-11-10 19:39:54,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:39:54,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:39:54,283 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:39:54,285 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) [2024-11-10 19:39:54,286 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-10 19:39:54,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:54,333 INFO L255 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 19:39:54,336 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:39:54,375 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:39:54,375 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:39:54,437 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:39:54,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1841982652] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:39:54,438 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:39:54,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 12 [2024-11-10 19:39:54,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392973061] [2024-11-10 19:39:54,442 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:39:54,442 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 19:39:54,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:39:54,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 19:39:54,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-11-10 19:39:54,443 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) [2024-11-10 19:39:54,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:39:54,582 INFO L93 Difference]: Finished difference Result 90 states and 99 transitions. [2024-11-10 19:39:54,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 19:39:54,582 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 [2024-11-10 19:39:54,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:39:54,583 INFO L225 Difference]: With dead ends: 90 [2024-11-10 19:39:54,585 INFO L226 Difference]: Without dead ends: 73 [2024-11-10 19:39:54,586 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 [2024-11-10 19:39:54,586 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 [2024-11-10 19:39:54,586 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] [2024-11-10 19:39:54,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-11-10 19:39:54,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 65. [2024-11-10 19:39:54,598 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) [2024-11-10 19:39:54,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 72 transitions. [2024-11-10 19:39:54,600 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 72 transitions. Word has length 13 [2024-11-10 19:39:54,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:39:54,600 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 72 transitions. [2024-11-10 19:39:54,601 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) [2024-11-10 19:39:54,601 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 72 transitions. [2024-11-10 19:39:54,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-10 19:39:54,601 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:39:54,601 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:39:54,615 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-10 19:39:54,805 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 [2024-11-10 19:39:54,806 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting sumErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-10 19:39:54,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:39:54,807 INFO L85 PathProgramCache]: Analyzing trace with hash -959410827, now seen corresponding path program 1 times [2024-11-10 19:39:54,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:39:54,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426088728] [2024-11-10 19:39:54,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:39:54,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:39:54,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:54,893 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:39:54,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:39:54,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426088728] [2024-11-10 19:39:54,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426088728] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:39:54,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1710251624] [2024-11-10 19:39:54,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:39:54,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:39:54,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:39:54,895 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) [2024-11-10 19:39:54,896 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-10 19:39:54,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:54,923 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:39:54,925 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:39:54,965 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:39:54,966 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:39:54,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1710251624] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:39:54,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:39:54,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-11-10 19:39:54,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774766253] [2024-11-10 19:39:54,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:39:54,967 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:39:54,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:39:54,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:39:54,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:39:54,968 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) [2024-11-10 19:39:55,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:39:55,013 INFO L93 Difference]: Finished difference Result 67 states and 75 transitions. [2024-11-10 19:39:55,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:39:55,014 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 [2024-11-10 19:39:55,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:39:55,016 INFO L225 Difference]: With dead ends: 67 [2024-11-10 19:39:55,016 INFO L226 Difference]: Without dead ends: 66 [2024-11-10 19:39:55,016 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-11-10 19:39:55,017 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 [2024-11-10 19:39:55,018 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] [2024-11-10 19:39:55,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2024-11-10 19:39:55,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 64. [2024-11-10 19:39:55,028 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) [2024-11-10 19:39:55,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 68 transitions. [2024-11-10 19:39:55,030 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 68 transitions. Word has length 15 [2024-11-10 19:39:55,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:39:55,030 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 68 transitions. [2024-11-10 19:39:55,030 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) [2024-11-10 19:39:55,031 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 68 transitions. [2024-11-10 19:39:55,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-10 19:39:55,031 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:39:55,031 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-10 19:39:55,043 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-10 19:39:55,231 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 [2024-11-10 19:39:55,232 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting sumErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-10 19:39:55,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:39:55,232 INFO L85 PathProgramCache]: Analyzing trace with hash 323035427, now seen corresponding path program 1 times [2024-11-10 19:39:55,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:39:55,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236004402] [2024-11-10 19:39:55,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:39:55,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:39:55,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:55,322 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:39:55,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:39:55,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236004402] [2024-11-10 19:39:55,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236004402] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:39:55,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [250975932] [2024-11-10 19:39:55,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:39:55,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:39:55,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:39:55,324 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) [2024-11-10 19:39:55,325 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-10 19:39:55,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:55,356 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 19:39:55,356 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:39:55,409 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:39:55,409 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:39:55,460 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:39:55,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [250975932] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:39:55,461 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:39:55,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 14 [2024-11-10 19:39:55,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306189516] [2024-11-10 19:39:55,461 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:39:55,461 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-10 19:39:55,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:39:55,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-10 19:39:55,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2024-11-10 19:39:55,462 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) [2024-11-10 19:39:55,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:39:55,575 INFO L93 Difference]: Finished difference Result 67 states and 71 transitions. [2024-11-10 19:39:55,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 19:39:55,576 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 [2024-11-10 19:39:55,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:39:55,576 INFO L225 Difference]: With dead ends: 67 [2024-11-10 19:39:55,576 INFO L226 Difference]: Without dead ends: 66 [2024-11-10 19:39:55,577 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 [2024-11-10 19:39:55,577 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 [2024-11-10 19:39:55,577 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] [2024-11-10 19:39:55,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2024-11-10 19:39:55,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 64. [2024-11-10 19:39:55,583 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) [2024-11-10 19:39:55,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 65 transitions. [2024-11-10 19:39:55,586 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 65 transitions. Word has length 16 [2024-11-10 19:39:55,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:39:55,586 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 65 transitions. [2024-11-10 19:39:55,586 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) [2024-11-10 19:39:55,586 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 65 transitions. [2024-11-10 19:39:55,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-10 19:39:55,587 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:39:55,587 INFO L215 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1] [2024-11-10 19:39:55,600 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-10 19:39:55,788 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 [2024-11-10 19:39:55,788 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting sumErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-10 19:39:55,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:39:55,789 INFO L85 PathProgramCache]: Analyzing trace with hash -1802042126, now seen corresponding path program 2 times [2024-11-10 19:39:55,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:39:55,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914791664] [2024-11-10 19:39:55,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:39:55,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:39:55,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:55,944 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:39:55,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:39:55,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914791664] [2024-11-10 19:39:55,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914791664] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:39:55,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1429822631] [2024-11-10 19:39:55,945 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 19:39:55,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:39:55,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:39:55,946 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) [2024-11-10 19:39:55,947 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-10 19:39:55,978 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 19:39:55,978 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:39:55,979 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-10 19:39:55,980 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:39:56,017 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:39:56,018 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:39:56,163 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:39:56,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1429822631] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:39:56,163 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:39:56,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 24 [2024-11-10 19:39:56,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650198686] [2024-11-10 19:39:56,164 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:39:56,164 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-10 19:39:56,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:39:56,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-10 19:39:56,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=416, Unknown=0, NotChecked=0, Total=552 [2024-11-10 19:39:56,167 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) [2024-11-10 19:39:56,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:39:56,415 INFO L93 Difference]: Finished difference Result 157 states and 169 transitions. [2024-11-10 19:39:56,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-10 19:39:56,416 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 [2024-11-10 19:39:56,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:39:56,417 INFO L225 Difference]: With dead ends: 157 [2024-11-10 19:39:56,417 INFO L226 Difference]: Without dead ends: 132 [2024-11-10 19:39:56,418 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=311, Invalid=811, Unknown=0, NotChecked=0, Total=1122 [2024-11-10 19:39:56,418 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, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:39:56,419 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 302 Invalid, 242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:39:56,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2024-11-10 19:39:56,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 124. [2024-11-10 19:39:56,438 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) [2024-11-10 19:39:56,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 131 transitions. [2024-11-10 19:39:56,450 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 131 transitions. Word has length 34 [2024-11-10 19:39:56,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:39:56,450 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 131 transitions. [2024-11-10 19:39:56,450 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) [2024-11-10 19:39:56,451 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 131 transitions. [2024-11-10 19:39:56,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-10 19:39:56,451 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:39:56,451 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1] [2024-11-10 19:39:56,464 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-10 19:39:56,655 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 [2024-11-10 19:39:56,656 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting sumErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-10 19:39:56,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:39:56,656 INFO L85 PathProgramCache]: Analyzing trace with hash -1839495778, now seen corresponding path program 2 times [2024-11-10 19:39:56,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:39:56,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545418307] [2024-11-10 19:39:56,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:39:56,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:39:56,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:56,804 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:39:56,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:39:56,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545418307] [2024-11-10 19:39:56,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [545418307] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:39:56,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1896255544] [2024-11-10 19:39:56,806 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 19:39:56,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:39:56,806 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:39:56,809 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) [2024-11-10 19:39:56,810 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-10 19:39:56,848 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 19:39:56,848 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:39:56,849 INFO L255 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-10 19:39:56,850 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:39:56,916 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:39:56,916 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:39:57,087 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:39:57,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1896255544] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:39:57,088 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:39:57,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 26 [2024-11-10 19:39:57,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103117777] [2024-11-10 19:39:57,088 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:39:57,089 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-10 19:39:57,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:39:57,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-10 19:39:57,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=164, Invalid=538, Unknown=0, NotChecked=0, Total=702 [2024-11-10 19:39:57,091 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) [2024-11-10 19:39:57,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:39:57,322 INFO L93 Difference]: Finished difference Result 127 states and 134 transitions. [2024-11-10 19:39:57,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-10 19:39:57,322 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 [2024-11-10 19:39:57,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:39:57,324 INFO L225 Difference]: With dead ends: 127 [2024-11-10 19:39:57,324 INFO L226 Difference]: Without dead ends: 126 [2024-11-10 19:39:57,324 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 [2024-11-10 19:39:57,325 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 [2024-11-10 19:39:57,326 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] [2024-11-10 19:39:57,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2024-11-10 19:39:57,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 124. [2024-11-10 19:39:57,337 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) [2024-11-10 19:39:57,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 125 transitions. [2024-11-10 19:39:57,338 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 125 transitions. Word has length 37 [2024-11-10 19:39:57,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:39:57,338 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 125 transitions. [2024-11-10 19:39:57,338 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) [2024-11-10 19:39:57,338 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 125 transitions. [2024-11-10 19:39:57,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-10 19:39:57,339 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:39:57,340 INFO L215 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1] [2024-11-10 19:39:57,351 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-10 19:39:57,543 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 [2024-11-10 19:39:57,544 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting sumErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-10 19:39:57,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:39:57,544 INFO L85 PathProgramCache]: Analyzing trace with hash 1163737042, now seen corresponding path program 3 times [2024-11-10 19:39:57,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:39:57,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212390191] [2024-11-10 19:39:57,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:39:57,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:39:57,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:57,879 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 0 proven. 335 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:39:57,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:39:57,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212390191] [2024-11-10 19:39:57,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [212390191] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:39:57,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1853910021] [2024-11-10 19:39:57,880 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-10 19:39:57,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:39:57,880 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:39:57,881 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) [2024-11-10 19:39:57,882 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-10 19:39:57,910 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-10 19:39:57,910 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:39:57,910 INFO L255 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-10 19:39:57,912 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:39:58,001 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2024-11-10 19:39:58,002 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:39:58,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1853910021] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:39:58,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:39:58,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [25] total 29 [2024-11-10 19:39:58,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214685064] [2024-11-10 19:39:58,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:39:58,003 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 19:39:58,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:39:58,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 19:39:58,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=177, Invalid=635, Unknown=0, NotChecked=0, Total=812 [2024-11-10 19:39:58,004 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) [2024-11-10 19:39:58,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:39:58,092 INFO L93 Difference]: Finished difference Result 126 states and 128 transitions. [2024-11-10 19:39:58,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 19:39:58,093 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 [2024-11-10 19:39:58,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:39:58,094 INFO L225 Difference]: With dead ends: 126 [2024-11-10 19:39:58,094 INFO L226 Difference]: Without dead ends: 125 [2024-11-10 19:39:58,095 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 [2024-11-10 19:39:58,095 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 [2024-11-10 19:39:58,095 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] [2024-11-10 19:39:58,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2024-11-10 19:39:58,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 123. [2024-11-10 19:39:58,110 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) [2024-11-10 19:39:58,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 124 transitions. [2024-11-10 19:39:58,110 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 124 transitions. Word has length 76 [2024-11-10 19:39:58,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:39:58,111 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 124 transitions. [2024-11-10 19:39:58,111 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) [2024-11-10 19:39:58,111 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 124 transitions. [2024-11-10 19:39:58,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-10 19:39:58,112 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:39:58,112 INFO L215 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1] [2024-11-10 19:39:58,124 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-10 19:39:58,312 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 [2024-11-10 19:39:58,313 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-10 19:39:58,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:39:58,314 INFO L85 PathProgramCache]: Analyzing trace with hash 1716109919, now seen corresponding path program 1 times [2024-11-10 19:39:58,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:39:58,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547466393] [2024-11-10 19:39:58,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:39:58,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:39:58,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:58,683 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 0 proven. 335 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:39:58,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:39:58,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547466393] [2024-11-10 19:39:58,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547466393] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:39:58,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1051854631] [2024-11-10 19:39:58,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:39:58,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:39:58,684 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:39:58,685 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) [2024-11-10 19:39:58,686 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-10 19:39:58,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:58,729 INFO L255 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-10 19:39:58,730 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:39:59,168 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 0 proven. 335 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:39:59,168 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:39:59,663 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 0 proven. 335 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:39:59,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1051854631] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:39:59,663 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:39:59,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 25] total 58 [2024-11-10 19:39:59,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651406974] [2024-11-10 19:39:59,664 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:39:59,664 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2024-11-10 19:39:59,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:39:59,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2024-11-10 19:39:59,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=434, Invalid=2872, Unknown=0, NotChecked=0, Total=3306 [2024-11-10 19:39:59,666 INFO L87 Difference]: Start difference. First operand 123 states and 124 transitions. Second operand has 58 states, 55 states have (on average 2.8545454545454545) internal successors, (157), 32 states have internal predecessors, (157), 27 states have call successors, (27), 26 states have call predecessors, (27), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:40:00,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:40:00,456 INFO L93 Difference]: Finished difference Result 221 states and 232 transitions. [2024-11-10 19:40:00,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-10 19:40:00,457 INFO L78 Accepts]: Start accepts. Automaton has has 58 states, 55 states have (on average 2.8545454545454545) internal successors, (157), 32 states have internal predecessors, (157), 27 states have call successors, (27), 26 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 77 [2024-11-10 19:40:00,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:40:00,459 INFO L225 Difference]: With dead ends: 221 [2024-11-10 19:40:00,460 INFO L226 Difference]: Without dead ends: 178 [2024-11-10 19:40:00,462 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 107 SyntacticMatches, 14 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2013 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=1265, Invalid=5875, Unknown=0, NotChecked=0, Total=7140 [2024-11-10 19:40:00,462 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 608 mSDsluCounter, 508 mSDsCounter, 0 mSdLazyCounter, 614 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 609 SdHoareTripleChecker+Valid, 551 SdHoareTripleChecker+Invalid, 672 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 614 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:40:00,463 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [609 Valid, 551 Invalid, 672 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 614 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:40:00,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2024-11-10 19:40:00,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 172. [2024-11-10 19:40:00,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 136 states have (on average 1.0514705882352942) internal successors, (143), 138 states have internal predecessors, (143), 17 states have call successors, (17), 16 states have call predecessors, (17), 16 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-10 19:40:00,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 177 transitions. [2024-11-10 19:40:00,472 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 177 transitions. Word has length 77 [2024-11-10 19:40:00,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:40:00,476 INFO L471 AbstractCegarLoop]: Abstraction has 172 states and 177 transitions. [2024-11-10 19:40:00,476 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 55 states have (on average 2.8545454545454545) internal successors, (157), 32 states have internal predecessors, (157), 27 states have call successors, (27), 26 states have call predecessors, (27), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:40:00,476 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 177 transitions. [2024-11-10 19:40:00,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-10 19:40:00,477 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:40:00,477 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 11, 11, 1, 1, 1, 1] [2024-11-10 19:40:00,491 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-10 19:40:00,677 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 [2024-11-10 19:40:00,678 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting sumErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-10 19:40:00,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:40:00,678 INFO L85 PathProgramCache]: Analyzing trace with hash 1605819203, now seen corresponding path program 3 times [2024-11-10 19:40:00,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:40:00,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289474724] [2024-11-10 19:40:00,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:40:00,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:40:00,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:40:01,049 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 0 proven. 451 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:40:01,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:40:01,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289474724] [2024-11-10 19:40:01,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289474724] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:40:01,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [786014218] [2024-11-10 19:40:01,050 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-10 19:40:01,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:40:01,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:40:01,052 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) [2024-11-10 19:40:01,053 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-10 19:40:01,097 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2024-11-10 19:40:01,097 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:40:01,098 INFO L255 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-10 19:40:01,100 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:40:01,204 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 0 proven. 451 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:40:01,204 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:40:01,650 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 0 proven. 451 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:40:01,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [786014218] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:40:01,650 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:40:01,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26, 26] total 54 [2024-11-10 19:40:01,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040051430] [2024-11-10 19:40:01,650 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:40:01,651 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2024-11-10 19:40:01,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:40:01,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2024-11-10 19:40:01,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=710, Invalid=2260, Unknown=0, NotChecked=0, Total=2970 [2024-11-10 19:40:01,652 INFO L87 Difference]: Start difference. First operand 172 states and 177 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) [2024-11-10 19:40:02,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:40:02,312 INFO L93 Difference]: Finished difference Result 319 states and 342 transitions. [2024-11-10 19:40:02,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-11-10 19:40:02,312 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 [2024-11-10 19:40:02,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:40:02,314 INFO L225 Difference]: With dead ends: 319 [2024-11-10 19:40:02,314 INFO L226 Difference]: Without dead ends: 318 [2024-11-10 19:40:02,315 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1360 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=1636, Invalid=4526, Unknown=0, NotChecked=0, Total=6162 [2024-11-10 19:40:02,315 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 608 mSDsluCounter, 522 mSDsCounter, 0 mSdLazyCounter, 476 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 610 SdHoareTripleChecker+Valid, 563 SdHoareTripleChecker+Invalid, 553 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 476 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:40:02,316 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [610 Valid, 563 Invalid, 553 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 476 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:40:02,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2024-11-10 19:40:02,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 289. [2024-11-10 19:40:02,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 235 states have (on average 1.0893617021276596) internal successors, (256), 237 states have internal predecessors, (256), 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) [2024-11-10 19:40:02,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 308 transitions. [2024-11-10 19:40:02,334 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 308 transitions. Word has length 86 [2024-11-10 19:40:02,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:40:02,335 INFO L471 AbstractCegarLoop]: Abstraction has 289 states and 308 transitions. [2024-11-10 19:40:02,335 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) [2024-11-10 19:40:02,335 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 308 transitions. [2024-11-10 19:40:02,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-10 19:40:02,339 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:40:02,339 INFO L215 NwaCegarLoop]: trace histogram [16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1] [2024-11-10 19:40:02,351 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-10 19:40:02,540 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 [2024-11-10 19:40:02,540 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-10 19:40:02,541 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:40:02,541 INFO L85 PathProgramCache]: Analyzing trace with hash -1249504412, now seen corresponding path program 2 times [2024-11-10 19:40:02,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:40:02,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575737016] [2024-11-10 19:40:02,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:40:02,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:40:02,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:40:03,096 INFO L134 CoverageAnalysis]: Checked inductivity of 765 backedges. 0 proven. 765 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:40:03,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:40:03,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575737016] [2024-11-10 19:40:03,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575737016] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:40:03,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1944214482] [2024-11-10 19:40:03,097 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 19:40:03,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:40:03,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:40:03,098 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) [2024-11-10 19:40:03,099 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-10 19:40:03,143 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 19:40:03,143 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:40:03,144 INFO L255 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-10 19:40:03,146 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:40:03,286 INFO L134 CoverageAnalysis]: Checked inductivity of 765 backedges. 0 proven. 765 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:40:03,287 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:40:04,040 INFO L134 CoverageAnalysis]: Checked inductivity of 765 backedges. 0 proven. 765 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:40:04,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1944214482] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:40:04,040 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:40:04,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35, 35] total 73 [2024-11-10 19:40:04,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643779277] [2024-11-10 19:40:04,041 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:40:04,041 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 74 states [2024-11-10 19:40:04,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:40:04,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2024-11-10 19:40:04,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1224, Invalid=4178, Unknown=0, NotChecked=0, Total=5402 [2024-11-10 19:40:04,043 INFO L87 Difference]: Start difference. First operand 289 states and 308 transitions. Second operand has 74 states, 70 states have (on average 2.8714285714285714) internal successors, (201), 41 states have internal predecessors, (201), 34 states have call successors, (34), 33 states have call predecessors, (34), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:40:05,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:40:05,429 INFO L93 Difference]: Finished difference Result 415 states and 455 transitions. [2024-11-10 19:40:05,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2024-11-10 19:40:05,430 INFO L78 Accepts]: Start accepts. Automaton has has 74 states, 70 states have (on average 2.8714285714285714) internal successors, (201), 41 states have internal predecessors, (201), 34 states have call successors, (34), 33 states have call predecessors, (34), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2024-11-10 19:40:05,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:40:05,431 INFO L225 Difference]: With dead ends: 415 [2024-11-10 19:40:05,431 INFO L226 Difference]: Without dead ends: 413 [2024-11-10 19:40:05,434 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 307 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3697 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=3543, Invalid=11709, Unknown=0, NotChecked=0, Total=15252 [2024-11-10 19:40:05,435 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 1029 mSDsluCounter, 588 mSDsCounter, 0 mSdLazyCounter, 598 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1030 SdHoareTripleChecker+Valid, 628 SdHoareTripleChecker+Invalid, 722 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 598 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:40:05,435 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1030 Valid, 628 Invalid, 722 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 598 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:40:05,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2024-11-10 19:40:05,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 379. [2024-11-10 19:40:05,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 379 states, 312 states have (on average 1.0576923076923077) internal successors, (330), 313 states have internal predecessors, (330), 33 states have call successors, (33), 32 states have call predecessors, (33), 32 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-10 19:40:05,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 396 transitions. [2024-11-10 19:40:05,452 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 396 transitions. Word has length 112 [2024-11-10 19:40:05,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:40:05,452 INFO L471 AbstractCegarLoop]: Abstraction has 379 states and 396 transitions. [2024-11-10 19:40:05,452 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 74 states, 70 states have (on average 2.8714285714285714) internal successors, (201), 41 states have internal predecessors, (201), 34 states have call successors, (34), 33 states have call predecessors, (34), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:40:05,453 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 396 transitions. [2024-11-10 19:40:05,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-10 19:40:05,454 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:40:05,454 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:40:05,466 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-10 19:40:05,654 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 [2024-11-10 19:40:05,655 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-10 19:40:05,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:40:05,655 INFO L85 PathProgramCache]: Analyzing trace with hash 1828626209, now seen corresponding path program 1 times [2024-11-10 19:40:05,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:40:05,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757348056] [2024-11-10 19:40:05,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:40:05,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:40:05,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:40:05,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:40:05,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:40:05,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 19:40:05,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:40:05,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 19:40:05,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:40:05,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 19:40:05,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:40:05,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 19:40:05,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:40:05,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 19:40:05,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:40:05,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 19:40:05,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:40:05,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 19:40:05,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:40:05,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 19:40:05,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:40:05,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 19:40:05,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:40:05,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 19:40:05,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:40:05,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 19:40:05,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:40:05,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 19:40:05,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:40:05,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 19:40:05,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:40:05,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 19:40:05,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:40:05,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 19:40:05,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:40:05,889 INFO L134 CoverageAnalysis]: Checked inductivity of 1110 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1110 trivial. 0 not checked. [2024-11-10 19:40:05,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:40:05,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757348056] [2024-11-10 19:40:05,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [757348056] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:40:05,889 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:40:05,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:40:05,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084857143] [2024-11-10 19:40:05,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:40:05,890 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:40:05,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:40:05,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:40:05,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:40:05,891 INFO L87 Difference]: Start difference. First operand 379 states and 396 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) [2024-11-10 19:40:05,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:40:05,905 INFO L93 Difference]: Finished difference Result 379 states and 396 transitions. [2024-11-10 19:40:05,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:40:05,905 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 163 [2024-11-10 19:40:05,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:40:05,906 INFO L225 Difference]: With dead ends: 379 [2024-11-10 19:40:05,906 INFO L226 Difference]: Without dead ends: 228 [2024-11-10 19:40:05,907 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:40:05,907 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 [2024-11-10 19:40:05,907 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] [2024-11-10 19:40:05,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2024-11-10 19:40:05,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 227. [2024-11-10 19:40:05,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 194 states have (on average 1.0051546391752577) internal successors, (195), 194 states have internal predecessors, (195), 32 states have call successors, (32), 32 states have call predecessors, (32), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:40:05,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 227 transitions. [2024-11-10 19:40:05,918 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 227 transitions. Word has length 163 [2024-11-10 19:40:05,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:40:05,919 INFO L471 AbstractCegarLoop]: Abstraction has 227 states and 227 transitions. [2024-11-10 19:40:05,919 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) [2024-11-10 19:40:05,919 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 227 transitions. [2024-11-10 19:40:05,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2024-11-10 19:40:05,921 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:40:05,921 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 32, 32, 31, 31, 1, 1, 1, 1] [2024-11-10 19:40:05,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-10 19:40:05,922 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting sumErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-10 19:40:05,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:40:05,922 INFO L85 PathProgramCache]: Analyzing trace with hash 2070742915, now seen corresponding path program 4 times [2024-11-10 19:40:05,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:40:05,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286960475] [2024-11-10 19:40:05,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:40:05,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:40:05,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:40:06,582 INFO L134 CoverageAnalysis]: Checked inductivity of 3441 backedges. 2537 proven. 0 refuted. 0 times theorem prover too weak. 904 trivial. 0 not checked. [2024-11-10 19:40:06,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:40:06,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286960475] [2024-11-10 19:40:06,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286960475] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:40:06,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:40:06,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2024-11-10 19:40:06,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827815848] [2024-11-10 19:40:06,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:40:06,583 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-11-10 19:40:06,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:40:06,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-11-10 19:40:06,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=307, Invalid=883, Unknown=0, NotChecked=0, Total=1190 [2024-11-10 19:40:06,584 INFO L87 Difference]: Start difference. First operand 227 states and 227 transitions. Second operand has 35 states, 34 states have (on average 2.9705882352941178) internal successors, (101), 19 states have internal predecessors, (101), 17 states have call successors, (17), 17 states have call predecessors, (17), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:40:06,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:40:06,800 INFO L93 Difference]: Finished difference Result 227 states and 227 transitions. [2024-11-10 19:40:06,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-10 19:40:06,801 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 34 states have (on average 2.9705882352941178) internal successors, (101), 19 states have internal predecessors, (101), 17 states have call successors, (17), 17 states have call predecessors, (17), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 226 [2024-11-10 19:40:06,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:40:06,801 INFO L225 Difference]: With dead ends: 227 [2024-11-10 19:40:06,801 INFO L226 Difference]: Without dead ends: 0 [2024-11-10 19:40:06,802 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 435 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=731, Invalid=1819, Unknown=0, NotChecked=0, Total=2550 [2024-11-10 19:40:06,803 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 91 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 416 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 416 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:40:06,803 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 207 Invalid, 416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 416 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:40:06,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-10 19:40:06,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-10 19:40:06,804 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) [2024-11-10 19:40:06,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-10 19:40:06,804 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 226 [2024-11-10 19:40:06,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:40:06,804 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-10 19:40:06,805 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 34 states have (on average 2.9705882352941178) internal successors, (101), 19 states have internal predecessors, (101), 17 states have call successors, (17), 17 states have call predecessors, (17), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:40:06,805 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-10 19:40:06,805 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-10 19:40:06,807 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2024-11-10 19:40:06,807 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2024-11-10 19:40:06,807 INFO L782 garLoopResultBuilder]: Registering result SAFE for location sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2024-11-10 19:40:06,807 INFO L782 garLoopResultBuilder]: Registering result SAFE for location sumErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2024-11-10 19:40:06,808 INFO L782 garLoopResultBuilder]: Registering result SAFE for location sumErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2024-11-10 19:40:06,808 INFO L782 garLoopResultBuilder]: Registering result SAFE for location sumErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2024-11-10 19:40:06,808 INFO L782 garLoopResultBuilder]: Registering result SAFE for location sumErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2024-11-10 19:40:06,808 INFO L782 garLoopResultBuilder]: Registering result SAFE for location sumErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2024-11-10 19:40:06,808 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-10 19:40:06,810 INFO L407 BasicCegarLoop]: Path program histogram: [4, 3, 2, 1, 1, 1, 1, 1] [2024-11-10 19:40:06,812 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-10 19:40:10,238 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 19:40:10,308 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-10 19:40:10,315 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 07:40:10 BoogieIcfgContainer [2024-11-10 19:40:10,316 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 19:40:10,316 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 19:40:10,316 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 19:40:10,316 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 19:40:10,317 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:39:53" (3/4) ... [2024-11-10 19:40:10,321 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-10 19:40:10,324 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure sum [2024-11-10 19:40:10,326 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-10 19:40:10,327 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-10 19:40:10,327 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-10 19:40:10,327 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-10 19:40:10,395 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 19:40:10,396 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-10 19:40:10,396 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 19:40:10,396 INFO L158 Benchmark]: Toolchain (without parser) took 17470.25ms. Allocated memory was 172.0MB in the beginning and 503.3MB in the end (delta: 331.4MB). Free memory was 100.3MB in the beginning and 273.1MB in the end (delta: -172.8MB). Peak memory consumption was 159.9MB. Max. memory is 16.1GB. [2024-11-10 19:40:10,396 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 172.0MB. Free memory is still 124.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 19:40:10,396 INFO L158 Benchmark]: CACSL2BoogieTranslator took 180.38ms. Allocated memory is still 172.0MB. Free memory was 100.0MB in the beginning and 88.2MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-10 19:40:10,397 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.22ms. Allocated memory is still 172.0MB. Free memory was 88.2MB in the beginning and 86.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 19:40:10,398 INFO L158 Benchmark]: Boogie Preprocessor took 20.05ms. Allocated memory is still 172.0MB. Free memory was 86.9MB in the beginning and 85.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 19:40:10,398 INFO L158 Benchmark]: IcfgBuilder took 244.10ms. Allocated memory is still 172.0MB. Free memory was 85.4MB in the beginning and 73.7MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-10 19:40:10,398 INFO L158 Benchmark]: TraceAbstraction took 16920.45ms. Allocated memory was 172.0MB in the beginning and 503.3MB in the end (delta: 331.4MB). Free memory was 73.1MB in the beginning and 279.4MB in the end (delta: -206.4MB). Peak memory consumption was 189.3MB. Max. memory is 16.1GB. [2024-11-10 19:40:10,398 INFO L158 Benchmark]: Witness Printer took 79.74ms. Allocated memory is still 503.3MB. Free memory was 279.4MB in the beginning and 273.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-10 19:40:10,399 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 172.0MB. Free memory is still 124.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 180.38ms. Allocated memory is still 172.0MB. Free memory was 100.0MB in the beginning and 88.2MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 20.22ms. Allocated memory is still 172.0MB. Free memory was 88.2MB in the beginning and 86.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.05ms. Allocated memory is still 172.0MB. Free memory was 86.9MB in the beginning and 85.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 244.10ms. Allocated memory is still 172.0MB. Free memory was 85.4MB in the beginning and 73.7MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 16920.45ms. Allocated memory was 172.0MB in the beginning and 503.3MB in the end (delta: 331.4MB). Free memory was 73.1MB in the beginning and 279.4MB in the end (delta: -206.4MB). Peak memory consumption was 189.3MB. Max. memory is 16.1GB. * Witness Printer took 79.74ms. Allocated memory is still 503.3MB. Free memory was 279.4MB in the beginning and 273.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. 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: 13.4s, OverallIterations: 14, TraceHistogramMax: 32, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 4.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3038 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3021 mSDsluCounter, 3105 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2697 mSDsCounter, 350 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2916 IncrementalHoareTripleChecker+Invalid, 3266 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 350 mSolverCounterUnsat, 408 mSDtfsCounter, 2916 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1217 GetRequests, 722 SyntacticMatches, 14 SemanticMatches, 481 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8231 ImplicationChecksByTransitivity, 5.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=379occurred in iteration=12, InterpolantAutomatonStates: 309, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 14 MinimizatonAttempts, 99 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 6.3s InterpolantComputationTime, 1342 NumberOfCodeBlocks, 1279 NumberOfCodeBlocksAsserted, 38 NumberOfCheckSat, 1687 ConstructedInterpolants, 0 QuantifiedInterpolants, 4367 SizeOfPredicates, 57 NumberOfNonLiveVariables, 1066 ConjunctsInSsa, 132 ConjunctsInUnsatCore, 30 InterpolantComputations, 7 PerfectInterpolantSequences, 4891/10256 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 <= 14) && (0 <= (m + 2147483648))) && (n == 1)) || (((m <= 7) && (0 <= (m + 2147483648))) && (8 == n))) || (((m <= 4) && (0 <= (m + 2147483648))) && (n == 11))) || (((2 == n) && (0 <= (m + 2147483648))) && (m <= 13))) || ((15 == n) && (m == 0))) || (((0 <= (m + 2147483648)) && (n == 13)) && (m <= 2))) || ((((1 <= n) && (0 <= (m + 2147483648))) && (n <= 6)) && (m <= 9))) || ((((n <= 9) && (m <= 6)) && (0 <= n)) && (0 <= (m + 2147483648)))) || (((n == 0) && (m <= 15)) && (0 <= (m + 2147483648)))) || ((((1 <= n) && (m <= 3)) && (n <= 12)) && (0 <= (m + 2147483648)))) || ((((0 <= n) && (0 <= (m + 2147483648))) && (n <= 4)) && (m <= 11))) || (((3 == n) && (m <= 12)) && (0 <= (m + 2147483648)))) || ((((n <= 10) && (0 <= n)) && (0 <= (m + 2147483648))) && (m <= 5))) || (((5 == n) && (0 <= (m + 2147483648))) && (m <= 10))) || (((0 <= (m + 2147483648)) && (14 == n)) && (m <= 1))) || (((m <= 8) && (7 == n)) && (0 <= (m + 2147483648)))) Ensures: ((((((((((((((((((m <= 14) && (0 <= (m + 2147483648))) && (n == 1)) || (((m <= 7) && (0 <= (m + 2147483648))) && (8 == n))) || (((m <= 4) && (0 <= (m + 2147483648))) && (n == 11))) || (((2 == n) && (0 <= (m + 2147483648))) && (m <= 13))) || ((15 == n) && (m == 0))) || (((0 <= (m + 2147483648)) && (n == 13)) && (m <= 2))) || ((((1 <= n) && (0 <= (m + 2147483648))) && (n <= 6)) && (m <= 9))) || ((((n <= 9) && (m <= 6)) && (0 <= n)) && (0 <= (m + 2147483648)))) || (((n == 0) && (m <= 15)) && (0 <= (m + 2147483648)))) || ((((1 <= n) && (m <= 3)) && (n <= 12)) && (0 <= (m + 2147483648)))) || ((((0 <= n) && (0 <= (m + 2147483648))) && (n <= 4)) && (m <= 11))) || (((3 == n) && (m <= 12)) && (0 <= (m + 2147483648)))) || ((((n <= 10) && (0 <= n)) && (0 <= (m + 2147483648))) && (m <= 5))) || (((5 == n) && (0 <= (m + 2147483648))) && (m <= 10))) || (((0 <= (m + 2147483648)) && (14 == n)) && (m <= 1))) || (((m <= 8) && (7 == n)) && (0 <= (m + 2147483648)))) RESULT: Ultimate proved your program to be correct! [2024-11-10 19:40:10,431 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE