./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/recursive-simple/sum_15x0-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/recursive-simple/sum_15x0-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 610248c6c4c4e7168ba971ed5fa38cec025658aa482465da336c99be91c3aa5c --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 11:10:29,140 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 11:10:29,227 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-19 11:10:29,236 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 11:10:29,237 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 11:10:29,273 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 11:10:29,274 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 11:10:29,274 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 11:10:29,275 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 11:10:29,275 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 11:10:29,276 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 11:10:29,276 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 11:10:29,277 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 11:10:29,277 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 11:10:29,277 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 11:10:29,278 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 11:10:29,278 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 11:10:29,279 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 11:10:29,279 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 11:10:29,279 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 11:10:29,283 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 11:10:29,284 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 11:10:29,284 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 11:10:29,285 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 11:10:29,285 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 11:10:29,285 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 11:10:29,285 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 11:10:29,286 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 11:10:29,286 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 11:10:29,286 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 11:10:29,286 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 11:10:29,287 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 11:10:29,287 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 11:10:29,288 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 11:10:29,288 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 11:10:29,288 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 11:10:29,289 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 11:10:29,289 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 11:10:29,289 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 11:10:29,289 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 11:10:29,290 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 11:10:29,290 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 11:10:29,290 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 11:10:29,290 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 11:10:29,291 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 610248c6c4c4e7168ba971ed5fa38cec025658aa482465da336c99be91c3aa5c [2024-11-19 11:10:29,555 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 11:10:29,583 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 11:10:29,586 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 11:10:29,588 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 11:10:29,588 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 11:10:29,589 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/sum_15x0-2.c [2024-11-19 11:10:31,086 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 11:10:31,256 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 11:10:31,256 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/sum_15x0-2.c [2024-11-19 11:10:31,263 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/117a232a2/fea580a01f5441eb91d207500fb14ce1/FLAG3ce35a65e [2024-11-19 11:10:31,654 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/117a232a2/fea580a01f5441eb91d207500fb14ce1 [2024-11-19 11:10:31,656 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 11:10:31,658 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 11:10:31,659 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 11:10:31,659 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 11:10:31,664 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 11:10:31,665 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:10:31" (1/1) ... [2024-11-19 11:10:31,666 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2df42392 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:10:31, skipping insertion in model container [2024-11-19 11:10:31,666 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:10:31" (1/1) ... [2024-11-19 11:10:31,686 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 11:10:31,862 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 11:10:31,872 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 11:10:31,887 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 11:10:31,900 INFO L204 MainTranslator]: Completed translation [2024-11-19 11:10:31,900 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:10:31 WrapperNode [2024-11-19 11:10:31,900 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 11:10:31,901 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 11:10:31,902 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 11:10:31,902 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 11:10:31,908 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:10:31" (1/1) ... [2024-11-19 11:10:31,914 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:10:31" (1/1) ... [2024-11-19 11:10:31,930 INFO L138 Inliner]: procedures = 12, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 22 [2024-11-19 11:10:31,930 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 11:10:31,931 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 11:10:31,931 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 11:10:31,931 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 11:10:31,938 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:10:31" (1/1) ... [2024-11-19 11:10:31,939 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:10:31" (1/1) ... [2024-11-19 11:10:31,940 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:10:31" (1/1) ... [2024-11-19 11:10:31,950 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]. [2024-11-19 11:10:31,950 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:10:31" (1/1) ... [2024-11-19 11:10:31,950 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:10:31" (1/1) ... [2024-11-19 11:10:31,953 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:10:31" (1/1) ... [2024-11-19 11:10:31,954 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:10:31" (1/1) ... [2024-11-19 11:10:31,955 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:10:31" (1/1) ... [2024-11-19 11:10:31,955 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:10:31" (1/1) ... [2024-11-19 11:10:31,957 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 11:10:31,958 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 11:10:31,958 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 11:10:31,958 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 11:10:31,960 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:10:31" (1/1) ... [2024-11-19 11:10:31,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 11:10:31,976 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:10:31,993 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) [2024-11-19 11:10:32,000 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 [2024-11-19 11:10:32,049 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 11:10:32,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 11:10:32,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 11:10:32,049 INFO L130 BoogieDeclarations]: Found specification of procedure sum [2024-11-19 11:10:32,049 INFO L138 BoogieDeclarations]: Found implementation of procedure sum [2024-11-19 11:10:32,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 11:10:32,114 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 11:10:32,116 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 11:10:32,225 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-19 11:10:32,226 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 11:10:32,238 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 11:10:32,239 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-19 11:10:32,239 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:10:32 BoogieIcfgContainer [2024-11-19 11:10:32,239 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 11:10:32,244 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 11:10:32,248 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 11:10:32,256 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 11:10:32,256 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 11:10:31" (1/3) ... [2024-11-19 11:10:32,257 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ef9d431 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 11:10:32, skipping insertion in model container [2024-11-19 11:10:32,257 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:10:31" (2/3) ... [2024-11-19 11:10:32,259 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ef9d431 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 11:10:32, skipping insertion in model container [2024-11-19 11:10:32,259 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:10:32" (3/3) ... [2024-11-19 11:10:32,261 INFO L112 eAbstractionObserver]: Analyzing ICFG sum_15x0-2.c [2024-11-19 11:10:32,275 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 11:10:32,275 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-11-19 11:10:32,333 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 11:10:32,339 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;@3197be7a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 11:10:32,340 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-19 11:10:32,343 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 20 states have (on average 1.5) internal successors, (30), 28 states have internal predecessors, (30), 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) [2024-11-19 11:10:32,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-19 11:10:32,354 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:10:32,354 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-19 11:10:32,355 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 11:10:32,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:10:32,360 INFO L85 PathProgramCache]: Analyzing trace with hash 890593104, now seen corresponding path program 1 times [2024-11-19 11:10:32,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:10:32,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121366039] [2024-11-19 11:10:32,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:10:32,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:10:32,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:10:32,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 11:10:32,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:10:32,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121366039] [2024-11-19 11:10:32,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121366039] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 11:10:32,609 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 11:10:32,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 11:10:32,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743193435] [2024-11-19 11:10:32,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 11:10:32,614 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 11:10:32,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:10:32,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 11:10:32,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 11:10:32,635 INFO L87 Difference]: Start difference. First operand has 32 states, 20 states have (on average 1.5) internal successors, (30), 28 states have internal predecessors, (30), 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) [2024-11-19 11:10:32,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:10:32,813 INFO L93 Difference]: Finished difference Result 62 states and 65 transitions. [2024-11-19 11:10:32,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 11:10:32,816 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 [2024-11-19 11:10:32,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:10:32,823 INFO L225 Difference]: With dead ends: 62 [2024-11-19 11:10:32,823 INFO L226 Difference]: Without dead ends: 39 [2024-11-19 11:10:32,826 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 [2024-11-19 11:10:32,829 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 23 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 11:10:32,830 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 73 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 11:10:32,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2024-11-19 11:10:32,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 36. [2024-11-19 11:10:32,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 23 states have (on average 1.4782608695652173) internal successors, (34), 30 states have internal predecessors, (34), 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) [2024-11-19 11:10:32,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 40 transitions. [2024-11-19 11:10:32,874 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 40 transitions. Word has length 6 [2024-11-19 11:10:32,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:10:32,874 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 40 transitions. [2024-11-19 11:10:32,875 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) [2024-11-19 11:10:32,875 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 40 transitions. [2024-11-19 11:10:32,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-19 11:10:32,877 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:10:32,877 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-19 11:10:32,877 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 11:10:32,878 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting sumErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 11:10:32,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:10:32,879 INFO L85 PathProgramCache]: Analyzing trace with hash 1838587471, now seen corresponding path program 1 times [2024-11-19 11:10:32,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:10:32,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022880017] [2024-11-19 11:10:32,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:10:32,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:10:32,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:10:32,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 11:10:32,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:10:32,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022880017] [2024-11-19 11:10:32,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022880017] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 11:10:32,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 11:10:32,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 11:10:32,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442292056] [2024-11-19 11:10:32,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 11:10:32,987 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 11:10:32,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:10:32,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 11:10:32,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 11:10:32,989 INFO L87 Difference]: Start difference. First operand 36 states and 40 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) [2024-11-19 11:10:33,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:10:33,074 INFO L93 Difference]: Finished difference Result 38 states and 43 transitions. [2024-11-19 11:10:33,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 11:10:33,074 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 [2024-11-19 11:10:33,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:10:33,076 INFO L225 Difference]: With dead ends: 38 [2024-11-19 11:10:33,077 INFO L226 Difference]: Without dead ends: 37 [2024-11-19 11:10:33,077 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 [2024-11-19 11:10:33,080 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 27 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 11:10:33,081 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 29 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 11:10:33,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2024-11-19 11:10:33,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 35. [2024-11-19 11:10:33,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 23 states have (on average 1.391304347826087) internal successors, (32), 29 states have internal predecessors, (32), 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) [2024-11-19 11:10:33,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 38 transitions. [2024-11-19 11:10:33,098 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 38 transitions. Word has length 7 [2024-11-19 11:10:33,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:10:33,098 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 38 transitions. [2024-11-19 11:10:33,098 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) [2024-11-19 11:10:33,098 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 38 transitions. [2024-11-19 11:10:33,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-19 11:10:33,099 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:10:33,099 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 11:10:33,099 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 11:10:33,099 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting sumErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 11:10:33,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:10:33,100 INFO L85 PathProgramCache]: Analyzing trace with hash 1161636818, now seen corresponding path program 1 times [2024-11-19 11:10:33,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:10:33,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759865835] [2024-11-19 11:10:33,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:10:33,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:10:33,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:10:33,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 11:10:33,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:10:33,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759865835] [2024-11-19 11:10:33,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1759865835] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 11:10:33,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 11:10:33,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 11:10:33,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918556802] [2024-11-19 11:10:33,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 11:10:33,202 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 11:10:33,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:10:33,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 11:10:33,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 11:10:33,203 INFO L87 Difference]: Start difference. First operand 35 states and 38 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) [2024-11-19 11:10:33,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:10:33,273 INFO L93 Difference]: Finished difference Result 37 states and 38 transitions. [2024-11-19 11:10:33,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 11:10:33,274 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 [2024-11-19 11:10:33,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:10:33,275 INFO L225 Difference]: With dead ends: 37 [2024-11-19 11:10:33,276 INFO L226 Difference]: Without dead ends: 35 [2024-11-19 11:10:33,277 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 [2024-11-19 11:10:33,279 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 14 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 11:10:33,280 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 68 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 11:10:33,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2024-11-19 11:10:33,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2024-11-19 11:10:33,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 23 states have (on average 1.3043478260869565) internal successors, (30), 29 states have internal predecessors, (30), 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) [2024-11-19 11:10:33,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 36 transitions. [2024-11-19 11:10:33,289 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 36 transitions. Word has length 8 [2024-11-19 11:10:33,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:10:33,289 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 36 transitions. [2024-11-19 11:10:33,289 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) [2024-11-19 11:10:33,290 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 36 transitions. [2024-11-19 11:10:33,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-19 11:10:33,290 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:10:33,290 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 11:10:33,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 11:10:33,291 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 11:10:33,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:10:33,292 INFO L85 PathProgramCache]: Analyzing trace with hash 1131512701, now seen corresponding path program 1 times [2024-11-19 11:10:33,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:10:33,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128941186] [2024-11-19 11:10:33,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:10:33,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:10:33,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:10:33,413 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 11:10:33,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:10:33,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128941186] [2024-11-19 11:10:33,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128941186] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:10:33,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1895230441] [2024-11-19 11:10:33,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:10:33,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:10:33,414 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:10:33,416 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) [2024-11-19 11:10:33,418 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 11:10:33,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:10:33,463 INFO L255 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-19 11:10:33,467 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:10:33,531 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 11:10:33,532 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:10:33,622 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 11:10:33,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1895230441] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 11:10:33,623 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 11:10:33,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 12 [2024-11-19 11:10:33,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841757569] [2024-11-19 11:10:33,624 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 11:10:33,626 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-19 11:10:33,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:10:33,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-19 11:10:33,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-11-19 11:10:33,629 INFO L87 Difference]: Start difference. First operand 35 states and 36 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) [2024-11-19 11:10:33,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:10:33,785 INFO L93 Difference]: Finished difference Result 88 states and 97 transitions. [2024-11-19 11:10:33,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 11:10:33,785 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 [2024-11-19 11:10:33,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:10:33,787 INFO L225 Difference]: With dead ends: 88 [2024-11-19 11:10:33,787 INFO L226 Difference]: Without dead ends: 72 [2024-11-19 11:10:33,788 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 [2024-11-19 11:10:33,790 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 88 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 11:10:33,793 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 152 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 11:10:33,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2024-11-19 11:10:33,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 64. [2024-11-19 11:10:33,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 47 states have (on average 1.2553191489361701) internal successors, (59), 52 states have internal predecessors, (59), 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) [2024-11-19 11:10:33,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 71 transitions. [2024-11-19 11:10:33,803 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 71 transitions. Word has length 13 [2024-11-19 11:10:33,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:10:33,804 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 71 transitions. [2024-11-19 11:10:33,804 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) [2024-11-19 11:10:33,804 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 71 transitions. [2024-11-19 11:10:33,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-19 11:10:33,805 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:10:33,805 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 11:10:33,822 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-19 11:10:34,005 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 [2024-11-19 11:10:34,006 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting sumErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 11:10:34,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:10:34,007 INFO L85 PathProgramCache]: Analyzing trace with hash 757135551, now seen corresponding path program 1 times [2024-11-19 11:10:34,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:10:34,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562875262] [2024-11-19 11:10:34,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:10:34,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:10:34,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:10:34,109 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 11:10:34,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:10:34,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562875262] [2024-11-19 11:10:34,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1562875262] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:10:34,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1259722581] [2024-11-19 11:10:34,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:10:34,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:10:34,111 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:10:34,112 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) [2024-11-19 11:10:34,117 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-19 11:10:34,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:10:34,148 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 11:10:34,149 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:10:34,193 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 11:10:34,193 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 11:10:34,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1259722581] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 11:10:34,194 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 11:10:34,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-11-19 11:10:34,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925903719] [2024-11-19 11:10:34,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 11:10:34,195 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 11:10:34,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:10:34,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 11:10:34,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-19 11:10:34,196 INFO L87 Difference]: Start difference. First operand 64 states and 71 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) [2024-11-19 11:10:34,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:10:34,240 INFO L93 Difference]: Finished difference Result 66 states and 74 transitions. [2024-11-19 11:10:34,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 11:10:34,241 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 [2024-11-19 11:10:34,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:10:34,243 INFO L225 Difference]: With dead ends: 66 [2024-11-19 11:10:34,243 INFO L226 Difference]: Without dead ends: 65 [2024-11-19 11:10:34,243 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 [2024-11-19 11:10:34,244 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 22 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 11:10:34,245 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 63 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 11:10:34,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2024-11-19 11:10:34,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 63. [2024-11-19 11:10:34,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 47 states have (on average 1.1702127659574468) internal successors, (55), 51 states have internal predecessors, (55), 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) [2024-11-19 11:10:34,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 67 transitions. [2024-11-19 11:10:34,267 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 67 transitions. Word has length 15 [2024-11-19 11:10:34,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:10:34,267 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 67 transitions. [2024-11-19 11:10:34,268 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) [2024-11-19 11:10:34,268 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 67 transitions. [2024-11-19 11:10:34,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-19 11:10:34,268 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:10:34,268 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-19 11:10:34,290 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-19 11:10:34,469 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 [2024-11-19 11:10:34,469 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting sumErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 11:10:34,470 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:10:34,470 INFO L85 PathProgramCache]: Analyzing trace with hash 1996365668, now seen corresponding path program 1 times [2024-11-19 11:10:34,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:10:34,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427330466] [2024-11-19 11:10:34,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:10:34,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:10:34,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:10:34,549 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 11:10:34,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:10:34,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427330466] [2024-11-19 11:10:34,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427330466] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:10:34,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1678613929] [2024-11-19 11:10:34,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:10:34,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:10:34,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:10:34,553 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) [2024-11-19 11:10:34,557 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-19 11:10:34,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:10:34,597 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-19 11:10:34,598 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:10:34,670 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 11:10:34,670 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:10:34,742 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 11:10:34,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1678613929] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 11:10:34,744 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 11:10:34,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 14 [2024-11-19 11:10:34,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633438774] [2024-11-19 11:10:34,745 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 11:10:34,745 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-19 11:10:34,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:10:34,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-19 11:10:34,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2024-11-19 11:10:34,748 INFO L87 Difference]: Start difference. First operand 63 states and 67 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) [2024-11-19 11:10:34,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:10:34,922 INFO L93 Difference]: Finished difference Result 66 states and 70 transitions. [2024-11-19 11:10:34,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 11:10:34,923 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 [2024-11-19 11:10:34,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:10:34,923 INFO L225 Difference]: With dead ends: 66 [2024-11-19 11:10:34,924 INFO L226 Difference]: Without dead ends: 65 [2024-11-19 11:10:34,924 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 [2024-11-19 11:10:34,925 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 60 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 11:10:34,925 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 155 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 11:10:34,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2024-11-19 11:10:34,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 63. [2024-11-19 11:10:34,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 47 states have (on average 1.1063829787234043) internal successors, (52), 51 states have internal predecessors, (52), 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) [2024-11-19 11:10:34,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 64 transitions. [2024-11-19 11:10:34,937 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 64 transitions. Word has length 16 [2024-11-19 11:10:34,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:10:34,937 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 64 transitions. [2024-11-19 11:10:34,937 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) [2024-11-19 11:10:34,937 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 64 transitions. [2024-11-19 11:10:34,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-19 11:10:34,938 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:10:34,938 INFO L215 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1] [2024-11-19 11:10:34,955 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-19 11:10:35,139 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 [2024-11-19 11:10:35,140 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 11:10:35,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:10:35,140 INFO L85 PathProgramCache]: Analyzing trace with hash 490520080, now seen corresponding path program 2 times [2024-11-19 11:10:35,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:10:35,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575671247] [2024-11-19 11:10:35,141 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 11:10:35,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:10:35,158 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 11:10:35,164 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 11:10:35,386 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 11 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 11:10:35,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:10:35,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575671247] [2024-11-19 11:10:35,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575671247] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:10:35,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [731912239] [2024-11-19 11:10:35,387 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 11:10:35,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:10:35,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:10:35,390 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) [2024-11-19 11:10:35,391 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-19 11:10:35,435 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 11:10:35,435 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 11:10:35,438 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-19 11:10:35,440 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:10:35,672 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 11:10:35,672 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:10:35,958 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 11:10:35,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [731912239] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 11:10:35,959 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 11:10:35,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13, 13] total 35 [2024-11-19 11:10:35,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402646643] [2024-11-19 11:10:35,959 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 11:10:35,960 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-11-19 11:10:35,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:10:35,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-11-19 11:10:35,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=164, Invalid=1026, Unknown=0, NotChecked=0, Total=1190 [2024-11-19 11:10:35,963 INFO L87 Difference]: Start difference. First operand 63 states and 64 transitions. Second operand has 35 states, 32 states have (on average 2.625) internal successors, (84), 20 states have internal predecessors, (84), 15 states have call successors, (15), 15 states have call predecessors, (15), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 11:10:36,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:10:36,979 INFO L93 Difference]: Finished difference Result 153 states and 167 transitions. [2024-11-19 11:10:36,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-19 11:10:36,980 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 32 states have (on average 2.625) internal successors, (84), 20 states have internal predecessors, (84), 15 states have call successors, (15), 15 states have call predecessors, (15), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2024-11-19 11:10:36,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:10:36,981 INFO L225 Difference]: With dead ends: 153 [2024-11-19 11:10:36,981 INFO L226 Difference]: Without dead ends: 129 [2024-11-19 11:10:36,983 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 874 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=779, Invalid=3511, Unknown=0, NotChecked=0, Total=4290 [2024-11-19 11:10:36,984 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 471 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 601 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 471 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 660 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 601 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 11:10:36,984 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [471 Valid, 294 Invalid, 660 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 601 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 11:10:36,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2024-11-19 11:10:37,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 121. [2024-11-19 11:10:37,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 95 states have (on average 1.0947368421052632) internal successors, (104), 97 states have internal predecessors, (104), 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) [2024-11-19 11:10:37,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 128 transitions. [2024-11-19 11:10:37,006 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 128 transitions. Word has length 34 [2024-11-19 11:10:37,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:10:37,007 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 128 transitions. [2024-11-19 11:10:37,007 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 32 states have (on average 2.625) internal successors, (84), 20 states have internal predecessors, (84), 15 states have call successors, (15), 15 states have call predecessors, (15), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 11:10:37,007 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 128 transitions. [2024-11-19 11:10:37,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-19 11:10:37,012 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:10:37,012 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1] [2024-11-19 11:10:37,030 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-19 11:10:37,212 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 [2024-11-19 11:10:37,212 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting sumErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 11:10:37,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:10:37,213 INFO L85 PathProgramCache]: Analyzing trace with hash 1609791473, now seen corresponding path program 2 times [2024-11-19 11:10:37,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:10:37,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220563455] [2024-11-19 11:10:37,213 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 11:10:37,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:10:37,229 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 11:10:37,229 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 11:10:37,395 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 11:10:37,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:10:37,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220563455] [2024-11-19 11:10:37,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220563455] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:10:37,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [457330987] [2024-11-19 11:10:37,396 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 11:10:37,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:10:37,396 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:10:37,399 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) [2024-11-19 11:10:37,401 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-19 11:10:37,439 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 11:10:37,439 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 11:10:37,440 INFO L255 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-19 11:10:37,442 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:10:37,528 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 11:10:37,528 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:10:37,713 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 11:10:37,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [457330987] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 11:10:37,714 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 11:10:37,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 26 [2024-11-19 11:10:37,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229707751] [2024-11-19 11:10:37,714 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 11:10:37,714 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-19 11:10:37,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:10:37,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-19 11:10:37,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=164, Invalid=538, Unknown=0, NotChecked=0, Total=702 [2024-11-19 11:10:37,716 INFO L87 Difference]: Start difference. First operand 121 states and 128 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) [2024-11-19 11:10:38,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:10:38,007 INFO L93 Difference]: Finished difference Result 124 states and 131 transitions. [2024-11-19 11:10:38,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-19 11:10:38,008 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 [2024-11-19 11:10:38,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:10:38,009 INFO L225 Difference]: With dead ends: 124 [2024-11-19 11:10:38,009 INFO L226 Difference]: Without dead ends: 123 [2024-11-19 11:10:38,010 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 [2024-11-19 11:10:38,010 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 158 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 11:10:38,010 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 302 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 11:10:38,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2024-11-19 11:10:38,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 121. [2024-11-19 11:10:38,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 95 states have (on average 1.0315789473684212) internal successors, (98), 97 states have internal predecessors, (98), 12 states have call successors, (12), 11 states have call predecessors, (12), 11 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-19 11:10:38,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 122 transitions. [2024-11-19 11:10:38,032 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 122 transitions. Word has length 37 [2024-11-19 11:10:38,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:10:38,036 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 122 transitions. [2024-11-19 11:10:38,037 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) [2024-11-19 11:10:38,037 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 122 transitions. [2024-11-19 11:10:38,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-19 11:10:38,038 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:10:38,038 INFO L215 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1] [2024-11-19 11:10:38,058 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-19 11:10:38,239 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 [2024-11-19 11:10:38,239 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting sumErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 11:10:38,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:10:38,240 INFO L85 PathProgramCache]: Analyzing trace with hash -1810971126, now seen corresponding path program 1 times [2024-11-19 11:10:38,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:10:38,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201645718] [2024-11-19 11:10:38,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:10:38,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:10:38,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:10:38,690 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 0 proven. 335 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 11:10:38,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:10:38,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201645718] [2024-11-19 11:10:38,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201645718] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:10:38,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [652151664] [2024-11-19 11:10:38,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:10:38,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:10:38,692 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:10:38,693 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) [2024-11-19 11:10:38,694 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-19 11:10:38,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:10:38,747 INFO L255 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-19 11:10:38,750 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:10:39,334 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 0 proven. 335 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 11:10:39,334 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:10:39,974 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 0 proven. 335 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 11:10:39,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [652151664] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 11:10:39,975 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 11:10:39,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 25] total 58 [2024-11-19 11:10:39,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249346962] [2024-11-19 11:10:39,975 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 11:10:39,976 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2024-11-19 11:10:39,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:10:39,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2024-11-19 11:10:39,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=434, Invalid=2872, Unknown=0, NotChecked=0, Total=3306 [2024-11-19 11:10:39,978 INFO L87 Difference]: Start difference. First operand 121 states and 122 transitions. Second operand has 58 states, 55 states have (on average 2.8545454545454545) internal successors, (157), 32 states have internal predecessors, (157), 27 states have call successors, (27), 26 states have call predecessors, (27), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 11:10:40,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:10:40,957 INFO L93 Difference]: Finished difference Result 218 states and 228 transitions. [2024-11-19 11:10:40,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-19 11:10:40,957 INFO L78 Accepts]: Start accepts. Automaton has has 58 states, 55 states have (on average 2.8545454545454545) internal successors, (157), 32 states have internal predecessors, (157), 27 states have call successors, (27), 26 states have call predecessors, (27), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2024-11-19 11:10:40,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:10:40,959 INFO L225 Difference]: With dead ends: 218 [2024-11-19 11:10:40,959 INFO L226 Difference]: Without dead ends: 177 [2024-11-19 11:10:40,961 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 107 SyntacticMatches, 14 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2013 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=1265, Invalid=5875, Unknown=0, NotChecked=0, Total=7140 [2024-11-19 11:10:40,961 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 553 mSDsluCounter, 501 mSDsCounter, 0 mSdLazyCounter, 603 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 554 SdHoareTripleChecker+Valid, 543 SdHoareTripleChecker+Invalid, 660 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 603 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 11:10:40,962 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [554 Valid, 543 Invalid, 660 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 603 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 11:10:40,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2024-11-19 11:10:40,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 171. [2024-11-19 11:10:40,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 135 states have (on average 1.0518518518518518) internal successors, (142), 137 states have internal predecessors, (142), 17 states have call successors, (17), 16 states have call predecessors, (17), 16 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-19 11:10:40,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 176 transitions. [2024-11-19 11:10:40,977 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 176 transitions. Word has length 77 [2024-11-19 11:10:40,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:10:40,978 INFO L471 AbstractCegarLoop]: Abstraction has 171 states and 176 transitions. [2024-11-19 11:10:40,978 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 55 states have (on average 2.8545454545454545) internal successors, (157), 32 states have internal predecessors, (157), 27 states have call successors, (27), 26 states have call predecessors, (27), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 11:10:40,978 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 176 transitions. [2024-11-19 11:10:40,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-19 11:10:40,980 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:10:40,980 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 11, 11, 1, 1, 1, 1] [2024-11-19 11:10:40,997 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-19 11:10:41,183 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 [2024-11-19 11:10:41,184 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting sumErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 11:10:41,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:10:41,184 INFO L85 PathProgramCache]: Analyzing trace with hash -1916377020, now seen corresponding path program 3 times [2024-11-19 11:10:41,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:10:41,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646717560] [2024-11-19 11:10:41,185 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 11:10:41,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:10:41,207 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2024-11-19 11:10:41,208 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 11:10:41,820 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 0 proven. 451 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 11:10:41,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:10:41,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646717560] [2024-11-19 11:10:41,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646717560] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:10:41,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1037555448] [2024-11-19 11:10:41,821 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 11:10:41,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:10:41,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:10:41,823 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) [2024-11-19 11:10:41,824 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-19 11:10:41,876 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2024-11-19 11:10:41,877 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 11:10:41,878 INFO L255 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-19 11:10:41,880 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:10:42,032 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 0 proven. 451 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 11:10:42,032 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:10:42,651 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 0 proven. 451 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 11:10:42,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1037555448] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 11:10:42,651 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 11:10:42,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26, 26] total 54 [2024-11-19 11:10:42,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447274317] [2024-11-19 11:10:42,651 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 11:10:42,652 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2024-11-19 11:10:42,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:10:42,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2024-11-19 11:10:42,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=710, Invalid=2260, Unknown=0, NotChecked=0, Total=2970 [2024-11-19 11:10:42,654 INFO L87 Difference]: Start difference. First operand 171 states and 176 transitions. Second operand has 55 states, 51 states have (on average 3.019607843137255) internal successors, (154), 30 states have internal predecessors, (154), 26 states have call successors, (26), 25 states have call predecessors, (26), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 11:10:43,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:10:43,469 INFO L93 Difference]: Finished difference Result 309 states and 332 transitions. [2024-11-19 11:10:43,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-11-19 11:10:43,470 INFO L78 Accepts]: Start accepts. Automaton has has 55 states, 51 states have (on average 3.019607843137255) internal successors, (154), 30 states have internal predecessors, (154), 26 states have call successors, (26), 25 states have call predecessors, (26), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2024-11-19 11:10:43,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:10:43,472 INFO L225 Difference]: With dead ends: 309 [2024-11-19 11:10:43,472 INFO L226 Difference]: Without dead ends: 308 [2024-11-19 11:10:43,474 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1360 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1636, Invalid=4526, Unknown=0, NotChecked=0, Total=6162 [2024-11-19 11:10:43,475 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 917 mSDsluCounter, 467 mSDsCounter, 0 mSdLazyCounter, 419 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 919 SdHoareTripleChecker+Valid, 508 SdHoareTripleChecker+Invalid, 504 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 419 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 11:10:43,475 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [919 Valid, 508 Invalid, 504 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 419 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 11:10:43,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2024-11-19 11:10:43,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 279. [2024-11-19 11:10:43,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 225 states have (on average 1.0933333333333333) internal successors, (246), 227 states have internal predecessors, (246), 26 states have call successors, (26), 25 states have call predecessors, (26), 25 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-19 11:10:43,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 298 transitions. [2024-11-19 11:10:43,499 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 298 transitions. Word has length 86 [2024-11-19 11:10:43,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:10:43,500 INFO L471 AbstractCegarLoop]: Abstraction has 279 states and 298 transitions. [2024-11-19 11:10:43,500 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 51 states have (on average 3.019607843137255) internal successors, (154), 30 states have internal predecessors, (154), 26 states have call successors, (26), 25 states have call predecessors, (26), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 11:10:43,500 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 298 transitions. [2024-11-19 11:10:43,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-19 11:10:43,505 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:10:43,506 INFO L215 NwaCegarLoop]: trace histogram [16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1] [2024-11-19 11:10:43,523 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-19 11:10:43,706 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 [2024-11-19 11:10:43,707 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting sumErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 11:10:43,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:10:43,707 INFO L85 PathProgramCache]: Analyzing trace with hash -261587971, now seen corresponding path program 2 times [2024-11-19 11:10:43,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:10:43,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717438275] [2024-11-19 11:10:43,707 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 11:10:43,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:10:43,721 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 11:10:43,721 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 11:10:43,831 INFO L134 CoverageAnalysis]: Checked inductivity of 765 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 721 trivial. 0 not checked. [2024-11-19 11:10:43,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:10:43,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717438275] [2024-11-19 11:10:43,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717438275] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 11:10:43,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 11:10:43,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 11:10:43,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129181812] [2024-11-19 11:10:43,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 11:10:43,833 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 11:10:43,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:10:43,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 11:10:43,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-19 11:10:43,834 INFO L87 Difference]: Start difference. First operand 279 states and 298 transitions. Second operand has 6 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 11:10:43,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:10:43,905 INFO L93 Difference]: Finished difference Result 299 states and 319 transitions. [2024-11-19 11:10:43,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 11:10:43,906 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2024-11-19 11:10:43,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:10:43,908 INFO L225 Difference]: With dead ends: 299 [2024-11-19 11:10:43,908 INFO L226 Difference]: Without dead ends: 298 [2024-11-19 11:10:43,908 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-19 11:10:43,909 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 26 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 11:10:43,909 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 62 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 11:10:43,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2024-11-19 11:10:43,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 278. [2024-11-19 11:10:43,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278 states, 225 states have (on average 1.048888888888889) internal successors, (236), 226 states have internal predecessors, (236), 26 states have call successors, (26), 25 states have call predecessors, (26), 25 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-19 11:10:43,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 288 transitions. [2024-11-19 11:10:43,932 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 288 transitions. Word has length 112 [2024-11-19 11:10:43,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:10:43,932 INFO L471 AbstractCegarLoop]: Abstraction has 278 states and 288 transitions. [2024-11-19 11:10:43,932 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 11:10:43,933 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 288 transitions. [2024-11-19 11:10:43,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-19 11:10:43,935 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:10:43,935 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 11:10:43,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-19 11:10:43,936 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 11:10:43,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:10:43,936 INFO L85 PathProgramCache]: Analyzing trace with hash -956842466, now seen corresponding path program 1 times [2024-11-19 11:10:43,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:10:43,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087977870] [2024-11-19 11:10:43,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:10:43,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:10:43,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:10:44,043 INFO L134 CoverageAnalysis]: Checked inductivity of 1110 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1110 trivial. 0 not checked. [2024-11-19 11:10:44,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:10:44,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087977870] [2024-11-19 11:10:44,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2087977870] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 11:10:44,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 11:10:44,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 11:10:44,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637800970] [2024-11-19 11:10:44,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 11:10:44,045 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 11:10:44,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:10:44,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 11:10:44,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 11:10:44,046 INFO L87 Difference]: Start difference. First operand 278 states and 288 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) [2024-11-19 11:10:44,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:10:44,062 INFO L93 Difference]: Finished difference Result 278 states and 288 transitions. [2024-11-19 11:10:44,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 11:10:44,062 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 162 [2024-11-19 11:10:44,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:10:44,063 INFO L225 Difference]: With dead ends: 278 [2024-11-19 11:10:44,064 INFO L226 Difference]: Without dead ends: 179 [2024-11-19 11:10:44,064 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 11:10:44,065 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 0 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 35 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 [2024-11-19 11:10:44,065 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 35 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 11:10:44,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2024-11-19 11:10:44,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 178. [2024-11-19 11:10:44,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 152 states have (on average 1.006578947368421) internal successors, (153), 152 states have internal predecessors, (153), 25 states have call successors, (25), 25 states have call predecessors, (25), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 11:10:44,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 178 transitions. [2024-11-19 11:10:44,076 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 178 transitions. Word has length 162 [2024-11-19 11:10:44,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:10:44,076 INFO L471 AbstractCegarLoop]: Abstraction has 178 states and 178 transitions. [2024-11-19 11:10:44,076 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) [2024-11-19 11:10:44,077 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 178 transitions. [2024-11-19 11:10:44,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-19 11:10:44,078 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:10:44,078 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 25, 25, 24, 24, 1, 1, 1, 1] [2024-11-19 11:10:44,078 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-19 11:10:44,079 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting sumErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 11:10:44,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:10:44,079 INFO L85 PathProgramCache]: Analyzing trace with hash 1844684337, now seen corresponding path program 4 times [2024-11-19 11:10:44,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:10:44,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636839105] [2024-11-19 11:10:44,079 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 11:10:44,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:10:44,108 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 11:10:44,109 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 11:10:45,780 INFO L134 CoverageAnalysis]: Checked inductivity of 2076 backedges. 1913 proven. 163 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 11:10:45,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:10:45,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636839105] [2024-11-19 11:10:45,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636839105] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:10:45,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1518094573] [2024-11-19 11:10:45,780 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 11:10:45,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:10:45,781 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:10:45,782 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 11:10:45,782 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-19 11:10:45,860 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 11:10:45,860 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 11:10:45,863 INFO L255 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 52 conjuncts are in the unsatisfiable core [2024-11-19 11:10:45,867 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:10:46,150 INFO L134 CoverageAnalysis]: Checked inductivity of 2076 backedges. 2076 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 11:10:46,150 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 11:10:46,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1518094573] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 11:10:46,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 11:10:46,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [53] imperfect sequences [53] total 56 [2024-11-19 11:10:46,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743680695] [2024-11-19 11:10:46,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 11:10:46,152 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2024-11-19 11:10:46,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:10:46,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2024-11-19 11:10:46,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=712, Invalid=2368, Unknown=0, NotChecked=0, Total=3080 [2024-11-19 11:10:46,154 INFO L87 Difference]: Start difference. First operand 178 states and 178 transitions. Second operand has 53 states, 52 states have (on average 2.923076923076923) internal successors, (152), 28 states have internal predecessors, (152), 25 states have call successors, (25), 25 states have call predecessors, (25), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 11:10:46,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:10:46,535 INFO L93 Difference]: Finished difference Result 178 states and 178 transitions. [2024-11-19 11:10:46,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-19 11:10:46,536 INFO L78 Accepts]: Start accepts. Automaton has has 53 states, 52 states have (on average 2.923076923076923) internal successors, (152), 28 states have internal predecessors, (152), 25 states have call successors, (25), 25 states have call predecessors, (25), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 177 [2024-11-19 11:10:46,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:10:46,536 INFO L225 Difference]: With dead ends: 178 [2024-11-19 11:10:46,536 INFO L226 Difference]: Without dead ends: 0 [2024-11-19 11:10:46,539 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1212 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1136, Invalid=3976, Unknown=0, NotChecked=0, Total=5112 [2024-11-19 11:10:46,540 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 91 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 596 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 597 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 11:10:46,540 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 279 Invalid, 597 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 596 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 11:10:46,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-19 11:10:46,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-19 11:10:46,540 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) [2024-11-19 11:10:46,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-19 11:10:46,541 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 177 [2024-11-19 11:10:46,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:10:46,541 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-19 11:10:46,541 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 52 states have (on average 2.923076923076923) internal successors, (152), 28 states have internal predecessors, (152), 25 states have call successors, (25), 25 states have call predecessors, (25), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 11:10:46,541 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-19 11:10:46,541 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-19 11:10:46,544 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2024-11-19 11:10:46,545 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2024-11-19 11:10:46,545 INFO L782 garLoopResultBuilder]: Registering result SAFE for location sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2024-11-19 11:10:46,545 INFO L782 garLoopResultBuilder]: Registering result SAFE for location sumErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2024-11-19 11:10:46,545 INFO L782 garLoopResultBuilder]: Registering result SAFE for location sumErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2024-11-19 11:10:46,546 INFO L782 garLoopResultBuilder]: Registering result SAFE for location sumErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2024-11-19 11:10:46,546 INFO L782 garLoopResultBuilder]: Registering result SAFE for location sumErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2024-11-19 11:10:46,546 INFO L782 garLoopResultBuilder]: Registering result SAFE for location sumErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2024-11-19 11:10:46,560 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-19 11:10:46,750 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-19 11:10:46,754 INFO L407 BasicCegarLoop]: Path program histogram: [4, 2, 2, 1, 1, 1, 1, 1] [2024-11-19 11:10:46,756 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-19 11:10:50,178 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-19 11:10:50,309 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-19 11:10:50,319 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 11:10:50 BoogieIcfgContainer [2024-11-19 11:10:50,319 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-19 11:10:50,320 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 11:10:50,320 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 11:10:50,320 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 11:10:50,320 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:10:32" (3/4) ... [2024-11-19 11:10:50,323 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-19 11:10:50,327 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure sum [2024-11-19 11:10:50,330 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-19 11:10:50,331 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-19 11:10:50,331 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-19 11:10:50,331 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-19 11:10:50,421 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-19 11:10:50,421 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-19 11:10:50,422 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 11:10:50,422 INFO L158 Benchmark]: Toolchain (without parser) took 18764.70ms. Allocated memory was 165.7MB in the beginning and 375.4MB in the end (delta: 209.7MB). Free memory was 110.0MB in the beginning and 137.9MB in the end (delta: -27.9MB). Peak memory consumption was 183.9MB. Max. memory is 16.1GB. [2024-11-19 11:10:50,422 INFO L158 Benchmark]: CDTParser took 1.24ms. Allocated memory is still 165.7MB. Free memory is still 127.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 11:10:50,423 INFO L158 Benchmark]: CACSL2BoogieTranslator took 242.05ms. Allocated memory is still 165.7MB. Free memory was 109.5MB in the beginning and 98.0MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-19 11:10:50,425 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.67ms. Allocated memory is still 165.7MB. Free memory was 98.0MB in the beginning and 96.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 11:10:50,425 INFO L158 Benchmark]: Boogie Preprocessor took 26.21ms. Allocated memory is still 165.7MB. Free memory was 96.4MB in the beginning and 94.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 11:10:50,426 INFO L158 Benchmark]: RCFGBuilder took 281.86ms. Allocated memory is still 165.7MB. Free memory was 94.8MB in the beginning and 83.8MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-19 11:10:50,426 INFO L158 Benchmark]: TraceAbstraction took 18074.50ms. Allocated memory was 165.7MB in the beginning and 375.4MB in the end (delta: 209.7MB). Free memory was 83.4MB in the beginning and 143.2MB in the end (delta: -59.8MB). Peak memory consumption was 175.5MB. Max. memory is 16.1GB. [2024-11-19 11:10:50,427 INFO L158 Benchmark]: Witness Printer took 102.17ms. Allocated memory is still 375.4MB. Free memory was 143.2MB in the beginning and 137.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-19 11:10:50,429 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.24ms. Allocated memory is still 165.7MB. Free memory is still 127.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 242.05ms. Allocated memory is still 165.7MB. Free memory was 109.5MB in the beginning and 98.0MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.67ms. Allocated memory is still 165.7MB. Free memory was 98.0MB in the beginning and 96.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.21ms. Allocated memory is still 165.7MB. Free memory was 96.4MB in the beginning and 94.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 281.86ms. Allocated memory is still 165.7MB. Free memory was 94.8MB in the beginning and 83.8MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 18074.50ms. Allocated memory was 165.7MB in the beginning and 375.4MB in the end (delta: 209.7MB). Free memory was 83.4MB in the beginning and 143.2MB in the end (delta: -59.8MB). Peak memory consumption was 175.5MB. Max. memory is 16.1GB. * Witness Printer took 102.17ms. Allocated memory is still 375.4MB. Free memory was 143.2MB in the beginning and 137.9MB 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, 32 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 14.4s, OverallIterations: 13, TraceHistogramMax: 25, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 4.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2464 SdHoareTripleChecker+Valid, 1.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2450 mSDsluCounter, 2563 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2204 mSDsCounter, 266 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2826 IncrementalHoareTripleChecker+Invalid, 3092 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 266 mSolverCounterUnsat, 359 mSDtfsCounter, 2826 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 997 GetRequests, 594 SyntacticMatches, 14 SemanticMatches, 389 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5829 ImplicationChecksByTransitivity, 5.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=279occurred in iteration=10, InterpolantAutomatonStates: 232, 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, 83 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 7.3s InterpolantComputationTime, 1205 NumberOfCodeBlocks, 1205 NumberOfCodeBlocksAsserted, 50 NumberOfCheckSat, 1441 ConstructedInterpolants, 0 QuantifiedInterpolants, 3985 SizeOfPredicates, 63 NumberOfNonLiveVariables, 1151 ConjunctsInSsa, 142 ConjunctsInUnsatCore, 27 InterpolantComputations, 7 PerfectInterpolantSequences, 5880/8767 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: ((((((((((((((((((6 == n) && (m <= 9)) && (3 <= m)) || ((((n <= 10) && (m <= 5)) && (5 <= n)) && (3 <= m))) || (((m <= 2147483636) && (2 == n)) && (3 <= m))) || ((15 == n) && (m == 0))) || ((((n <= 9) && (m <= 6)) && (4 <= n)) && (3 <= m))) || (((1 <= n) && (n <= 12)) && (3 == m))) || (((3 == n) && (3 <= m)) && (m <= 2147483635))) || ((((4 <= ((long long) n + m)) && (n <= 4)) && (3 <= m)) && (m <= 11))) || (((m <= 2147483638) && (4 <= ((long long) n + m))) && (n <= 0))) || (((m <= 4) && (n == 11)) && (3 <= m))) || (((m <= 7) && (8 == n)) && (3 <= m))) || (((5 == n) && (m <= 10)) && (3 <= m))) || ((n == 13) && (2 == m))) || (((n == 1) && (m <= 2147483637)) && (3 <= m))) || ((14 == n) && (m == 1))) || ((((n <= 7) && (m <= 8)) && (3 <= m)) && (2 <= n))) Ensures: ((((((((((((((((((6 == n) && (m <= 9)) && (3 <= m)) || ((((n <= 10) && (m <= 5)) && (5 <= n)) && (3 <= m))) || (((m <= 2147483636) && (2 == n)) && (3 <= m))) || ((15 == n) && (m == 0))) || ((((n <= 9) && (m <= 6)) && (4 <= n)) && (3 <= m))) || (((1 <= n) && (n <= 12)) && (3 == m))) || (((3 == n) && (3 <= m)) && (m <= 2147483635))) || ((m == 1) && (14 <= n))) || ((((4 <= ((long long) n + m)) && (n <= 4)) && (3 <= m)) && (m <= 11))) || (((m <= 2147483638) && (4 <= ((long long) n + m))) && (n <= 0))) || (((m <= 4) && (n == 11)) && (3 <= m))) || ((n == 13) && (2 <= m))) || (((m <= 7) && (8 == n)) && (3 <= m))) || (((5 == n) && (m <= 10)) && (3 <= m))) || (((n == 1) && (m <= 2147483637)) && (3 <= m))) || ((((n <= 7) && (m <= 8)) && (3 <= m)) && (2 <= n))) RESULT: Ultimate proved your program to be correct! [2024-11-19 11:10:50,461 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