./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/Addition03-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/Addition03-1.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 2b4726bd085117d6d28f7ec87f442bbec9d0d87c17bc39b8147695c8c5a6ec7b --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 21:09:20,115 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 21:09:20,201 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-14 21:09:20,208 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 21:09:20,208 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 21:09:20,243 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 21:09:20,244 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 21:09:20,245 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 21:09:20,245 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 21:09:20,247 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 21:09:20,247 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 21:09:20,248 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 21:09:20,248 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 21:09:20,249 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 21:09:20,251 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 21:09:20,251 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 21:09:20,251 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 21:09:20,252 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 21:09:20,252 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 21:09:20,252 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 21:09:20,256 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 21:09:20,257 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 21:09:20,257 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 21:09:20,257 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 21:09:20,257 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 21:09:20,258 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-14 21:09:20,258 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-14 21:09:20,258 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 21:09:20,259 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 21:09:20,259 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 21:09:20,259 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 21:09:20,259 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 21:09:20,260 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 21:09:20,260 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 21:09:20,260 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 21:09:20,260 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 21:09:20,261 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 21:09:20,261 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 21:09:20,261 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 21:09:20,261 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 21:09:20,261 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 21:09:20,263 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 21:09:20,263 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 21:09:20,263 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 21:09:20,264 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b4726bd085117d6d28f7ec87f442bbec9d0d87c17bc39b8147695c8c5a6ec7b [2024-10-14 21:09:20,534 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 21:09:20,560 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 21:09:20,564 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 21:09:20,565 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 21:09:20,565 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 21:09:20,567 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/Addition03-1.c [2024-10-14 21:09:22,048 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 21:09:22,220 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 21:09:22,220 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/Addition03-1.c [2024-10-14 21:09:22,226 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6bfd8197a/42465999380842f4ad6e75649f2bb659/FLAGca4a3e54f [2024-10-14 21:09:22,238 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6bfd8197a/42465999380842f4ad6e75649f2bb659 [2024-10-14 21:09:22,241 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 21:09:22,242 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 21:09:22,243 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 21:09:22,244 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 21:09:22,250 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 21:09:22,251 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:09:22" (1/1) ... [2024-10-14 21:09:22,252 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45bf056c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:09:22, skipping insertion in model container [2024-10-14 21:09:22,252 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:09:22" (1/1) ... [2024-10-14 21:09:22,269 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 21:09:22,423 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 21:09:22,434 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 21:09:22,448 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 21:09:22,466 INFO L204 MainTranslator]: Completed translation [2024-10-14 21:09:22,466 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:09:22 WrapperNode [2024-10-14 21:09:22,466 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 21:09:22,467 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 21:09:22,468 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 21:09:22,468 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 21:09:22,475 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:09:22" (1/1) ... [2024-10-14 21:09:22,481 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:09:22" (1/1) ... [2024-10-14 21:09:22,495 INFO L138 Inliner]: procedures = 13, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 28 [2024-10-14 21:09:22,496 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 21:09:22,496 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 21:09:22,496 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 21:09:22,497 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 21:09:22,506 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:09:22" (1/1) ... [2024-10-14 21:09:22,506 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:09:22" (1/1) ... [2024-10-14 21:09:22,507 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:09:22" (1/1) ... [2024-10-14 21:09:22,517 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-14 21:09:22,518 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:09:22" (1/1) ... [2024-10-14 21:09:22,518 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:09:22" (1/1) ... [2024-10-14 21:09:22,520 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:09:22" (1/1) ... [2024-10-14 21:09:22,522 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:09:22" (1/1) ... [2024-10-14 21:09:22,523 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:09:22" (1/1) ... [2024-10-14 21:09:22,523 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:09:22" (1/1) ... [2024-10-14 21:09:22,525 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 21:09:22,526 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 21:09:22,526 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 21:09:22,526 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 21:09:22,527 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:09:22" (1/1) ... [2024-10-14 21:09:22,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 21:09:22,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:09:22,559 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-14 21:09:22,562 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-14 21:09:22,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 21:09:22,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 21:09:22,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 21:09:22,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 21:09:22,600 INFO L130 BoogieDeclarations]: Found specification of procedure addition [2024-10-14 21:09:22,600 INFO L138 BoogieDeclarations]: Found implementation of procedure addition [2024-10-14 21:09:22,650 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 21:09:22,652 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 21:09:22,819 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-10-14 21:09:22,819 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 21:09:22,844 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 21:09:22,845 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-14 21:09:22,845 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:09:22 BoogieIcfgContainer [2024-10-14 21:09:22,845 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 21:09:22,847 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 21:09:22,847 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 21:09:22,851 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 21:09:22,851 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 09:09:22" (1/3) ... [2024-10-14 21:09:22,852 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4432a5c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:09:22, skipping insertion in model container [2024-10-14 21:09:22,852 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:09:22" (2/3) ... [2024-10-14 21:09:22,852 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4432a5c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:09:22, skipping insertion in model container [2024-10-14 21:09:22,852 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:09:22" (3/3) ... [2024-10-14 21:09:22,854 INFO L112 eAbstractionObserver]: Analyzing ICFG Addition03-1.c [2024-10-14 21:09:22,871 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 21:09:22,871 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-10-14 21:09:22,919 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 21:09:22,925 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;@7afbd0f8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 21:09:22,926 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-10-14 21:09:22,929 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 19 states have (on average 1.631578947368421) internal successors, (31), 27 states have internal predecessors, (31), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-14 21:09:22,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-14 21:09:22,937 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:09:22,937 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-14 21:09:22,938 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-14 21:09:22,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:09:22,943 INFO L85 PathProgramCache]: Analyzing trace with hash -1727975040, now seen corresponding path program 1 times [2024-10-14 21:09:22,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:09:22,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650209051] [2024-10-14 21:09:22,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:09:22,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:09:23,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:23,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:09:23,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:09:23,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650209051] [2024-10-14 21:09:23,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650209051] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:09:23,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 21:09:23,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 21:09:23,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467306088] [2024-10-14 21:09:23,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:09:23,223 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 21:09:23,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:09:23,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 21:09:23,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 21:09:23,250 INFO L87 Difference]: Start difference. First operand has 32 states, 19 states have (on average 1.631578947368421) internal successors, (31), 27 states have internal predecessors, (31), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 5 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 21:09:23,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:09:23,395 INFO L93 Difference]: Finished difference Result 62 states and 71 transitions. [2024-10-14 21:09:23,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 21:09:23,399 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-10-14 21:09:23,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:09:23,405 INFO L225 Difference]: With dead ends: 62 [2024-10-14 21:09:23,406 INFO L226 Difference]: Without dead ends: 44 [2024-10-14 21:09:23,409 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-14 21:09:23,414 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 43 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 21:09:23,415 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 93 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 21:09:23,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2024-10-14 21:09:23,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 34. [2024-10-14 21:09:23,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 22 states have (on average 1.5909090909090908) internal successors, (35), 31 states have internal predecessors, (35), 4 states have call successors, (4), 2 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 21:09:23,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 39 transitions. [2024-10-14 21:09:23,456 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 39 transitions. Word has length 6 [2024-10-14 21:09:23,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:09:23,457 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 39 transitions. [2024-10-14 21:09:23,457 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 21:09:23,457 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 39 transitions. [2024-10-14 21:09:23,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-14 21:09:23,458 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:09:23,458 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-14 21:09:23,458 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 21:09:23,458 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-14 21:09:23,459 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:09:23,459 INFO L85 PathProgramCache]: Analyzing trace with hash -2027618630, now seen corresponding path program 1 times [2024-10-14 21:09:23,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:09:23,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079285165] [2024-10-14 21:09:23,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:09:23,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:09:23,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:23,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:09:23,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:09:23,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079285165] [2024-10-14 21:09:23,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079285165] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:09:23,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 21:09:23,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 21:09:23,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488770177] [2024-10-14 21:09:23,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:09:23,555 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 21:09:23,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:09:23,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 21:09:23,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 21:09:23,558 INFO L87 Difference]: Start difference. First operand 34 states and 39 transitions. Second operand has 5 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 21:09:23,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:09:23,627 INFO L93 Difference]: Finished difference Result 66 states and 76 transitions. [2024-10-14 21:09:23,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 21:09:23,628 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-10-14 21:09:23,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:09:23,629 INFO L225 Difference]: With dead ends: 66 [2024-10-14 21:09:23,629 INFO L226 Difference]: Without dead ends: 64 [2024-10-14 21:09:23,630 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-14 21:09:23,631 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 32 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 21:09:23,631 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 65 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 21:09:23,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2024-10-14 21:09:23,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 52. [2024-10-14 21:09:23,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 39 states have (on average 1.4871794871794872) internal successors, (58), 47 states have internal predecessors, (58), 5 states have call successors, (5), 4 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 21:09:23,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 63 transitions. [2024-10-14 21:09:23,652 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 63 transitions. Word has length 7 [2024-10-14 21:09:23,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:09:23,652 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 63 transitions. [2024-10-14 21:09:23,652 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 21:09:23,652 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 63 transitions. [2024-10-14 21:09:23,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-10-14 21:09:23,653 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:09:23,653 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 21:09:23,653 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 21:09:23,654 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting additionErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-14 21:09:23,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:09:23,654 INFO L85 PathProgramCache]: Analyzing trace with hash 1568331970, now seen corresponding path program 1 times [2024-10-14 21:09:23,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:09:23,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780595994] [2024-10-14 21:09:23,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:09:23,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:09:23,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:23,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:09:23,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:09:23,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780595994] [2024-10-14 21:09:23,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1780595994] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:09:23,711 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 21:09:23,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 21:09:23,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134067560] [2024-10-14 21:09:23,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:09:23,712 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 21:09:23,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:09:23,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 21:09:23,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 21:09:23,714 INFO L87 Difference]: Start difference. First operand 52 states and 63 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 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) [2024-10-14 21:09:23,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:09:23,741 INFO L93 Difference]: Finished difference Result 52 states and 63 transitions. [2024-10-14 21:09:23,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 21:09:23,742 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 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 [2024-10-14 21:09:23,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:09:23,743 INFO L225 Difference]: With dead ends: 52 [2024-10-14 21:09:23,743 INFO L226 Difference]: Without dead ends: 51 [2024-10-14 21:09:23,744 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 [2024-10-14 21:09:23,745 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 4 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 21:09:23,745 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 27 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 21:09:23,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2024-10-14 21:09:23,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2024-10-14 21:09:23,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 39 states have (on average 1.435897435897436) internal successors, (56), 46 states have internal predecessors, (56), 5 states have call successors, (5), 4 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 21:09:23,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 61 transitions. [2024-10-14 21:09:23,753 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 61 transitions. Word has length 8 [2024-10-14 21:09:23,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:09:23,754 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 61 transitions. [2024-10-14 21:09:23,754 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 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) [2024-10-14 21:09:23,754 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 61 transitions. [2024-10-14 21:09:23,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-10-14 21:09:23,755 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:09:23,755 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 21:09:23,755 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 21:09:23,756 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting additionErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-14 21:09:23,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:09:23,756 INFO L85 PathProgramCache]: Analyzing trace with hash 1384179015, now seen corresponding path program 1 times [2024-10-14 21:09:23,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:09:23,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206270400] [2024-10-14 21:09:23,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:09:23,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:09:23,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:23,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:09:23,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:09:23,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206270400] [2024-10-14 21:09:23,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206270400] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:09:23,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 21:09:23,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 21:09:23,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236333002] [2024-10-14 21:09:23,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:09:23,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 21:09:23,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:09:23,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 21:09:23,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 21:09:23,848 INFO L87 Difference]: Start difference. First operand 51 states and 61 transitions. Second operand has 5 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 21:09:23,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:09:23,936 INFO L93 Difference]: Finished difference Result 62 states and 69 transitions. [2024-10-14 21:09:23,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 21:09:23,937 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 9 [2024-10-14 21:09:23,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:09:23,940 INFO L225 Difference]: With dead ends: 62 [2024-10-14 21:09:23,940 INFO L226 Difference]: Without dead ends: 61 [2024-10-14 21:09:23,940 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-14 21:09:23,942 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 32 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 21:09:23,942 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 43 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 21:09:23,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2024-10-14 21:09:23,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 51. [2024-10-14 21:09:23,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 39 states have (on average 1.4102564102564104) internal successors, (55), 46 states have internal predecessors, (55), 5 states have call successors, (5), 4 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 21:09:23,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 60 transitions. [2024-10-14 21:09:23,951 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 60 transitions. Word has length 9 [2024-10-14 21:09:23,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:09:23,952 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 60 transitions. [2024-10-14 21:09:23,952 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 21:09:23,952 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 60 transitions. [2024-10-14 21:09:23,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-10-14 21:09:23,953 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:09:23,953 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 21:09:23,953 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 21:09:23,953 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting additionErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-14 21:09:23,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:09:23,954 INFO L85 PathProgramCache]: Analyzing trace with hash 1373650876, now seen corresponding path program 1 times [2024-10-14 21:09:23,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:09:23,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549623219] [2024-10-14 21:09:23,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:09:23,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:09:23,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:24,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:09:24,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:09:24,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549623219] [2024-10-14 21:09:24,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549623219] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:09:24,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 21:09:24,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 21:09:24,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064207619] [2024-10-14 21:09:24,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:09:24,011 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 21:09:24,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:09:24,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 21:09:24,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 21:09:24,012 INFO L87 Difference]: Start difference. First operand 51 states and 60 transitions. Second operand has 5 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 21:09:24,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:09:24,080 INFO L93 Difference]: Finished difference Result 63 states and 72 transitions. [2024-10-14 21:09:24,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 21:09:24,081 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 9 [2024-10-14 21:09:24,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:09:24,082 INFO L225 Difference]: With dead ends: 63 [2024-10-14 21:09:24,082 INFO L226 Difference]: Without dead ends: 61 [2024-10-14 21:09:24,083 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-14 21:09:24,084 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 32 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 21:09:24,084 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 41 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 21:09:24,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2024-10-14 21:09:24,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 50. [2024-10-14 21:09:24,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 39 states have (on average 1.3333333333333333) internal successors, (52), 45 states have internal predecessors, (52), 5 states have call successors, (5), 4 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 21:09:24,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 57 transitions. [2024-10-14 21:09:24,095 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 57 transitions. Word has length 9 [2024-10-14 21:09:24,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:09:24,095 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 57 transitions. [2024-10-14 21:09:24,096 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 21:09:24,096 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 57 transitions. [2024-10-14 21:09:24,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-10-14 21:09:24,096 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:09:24,097 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 21:09:24,097 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 21:09:24,097 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-14 21:09:24,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:09:24,098 INFO L85 PathProgramCache]: Analyzing trace with hash -1747987274, now seen corresponding path program 1 times [2024-10-14 21:09:24,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:09:24,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521999554] [2024-10-14 21:09:24,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:09:24,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:09:24,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:24,246 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:09:24,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:09:24,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521999554] [2024-10-14 21:09:24,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521999554] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 21:09:24,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1682831981] [2024-10-14 21:09:24,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:09:24,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:09:24,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:09:24,251 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:09:24,254 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-14 21:09:24,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:24,294 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 21:09:24,300 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:09:24,380 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:09:24,381 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 21:09:24,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1682831981] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:09:24,381 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 21:09:24,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 10 [2024-10-14 21:09:24,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605633772] [2024-10-14 21:09:24,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:09:24,382 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 21:09:24,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:09:24,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 21:09:24,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-10-14 21:09:24,383 INFO L87 Difference]: Start difference. First operand 50 states and 57 transitions. Second operand has 5 states, 5 states have (on average 2.6) 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) [2024-10-14 21:09:24,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:09:24,450 INFO L93 Difference]: Finished difference Result 73 states and 80 transitions. [2024-10-14 21:09:24,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 21:09:24,452 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.6) 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 [2024-10-14 21:09:24,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:09:24,452 INFO L225 Difference]: With dead ends: 73 [2024-10-14 21:09:24,452 INFO L226 Difference]: Without dead ends: 51 [2024-10-14 21:09:24,453 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-10-14 21:09:24,454 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 14 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 21:09:24,454 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 43 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 21:09:24,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2024-10-14 21:09:24,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 41. [2024-10-14 21:09:24,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 33 states have (on average 1.2121212121212122) internal successors, (40), 36 states have internal predecessors, (40), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 21:09:24,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 44 transitions. [2024-10-14 21:09:24,463 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 44 transitions. Word has length 15 [2024-10-14 21:09:24,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:09:24,463 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 44 transitions. [2024-10-14 21:09:24,463 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.6) 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) [2024-10-14 21:09:24,464 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 44 transitions. [2024-10-14 21:09:24,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-10-14 21:09:24,464 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:09:24,464 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 21:09:24,483 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-14 21:09:24,668 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-10-14 21:09:24,669 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-14 21:09:24,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:09:24,669 INFO L85 PathProgramCache]: Analyzing trace with hash 2077822877, now seen corresponding path program 1 times [2024-10-14 21:09:24,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:09:24,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089530534] [2024-10-14 21:09:24,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:09:24,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:09:24,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:24,771 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:09:24,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:09:24,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089530534] [2024-10-14 21:09:24,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089530534] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 21:09:24,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [116498606] [2024-10-14 21:09:24,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:09:24,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:09:24,772 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:09:24,775 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:09:24,777 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-14 21:09:24,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:24,812 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-14 21:09:24,814 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:09:24,845 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:09:24,845 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 21:09:24,920 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:09:24,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [116498606] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 21:09:24,921 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 21:09:24,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-10-14 21:09:24,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044352490] [2024-10-14 21:09:24,922 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 21:09:24,922 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-14 21:09:24,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:09:24,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-14 21:09:24,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-10-14 21:09:24,924 INFO L87 Difference]: Start difference. First operand 41 states and 44 transitions. Second operand has 12 states, 9 states have (on average 2.888888888888889) internal successors, (26), 7 states have internal predecessors, (26), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 21:09:25,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:09:25,066 INFO L93 Difference]: Finished difference Result 108 states and 119 transitions. [2024-10-14 21:09:25,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 21:09:25,067 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 2.888888888888889) internal successors, (26), 7 states have internal predecessors, (26), 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 15 [2024-10-14 21:09:25,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:09:25,068 INFO L225 Difference]: With dead ends: 108 [2024-10-14 21:09:25,068 INFO L226 Difference]: Without dead ends: 106 [2024-10-14 21:09:25,072 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2024-10-14 21:09:25,072 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 128 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 21:09:25,073 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 124 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 21:09:25,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-10-14 21:09:25,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 76. [2024-10-14 21:09:25,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 64 states have (on average 1.1875) internal successors, (76), 67 states have internal predecessors, (76), 8 states have call successors, (8), 8 states have call predecessors, (8), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 21:09:25,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 84 transitions. [2024-10-14 21:09:25,090 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 84 transitions. Word has length 15 [2024-10-14 21:09:25,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:09:25,090 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 84 transitions. [2024-10-14 21:09:25,091 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 2.888888888888889) internal successors, (26), 7 states have internal predecessors, (26), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 21:09:25,091 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 84 transitions. [2024-10-14 21:09:25,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-10-14 21:09:25,092 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:09:25,092 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 21:09:25,104 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-14 21:09:25,292 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-10-14 21:09:25,293 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting additionErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-14 21:09:25,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:09:25,293 INFO L85 PathProgramCache]: Analyzing trace with hash 1646980367, now seen corresponding path program 1 times [2024-10-14 21:09:25,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:09:25,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877464455] [2024-10-14 21:09:25,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:09:25,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:09:25,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:25,384 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:09:25,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:09:25,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877464455] [2024-10-14 21:09:25,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [877464455] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 21:09:25,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [185460920] [2024-10-14 21:09:25,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:09:25,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:09:25,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:09:25,390 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:09:25,391 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-14 21:09:25,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:25,434 INFO L255 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-14 21:09:25,435 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:09:25,473 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:09:25,474 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 21:09:25,546 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:09:25,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [185460920] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 21:09:25,547 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 21:09:25,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-10-14 21:09:25,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20904187] [2024-10-14 21:09:25,547 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 21:09:25,548 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-14 21:09:25,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:09:25,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-14 21:09:25,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-10-14 21:09:25,548 INFO L87 Difference]: Start difference. First operand 76 states and 84 transitions. Second operand has 12 states, 9 states have (on average 3.111111111111111) internal successors, (28), 7 states have internal predecessors, (28), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 21:09:25,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:09:25,676 INFO L93 Difference]: Finished difference Result 178 states and 198 transitions. [2024-10-14 21:09:25,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 21:09:25,677 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 3.111111111111111) internal successors, (28), 7 states have internal predecessors, (28), 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 16 [2024-10-14 21:09:25,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:09:25,680 INFO L225 Difference]: With dead ends: 178 [2024-10-14 21:09:25,680 INFO L226 Difference]: Without dead ends: 177 [2024-10-14 21:09:25,681 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2024-10-14 21:09:25,682 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 125 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 21:09:25,683 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 85 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 21:09:25,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2024-10-14 21:09:25,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 157. [2024-10-14 21:09:25,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 136 states have (on average 1.1544117647058822) internal successors, (157), 139 states have internal predecessors, (157), 17 states have call successors, (17), 17 states have call predecessors, (17), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 21:09:25,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 174 transitions. [2024-10-14 21:09:25,712 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 174 transitions. Word has length 16 [2024-10-14 21:09:25,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:09:25,712 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 174 transitions. [2024-10-14 21:09:25,713 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 3.111111111111111) internal successors, (28), 7 states have internal predecessors, (28), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 21:09:25,713 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 174 transitions. [2024-10-14 21:09:25,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-10-14 21:09:25,713 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:09:25,715 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 21:09:25,732 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-14 21:09:25,915 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:09:25,916 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting additionErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-14 21:09:25,916 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:09:25,916 INFO L85 PathProgramCache]: Analyzing trace with hash -361477782, now seen corresponding path program 1 times [2024-10-14 21:09:25,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:09:25,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231411500] [2024-10-14 21:09:25,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:09:25,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:09:25,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:25,961 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:09:25,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:09:25,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231411500] [2024-10-14 21:09:25,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231411500] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:09:25,962 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 21:09:25,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 21:09:25,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642476770] [2024-10-14 21:09:25,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:09:25,963 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 21:09:25,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:09:25,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 21:09:25,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 21:09:25,964 INFO L87 Difference]: Start difference. First operand 157 states and 174 transitions. Second operand has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 21:09:26,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:09:26,008 INFO L93 Difference]: Finished difference Result 158 states and 174 transitions. [2024-10-14 21:09:26,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 21:09:26,009 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 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 17 [2024-10-14 21:09:26,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:09:26,010 INFO L225 Difference]: With dead ends: 158 [2024-10-14 21:09:26,010 INFO L226 Difference]: Without dead ends: 79 [2024-10-14 21:09:26,010 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-10-14 21:09:26,011 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 10 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 21:09:26,011 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 36 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 21:09:26,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2024-10-14 21:09:26,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2024-10-14 21:09:26,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 68 states have (on average 1.0441176470588236) internal successors, (71), 69 states have internal predecessors, (71), 9 states have call successors, (9), 9 states have call predecessors, (9), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 21:09:26,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 80 transitions. [2024-10-14 21:09:26,026 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 80 transitions. Word has length 17 [2024-10-14 21:09:26,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:09:26,027 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 80 transitions. [2024-10-14 21:09:26,027 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 21:09:26,027 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 80 transitions. [2024-10-14 21:09:26,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-10-14 21:09:26,029 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:09:26,029 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 1, 1, 1] [2024-10-14 21:09:26,029 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-14 21:09:26,029 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-14 21:09:26,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:09:26,030 INFO L85 PathProgramCache]: Analyzing trace with hash -1044918202, now seen corresponding path program 2 times [2024-10-14 21:09:26,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:09:26,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846790670] [2024-10-14 21:09:26,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:09:26,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:09:26,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:26,234 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:09:26,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:09:26,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846790670] [2024-10-14 21:09:26,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1846790670] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 21:09:26,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [403601820] [2024-10-14 21:09:26,234 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 21:09:26,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:09:26,235 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:09:26,237 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:09:26,239 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-14 21:09:26,285 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-14 21:09:26,286 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 21:09:26,289 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-14 21:09:26,291 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:09:26,359 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:09:26,359 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 21:09:26,563 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:09:26,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [403601820] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 21:09:26,563 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 21:09:26,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 22 [2024-10-14 21:09:26,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553277070] [2024-10-14 21:09:26,564 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 21:09:26,564 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-10-14 21:09:26,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:09:26,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-10-14 21:09:26,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=416, Unknown=0, NotChecked=0, Total=552 [2024-10-14 21:09:26,565 INFO L87 Difference]: Start difference. First operand 79 states and 80 transitions. Second operand has 24 states, 21 states have (on average 3.238095238095238) internal successors, (68), 13 states have internal predecessors, (68), 10 states have call successors, (10), 10 states have call predecessors, (10), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 21:09:26,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:09:26,789 INFO L93 Difference]: Finished difference Result 131 states and 137 transitions. [2024-10-14 21:09:26,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-14 21:09:26,789 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 21 states have (on average 3.238095238095238) internal successors, (68), 13 states have internal predecessors, (68), 10 states have call successors, (10), 10 states have call predecessors, (10), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2024-10-14 21:09:26,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:09:26,790 INFO L225 Difference]: With dead ends: 131 [2024-10-14 21:09:26,790 INFO L226 Difference]: Without dead ends: 130 [2024-10-14 21:09:26,791 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=311, Invalid=811, Unknown=0, NotChecked=0, Total=1122 [2024-10-14 21:09:26,792 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 153 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 21:09:26,792 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 119 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 21:09:26,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2024-10-14 21:09:26,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 127. [2024-10-14 21:09:26,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 110 states have (on average 1.0272727272727273) internal successors, (113), 111 states have internal predecessors, (113), 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) [2024-10-14 21:09:26,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 128 transitions. [2024-10-14 21:09:26,808 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 128 transitions. Word has length 39 [2024-10-14 21:09:26,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:09:26,808 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 128 transitions. [2024-10-14 21:09:26,808 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 21 states have (on average 3.238095238095238) internal successors, (68), 13 states have internal predecessors, (68), 10 states have call successors, (10), 10 states have call predecessors, (10), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 21:09:26,809 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 128 transitions. [2024-10-14 21:09:26,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-10-14 21:09:26,810 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:09:26,810 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 1, 1, 1] [2024-10-14 21:09:26,826 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-14 21:09:27,010 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:09:27,011 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting additionErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-14 21:09:27,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:09:27,011 INFO L85 PathProgramCache]: Analyzing trace with hash -624848891, now seen corresponding path program 2 times [2024-10-14 21:09:27,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:09:27,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98536755] [2024-10-14 21:09:27,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:09:27,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:09:27,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:27,225 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:09:27,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:09:27,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98536755] [2024-10-14 21:09:27,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98536755] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 21:09:27,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [444049183] [2024-10-14 21:09:27,227 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 21:09:27,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:09:27,228 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:09:27,231 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:09:27,236 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-14 21:09:27,284 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-14 21:09:27,284 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 21:09:27,285 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-14 21:09:27,287 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:09:27,368 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:09:27,369 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 21:09:27,591 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:09:27,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [444049183] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 21:09:27,591 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 21:09:27,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 22 [2024-10-14 21:09:27,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523108879] [2024-10-14 21:09:27,592 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 21:09:27,592 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-10-14 21:09:27,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:09:27,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-10-14 21:09:27,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=416, Unknown=0, NotChecked=0, Total=552 [2024-10-14 21:09:27,594 INFO L87 Difference]: Start difference. First operand 127 states and 128 transitions. Second operand has 24 states, 21 states have (on average 3.619047619047619) internal successors, (76), 13 states have internal predecessors, (76), 10 states have call successors, (10), 10 states have call predecessors, (10), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 21:09:27,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:09:27,819 INFO L93 Difference]: Finished difference Result 186 states and 192 transitions. [2024-10-14 21:09:27,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-14 21:09:27,819 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 21 states have (on average 3.619047619047619) internal successors, (76), 13 states have internal predecessors, (76), 10 states have call successors, (10), 10 states have call predecessors, (10), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 43 [2024-10-14 21:09:27,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:09:27,821 INFO L225 Difference]: With dead ends: 186 [2024-10-14 21:09:27,821 INFO L226 Difference]: Without dead ends: 185 [2024-10-14 21:09:27,821 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=311, Invalid=811, Unknown=0, NotChecked=0, Total=1122 [2024-10-14 21:09:27,822 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 288 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 288 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 21:09:27,822 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [288 Valid, 134 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 21:09:27,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2024-10-14 21:09:27,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 181. [2024-10-14 21:09:27,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 158 states have (on average 1.018987341772152) internal successors, (161), 159 states have internal predecessors, (161), 21 states have call successors, (21), 21 states have call predecessors, (21), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 21:09:27,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 182 transitions. [2024-10-14 21:09:27,835 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 182 transitions. Word has length 43 [2024-10-14 21:09:27,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:09:27,835 INFO L471 AbstractCegarLoop]: Abstraction has 181 states and 182 transitions. [2024-10-14 21:09:27,835 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 21 states have (on average 3.619047619047619) internal successors, (76), 13 states have internal predecessors, (76), 10 states have call successors, (10), 10 states have call predecessors, (10), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 21:09:27,836 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 182 transitions. [2024-10-14 21:09:27,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-10-14 21:09:27,838 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:09:27,838 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 10, 10, 10, 10, 1, 1, 1] [2024-10-14 21:09:27,854 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-14 21:09:28,041 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-10-14 21:09:28,042 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-14 21:09:28,043 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:09:28,043 INFO L85 PathProgramCache]: Analyzing trace with hash 40816792, now seen corresponding path program 3 times [2024-10-14 21:09:28,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:09:28,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121240527] [2024-10-14 21:09:28,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:09:28,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:09:28,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:28,567 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 0 proven. 410 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:09:28,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:09:28,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121240527] [2024-10-14 21:09:28,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121240527] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 21:09:28,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1739913197] [2024-10-14 21:09:28,568 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-14 21:09:28,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:09:28,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:09:28,570 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:09:28,571 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-14 21:09:28,636 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-10-14 21:09:28,636 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 21:09:28,637 INFO L255 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-10-14 21:09:28,640 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:09:28,772 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 0 proven. 410 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:09:28,772 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 21:09:29,419 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 0 proven. 410 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:09:29,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1739913197] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 21:09:29,420 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 21:09:29,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 46 [2024-10-14 21:09:29,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650335553] [2024-10-14 21:09:29,420 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 21:09:29,421 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-10-14 21:09:29,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:09:29,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-10-14 21:09:29,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=556, Invalid=1700, Unknown=0, NotChecked=0, Total=2256 [2024-10-14 21:09:29,423 INFO L87 Difference]: Start difference. First operand 181 states and 182 transitions. Second operand has 48 states, 45 states have (on average 3.3777777777777778) internal successors, (152), 25 states have internal predecessors, (152), 22 states have call successors, (22), 22 states have call predecessors, (22), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 21:09:30,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:09:30,051 INFO L93 Difference]: Finished difference Result 281 states and 293 transitions. [2024-10-14 21:09:30,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-10-14 21:09:30,052 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 45 states have (on average 3.3777777777777778) internal successors, (152), 25 states have internal predecessors, (152), 22 states have call successors, (22), 22 states have call predecessors, (22), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2024-10-14 21:09:30,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:09:30,053 INFO L225 Difference]: With dead ends: 281 [2024-10-14 21:09:30,053 INFO L226 Difference]: Without dead ends: 280 [2024-10-14 21:09:30,055 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 924 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1337, Invalid=3493, Unknown=0, NotChecked=0, Total=4830 [2024-10-14 21:09:30,056 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 459 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 459 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 21:09:30,056 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [459 Valid, 207 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 191 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 21:09:30,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2024-10-14 21:09:30,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 277. [2024-10-14 21:09:30,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 242 states have (on average 1.012396694214876) internal successors, (245), 243 states have internal predecessors, (245), 33 states have call successors, (33), 33 states have call predecessors, (33), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 21:09:30,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 278 transitions. [2024-10-14 21:09:30,073 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 278 transitions. Word has length 87 [2024-10-14 21:09:30,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:09:30,073 INFO L471 AbstractCegarLoop]: Abstraction has 277 states and 278 transitions. [2024-10-14 21:09:30,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 45 states have (on average 3.3777777777777778) internal successors, (152), 25 states have internal predecessors, (152), 22 states have call successors, (22), 22 states have call predecessors, (22), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 21:09:30,074 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 278 transitions. [2024-10-14 21:09:30,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-10-14 21:09:30,075 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:09:30,075 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 10, 10, 10, 10, 10, 1, 1, 1] [2024-10-14 21:09:30,092 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-14 21:09:30,279 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:09:30,279 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting additionErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-14 21:09:30,280 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:09:30,280 INFO L85 PathProgramCache]: Analyzing trace with hash -452603451, now seen corresponding path program 3 times [2024-10-14 21:09:30,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:09:30,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934793711] [2024-10-14 21:09:30,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:09:30,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:09:30,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:30,803 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 0 proven. 455 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:09:30,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:09:30,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934793711] [2024-10-14 21:09:30,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934793711] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 21:09:30,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1126470899] [2024-10-14 21:09:30,804 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-14 21:09:30,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:09:30,804 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:09:30,806 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:09:30,807 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-14 21:09:30,863 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-10-14 21:09:30,863 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 21:09:30,864 INFO L255 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-10-14 21:09:30,867 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:09:31,007 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 0 proven. 455 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:09:31,007 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 21:09:31,693 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 0 proven. 455 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:09:31,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1126470899] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 21:09:31,694 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 21:09:31,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 46 [2024-10-14 21:09:31,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486181485] [2024-10-14 21:09:31,694 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 21:09:31,695 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-10-14 21:09:31,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:09:31,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-10-14 21:09:31,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=556, Invalid=1700, Unknown=0, NotChecked=0, Total=2256 [2024-10-14 21:09:31,697 INFO L87 Difference]: Start difference. First operand 277 states and 278 transitions. Second operand has 48 states, 45 states have (on average 3.8222222222222224) internal successors, (172), 25 states have internal predecessors, (172), 22 states have call successors, (22), 22 states have call predecessors, (22), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 21:09:32,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:09:32,334 INFO L93 Difference]: Finished difference Result 390 states and 402 transitions. [2024-10-14 21:09:32,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-10-14 21:09:32,335 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 45 states have (on average 3.8222222222222224) internal successors, (172), 25 states have internal predecessors, (172), 22 states have call successors, (22), 22 states have call predecessors, (22), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 97 [2024-10-14 21:09:32,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:09:32,337 INFO L225 Difference]: With dead ends: 390 [2024-10-14 21:09:32,337 INFO L226 Difference]: Without dead ends: 389 [2024-10-14 21:09:32,338 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 924 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1337, Invalid=3493, Unknown=0, NotChecked=0, Total=4830 [2024-10-14 21:09:32,339 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 523 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 523 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 21:09:32,339 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [523 Valid, 254 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 21:09:32,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2024-10-14 21:09:32,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 385. [2024-10-14 21:09:32,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 385 states, 338 states have (on average 1.0088757396449703) internal successors, (341), 339 states have internal predecessors, (341), 45 states have call successors, (45), 45 states have call predecessors, (45), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 21:09:32,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 386 transitions. [2024-10-14 21:09:32,359 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 386 transitions. Word has length 97 [2024-10-14 21:09:32,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:09:32,359 INFO L471 AbstractCegarLoop]: Abstraction has 385 states and 386 transitions. [2024-10-14 21:09:32,360 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 45 states have (on average 3.8222222222222224) internal successors, (172), 25 states have internal predecessors, (172), 22 states have call successors, (22), 22 states have call predecessors, (22), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 21:09:32,360 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 386 transitions. [2024-10-14 21:09:32,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-10-14 21:09:32,362 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:09:32,362 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 23, 22, 22, 22, 22, 1, 1, 1] [2024-10-14 21:09:32,379 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-14 21:09:32,562 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:09:32,563 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-14 21:09:32,564 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:09:32,564 INFO L85 PathProgramCache]: Analyzing trace with hash -392245956, now seen corresponding path program 4 times [2024-10-14 21:09:32,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:09:32,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267244110] [2024-10-14 21:09:32,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:09:32,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:09:32,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:34,071 INFO L134 CoverageAnalysis]: Checked inductivity of 1958 backedges. 0 proven. 1958 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:09:34,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:09:34,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267244110] [2024-10-14 21:09:34,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267244110] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 21:09:34,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [950798825] [2024-10-14 21:09:34,072 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-14 21:09:34,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:09:34,073 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:09:34,074 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:09:34,076 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-14 21:09:34,156 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-14 21:09:34,156 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 21:09:34,159 INFO L255 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-10-14 21:09:34,163 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:09:34,392 INFO L134 CoverageAnalysis]: Checked inductivity of 1958 backedges. 0 proven. 1958 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:09:34,393 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 21:09:36,558 INFO L134 CoverageAnalysis]: Checked inductivity of 1958 backedges. 0 proven. 1958 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:09:36,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [950798825] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 21:09:36,558 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 21:09:36,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 47, 47] total 94 [2024-10-14 21:09:36,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428028823] [2024-10-14 21:09:36,558 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 21:09:36,559 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2024-10-14 21:09:36,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:09:36,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2024-10-14 21:09:36,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2260, Invalid=6860, Unknown=0, NotChecked=0, Total=9120 [2024-10-14 21:09:36,565 INFO L87 Difference]: Start difference. First operand 385 states and 386 transitions. Second operand has 96 states, 93 states have (on average 3.4408602150537635) internal successors, (320), 49 states have internal predecessors, (320), 46 states have call successors, (46), 46 states have call predecessors, (46), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 21:09:38,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:09:38,290 INFO L93 Difference]: Finished difference Result 581 states and 605 transitions. [2024-10-14 21:09:38,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-10-14 21:09:38,290 INFO L78 Accepts]: Start accepts. Automaton has has 96 states, 93 states have (on average 3.4408602150537635) internal successors, (320), 49 states have internal predecessors, (320), 46 states have call successors, (46), 46 states have call predecessors, (46), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 183 [2024-10-14 21:09:38,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:09:38,293 INFO L225 Difference]: With dead ends: 581 [2024-10-14 21:09:38,293 INFO L226 Difference]: Without dead ends: 580 [2024-10-14 21:09:38,298 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 457 GetRequests, 317 SyntacticMatches, 0 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4140 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=5549, Invalid=14473, Unknown=0, NotChecked=0, Total=20022 [2024-10-14 21:09:38,299 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 1074 mSDsluCounter, 396 mSDsCounter, 0 mSdLazyCounter, 370 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1074 SdHoareTripleChecker+Valid, 408 SdHoareTripleChecker+Invalid, 376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 21:09:38,300 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1074 Valid, 408 Invalid, 376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 370 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 21:09:38,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2024-10-14 21:09:38,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 577. [2024-10-14 21:09:38,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 577 states, 506 states have (on average 1.0059288537549407) internal successors, (509), 507 states have internal predecessors, (509), 69 states have call successors, (69), 69 states have call predecessors, (69), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 21:09:38,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 577 states and 578 transitions. [2024-10-14 21:09:38,333 INFO L78 Accepts]: Start accepts. Automaton has 577 states and 578 transitions. Word has length 183 [2024-10-14 21:09:38,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:09:38,334 INFO L471 AbstractCegarLoop]: Abstraction has 577 states and 578 transitions. [2024-10-14 21:09:38,334 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 93 states have (on average 3.4408602150537635) internal successors, (320), 49 states have internal predecessors, (320), 46 states have call successors, (46), 46 states have call predecessors, (46), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 21:09:38,334 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 578 transitions. [2024-10-14 21:09:38,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2024-10-14 21:09:38,338 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:09:38,339 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 23, 22, 22, 22, 22, 22, 1, 1, 1] [2024-10-14 21:09:38,356 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-14 21:09:38,542 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,SelfDestructingSolverStorable13 [2024-10-14 21:09:38,543 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting additionErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-14 21:09:38,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:09:38,543 INFO L85 PathProgramCache]: Analyzing trace with hash -176560827, now seen corresponding path program 4 times [2024-10-14 21:09:38,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:09:38,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991837815] [2024-10-14 21:09:38,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:09:38,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:09:38,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:39,934 INFO L134 CoverageAnalysis]: Checked inductivity of 2189 backedges. 0 proven. 2189 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:09:39,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:09:39,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991837815] [2024-10-14 21:09:39,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [991837815] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 21:09:39,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1790153962] [2024-10-14 21:09:39,935 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-14 21:09:39,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:09:39,935 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:09:39,937 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:09:39,947 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-14 21:09:40,033 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-14 21:09:40,033 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 21:09:40,036 INFO L255 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-10-14 21:09:40,040 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:09:40,273 INFO L134 CoverageAnalysis]: Checked inductivity of 2189 backedges. 0 proven. 2189 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:09:40,273 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 21:09:42,081 INFO L134 CoverageAnalysis]: Checked inductivity of 2189 backedges. 0 proven. 2189 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:09:42,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1790153962] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 21:09:42,081 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 21:09:42,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 47, 47] total 94 [2024-10-14 21:09:42,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089354057] [2024-10-14 21:09:42,082 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 21:09:42,083 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2024-10-14 21:09:42,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:09:42,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2024-10-14 21:09:42,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2260, Invalid=6860, Unknown=0, NotChecked=0, Total=9120 [2024-10-14 21:09:42,087 INFO L87 Difference]: Start difference. First operand 577 states and 578 transitions. Second operand has 96 states, 93 states have (on average 3.913978494623656) internal successors, (364), 49 states have internal predecessors, (364), 46 states have call successors, (46), 46 states have call predecessors, (46), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 21:09:43,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:09:43,811 INFO L93 Difference]: Finished difference Result 798 states and 822 transitions. [2024-10-14 21:09:43,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-10-14 21:09:43,812 INFO L78 Accepts]: Start accepts. Automaton has has 96 states, 93 states have (on average 3.913978494623656) internal successors, (364), 49 states have internal predecessors, (364), 46 states have call successors, (46), 46 states have call predecessors, (46), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 205 [2024-10-14 21:09:43,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:09:43,815 INFO L225 Difference]: With dead ends: 798 [2024-10-14 21:09:43,815 INFO L226 Difference]: Without dead ends: 797 [2024-10-14 21:09:43,819 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 501 GetRequests, 361 SyntacticMatches, 0 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4140 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=5549, Invalid=14473, Unknown=0, NotChecked=0, Total=20022 [2024-10-14 21:09:43,820 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 1123 mSDsluCounter, 493 mSDsCounter, 0 mSdLazyCounter, 384 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1123 SdHoareTripleChecker+Valid, 505 SdHoareTripleChecker+Invalid, 391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 384 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 21:09:43,820 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1123 Valid, 505 Invalid, 391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 384 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 21:09:43,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 797 states. [2024-10-14 21:09:43,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 797 to 793. [2024-10-14 21:09:43,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 793 states, 698 states have (on average 1.004297994269341) internal successors, (701), 699 states have internal predecessors, (701), 93 states have call successors, (93), 93 states have call predecessors, (93), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 21:09:43,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 793 states and 794 transitions. [2024-10-14 21:09:43,866 INFO L78 Accepts]: Start accepts. Automaton has 793 states and 794 transitions. Word has length 205 [2024-10-14 21:09:43,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:09:43,867 INFO L471 AbstractCegarLoop]: Abstraction has 793 states and 794 transitions. [2024-10-14 21:09:43,867 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 93 states have (on average 3.913978494623656) internal successors, (364), 49 states have internal predecessors, (364), 46 states have call successors, (46), 46 states have call predecessors, (46), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 21:09:43,867 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 794 transitions. [2024-10-14 21:09:43,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2024-10-14 21:09:43,874 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:09:43,874 INFO L215 NwaCegarLoop]: trace histogram [47, 47, 47, 47, 46, 46, 46, 46, 1, 1, 1] [2024-10-14 21:09:43,891 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-14 21:09:44,078 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-10-14 21:09:44,079 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-14 21:09:44,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:09:44,080 INFO L85 PathProgramCache]: Analyzing trace with hash -152652156, now seen corresponding path program 5 times [2024-10-14 21:09:44,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:09:44,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615026181] [2024-10-14 21:09:44,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:09:44,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:09:44,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:09:48,624 INFO L134 CoverageAnalysis]: Checked inductivity of 8510 backedges. 0 proven. 8510 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:09:48,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:09:48,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615026181] [2024-10-14 21:09:48,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1615026181] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 21:09:48,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1700126401] [2024-10-14 21:09:48,625 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-14 21:09:48,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:09:48,625 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:09:48,627 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:09:48,628 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-14 21:09:48,826 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2024-10-14 21:09:48,827 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 21:09:48,834 INFO L255 TraceCheckSpWp]: Trace formula consists of 775 conjuncts, 96 conjuncts are in the unsatisfiable core [2024-10-14 21:09:48,840 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:09:49,193 INFO L134 CoverageAnalysis]: Checked inductivity of 8510 backedges. 0 proven. 8510 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:09:49,194 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 21:09:55,596 INFO L134 CoverageAnalysis]: Checked inductivity of 8510 backedges. 0 proven. 8510 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:09:55,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1700126401] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 21:09:55,596 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 21:09:55,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [95, 95, 95] total 190 [2024-10-14 21:09:55,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173573359] [2024-10-14 21:09:55,597 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 21:09:55,598 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 192 states [2024-10-14 21:09:55,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:09:55,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 192 interpolants. [2024-10-14 21:09:55,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9124, Invalid=27548, Unknown=0, NotChecked=0, Total=36672 [2024-10-14 21:09:55,604 INFO L87 Difference]: Start difference. First operand 793 states and 794 transitions. Second operand has 192 states, 189 states have (on average 3.4708994708994707) internal successors, (656), 97 states have internal predecessors, (656), 94 states have call successors, (94), 94 states have call predecessors, (94), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 21:10:03,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:10:03,007 INFO L93 Difference]: Finished difference Result 1181 states and 1229 transitions. [2024-10-14 21:10:03,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2024-10-14 21:10:03,008 INFO L78 Accepts]: Start accepts. Automaton has has 192 states, 189 states have (on average 3.4708994708994707) internal successors, (656), 97 states have internal predecessors, (656), 94 states have call successors, (94), 94 states have call predecessors, (94), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 375 [2024-10-14 21:10:03,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:10:03,012 INFO L225 Difference]: With dead ends: 1181 [2024-10-14 21:10:03,012 INFO L226 Difference]: Without dead ends: 1180 [2024-10-14 21:10:03,020 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 937 GetRequests, 653 SyntacticMatches, 0 SemanticMatches, 284 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17484 ImplicationChecksByTransitivity, 12.8s TimeCoverageRelationStatistics Valid=22613, Invalid=58897, Unknown=0, NotChecked=0, Total=81510 [2024-10-14 21:10:03,020 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 2726 mSDsluCounter, 786 mSDsCounter, 0 mSdLazyCounter, 732 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2726 SdHoareTripleChecker+Valid, 798 SdHoareTripleChecker+Invalid, 738 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 732 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 21:10:03,021 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2726 Valid, 798 Invalid, 738 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 732 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 21:10:03,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1180 states. [2024-10-14 21:10:03,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1180 to 1177. [2024-10-14 21:10:03,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1177 states, 1034 states have (on average 1.0029013539651837) internal successors, (1037), 1035 states have internal predecessors, (1037), 141 states have call successors, (141), 141 states have call predecessors, (141), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 21:10:03,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1177 states to 1177 states and 1178 transitions. [2024-10-14 21:10:03,080 INFO L78 Accepts]: Start accepts. Automaton has 1177 states and 1178 transitions. Word has length 375 [2024-10-14 21:10:03,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:10:03,081 INFO L471 AbstractCegarLoop]: Abstraction has 1177 states and 1178 transitions. [2024-10-14 21:10:03,082 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 192 states, 189 states have (on average 3.4708994708994707) internal successors, (656), 97 states have internal predecessors, (656), 94 states have call successors, (94), 94 states have call predecessors, (94), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 21:10:03,082 INFO L276 IsEmpty]: Start isEmpty. Operand 1177 states and 1178 transitions. [2024-10-14 21:10:03,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 422 [2024-10-14 21:10:03,094 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:10:03,094 INFO L215 NwaCegarLoop]: trace histogram [47, 47, 47, 47, 46, 46, 46, 46, 46, 1, 1, 1] [2024-10-14 21:10:03,120 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-10-14 21:10:03,299 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-10-14 21:10:03,300 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting additionErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-14 21:10:03,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:10:03,300 INFO L85 PathProgramCache]: Analyzing trace with hash -1784656827, now seen corresponding path program 5 times [2024-10-14 21:10:03,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:10:03,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005895424] [2024-10-14 21:10:03,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:10:03,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:10:03,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:07,911 INFO L134 CoverageAnalysis]: Checked inductivity of 9545 backedges. 0 proven. 9545 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:10:07,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:10:07,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005895424] [2024-10-14 21:10:07,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005895424] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 21:10:07,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [552668575] [2024-10-14 21:10:07,911 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-14 21:10:07,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:10:07,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:10:07,912 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:10:07,913 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-14 21:10:08,096 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2024-10-14 21:10:08,096 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 21:10:08,100 INFO L255 TraceCheckSpWp]: Trace formula consists of 821 conjuncts, 96 conjuncts are in the unsatisfiable core [2024-10-14 21:10:08,105 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:10:08,524 INFO L134 CoverageAnalysis]: Checked inductivity of 9545 backedges. 0 proven. 9545 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:10:08,524 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 21:10:15,421 INFO L134 CoverageAnalysis]: Checked inductivity of 9545 backedges. 0 proven. 9545 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:10:15,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [552668575] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 21:10:15,421 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 21:10:15,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [95, 95, 95] total 190 [2024-10-14 21:10:15,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550018504] [2024-10-14 21:10:15,422 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 21:10:15,423 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 192 states [2024-10-14 21:10:15,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:10:15,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 192 interpolants. [2024-10-14 21:10:15,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9124, Invalid=27548, Unknown=0, NotChecked=0, Total=36672 [2024-10-14 21:10:15,430 INFO L87 Difference]: Start difference. First operand 1177 states and 1178 transitions. Second operand has 192 states, 189 states have (on average 3.9576719576719577) internal successors, (748), 97 states have internal predecessors, (748), 94 states have call successors, (94), 94 states have call predecessors, (94), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 21:10:22,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:10:22,968 INFO L93 Difference]: Finished difference Result 1614 states and 1662 transitions. [2024-10-14 21:10:22,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2024-10-14 21:10:22,969 INFO L78 Accepts]: Start accepts. Automaton has has 192 states, 189 states have (on average 3.9576719576719577) internal successors, (748), 97 states have internal predecessors, (748), 94 states have call successors, (94), 94 states have call predecessors, (94), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 421 [2024-10-14 21:10:22,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:10:22,975 INFO L225 Difference]: With dead ends: 1614 [2024-10-14 21:10:22,975 INFO L226 Difference]: Without dead ends: 1613 [2024-10-14 21:10:22,980 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1029 GetRequests, 745 SyntacticMatches, 0 SemanticMatches, 284 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17484 ImplicationChecksByTransitivity, 13.7s TimeCoverageRelationStatistics Valid=22613, Invalid=58897, Unknown=0, NotChecked=0, Total=81510 [2024-10-14 21:10:22,981 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 3145 mSDsluCounter, 965 mSDsCounter, 0 mSdLazyCounter, 714 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3145 SdHoareTripleChecker+Valid, 977 SdHoareTripleChecker+Invalid, 720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 714 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 21:10:22,981 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3145 Valid, 977 Invalid, 720 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 714 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 21:10:22,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1613 states. [2024-10-14 21:10:23,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1613 to 1609. [2024-10-14 21:10:23,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1609 states, 1418 states have (on average 1.0021156558533146) internal successors, (1421), 1419 states have internal predecessors, (1421), 189 states have call successors, (189), 189 states have call predecessors, (189), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 21:10:23,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1609 states to 1609 states and 1610 transitions. [2024-10-14 21:10:23,057 INFO L78 Accepts]: Start accepts. Automaton has 1609 states and 1610 transitions. Word has length 421 [2024-10-14 21:10:23,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:10:23,058 INFO L471 AbstractCegarLoop]: Abstraction has 1609 states and 1610 transitions. [2024-10-14 21:10:23,059 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 192 states, 189 states have (on average 3.9576719576719577) internal successors, (748), 97 states have internal predecessors, (748), 94 states have call successors, (94), 94 states have call predecessors, (94), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 21:10:23,059 INFO L276 IsEmpty]: Start isEmpty. Operand 1609 states and 1610 transitions. [2024-10-14 21:10:23,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 760 [2024-10-14 21:10:23,065 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:10:23,066 INFO L215 NwaCegarLoop]: trace histogram [95, 95, 95, 95, 94, 94, 94, 94, 1, 1, 1] [2024-10-14 21:10:23,083 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-10-14 21:10:23,266 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-10-14 21:10:23,266 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-14 21:10:23,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:10:23,267 INFO L85 PathProgramCache]: Analyzing trace with hash 303450388, now seen corresponding path program 6 times [2024-10-14 21:10:23,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:10:23,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340290896] [2024-10-14 21:10:23,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:10:23,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:10:23,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:10:40,868 INFO L134 CoverageAnalysis]: Checked inductivity of 35438 backedges. 0 proven. 35438 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:10:40,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:10:40,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340290896] [2024-10-14 21:10:40,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [340290896] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 21:10:40,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2138880590] [2024-10-14 21:10:40,869 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-10-14 21:10:40,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:10:40,869 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:10:40,871 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:10:40,872 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-14 21:10:41,271 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) [2024-10-14 21:10:41,271 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 21:10:41,278 INFO L255 TraceCheckSpWp]: Trace formula consists of 1543 conjuncts, 192 conjuncts are in the unsatisfiable core [2024-10-14 21:10:41,300 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:10:42,091 INFO L134 CoverageAnalysis]: Checked inductivity of 35438 backedges. 0 proven. 35438 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:10:42,091 INFO L311 TraceCheckSpWp]: Computing backward predicates...