./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/recursive-simple/sum_10x0-2.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_10x0-2.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 2b1e7360b510ceea1b4f190c67c2656c6deb0030b7718750b71696817135287b --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 19:39:47,563 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 19:39:47,617 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-10 19:39:47,622 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 19:39:47,623 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 19:39:47,647 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 19:39:47,647 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 19:39:47,648 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 19:39:47,648 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 19:39:47,650 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 19:39:47,650 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 19:39:47,650 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 19:39:47,651 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 19:39:47,652 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 19:39:47,652 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 19:39:47,653 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 19:39:47,653 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 19:39:47,653 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 19:39:47,653 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 19:39:47,653 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 19:39:47,654 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 19:39:47,656 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 19:39:47,656 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 19:39:47,656 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 19:39:47,657 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 19:39:47,657 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 19:39:47,657 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 19:39:47,657 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 19:39:47,657 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 19:39:47,658 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 19:39:47,658 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 19:39:47,658 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 19:39:47,658 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 19:39:47,659 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 19:39:47,659 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 19:39:47,660 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 19:39:47,660 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 19:39:47,660 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 19:39:47,660 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 19:39:47,660 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 19:39:47,660 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 19:39:47,661 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 19:39:47,661 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 19:39:47,661 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 19:39:47,662 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b1e7360b510ceea1b4f190c67c2656c6deb0030b7718750b71696817135287b [2024-11-10 19:39:47,864 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 19:39:47,882 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 19:39:47,884 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 19:39:47,885 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 19:39:47,885 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 19:39:47,886 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/sum_10x0-2.c [2024-11-10 19:39:49,201 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 19:39:49,334 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 19:39:49,335 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/sum_10x0-2.c [2024-11-10 19:39:49,340 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e54d6cdc/dd1466e62e5940ff94f940c120804c21/FLAG83692d504 [2024-11-10 19:39:49,351 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e54d6cdc/dd1466e62e5940ff94f940c120804c21 [2024-11-10 19:39:49,354 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 19:39:49,356 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 19:39:49,358 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 19:39:49,358 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 19:39:49,362 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 19:39:49,362 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:39:49" (1/1) ... [2024-11-10 19:39:49,363 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1501c06d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:39:49, skipping insertion in model container [2024-11-10 19:39:49,363 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:39:49" (1/1) ... [2024-11-10 19:39:49,379 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 19:39:49,532 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 19:39:49,542 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 19:39:49,556 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 19:39:49,592 INFO L204 MainTranslator]: Completed translation [2024-11-10 19:39:49,593 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:39:49 WrapperNode [2024-11-10 19:39:49,593 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 19:39:49,594 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 19:39:49,594 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 19:39:49,594 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 19:39:49,599 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:39:49" (1/1) ... [2024-11-10 19:39:49,604 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:39:49" (1/1) ... [2024-11-10 19:39:49,625 INFO L138 Inliner]: procedures = 12, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 22 [2024-11-10 19:39:49,627 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 19:39:49,627 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 19:39:49,627 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 19:39:49,628 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 19:39:49,635 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:39:49" (1/1) ... [2024-11-10 19:39:49,635 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:39:49" (1/1) ... [2024-11-10 19:39:49,636 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:39:49" (1/1) ... [2024-11-10 19:39:49,647 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 19:39:49,648 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:39:49" (1/1) ... [2024-11-10 19:39:49,648 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:39:49" (1/1) ... [2024-11-10 19:39:49,649 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:39:49" (1/1) ... [2024-11-10 19:39:49,650 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:39:49" (1/1) ... [2024-11-10 19:39:49,651 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:39:49" (1/1) ... [2024-11-10 19:39:49,655 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:39:49" (1/1) ... [2024-11-10 19:39:49,656 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 19:39:49,656 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 19:39:49,656 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 19:39:49,657 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 19:39:49,657 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:39:49" (1/1) ... [2024-11-10 19:39:49,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 19:39:49,672 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:39:49,683 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 19:39:49,685 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 19:39:49,746 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 19:39:49,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 19:39:49,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 19:39:49,747 INFO L130 BoogieDeclarations]: Found specification of procedure sum [2024-11-10 19:39:49,747 INFO L138 BoogieDeclarations]: Found implementation of procedure sum [2024-11-10 19:39:49,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 19:39:49,799 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 19:39:49,801 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 19:39:49,886 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L9: havoc #t~ret4; [2024-11-10 19:39:49,893 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-10 19:39:49,894 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 19:39:49,904 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 19:39:49,904 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 19:39:49,905 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:39:49 BoogieIcfgContainer [2024-11-10 19:39:49,905 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 19:39:49,907 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 19:39:49,907 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 19:39:49,909 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 19:39:49,909 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 07:39:49" (1/3) ... [2024-11-10 19:39:49,910 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4af6ae5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:39:49, skipping insertion in model container [2024-11-10 19:39:49,910 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:39:49" (2/3) ... [2024-11-10 19:39:49,910 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4af6ae5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:39:49, skipping insertion in model container [2024-11-10 19:39:49,911 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:39:49" (3/3) ... [2024-11-10 19:39:49,912 INFO L112 eAbstractionObserver]: Analyzing ICFG sum_10x0-2.c [2024-11-10 19:39:49,925 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 19:39:49,926 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-11-10 19:39:49,971 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 19:39:49,977 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;@4593c7ef, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 19:39:49,977 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-10 19:39:49,981 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 19:39:49,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-10 19:39:49,986 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:39:49,987 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-10 19:39:49,987 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 19:39:49,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:39:49,991 INFO L85 PathProgramCache]: Analyzing trace with hash 1242256818, now seen corresponding path program 1 times [2024-11-10 19:39:49,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:39:49,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316106366] [2024-11-10 19:39:49,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:39:49,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:39:50,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:50,156 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 19:39:50,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:39:50,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316106366] [2024-11-10 19:39:50,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316106366] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:39:50,157 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:39:50,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 19:39:50,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783629933] [2024-11-10 19:39:50,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:39:50,166 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:39:50,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:39:50,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:39:50,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:39:50,186 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 19:39:50,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:39:50,314 INFO L93 Difference]: Finished difference Result 64 states and 67 transitions. [2024-11-10 19:39:50,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:39:50,316 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 19:39:50,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:39:50,321 INFO L225 Difference]: With dead ends: 64 [2024-11-10 19:39:50,321 INFO L226 Difference]: Without dead ends: 40 [2024-11-10 19:39:50,324 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 19:39:50,326 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 23 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:39:50,327 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 19:39:50,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2024-11-10 19:39:50,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 37. [2024-11-10 19:39:50,365 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 19:39:50,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 41 transitions. [2024-11-10 19:39:50,367 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 41 transitions. Word has length 6 [2024-11-10 19:39:50,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:39:50,368 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 41 transitions. [2024-11-10 19:39:50,368 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 19:39:50,368 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 41 transitions. [2024-11-10 19:39:50,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-10 19:39:50,369 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:39:50,369 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:39:50,369 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 19:39:50,373 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 19:39:50,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:39:50,378 INFO L85 PathProgramCache]: Analyzing trace with hash -144743008, now seen corresponding path program 1 times [2024-11-10 19:39:50,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:39:50,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584219762] [2024-11-10 19:39:50,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:39:50,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:39:50,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:50,449 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 19:39:50,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:39:50,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584219762] [2024-11-10 19:39:50,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584219762] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:39:50,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:39:50,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 19:39:50,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908725135] [2024-11-10 19:39:50,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:39:50,451 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:39:50,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:39:50,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:39:50,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:39:50,452 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 19:39:50,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:39:50,517 INFO L93 Difference]: Finished difference Result 39 states and 44 transitions. [2024-11-10 19:39:50,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:39:50,518 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 19:39:50,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:39:50,520 INFO L225 Difference]: With dead ends: 39 [2024-11-10 19:39:50,520 INFO L226 Difference]: Without dead ends: 38 [2024-11-10 19:39:50,520 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 19:39:50,521 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, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:39:50,521 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 29 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:39:50,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2024-11-10 19:39:50,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 36. [2024-11-10 19:39:50,533 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 19:39:50,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 39 transitions. [2024-11-10 19:39:50,534 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 39 transitions. Word has length 7 [2024-11-10 19:39:50,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:39:50,534 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 39 transitions. [2024-11-10 19:39:50,535 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 19:39:50,535 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 39 transitions. [2024-11-10 19:39:50,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-10 19:39:50,535 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:39:50,536 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:39:50,536 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 19:39:50,537 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 19:39:50,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:39:50,537 INFO L85 PathProgramCache]: Analyzing trace with hash -192065958, now seen corresponding path program 1 times [2024-11-10 19:39:50,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:39:50,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937698960] [2024-11-10 19:39:50,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:39:50,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:39:50,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:50,593 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 19:39:50,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:39:50,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937698960] [2024-11-10 19:39:50,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937698960] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:39:50,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:39:50,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 19:39:50,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518878483] [2024-11-10 19:39:50,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:39:50,595 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:39:50,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:39:50,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:39:50,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:39:50,596 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 19:39:50,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:39:50,643 INFO L93 Difference]: Finished difference Result 38 states and 39 transitions. [2024-11-10 19:39:50,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:39:50,645 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 19:39:50,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:39:50,646 INFO L225 Difference]: With dead ends: 38 [2024-11-10 19:39:50,646 INFO L226 Difference]: Without dead ends: 36 [2024-11-10 19:39:50,648 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 19:39:50,649 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 19:39:50,650 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 19:39:50,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2024-11-10 19:39:50,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2024-11-10 19:39:50,667 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 19:39:50,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 37 transitions. [2024-11-10 19:39:50,668 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 37 transitions. Word has length 8 [2024-11-10 19:39:50,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:39:50,668 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 37 transitions. [2024-11-10 19:39:50,668 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 19:39:50,669 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 37 transitions. [2024-11-10 19:39:50,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-10 19:39:50,669 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:39:50,669 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:39:50,669 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 19:39:50,669 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 19:39:50,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:39:50,670 INFO L85 PathProgramCache]: Analyzing trace with hash -1900437619, now seen corresponding path program 1 times [2024-11-10 19:39:50,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:39:50,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604180907] [2024-11-10 19:39:50,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:39:50,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:39:50,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:50,761 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 19:39:50,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:39:50,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604180907] [2024-11-10 19:39:50,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1604180907] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:39:50,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1652536779] [2024-11-10 19:39:50,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:39:50,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:39:50,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:39:50,764 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 19:39:50,766 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 19:39:50,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:50,805 INFO L255 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 19:39:50,808 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:39:50,882 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 19:39:50,882 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:39:50,932 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 19:39:50,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1652536779] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:39:50,932 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:39:50,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 12 [2024-11-10 19:39:50,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076533417] [2024-11-10 19:39:50,932 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:39:50,932 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 19:39:50,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:39:50,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 19:39:50,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-11-10 19:39:50,933 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 19:39:51,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:39:51,034 INFO L93 Difference]: Finished difference Result 90 states and 99 transitions. [2024-11-10 19:39:51,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 19:39:51,034 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 19:39:51,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:39:51,035 INFO L225 Difference]: With dead ends: 90 [2024-11-10 19:39:51,035 INFO L226 Difference]: Without dead ends: 73 [2024-11-10 19:39:51,036 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 19:39:51,036 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 19:39:51,037 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 19:39:51,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-11-10 19:39:51,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 65. [2024-11-10 19:39:51,042 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 19:39:51,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 72 transitions. [2024-11-10 19:39:51,043 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 72 transitions. Word has length 13 [2024-11-10 19:39:51,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:39:51,043 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 72 transitions. [2024-11-10 19:39:51,043 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 19:39:51,044 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 72 transitions. [2024-11-10 19:39:51,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-10 19:39:51,044 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:39:51,044 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:39:51,057 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 19:39:51,248 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 19:39:51,248 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 19:39:51,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:39:51,249 INFO L85 PathProgramCache]: Analyzing trace with hash -959410827, now seen corresponding path program 1 times [2024-11-10 19:39:51,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:39:51,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496381589] [2024-11-10 19:39:51,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:39:51,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:39:51,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:51,340 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 19:39:51,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:39:51,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496381589] [2024-11-10 19:39:51,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496381589] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:39:51,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [785255120] [2024-11-10 19:39:51,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:39:51,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:39:51,342 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:39:51,346 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 19:39:51,354 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 19:39:51,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:51,383 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:39:51,384 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:39:51,449 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 19:39:51,449 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:39:51,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [785255120] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:39:51,450 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:39:51,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-11-10 19:39:51,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020097784] [2024-11-10 19:39:51,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:39:51,452 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:39:51,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:39:51,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:39:51,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:39:51,456 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 19:39:51,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:39:51,513 INFO L93 Difference]: Finished difference Result 67 states and 75 transitions. [2024-11-10 19:39:51,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:39:51,518 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 19:39:51,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:39:51,519 INFO L225 Difference]: With dead ends: 67 [2024-11-10 19:39:51,519 INFO L226 Difference]: Without dead ends: 66 [2024-11-10 19:39:51,520 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-11-10 19:39:51,520 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 19:39:51,520 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 19:39:51,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2024-11-10 19:39:51,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 64. [2024-11-10 19:39:51,541 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 19:39:51,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 68 transitions. [2024-11-10 19:39:51,548 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 68 transitions. Word has length 15 [2024-11-10 19:39:51,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:39:51,548 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 68 transitions. [2024-11-10 19:39:51,549 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 19:39:51,549 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 68 transitions. [2024-11-10 19:39:51,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-10 19:39:51,549 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:39:51,549 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-10 19:39:51,563 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-10 19:39:51,749 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 19:39:51,750 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 19:39:51,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:39:51,751 INFO L85 PathProgramCache]: Analyzing trace with hash 323035427, now seen corresponding path program 1 times [2024-11-10 19:39:51,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:39:51,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032547631] [2024-11-10 19:39:51,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:39:51,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:39:51,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:51,882 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 19:39:51,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:39:51,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032547631] [2024-11-10 19:39:51,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1032547631] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:39:51,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [824960435] [2024-11-10 19:39:51,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:39:51,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:39:51,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:39:51,888 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 19:39:51,889 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 19:39:51,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:51,921 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 19:39:51,922 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:39:52,033 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 19:39:52,034 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:39:52,089 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 19:39:52,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [824960435] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:39:52,089 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:39:52,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 14 [2024-11-10 19:39:52,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347678975] [2024-11-10 19:39:52,090 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:39:52,090 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-10 19:39:52,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:39:52,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-10 19:39:52,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2024-11-10 19:39:52,091 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 19:39:52,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:39:52,182 INFO L93 Difference]: Finished difference Result 67 states and 71 transitions. [2024-11-10 19:39:52,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 19:39:52,182 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 19:39:52,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:39:52,183 INFO L225 Difference]: With dead ends: 67 [2024-11-10 19:39:52,183 INFO L226 Difference]: Without dead ends: 66 [2024-11-10 19:39:52,183 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 19:39:52,184 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 70 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s 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 19:39:52,184 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 19:39:52,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2024-11-10 19:39:52,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 64. [2024-11-10 19:39:52,191 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 19:39:52,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 65 transitions. [2024-11-10 19:39:52,192 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 65 transitions. Word has length 16 [2024-11-10 19:39:52,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:39:52,192 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 65 transitions. [2024-11-10 19:39:52,192 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 19:39:52,192 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 65 transitions. [2024-11-10 19:39:52,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-10 19:39:52,193 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:39:52,193 INFO L215 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1] [2024-11-10 19:39:52,205 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-10 19:39:52,393 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 19:39:52,394 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 19:39:52,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:39:52,394 INFO L85 PathProgramCache]: Analyzing trace with hash -1802042126, now seen corresponding path program 2 times [2024-11-10 19:39:52,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:39:52,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584304527] [2024-11-10 19:39:52,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:39:52,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:39:52,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:52,552 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 19:39:52,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:39:52,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584304527] [2024-11-10 19:39:52,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584304527] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:39:52,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1995435590] [2024-11-10 19:39:52,553 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 19:39:52,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:39:52,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:39:52,555 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 19:39:52,560 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 19:39:52,595 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 19:39:52,595 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:39:52,596 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-10 19:39:52,597 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:39:52,633 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 19:39:52,633 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:39:52,769 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 19:39:52,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1995435590] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:39:52,770 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:39:52,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 24 [2024-11-10 19:39:52,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988221768] [2024-11-10 19:39:52,770 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:39:52,770 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-10 19:39:52,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:39:52,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-10 19:39:52,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=416, Unknown=0, NotChecked=0, Total=552 [2024-11-10 19:39:52,771 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 19:39:53,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:39:53,001 INFO L93 Difference]: Finished difference Result 157 states and 169 transitions. [2024-11-10 19:39:53,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-10 19:39:53,002 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 19:39:53,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:39:53,003 INFO L225 Difference]: With dead ends: 157 [2024-11-10 19:39:53,003 INFO L226 Difference]: Without dead ends: 132 [2024-11-10 19:39:53,004 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 19:39:53,004 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 19:39:53,005 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 19:39:53,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2024-11-10 19:39:53,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 124. [2024-11-10 19:39:53,014 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 19:39:53,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 131 transitions. [2024-11-10 19:39:53,015 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 131 transitions. Word has length 34 [2024-11-10 19:39:53,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:39:53,015 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 131 transitions. [2024-11-10 19:39:53,015 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 19:39:53,016 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 131 transitions. [2024-11-10 19:39:53,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-10 19:39:53,016 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:39:53,016 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1] [2024-11-10 19:39:53,032 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 19:39:53,220 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 19:39:53,221 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 19:39:53,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:39:53,221 INFO L85 PathProgramCache]: Analyzing trace with hash -1839495778, now seen corresponding path program 2 times [2024-11-10 19:39:53,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:39:53,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136305790] [2024-11-10 19:39:53,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:39:53,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:39:53,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:53,395 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 19:39:53,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:39:53,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136305790] [2024-11-10 19:39:53,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136305790] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:39:53,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1705357287] [2024-11-10 19:39:53,395 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 19:39:53,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:39:53,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:39:53,399 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 19:39:53,413 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 19:39:53,453 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 19:39:53,453 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:39:53,454 INFO L255 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-10 19:39:53,455 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:39:53,546 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 19:39:53,546 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:39:53,726 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 19:39:53,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1705357287] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:39:53,727 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:39:53,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 26 [2024-11-10 19:39:53,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244564571] [2024-11-10 19:39:53,727 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:39:53,727 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-10 19:39:53,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:39:53,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-10 19:39:53,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=164, Invalid=538, Unknown=0, NotChecked=0, Total=702 [2024-11-10 19:39:53,728 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 19:39:53,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:39:53,926 INFO L93 Difference]: Finished difference Result 127 states and 134 transitions. [2024-11-10 19:39:53,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-10 19:39:53,927 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 19:39:53,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:39:53,928 INFO L225 Difference]: With dead ends: 127 [2024-11-10 19:39:53,928 INFO L226 Difference]: Without dead ends: 126 [2024-11-10 19:39:53,928 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 19:39:53,929 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 19:39:53,929 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 19:39:53,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2024-11-10 19:39:53,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 124. [2024-11-10 19:39:53,938 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 19:39:53,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 125 transitions. [2024-11-10 19:39:53,939 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 125 transitions. Word has length 37 [2024-11-10 19:39:53,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:39:53,939 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 125 transitions. [2024-11-10 19:39:53,939 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 19:39:53,939 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 125 transitions. [2024-11-10 19:39:53,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-10 19:39:53,940 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:39:53,940 INFO L215 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1] [2024-11-10 19:39:53,953 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-10 19:39:54,141 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 19:39:54,141 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 19:39:54,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:39:54,142 INFO L85 PathProgramCache]: Analyzing trace with hash 1163737042, now seen corresponding path program 3 times [2024-11-10 19:39:54,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:39:54,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413836034] [2024-11-10 19:39:54,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:39:54,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:39:54,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:54,507 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 212 proven. 123 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:39:54,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:39:54,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413836034] [2024-11-10 19:39:54,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413836034] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:39:54,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1401519520] [2024-11-10 19:39:54,507 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-10 19:39:54,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:39:54,508 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:39:54,509 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 19:39:54,510 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 19:39:54,538 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-10 19:39:54,538 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:39:54,539 INFO L255 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-10 19:39:54,541 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:39:54,614 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 19:39:54,614 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:39:54,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1401519520] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:39:54,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:39:54,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [24] total 28 [2024-11-10 19:39:54,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066394085] [2024-11-10 19:39:54,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:39:54,615 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 19:39:54,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:39:54,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 19:39:54,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=684, Unknown=0, NotChecked=0, Total=812 [2024-11-10 19:39:54,616 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 19:39:54,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:39:54,675 INFO L93 Difference]: Finished difference Result 126 states and 128 transitions. [2024-11-10 19:39:54,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 19:39:54,675 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 19:39:54,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:39:54,676 INFO L225 Difference]: With dead ends: 126 [2024-11-10 19:39:54,676 INFO L226 Difference]: Without dead ends: 125 [2024-11-10 19:39:54,676 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 213 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=144, Invalid=848, Unknown=0, NotChecked=0, Total=992 [2024-11-10 19:39:54,677 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 19:39:54,677 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 19:39:54,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2024-11-10 19:39:54,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 123. [2024-11-10 19:39:54,685 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 19:39:54,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 124 transitions. [2024-11-10 19:39:54,689 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 124 transitions. Word has length 76 [2024-11-10 19:39:54,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:39:54,689 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 124 transitions. [2024-11-10 19:39:54,690 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 19:39:54,690 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 124 transitions. [2024-11-10 19:39:54,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-10 19:39:54,691 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:39:54,691 INFO L215 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1] [2024-11-10 19:39:54,714 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-10 19:39:54,891 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 19:39:54,892 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 19:39:54,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:39:54,895 INFO L85 PathProgramCache]: Analyzing trace with hash 1716109919, now seen corresponding path program 1 times [2024-11-10 19:39:54,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:39:54,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208683763] [2024-11-10 19:39:54,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:39:54,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:39:54,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:55,314 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 19:39:55,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:39:55,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208683763] [2024-11-10 19:39:55,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208683763] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:39:55,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [887886388] [2024-11-10 19:39:55,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:39:55,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:39:55,316 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:39:55,317 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 19:39:55,318 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 19:39:55,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:55,362 INFO L255 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-10 19:39:55,364 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:39:55,478 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 19:39:55,478 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:39:55,980 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 19:39:55,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [887886388] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:39:55,980 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:39:55,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 25] total 53 [2024-11-10 19:39:55,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306879178] [2024-11-10 19:39:55,981 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:39:55,981 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2024-11-10 19:39:55,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:39:55,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2024-11-10 19:39:55,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=629, Invalid=2233, Unknown=0, NotChecked=0, Total=2862 [2024-11-10 19:39:55,983 INFO L87 Difference]: Start difference. First operand 123 states and 124 transitions. Second operand has 54 states, 50 states have (on average 2.82) internal successors, (141), 31 states have internal predecessors, (141), 24 states have call successors, (24), 23 states have call predecessors, (24), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:39:56,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:39:56,856 INFO L93 Difference]: Finished difference Result 291 states and 325 transitions. [2024-11-10 19:39:56,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-11-10 19:39:56,857 INFO L78 Accepts]: Start accepts. Automaton has has 54 states, 50 states have (on average 2.82) internal successors, (141), 31 states have internal predecessors, (141), 24 states have call successors, (24), 23 states have call predecessors, (24), 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 19:39:56,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:39:56,858 INFO L225 Difference]: With dead ends: 291 [2024-11-10 19:39:56,858 INFO L226 Difference]: Without dead ends: 289 [2024-11-10 19:39:56,861 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1882 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1788, Invalid=6044, Unknown=0, NotChecked=0, Total=7832 [2024-11-10 19:39:56,861 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 822 mSDsluCounter, 417 mSDsCounter, 0 mSdLazyCounter, 445 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 823 SdHoareTripleChecker+Valid, 447 SdHoareTripleChecker+Invalid, 554 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 445 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:39:56,861 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [823 Valid, 447 Invalid, 554 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 445 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:39:56,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2024-11-10 19:39:56,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 265. [2024-11-10 19:39:56,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 265 states, 217 states have (on average 1.064516129032258) internal successors, (231), 219 states have internal predecessors, (231), 23 states have call successors, (23), 22 states have call predecessors, (23), 22 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-10 19:39:56,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 277 transitions. [2024-11-10 19:39:56,876 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 277 transitions. Word has length 77 [2024-11-10 19:39:56,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:39:56,877 INFO L471 AbstractCegarLoop]: Abstraction has 265 states and 277 transitions. [2024-11-10 19:39:56,877 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 50 states have (on average 2.82) internal successors, (141), 31 states have internal predecessors, (141), 24 states have call successors, (24), 23 states have call predecessors, (24), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:39:56,877 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 277 transitions. [2024-11-10 19:39:56,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-10 19:39:56,878 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:39:56,878 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:39:56,892 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 19:39:57,082 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 19:39:57,082 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-10 19:39:57,083 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:39:57,083 INFO L85 PathProgramCache]: Analyzing trace with hash 1671054385, now seen corresponding path program 1 times [2024-11-10 19:39:57,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:39:57,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101714826] [2024-11-10 19:39:57,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:39:57,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:39:57,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:57,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:39:57,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:57,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 19:39:57,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:57,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 19:39:57,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:57,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 19:39:57,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:57,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 19:39:57,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:57,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 19:39:57,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:57,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 19:39:57,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:57,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 19:39:57,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:57,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 19:39:57,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:57,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 19:39:57,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:57,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 19:39:57,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:57,223 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 490 trivial. 0 not checked. [2024-11-10 19:39:57,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:39:57,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101714826] [2024-11-10 19:39:57,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101714826] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:39:57,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:39:57,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:39:57,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91236836] [2024-11-10 19:39:57,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:39:57,224 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:39:57,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:39:57,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:39:57,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:39:57,225 INFO L87 Difference]: Start difference. First operand 265 states and 277 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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 19:39:57,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:39:57,236 INFO L93 Difference]: Finished difference Result 265 states and 277 transitions. [2024-11-10 19:39:57,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:39:57,237 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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 112 [2024-11-10 19:39:57,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:39:57,238 INFO L225 Difference]: With dead ends: 265 [2024-11-10 19:39:57,238 INFO L226 Difference]: Without dead ends: 264 [2024-11-10 19:39:57,238 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 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 19:39:57,239 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 1 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:39:57,239 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 37 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:39:57,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2024-11-10 19:39:57,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 264. [2024-11-10 19:39:57,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 217 states have (on average 1.0599078341013826) internal successors, (230), 218 states have internal predecessors, (230), 23 states have call successors, (23), 22 states have call predecessors, (23), 22 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-10 19:39:57,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 276 transitions. [2024-11-10 19:39:57,256 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 276 transitions. Word has length 112 [2024-11-10 19:39:57,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:39:57,257 INFO L471 AbstractCegarLoop]: Abstraction has 264 states and 276 transitions. [2024-11-10 19:39:57,257 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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 19:39:57,257 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 276 transitions. [2024-11-10 19:39:57,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-10 19:39:57,261 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:39:57,261 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:39:57,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-10 19:39:57,261 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-10 19:39:57,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:39:57,262 INFO L85 PathProgramCache]: Analyzing trace with hash 263078358, now seen corresponding path program 1 times [2024-11-10 19:39:57,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:39:57,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227243303] [2024-11-10 19:39:57,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:39:57,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:39:57,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:57,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:39:57,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:57,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 19:39:57,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:57,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 19:39:57,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:57,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 19:39:57,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:57,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 19:39:57,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:57,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 19:39:57,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:57,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 19:39:57,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:57,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 19:39:57,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:57,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 19:39:57,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:57,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 19:39:57,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:57,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 19:39:57,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:57,394 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 490 trivial. 0 not checked. [2024-11-10 19:39:57,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:39:57,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227243303] [2024-11-10 19:39:57,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227243303] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:39:57,395 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:39:57,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:39:57,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572356386] [2024-11-10 19:39:57,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:39:57,395 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:39:57,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:39:57,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:39:57,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:39:57,396 INFO L87 Difference]: Start difference. First operand 264 states and 276 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 19:39:57,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:39:57,406 INFO L93 Difference]: Finished difference Result 264 states and 276 transitions. [2024-11-10 19:39:57,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:39:57,406 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 113 [2024-11-10 19:39:57,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:39:57,407 INFO L225 Difference]: With dead ends: 264 [2024-11-10 19:39:57,407 INFO L226 Difference]: Without dead ends: 158 [2024-11-10 19:39:57,408 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 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 19:39:57,408 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 19:39:57,408 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 19:39:57,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2024-11-10 19:39:57,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 157. [2024-11-10 19:39:57,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 134 states have (on average 1.007462686567164) internal successors, (135), 134 states have internal predecessors, (135), 22 states have call successors, (22), 22 states have call predecessors, (22), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:39:57,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 157 transitions. [2024-11-10 19:39:57,416 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 157 transitions. Word has length 113 [2024-11-10 19:39:57,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:39:57,416 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 157 transitions. [2024-11-10 19:39:57,416 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 19:39:57,416 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 157 transitions. [2024-11-10 19:39:57,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-10 19:39:57,419 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:39:57,419 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 22, 22, 21, 21, 1, 1, 1, 1] [2024-11-10 19:39:57,419 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-10 19:39:57,420 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting sumErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-10 19:39:57,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:39:57,420 INFO L85 PathProgramCache]: Analyzing trace with hash -1105232541, now seen corresponding path program 3 times [2024-11-10 19:39:57,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:39:57,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870189734] [2024-11-10 19:39:57,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:39:57,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:39:57,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:57,773 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 1167 proven. 0 refuted. 0 times theorem prover too weak. 429 trivial. 0 not checked. [2024-11-10 19:39:57,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:39:57,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870189734] [2024-11-10 19:39:57,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870189734] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:39:57,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:39:57,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2024-11-10 19:39:57,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085851938] [2024-11-10 19:39:57,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:39:57,774 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-10 19:39:57,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:39:57,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-10 19:39:57,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=443, Unknown=0, NotChecked=0, Total=600 [2024-11-10 19:39:57,776 INFO L87 Difference]: Start difference. First operand 157 states and 157 transitions. Second operand has 25 states, 24 states have (on average 2.9583333333333335) internal successors, (71), 14 states have internal predecessors, (71), 12 states have call successors, (12), 12 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 19:39:57,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:39:57,944 INFO L93 Difference]: Finished difference Result 157 states and 157 transitions. [2024-11-10 19:39:57,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-10 19:39:57,944 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 2.9583333333333335) internal successors, (71), 14 states have internal predecessors, (71), 12 states have call successors, (12), 12 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 156 [2024-11-10 19:39:57,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:39:57,945 INFO L225 Difference]: With dead ends: 157 [2024-11-10 19:39:57,945 INFO L226 Difference]: Without dead ends: 0 [2024-11-10 19:39:57,947 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=366, Invalid=894, Unknown=0, NotChecked=0, Total=1260 [2024-11-10 19:39:57,948 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 61 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 299 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:39:57,949 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 147 Invalid, 299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 299 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:39:57,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-10 19:39:57,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-10 19:39:57,950 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 19:39:57,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-10 19:39:57,951 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 156 [2024-11-10 19:39:57,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:39:57,951 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-10 19:39:57,951 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 2.9583333333333335) internal successors, (71), 14 states have internal predecessors, (71), 12 states have call successors, (12), 12 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 19:39:57,951 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-10 19:39:57,951 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-10 19:39:57,953 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2024-11-10 19:39:57,954 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2024-11-10 19:39:57,954 INFO L782 garLoopResultBuilder]: Registering result SAFE for location sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2024-11-10 19:39:57,954 INFO L782 garLoopResultBuilder]: Registering result SAFE for location sumErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2024-11-10 19:39:57,954 INFO L782 garLoopResultBuilder]: Registering result SAFE for location sumErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2024-11-10 19:39:57,954 INFO L782 garLoopResultBuilder]: Registering result SAFE for location sumErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2024-11-10 19:39:57,955 INFO L782 garLoopResultBuilder]: Registering result SAFE for location sumErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2024-11-10 19:39:57,955 INFO L782 garLoopResultBuilder]: Registering result SAFE for location sumErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2024-11-10 19:39:57,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-10 19:39:57,957 INFO L407 BasicCegarLoop]: Path program histogram: [3, 3, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:39:57,959 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-10 19:39:59,670 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 19:39:59,743 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-10 19:39:59,751 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 07:39:59 BoogieIcfgContainer [2024-11-10 19:39:59,752 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 19:39:59,752 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 19:39:59,752 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 19:39:59,753 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 19:39:59,753 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:39:49" (3/4) ... [2024-11-10 19:39:59,755 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-10 19:39:59,758 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure sum [2024-11-10 19:39:59,760 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-10 19:39:59,761 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-10 19:39:59,761 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-10 19:39:59,761 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-10 19:39:59,825 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 19:39:59,826 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-10 19:39:59,826 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 19:39:59,826 INFO L158 Benchmark]: Toolchain (without parser) took 10470.94ms. Allocated memory was 142.6MB in the beginning and 343.9MB in the end (delta: 201.3MB). Free memory was 72.9MB in the beginning and 258.0MB in the end (delta: -185.1MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. [2024-11-10 19:39:59,827 INFO L158 Benchmark]: CDTParser took 0.63ms. Allocated memory is still 142.6MB. Free memory is still 93.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 19:39:59,827 INFO L158 Benchmark]: CACSL2BoogieTranslator took 235.26ms. Allocated memory is still 142.6MB. Free memory was 72.7MB in the beginning and 113.6MB in the end (delta: -40.9MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. [2024-11-10 19:39:59,827 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.92ms. Allocated memory was 142.6MB in the beginning and 237.0MB in the end (delta: 94.4MB). Free memory was 113.6MB in the beginning and 209.0MB in the end (delta: -95.4MB). Peak memory consumption was 2.9MB. Max. memory is 16.1GB. [2024-11-10 19:39:59,827 INFO L158 Benchmark]: Boogie Preprocessor took 28.52ms. Allocated memory is still 237.0MB. Free memory was 209.0MB in the beginning and 208.0MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 19:39:59,827 INFO L158 Benchmark]: IcfgBuilder took 248.49ms. Allocated memory is still 237.0MB. Free memory was 208.0MB in the beginning and 196.4MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-10 19:39:59,827 INFO L158 Benchmark]: TraceAbstraction took 9845.44ms. Allocated memory was 237.0MB in the beginning and 343.9MB in the end (delta: 107.0MB). Free memory was 195.4MB in the beginning and 263.2MB in the end (delta: -67.8MB). Peak memory consumption was 191.9MB. Max. memory is 16.1GB. [2024-11-10 19:39:59,828 INFO L158 Benchmark]: Witness Printer took 73.67ms. Allocated memory is still 343.9MB. Free memory was 263.2MB in the beginning and 258.0MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 19:39:59,828 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.63ms. Allocated memory is still 142.6MB. Free memory is still 93.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 235.26ms. Allocated memory is still 142.6MB. Free memory was 72.7MB in the beginning and 113.6MB in the end (delta: -40.9MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.92ms. Allocated memory was 142.6MB in the beginning and 237.0MB in the end (delta: 94.4MB). Free memory was 113.6MB in the beginning and 209.0MB in the end (delta: -95.4MB). Peak memory consumption was 2.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.52ms. Allocated memory is still 237.0MB. Free memory was 209.0MB in the beginning and 208.0MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 248.49ms. Allocated memory is still 237.0MB. Free memory was 208.0MB in the beginning and 196.4MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 9845.44ms. Allocated memory was 237.0MB in the beginning and 343.9MB in the end (delta: 107.0MB). Free memory was 195.4MB in the beginning and 263.2MB in the end (delta: -67.8MB). Peak memory consumption was 191.9MB. Max. memory is 16.1GB. * Witness Printer took 73.67ms. Allocated memory is still 343.9MB. Free memory was 263.2MB in the beginning and 258.0MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 17]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 17]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 7]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 7]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 9]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 9]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 9]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 9]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 33 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 8.0s, OverallIterations: 13, TraceHistogramMax: 22, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1583 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1569 mSDsluCounter, 1787 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1468 mSDsCounter, 200 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1559 IncrementalHoareTripleChecker+Invalid, 1759 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 200 mSolverCounterUnsat, 319 mSDtfsCounter, 1559 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 697 GetRequests, 425 SyntacticMatches, 0 SemanticMatches, 272 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2833 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=265occurred in iteration=10, InterpolantAutomatonStates: 191, 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, 13 MinimizatonAttempts, 54 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 938 NumberOfCodeBlocks, 875 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 1090 ConstructedInterpolants, 0 QuantifiedInterpolants, 2576 SizeOfPredicates, 29 NumberOfNonLiveVariables, 598 ConjunctsInSsa, 72 ConjunctsInUnsatCore, 25 InterpolantComputations, 8 PerfectInterpolantSequences, 3128/4633 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: (((((((((((((0 <= (m + 2147483648)) && (n == 1)) && (m <= 9)) || ((((0 <= n) && (n <= 5)) && (0 <= (m + 2147483648))) && (m <= 5))) || (((m <= 7) && (3 == n)) && (0 <= (m + 2147483648)))) || (((n == 0) && (0 <= (m + 2147483648))) && (m <= 10))) || ((((1 <= n) && (n <= 7)) && (m <= 3)) && (0 <= (m + 2147483648)))) || (((m <= 8) && (2 == n)) && (0 <= (m + 2147483648)))) || ((((m <= 6) && (0 <= n)) && (0 <= (m + 2147483648))) && (n <= 4))) || ((n == 10) && (m == 0))) || (((0 <= (m + 2147483648)) && (8 == n)) && (m <= 2))) || (((m <= 4) && (6 == n)) && (0 <= (m + 2147483648)))) || ((((n <= 9) && (0 <= n)) && (0 <= (m + 2147483648))) && (m <= 1))) Ensures: (((((((((((((0 <= (m + 2147483648)) && (n == 1)) && (m <= 9)) || ((((0 <= n) && (n <= 5)) && (0 <= (m + 2147483648))) && (m <= 5))) || (((m <= 7) && (3 == n)) && (0 <= (m + 2147483648)))) || (((n == 0) && (0 <= (m + 2147483648))) && (m <= 10))) || ((((1 <= n) && (n <= 7)) && (m <= 3)) && (0 <= (m + 2147483648)))) || (((m <= 8) && (2 == n)) && (0 <= (m + 2147483648)))) || ((((m <= 6) && (0 <= n)) && (0 <= (m + 2147483648))) && (n <= 4))) || ((n == 10) && (m == 0))) || (((0 <= (m + 2147483648)) && (8 == n)) && (m <= 2))) || (((m <= 4) && (6 == n)) && (0 <= (m + 2147483648)))) || ((((n <= 9) && (0 <= n)) && (0 <= (m + 2147483648))) && (m <= 1))) RESULT: Ultimate proved your program to be correct! [2024-11-10 19:39:59,851 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