./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/loop-zilu/benchmark41_conjunctive.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/loop-zilu/benchmark41_conjunctive.i -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 e8c2a2f5606e46c1a328e1728dc6cdf6823e5c50ed56fab8310a8cb7bd30fe62 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 10:26:18,377 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 10:26:18,457 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-19 10:26:18,464 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 10:26:18,465 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 10:26:18,498 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 10:26:18,499 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 10:26:18,499 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 10:26:18,500 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 10:26:18,501 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 10:26:18,502 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 10:26:18,503 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 10:26:18,503 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 10:26:18,504 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 10:26:18,504 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 10:26:18,506 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 10:26:18,506 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 10:26:18,506 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 10:26:18,507 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 10:26:18,507 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 10:26:18,507 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 10:26:18,510 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 10:26:18,511 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 10:26:18,511 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 10:26:18,511 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 10:26:18,511 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 10:26:18,511 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 10:26:18,512 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 10:26:18,512 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 10:26:18,512 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 10:26:18,512 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 10:26:18,513 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 10:26:18,513 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 10:26:18,513 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 10:26:18,513 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 10:26:18,513 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 10:26:18,514 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 10:26:18,514 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 10:26:18,514 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 10:26:18,515 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 10:26:18,515 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 10:26:18,516 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 10:26:18,516 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 10:26:18,517 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 10:26:18,517 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e8c2a2f5606e46c1a328e1728dc6cdf6823e5c50ed56fab8310a8cb7bd30fe62 [2024-11-19 10:26:18,749 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 10:26:18,771 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 10:26:18,774 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 10:26:18,775 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 10:26:18,775 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 10:26:18,777 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-zilu/benchmark41_conjunctive.i [2024-11-19 10:26:20,233 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 10:26:20,411 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 10:26:20,412 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-zilu/benchmark41_conjunctive.i [2024-11-19 10:26:20,417 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fa5b0493/24820077fffa4a67890d41b33e2ab5b8/FLAG18ae684e3 [2024-11-19 10:26:20,428 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fa5b0493/24820077fffa4a67890d41b33e2ab5b8 [2024-11-19 10:26:20,430 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 10:26:20,431 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 10:26:20,434 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 10:26:20,434 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 10:26:20,440 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 10:26:20,440 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:26:20" (1/1) ... [2024-11-19 10:26:20,443 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ebf55c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:20, skipping insertion in model container [2024-11-19 10:26:20,443 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:26:20" (1/1) ... [2024-11-19 10:26:20,461 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 10:26:20,660 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 10:26:20,670 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 10:26:20,691 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 10:26:20,710 INFO L204 MainTranslator]: Completed translation [2024-11-19 10:26:20,710 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:20 WrapperNode [2024-11-19 10:26:20,714 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 10:26:20,715 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 10:26:20,715 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 10:26:20,715 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 10:26:20,720 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:20" (1/1) ... [2024-11-19 10:26:20,727 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:20" (1/1) ... [2024-11-19 10:26:20,743 INFO L138 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 60 [2024-11-19 10:26:20,744 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 10:26:20,745 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 10:26:20,745 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 10:26:20,745 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 10:26:20,755 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:20" (1/1) ... [2024-11-19 10:26:20,756 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:20" (1/1) ... [2024-11-19 10:26:20,757 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:20" (1/1) ... [2024-11-19 10:26:20,773 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-19 10:26:20,774 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:20" (1/1) ... [2024-11-19 10:26:20,774 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:20" (1/1) ... [2024-11-19 10:26:20,776 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:20" (1/1) ... [2024-11-19 10:26:20,780 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:20" (1/1) ... [2024-11-19 10:26:20,781 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:20" (1/1) ... [2024-11-19 10:26:20,782 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:20" (1/1) ... [2024-11-19 10:26:20,783 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 10:26:20,784 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 10:26:20,784 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 10:26:20,784 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 10:26:20,785 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:20" (1/1) ... [2024-11-19 10:26:20,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 10:26:20,800 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:26:20,826 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 10:26:20,834 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 10:26:20,880 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 10:26:20,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 10:26:20,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 10:26:20,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 10:26:20,953 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 10:26:20,956 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 10:26:21,154 INFO L? ?]: Removed 31 outVars from TransFormulas that were not future-live. [2024-11-19 10:26:21,154 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 10:26:21,172 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 10:26:21,174 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-19 10:26:21,174 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:26:21 BoogieIcfgContainer [2024-11-19 10:26:21,174 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 10:26:21,177 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 10:26:21,177 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 10:26:21,180 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 10:26:21,181 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 10:26:20" (1/3) ... [2024-11-19 10:26:21,181 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@489eb03f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:26:21, skipping insertion in model container [2024-11-19 10:26:21,181 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:20" (2/3) ... [2024-11-19 10:26:21,182 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@489eb03f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:26:21, skipping insertion in model container [2024-11-19 10:26:21,182 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:26:21" (3/3) ... [2024-11-19 10:26:21,184 INFO L112 eAbstractionObserver]: Analyzing ICFG benchmark41_conjunctive.i [2024-11-19 10:26:21,200 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 10:26:21,200 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2024-11-19 10:26:21,266 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 10:26:21,277 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;@fecaf23, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 10:26:21,277 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-11-19 10:26:21,282 INFO L276 IsEmpty]: Start isEmpty. Operand has 35 states, 24 states have (on average 1.6666666666666667) internal successors, (40), 34 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:21,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-19 10:26:21,288 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:26:21,289 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-19 10:26:21,289 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:26:21,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:26:21,294 INFO L85 PathProgramCache]: Analyzing trace with hash 889571337, now seen corresponding path program 1 times [2024-11-19 10:26:21,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:26:21,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18233504] [2024-11-19 10:26:21,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:21,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:26:21,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:26:21,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:21,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:26:21,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18233504] [2024-11-19 10:26:21,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18233504] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:26:21,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:26:21,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:26:21,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87747834] [2024-11-19 10:26:21,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:26:21,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:26:21,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:26:21,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:26:21,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:26:21,530 INFO L87 Difference]: Start difference. First operand has 35 states, 24 states have (on average 1.6666666666666667) internal successors, (40), 34 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:21,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:26:21,602 INFO L93 Difference]: Finished difference Result 57 states and 66 transitions. [2024-11-19 10:26:21,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:26:21,605 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-19 10:26:21,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:26:21,613 INFO L225 Difference]: With dead ends: 57 [2024-11-19 10:26:21,613 INFO L226 Difference]: Without dead ends: 26 [2024-11-19 10:26:21,634 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:26:21,640 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 20 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:26:21,642 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 45 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:26:21,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2024-11-19 10:26:21,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2024-11-19 10:26:21,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 25 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:21,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 26 transitions. [2024-11-19 10:26:21,686 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 26 transitions. Word has length 6 [2024-11-19 10:26:21,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:26:21,686 INFO L471 AbstractCegarLoop]: Abstraction has 26 states and 26 transitions. [2024-11-19 10:26:21,686 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:21,687 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 26 transitions. [2024-11-19 10:26:21,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-19 10:26:21,687 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:26:21,687 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:26:21,688 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 10:26:21,688 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:26:21,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:26:21,689 INFO L85 PathProgramCache]: Analyzing trace with hash 1806907722, now seen corresponding path program 1 times [2024-11-19 10:26:21,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:26:21,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139948003] [2024-11-19 10:26:21,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:21,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:26:21,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:26:21,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:21,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:26:21,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139948003] [2024-11-19 10:26:21,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139948003] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:26:21,810 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:26:21,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:26:21,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118240123] [2024-11-19 10:26:21,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:26:21,812 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:26:21,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:26:21,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:26:21,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:26:21,815 INFO L87 Difference]: Start difference. First operand 26 states and 26 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:21,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:26:21,864 INFO L93 Difference]: Finished difference Result 37 states and 41 transitions. [2024-11-19 10:26:21,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:26:21,865 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-19 10:26:21,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:26:21,866 INFO L225 Difference]: With dead ends: 37 [2024-11-19 10:26:21,866 INFO L226 Difference]: Without dead ends: 36 [2024-11-19 10:26:21,867 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:26:21,870 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 6 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:26:21,870 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 41 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:26:21,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2024-11-19 10:26:21,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 30. [2024-11-19 10:26:21,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 21 states have (on average 1.4761904761904763) internal successors, (31), 29 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:21,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 31 transitions. [2024-11-19 10:26:21,881 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 31 transitions. Word has length 7 [2024-11-19 10:26:21,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:26:21,881 INFO L471 AbstractCegarLoop]: Abstraction has 30 states and 31 transitions. [2024-11-19 10:26:21,881 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:21,882 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 31 transitions. [2024-11-19 10:26:21,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-19 10:26:21,882 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:26:21,882 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:26:21,883 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 10:26:21,883 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:26:21,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:26:21,884 INFO L85 PathProgramCache]: Analyzing trace with hash 179564587, now seen corresponding path program 1 times [2024-11-19 10:26:21,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:26:21,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720852217] [2024-11-19 10:26:21,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:21,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:26:21,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:26:21,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:21,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:26:21,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720852217] [2024-11-19 10:26:21,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1720852217] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:26:21,969 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:26:21,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:26:21,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631324742] [2024-11-19 10:26:21,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:26:21,970 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:26:21,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:26:21,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:26:21,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:26:21,973 INFO L87 Difference]: Start difference. First operand 30 states and 31 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:22,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:26:22,017 INFO L93 Difference]: Finished difference Result 30 states and 31 transitions. [2024-11-19 10:26:22,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:26:22,017 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-19 10:26:22,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:26:22,018 INFO L225 Difference]: With dead ends: 30 [2024-11-19 10:26:22,018 INFO L226 Difference]: Without dead ends: 29 [2024-11-19 10:26:22,019 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:26:22,020 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 12 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:26:22,020 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 26 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:26:22,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2024-11-19 10:26:22,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2024-11-19 10:26:22,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 21 states have (on average 1.4285714285714286) internal successors, (30), 28 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:22,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 30 transitions. [2024-11-19 10:26:22,025 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 30 transitions. Word has length 8 [2024-11-19 10:26:22,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:26:22,026 INFO L471 AbstractCegarLoop]: Abstraction has 29 states and 30 transitions. [2024-11-19 10:26:22,026 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:22,026 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2024-11-19 10:26:22,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-19 10:26:22,027 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:26:22,027 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:26:22,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 10:26:22,027 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:26:22,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:26:22,028 INFO L85 PathProgramCache]: Analyzing trace with hash 179518939, now seen corresponding path program 1 times [2024-11-19 10:26:22,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:26:22,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689978152] [2024-11-19 10:26:22,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:22,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:26:22,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:26:22,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:22,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:26:22,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689978152] [2024-11-19 10:26:22,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689978152] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:26:22,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:26:22,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 10:26:22,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844017118] [2024-11-19 10:26:22,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:26:22,148 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 10:26:22,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:26:22,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 10:26:22,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:26:22,149 INFO L87 Difference]: Start difference. First operand 29 states and 30 transitions. Second operand has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:22,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:26:22,213 INFO L93 Difference]: Finished difference Result 35 states and 39 transitions. [2024-11-19 10:26:22,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 10:26:22,214 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-19 10:26:22,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:26:22,214 INFO L225 Difference]: With dead ends: 35 [2024-11-19 10:26:22,215 INFO L226 Difference]: Without dead ends: 34 [2024-11-19 10:26:22,216 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-19 10:26:22,218 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 24 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:26:22,219 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 38 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:26:22,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2024-11-19 10:26:22,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 28. [2024-11-19 10:26:22,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 21 states have (on average 1.380952380952381) internal successors, (29), 27 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:22,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 29 transitions. [2024-11-19 10:26:22,225 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 29 transitions. Word has length 8 [2024-11-19 10:26:22,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:26:22,226 INFO L471 AbstractCegarLoop]: Abstraction has 28 states and 29 transitions. [2024-11-19 10:26:22,226 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:22,226 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions. [2024-11-19 10:26:22,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-19 10:26:22,227 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:26:22,227 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:26:22,227 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 10:26:22,228 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:26:22,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:26:22,228 INFO L85 PathProgramCache]: Analyzing trace with hash 1271534956, now seen corresponding path program 1 times [2024-11-19 10:26:22,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:26:22,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156159754] [2024-11-19 10:26:22,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:22,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:26:22,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:26:22,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:22,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:26:22,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156159754] [2024-11-19 10:26:22,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1156159754] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:26:22,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:26:22,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:26:22,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692037074] [2024-11-19 10:26:22,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:26:22,282 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:26:22,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:26:22,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:26:22,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:26:22,283 INFO L87 Difference]: Start difference. First operand 28 states and 29 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:22,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:26:22,326 INFO L93 Difference]: Finished difference Result 37 states and 40 transitions. [2024-11-19 10:26:22,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:26:22,327 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-11-19 10:26:22,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:26:22,327 INFO L225 Difference]: With dead ends: 37 [2024-11-19 10:26:22,328 INFO L226 Difference]: Without dead ends: 36 [2024-11-19 10:26:22,328 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:26:22,329 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 6 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:26:22,330 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 38 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:26:22,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2024-11-19 10:26:22,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 30. [2024-11-19 10:26:22,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 23 states have (on average 1.3478260869565217) internal successors, (31), 29 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:22,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 31 transitions. [2024-11-19 10:26:22,340 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 31 transitions. Word has length 9 [2024-11-19 10:26:22,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:26:22,340 INFO L471 AbstractCegarLoop]: Abstraction has 30 states and 31 transitions. [2024-11-19 10:26:22,340 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:22,341 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 31 transitions. [2024-11-19 10:26:22,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-19 10:26:22,341 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:26:22,341 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:26:22,341 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 10:26:22,342 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:26:22,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:26:22,343 INFO L85 PathProgramCache]: Analyzing trace with hash 1270119883, now seen corresponding path program 1 times [2024-11-19 10:26:22,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:26:22,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460764286] [2024-11-19 10:26:22,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:22,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:26:22,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:26:22,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:22,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:26:22,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460764286] [2024-11-19 10:26:22,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460764286] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:26:22,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:26:22,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:26:22,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872907564] [2024-11-19 10:26:22,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:26:22,419 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:26:22,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:26:22,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:26:22,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:26:22,420 INFO L87 Difference]: Start difference. First operand 30 states and 31 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:22,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:26:22,467 INFO L93 Difference]: Finished difference Result 35 states and 36 transitions. [2024-11-19 10:26:22,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:26:22,469 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-11-19 10:26:22,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:26:22,471 INFO L225 Difference]: With dead ends: 35 [2024-11-19 10:26:22,472 INFO L226 Difference]: Without dead ends: 34 [2024-11-19 10:26:22,472 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:26:22,473 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 23 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:26:22,473 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 30 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:26:22,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2024-11-19 10:26:22,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2024-11-19 10:26:22,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 27 states have (on average 1.2962962962962963) internal successors, (35), 33 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:22,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 35 transitions. [2024-11-19 10:26:22,481 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 35 transitions. Word has length 9 [2024-11-19 10:26:22,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:26:22,481 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 35 transitions. [2024-11-19 10:26:22,481 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:22,482 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 35 transitions. [2024-11-19 10:26:22,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-19 10:26:22,482 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:26:22,486 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:26:22,487 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 10:26:22,490 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:26:22,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:26:22,491 INFO L85 PathProgramCache]: Analyzing trace with hash 762878029, now seen corresponding path program 1 times [2024-11-19 10:26:22,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:26:22,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215792082] [2024-11-19 10:26:22,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:22,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:26:22,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:26:22,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:22,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:26:22,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215792082] [2024-11-19 10:26:22,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1215792082] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:26:22,545 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:26:22,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:26:22,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530987190] [2024-11-19 10:26:22,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:26:22,547 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:26:22,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:26:22,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:26:22,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:26:22,548 INFO L87 Difference]: Start difference. First operand 34 states and 35 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:22,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:26:22,570 INFO L93 Difference]: Finished difference Result 39 states and 42 transitions. [2024-11-19 10:26:22,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:26:22,571 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-11-19 10:26:22,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:26:22,572 INFO L225 Difference]: With dead ends: 39 [2024-11-19 10:26:22,572 INFO L226 Difference]: Without dead ends: 38 [2024-11-19 10:26:22,572 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:26:22,574 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 7 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 33 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 [2024-11-19 10:26:22,574 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 33 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:26:22,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2024-11-19 10:26:22,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 35. [2024-11-19 10:26:22,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 28 states have (on average 1.2857142857142858) internal successors, (36), 34 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:22,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 36 transitions. [2024-11-19 10:26:22,579 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 36 transitions. Word has length 10 [2024-11-19 10:26:22,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:26:22,579 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 36 transitions. [2024-11-19 10:26:22,579 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:22,580 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 36 transitions. [2024-11-19 10:26:22,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-19 10:26:22,580 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:26:22,580 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:26:22,581 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 10:26:22,582 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:26:22,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:26:22,582 INFO L85 PathProgramCache]: Analyzing trace with hash 719010781, now seen corresponding path program 1 times [2024-11-19 10:26:22,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:26:22,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272741365] [2024-11-19 10:26:22,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:22,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:26:22,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:26:22,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:22,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:26:22,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272741365] [2024-11-19 10:26:22,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [272741365] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:26:22,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:26:22,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 10:26:22,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059090744] [2024-11-19 10:26:22,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:26:22,672 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 10:26:22,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:26:22,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 10:26:22,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:26:22,673 INFO L87 Difference]: Start difference. First operand 35 states and 36 transitions. Second operand has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:22,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:26:22,739 INFO L93 Difference]: Finished difference Result 38 states and 39 transitions. [2024-11-19 10:26:22,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:26:22,739 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-11-19 10:26:22,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:26:22,740 INFO L225 Difference]: With dead ends: 38 [2024-11-19 10:26:22,740 INFO L226 Difference]: Without dead ends: 37 [2024-11-19 10:26:22,740 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-19 10:26:22,741 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 14 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:26:22,741 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 33 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:26:22,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2024-11-19 10:26:22,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 36. [2024-11-19 10:26:22,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 29 states have (on average 1.2758620689655173) internal successors, (37), 35 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:22,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 37 transitions. [2024-11-19 10:26:22,746 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 37 transitions. Word has length 10 [2024-11-19 10:26:22,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:26:22,746 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 37 transitions. [2024-11-19 10:26:22,746 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:22,746 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 37 transitions. [2024-11-19 10:26:22,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-19 10:26:22,747 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:26:22,747 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:26:22,747 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-19 10:26:22,747 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:26:22,748 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:26:22,748 INFO L85 PathProgramCache]: Analyzing trace with hash -2120584818, now seen corresponding path program 1 times [2024-11-19 10:26:22,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:26:22,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051410485] [2024-11-19 10:26:22,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:22,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:26:22,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:26:22,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:22,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:26:22,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051410485] [2024-11-19 10:26:22,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051410485] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:26:22,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:26:22,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:26:22,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205557534] [2024-11-19 10:26:22,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:26:22,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:26:22,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:26:22,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:26:22,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:26:22,790 INFO L87 Difference]: Start difference. First operand 36 states and 37 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:22,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:26:22,807 INFO L93 Difference]: Finished difference Result 36 states and 37 transitions. [2024-11-19 10:26:22,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:26:22,808 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-11-19 10:26:22,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:26:22,809 INFO L225 Difference]: With dead ends: 36 [2024-11-19 10:26:22,809 INFO L226 Difference]: Without dead ends: 35 [2024-11-19 10:26:22,810 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:26:22,811 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 9 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:26:22,811 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 17 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:26:22,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2024-11-19 10:26:22,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2024-11-19 10:26:22,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 29 states have (on average 1.2413793103448276) internal successors, (36), 34 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:22,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 36 transitions. [2024-11-19 10:26:22,822 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 36 transitions. Word has length 11 [2024-11-19 10:26:22,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:26:22,822 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 36 transitions. [2024-11-19 10:26:22,822 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:22,825 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 36 transitions. [2024-11-19 10:26:22,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-19 10:26:22,825 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:26:22,825 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:26:22,825 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-19 10:26:22,826 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:26:22,826 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:26:22,827 INFO L85 PathProgramCache]: Analyzing trace with hash 814497805, now seen corresponding path program 1 times [2024-11-19 10:26:22,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:26:22,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634870500] [2024-11-19 10:26:22,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:22,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:26:22,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:26:22,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:22,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:26:22,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634870500] [2024-11-19 10:26:22,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1634870500] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:26:22,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:26:22,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:26:22,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612467482] [2024-11-19 10:26:22,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:26:22,873 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:26:22,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:26:22,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:26:22,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:26:22,874 INFO L87 Difference]: Start difference. First operand 35 states and 36 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:22,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:26:22,913 INFO L93 Difference]: Finished difference Result 37 states and 37 transitions. [2024-11-19 10:26:22,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:26:22,914 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-11-19 10:26:22,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:26:22,914 INFO L225 Difference]: With dead ends: 37 [2024-11-19 10:26:22,914 INFO L226 Difference]: Without dead ends: 30 [2024-11-19 10:26:22,915 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:26:22,915 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 21 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:26:22,916 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 25 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:26:22,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2024-11-19 10:26:22,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2024-11-19 10:26:22,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 24 states have (on average 1.25) internal successors, (30), 29 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:22,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 30 transitions. [2024-11-19 10:26:22,921 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 30 transitions. Word has length 11 [2024-11-19 10:26:22,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:26:22,921 INFO L471 AbstractCegarLoop]: Abstraction has 30 states and 30 transitions. [2024-11-19 10:26:22,921 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:22,921 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 30 transitions. [2024-11-19 10:26:22,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-19 10:26:22,921 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:26:22,921 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:26:22,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-19 10:26:22,922 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:26:22,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:26:22,922 INFO L85 PathProgramCache]: Analyzing trace with hash 1692321973, now seen corresponding path program 1 times [2024-11-19 10:26:22,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:26:22,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064196807] [2024-11-19 10:26:22,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:22,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:26:22,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:26:23,004 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:23,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:26:23,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064196807] [2024-11-19 10:26:23,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064196807] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:26:23,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [8661173] [2024-11-19 10:26:23,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:23,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:26:23,006 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:26:23,009 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:26:23,010 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 10:26:23,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:26:23,062 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-19 10:26:23,066 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:26:23,123 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:23,123 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:26:23,190 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:23,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [8661173] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:26:23,190 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:26:23,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2024-11-19 10:26:23,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869189298] [2024-11-19 10:26:23,193 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:26:23,193 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 10:26:23,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:26:23,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 10:26:23,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-19 10:26:23,196 INFO L87 Difference]: Start difference. First operand 30 states and 30 transitions. Second operand has 10 states, 9 states have (on average 3.111111111111111) internal successors, (28), 10 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:23,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:26:23,270 INFO L93 Difference]: Finished difference Result 74 states and 85 transitions. [2024-11-19 10:26:23,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-19 10:26:23,271 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.111111111111111) internal successors, (28), 10 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2024-11-19 10:26:23,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:26:23,273 INFO L225 Difference]: With dead ends: 74 [2024-11-19 10:26:23,274 INFO L226 Difference]: Without dead ends: 73 [2024-11-19 10:26:23,274 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-19 10:26:23,275 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 32 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:26:23,275 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 73 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:26:23,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-11-19 10:26:23,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 51. [2024-11-19 10:26:23,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 45 states have (on average 1.288888888888889) internal successors, (58), 50 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:23,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 58 transitions. [2024-11-19 10:26:23,286 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 58 transitions. Word has length 15 [2024-11-19 10:26:23,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:26:23,286 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 58 transitions. [2024-11-19 10:26:23,286 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.111111111111111) internal successors, (28), 10 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:23,286 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 58 transitions. [2024-11-19 10:26:23,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-19 10:26:23,287 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:26:23,287 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:26:23,307 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-19 10:26:23,487 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,SelfDestructingSolverStorable10 [2024-11-19 10:26:23,488 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:26:23,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:26:23,489 INFO L85 PathProgramCache]: Analyzing trace with hash -1471187433, now seen corresponding path program 1 times [2024-11-19 10:26:23,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:26:23,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641935935] [2024-11-19 10:26:23,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:23,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:26:23,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:26:23,560 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:23,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:26:23,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641935935] [2024-11-19 10:26:23,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641935935] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:26:23,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [154324491] [2024-11-19 10:26:23,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:23,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:26:23,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:26:23,564 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:26:23,566 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-19 10:26:23,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:26:23,604 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 10:26:23,605 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:26:23,636 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:23,636 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:26:23,700 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:23,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [154324491] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:26:23,701 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:26:23,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2024-11-19 10:26:23,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044076673] [2024-11-19 10:26:23,702 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:26:23,702 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 10:26:23,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:26:23,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 10:26:23,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-19 10:26:23,704 INFO L87 Difference]: Start difference. First operand 51 states and 58 transitions. Second operand has 10 states, 9 states have (on average 3.5555555555555554) internal successors, (32), 10 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:23,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:26:23,773 INFO L93 Difference]: Finished difference Result 74 states and 85 transitions. [2024-11-19 10:26:23,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-19 10:26:23,773 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.5555555555555554) internal successors, (32), 10 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2024-11-19 10:26:23,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:26:23,774 INFO L225 Difference]: With dead ends: 74 [2024-11-19 10:26:23,774 INFO L226 Difference]: Without dead ends: 73 [2024-11-19 10:26:23,774 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-19 10:26:23,775 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 28 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:26:23,775 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 84 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:26:23,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-11-19 10:26:23,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 53. [2024-11-19 10:26:23,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 47 states have (on average 1.2340425531914894) internal successors, (58), 52 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:23,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 58 transitions. [2024-11-19 10:26:23,780 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 58 transitions. Word has length 17 [2024-11-19 10:26:23,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:26:23,780 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 58 transitions. [2024-11-19 10:26:23,780 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.5555555555555554) internal successors, (32), 10 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:23,780 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 58 transitions. [2024-11-19 10:26:23,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-19 10:26:23,781 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:26:23,781 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:26:23,800 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-19 10:26:23,981 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,SelfDestructingSolverStorable11 [2024-11-19 10:26:23,982 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:26:23,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:26:23,982 INFO L85 PathProgramCache]: Analyzing trace with hash -1472602506, now seen corresponding path program 1 times [2024-11-19 10:26:23,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:26:23,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671267328] [2024-11-19 10:26:23,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:23,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:26:23,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:26:24,049 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:24,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:26:24,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671267328] [2024-11-19 10:26:24,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1671267328] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:26:24,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1705909663] [2024-11-19 10:26:24,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:24,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:26:24,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:26:24,052 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:26:24,054 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-19 10:26:24,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:26:24,093 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-19 10:26:24,094 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:26:24,189 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:24,189 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:26:24,254 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:24,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1705909663] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:26:24,255 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:26:24,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 13 [2024-11-19 10:26:24,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232209394] [2024-11-19 10:26:24,255 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:26:24,256 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-19 10:26:24,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:26:24,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-19 10:26:24,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2024-11-19 10:26:24,257 INFO L87 Difference]: Start difference. First operand 53 states and 58 transitions. Second operand has 14 states, 13 states have (on average 3.6153846153846154) internal successors, (47), 14 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:24,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:26:24,346 INFO L93 Difference]: Finished difference Result 65 states and 71 transitions. [2024-11-19 10:26:24,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 10:26:24,346 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 3.6153846153846154) internal successors, (47), 14 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2024-11-19 10:26:24,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:26:24,347 INFO L225 Difference]: With dead ends: 65 [2024-11-19 10:26:24,347 INFO L226 Difference]: Without dead ends: 64 [2024-11-19 10:26:24,347 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2024-11-19 10:26:24,348 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 7 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:26:24,348 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 80 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:26:24,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2024-11-19 10:26:24,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 57. [2024-11-19 10:26:24,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 51 states have (on average 1.2156862745098038) internal successors, (62), 56 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:24,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 62 transitions. [2024-11-19 10:26:24,357 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 62 transitions. Word has length 17 [2024-11-19 10:26:24,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:26:24,357 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 62 transitions. [2024-11-19 10:26:24,357 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 3.6153846153846154) internal successors, (47), 14 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:24,357 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 62 transitions. [2024-11-19 10:26:24,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-19 10:26:24,357 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:26:24,358 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-19 10:26:24,371 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-19 10:26:24,558 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:26:24,558 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:26:24,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:26:24,559 INFO L85 PathProgramCache]: Analyzing trace with hash 1637829890, now seen corresponding path program 1 times [2024-11-19 10:26:24,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:26:24,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964252387] [2024-11-19 10:26:24,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:24,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:26:24,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:26:24,601 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:24,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:26:24,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964252387] [2024-11-19 10:26:24,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964252387] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:26:24,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1673397529] [2024-11-19 10:26:24,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:24,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:26:24,602 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:26:24,604 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:26:24,605 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-19 10:26:24,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:26:24,640 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 10:26:24,641 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:26:24,662 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:24,662 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:26:24,692 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:24,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1673397529] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:26:24,692 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:26:24,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-19 10:26:24,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105381982] [2024-11-19 10:26:24,692 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:26:24,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 10:26:24,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:26:24,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 10:26:24,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 10:26:24,693 INFO L87 Difference]: Start difference. First operand 57 states and 62 transitions. Second operand has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:24,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:26:24,719 INFO L93 Difference]: Finished difference Result 74 states and 82 transitions. [2024-11-19 10:26:24,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 10:26:24,719 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2024-11-19 10:26:24,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:26:24,720 INFO L225 Difference]: With dead ends: 74 [2024-11-19 10:26:24,720 INFO L226 Difference]: Without dead ends: 73 [2024-11-19 10:26:24,720 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 10:26:24,720 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 27 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:26:24,721 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 70 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:26:24,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-11-19 10:26:24,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 58. [2024-11-19 10:26:24,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 52 states have (on average 1.1730769230769231) internal successors, (61), 57 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:24,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 61 transitions. [2024-11-19 10:26:24,725 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 61 transitions. Word has length 18 [2024-11-19 10:26:24,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:26:24,725 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 61 transitions. [2024-11-19 10:26:24,725 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:24,725 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 61 transitions. [2024-11-19 10:26:24,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-19 10:26:24,726 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:26:24,726 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:26:24,743 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-19 10:26:24,926 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:26:24,927 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:26:24,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:26:24,928 INFO L85 PathProgramCache]: Analyzing trace with hash 1593962642, now seen corresponding path program 1 times [2024-11-19 10:26:24,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:26:24,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071504697] [2024-11-19 10:26:24,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:24,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:26:24,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:26:25,019 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:25,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:26:25,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071504697] [2024-11-19 10:26:25,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2071504697] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:26:25,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [392407647] [2024-11-19 10:26:25,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:25,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:26:25,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:26:25,023 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:26:25,025 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-19 10:26:25,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:26:25,057 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-19 10:26:25,058 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:26:25,221 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:25,222 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:26:25,311 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-19 10:26:25,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [392407647] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-19 10:26:25,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-19 10:26:25,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7, 6] total 16 [2024-11-19 10:26:25,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021833820] [2024-11-19 10:26:25,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:26:25,312 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 10:26:25,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:26:25,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 10:26:25,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2024-11-19 10:26:25,313 INFO L87 Difference]: Start difference. First operand 58 states and 61 transitions. Second operand has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:25,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:26:25,357 INFO L93 Difference]: Finished difference Result 58 states and 61 transitions. [2024-11-19 10:26:25,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 10:26:25,357 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2024-11-19 10:26:25,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:26:25,358 INFO L225 Difference]: With dead ends: 58 [2024-11-19 10:26:25,358 INFO L226 Difference]: Without dead ends: 57 [2024-11-19 10:26:25,360 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 25 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2024-11-19 10:26:25,360 INFO L432 NwaCegarLoop]: 6 mSDtfsCounter, 2 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:26:25,360 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 18 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:26:25,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2024-11-19 10:26:25,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2024-11-19 10:26:25,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 52 states have (on average 1.1538461538461537) internal successors, (60), 56 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:25,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 60 transitions. [2024-11-19 10:26:25,364 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 60 transitions. Word has length 18 [2024-11-19 10:26:25,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:26:25,365 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 60 transitions. [2024-11-19 10:26:25,365 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:25,365 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 60 transitions. [2024-11-19 10:26:25,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-19 10:26:25,368 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:26:25,368 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:26:25,385 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-19 10:26:25,569 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,SelfDestructingSolverStorable14 [2024-11-19 10:26:25,569 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:26:25,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:26:25,571 INFO L85 PathProgramCache]: Analyzing trace with hash -2126765576, now seen corresponding path program 1 times [2024-11-19 10:26:25,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:26:25,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140693960] [2024-11-19 10:26:25,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:25,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:26:25,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:26:25,676 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-19 10:26:25,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:26:25,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140693960] [2024-11-19 10:26:25,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1140693960] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:26:25,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:26:25,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 10:26:25,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248033042] [2024-11-19 10:26:25,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:26:25,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 10:26:25,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:26:25,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 10:26:25,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-19 10:26:25,678 INFO L87 Difference]: Start difference. First operand 57 states and 60 transitions. Second operand has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:25,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:26:25,744 INFO L93 Difference]: Finished difference Result 57 states and 60 transitions. [2024-11-19 10:26:25,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 10:26:25,745 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2024-11-19 10:26:25,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:26:25,745 INFO L225 Difference]: With dead ends: 57 [2024-11-19 10:26:25,745 INFO L226 Difference]: Without dead ends: 50 [2024-11-19 10:26:25,746 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-19 10:26:25,746 INFO L432 NwaCegarLoop]: 6 mSDtfsCounter, 0 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:26:25,746 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 16 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:26:25,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-11-19 10:26:25,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2024-11-19 10:26:25,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 46 states have (on average 1.108695652173913) internal successors, (51), 49 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:25,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 51 transitions. [2024-11-19 10:26:25,757 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 51 transitions. Word has length 19 [2024-11-19 10:26:25,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:26:25,757 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 51 transitions. [2024-11-19 10:26:25,757 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:25,757 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 51 transitions. [2024-11-19 10:26:25,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-19 10:26:25,758 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:26:25,758 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:26:25,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-19 10:26:25,761 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:26:25,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:26:25,765 INFO L85 PathProgramCache]: Analyzing trace with hash -1437462836, now seen corresponding path program 2 times [2024-11-19 10:26:25,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:26:25,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271379091] [2024-11-19 10:26:25,765 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:26:25,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:26:25,788 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:26:25,792 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:26:26,037 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:26,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:26:26,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271379091] [2024-11-19 10:26:26,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271379091] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:26:26,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1989231902] [2024-11-19 10:26:26,038 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:26:26,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:26:26,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:26:26,040 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:26:26,041 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-19 10:26:26,082 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:26:26,083 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:26:26,084 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-19 10:26:26,085 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:26:26,209 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:26,209 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:26:26,371 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:26,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1989231902] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:26:26,371 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:26:26,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 21 [2024-11-19 10:26:26,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931492819] [2024-11-19 10:26:26,372 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:26:26,372 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-19 10:26:26,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:26:26,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-19 10:26:26,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=357, Unknown=0, NotChecked=0, Total=462 [2024-11-19 10:26:26,373 INFO L87 Difference]: Start difference. First operand 50 states and 51 transitions. Second operand has 22 states, 21 states have (on average 3.238095238095238) internal successors, (68), 22 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:26,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:26:26,557 INFO L93 Difference]: Finished difference Result 91 states and 95 transitions. [2024-11-19 10:26:26,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-19 10:26:26,557 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 3.238095238095238) internal successors, (68), 22 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2024-11-19 10:26:26,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:26:26,558 INFO L225 Difference]: With dead ends: 91 [2024-11-19 10:26:26,560 INFO L226 Difference]: Without dead ends: 73 [2024-11-19 10:26:26,560 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=180, Invalid=632, Unknown=0, NotChecked=0, Total=812 [2024-11-19 10:26:26,561 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 21 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:26:26,561 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 109 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:26:26,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-11-19 10:26:26,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 69. [2024-11-19 10:26:26,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 65 states have (on average 1.123076923076923) internal successors, (73), 68 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:26,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 73 transitions. [2024-11-19 10:26:26,567 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 73 transitions. Word has length 33 [2024-11-19 10:26:26,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:26:26,567 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 73 transitions. [2024-11-19 10:26:26,567 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 3.238095238095238) internal successors, (68), 22 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:26,568 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 73 transitions. [2024-11-19 10:26:26,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-19 10:26:26,568 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:26:26,568 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 1, 1, 1, 1] [2024-11-19 10:26:26,586 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-19 10:26:26,772 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-19 10:26:26,773 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:26:26,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:26:26,773 INFO L85 PathProgramCache]: Analyzing trace with hash 1896904216, now seen corresponding path program 2 times [2024-11-19 10:26:26,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:26:26,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471286804] [2024-11-19 10:26:26,774 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:26:26,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:26:26,789 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:26:26,789 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:26:26,962 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:26,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:26:26,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471286804] [2024-11-19 10:26:26,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471286804] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:26:26,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1908869258] [2024-11-19 10:26:26,962 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:26:26,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:26:26,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:26:26,964 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:26:26,965 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-19 10:26:27,006 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:26:27,006 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:26:27,007 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-19 10:26:27,009 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:26:27,058 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:27,058 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:26:27,224 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:27,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1908869258] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:26:27,225 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:26:27,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 21 [2024-11-19 10:26:27,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041310613] [2024-11-19 10:26:27,225 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:26:27,226 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-19 10:26:27,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:26:27,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-19 10:26:27,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2024-11-19 10:26:27,227 INFO L87 Difference]: Start difference. First operand 69 states and 73 transitions. Second operand has 22 states, 21 states have (on average 3.8095238095238093) internal successors, (80), 22 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:27,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:26:27,315 INFO L93 Difference]: Finished difference Result 119 states and 127 transitions. [2024-11-19 10:26:27,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-19 10:26:27,315 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 3.8095238095238093) internal successors, (80), 22 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41 [2024-11-19 10:26:27,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:26:27,316 INFO L225 Difference]: With dead ends: 119 [2024-11-19 10:26:27,316 INFO L226 Difference]: Without dead ends: 118 [2024-11-19 10:26:27,316 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2024-11-19 10:26:27,317 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 41 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:26:27,317 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 112 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:26:27,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-11-19 10:26:27,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 97. [2024-11-19 10:26:27,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 93 states have (on average 1.1720430107526882) internal successors, (109), 96 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:27,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 109 transitions. [2024-11-19 10:26:27,323 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 109 transitions. Word has length 41 [2024-11-19 10:26:27,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:26:27,323 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 109 transitions. [2024-11-19 10:26:27,324 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 3.8095238095238093) internal successors, (80), 22 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:27,324 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 109 transitions. [2024-11-19 10:26:27,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-19 10:26:27,325 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:26:27,325 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1] [2024-11-19 10:26:27,342 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-19 10:26:27,528 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:26:27,529 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:26:27,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:26:27,529 INFO L85 PathProgramCache]: Analyzing trace with hash -1325511391, now seen corresponding path program 2 times [2024-11-19 10:26:27,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:26:27,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30855760] [2024-11-19 10:26:27,530 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:26:27,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:26:27,541 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:26:27,541 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:26:27,627 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:27,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:26:27,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30855760] [2024-11-19 10:26:27,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30855760] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:26:27,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1360594515] [2024-11-19 10:26:27,628 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:26:27,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:26:27,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:26:27,629 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:26:27,630 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-19 10:26:27,672 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:26:27,672 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:26:27,673 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-19 10:26:27,674 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:26:27,724 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:27,724 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:26:27,819 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:27,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1360594515] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:26:27,819 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:26:27,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-11-19 10:26:27,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635427406] [2024-11-19 10:26:27,819 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:26:27,820 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-19 10:26:27,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:26:27,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-19 10:26:27,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2024-11-19 10:26:27,821 INFO L87 Difference]: Start difference. First operand 97 states and 109 transitions. Second operand has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 12 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:27,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:26:27,854 INFO L93 Difference]: Finished difference Result 118 states and 123 transitions. [2024-11-19 10:26:27,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 10:26:27,854 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 12 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 42 [2024-11-19 10:26:27,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:26:27,855 INFO L225 Difference]: With dead ends: 118 [2024-11-19 10:26:27,855 INFO L226 Difference]: Without dead ends: 117 [2024-11-19 10:26:27,855 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2024-11-19 10:26:27,855 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 21 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:26:27,856 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 112 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:26:27,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2024-11-19 10:26:27,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 98. [2024-11-19 10:26:27,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 94 states have (on average 1.1170212765957446) internal successors, (105), 97 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:27,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 105 transitions. [2024-11-19 10:26:27,861 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 105 transitions. Word has length 42 [2024-11-19 10:26:27,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:26:27,861 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 105 transitions. [2024-11-19 10:26:27,861 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 12 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:27,861 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 105 transitions. [2024-11-19 10:26:27,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-19 10:26:27,862 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:26:27,862 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 6, 1, 1, 1, 1] [2024-11-19 10:26:27,880 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-19 10:26:28,062 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:26:28,063 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:26:28,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:26:28,064 INFO L85 PathProgramCache]: Analyzing trace with hash 1336901836, now seen corresponding path program 2 times [2024-11-19 10:26:28,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:26:28,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435131547] [2024-11-19 10:26:28,064 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:26:28,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:26:28,084 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:26:28,084 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:26:28,290 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:28,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:26:28,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435131547] [2024-11-19 10:26:28,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435131547] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:26:28,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1437362059] [2024-11-19 10:26:28,291 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:26:28,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:26:28,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:26:28,293 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:26:28,295 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-19 10:26:28,344 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:26:28,344 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:26:28,345 INFO L255 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-19 10:26:28,347 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:26:28,421 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:28,421 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:26:28,717 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:28,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1437362059] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:26:28,717 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:26:28,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 29 [2024-11-19 10:26:28,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007344485] [2024-11-19 10:26:28,718 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:26:28,718 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-11-19 10:26:28,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:26:28,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-11-19 10:26:28,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=239, Invalid=631, Unknown=0, NotChecked=0, Total=870 [2024-11-19 10:26:28,720 INFO L87 Difference]: Start difference. First operand 98 states and 105 transitions. Second operand has 30 states, 29 states have (on average 3.7241379310344827) internal successors, (108), 30 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:28,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:26:28,830 INFO L93 Difference]: Finished difference Result 162 states and 176 transitions. [2024-11-19 10:26:28,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-19 10:26:28,837 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 3.7241379310344827) internal successors, (108), 30 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-19 10:26:28,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:26:28,838 INFO L225 Difference]: With dead ends: 162 [2024-11-19 10:26:28,838 INFO L226 Difference]: Without dead ends: 161 [2024-11-19 10:26:28,839 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 205 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=239, Invalid=631, Unknown=0, NotChecked=0, Total=870 [2024-11-19 10:26:28,840 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 70 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:26:28,840 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 165 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:26:28,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2024-11-19 10:26:28,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 127. [2024-11-19 10:26:28,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 123 states have (on average 1.1382113821138211) internal successors, (140), 126 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:28,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 140 transitions. [2024-11-19 10:26:28,850 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 140 transitions. Word has length 55 [2024-11-19 10:26:28,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:26:28,850 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 140 transitions. [2024-11-19 10:26:28,851 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 3.7241379310344827) internal successors, (108), 30 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:28,851 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 140 transitions. [2024-11-19 10:26:28,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-19 10:26:28,854 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:26:28,855 INFO L215 NwaCegarLoop]: trace histogram [8, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:26:28,872 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-19 10:26:29,055 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:26:29,056 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:26:29,056 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:26:29,057 INFO L85 PathProgramCache]: Analyzing trace with hash -890492040, now seen corresponding path program 3 times [2024-11-19 10:26:29,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:26:29,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467665415] [2024-11-19 10:26:29,057 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 10:26:29,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:26:29,086 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-11-19 10:26:29,086 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:26:29,378 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:29,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:26:29,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467665415] [2024-11-19 10:26:29,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1467665415] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:26:29,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1955857956] [2024-11-19 10:26:29,379 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 10:26:29,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:26:29,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:26:29,381 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:26:29,383 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-19 10:26:29,437 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-11-19 10:26:29,437 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:26:29,438 INFO L255 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-19 10:26:29,441 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:26:29,831 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:29,831 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:26:30,359 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:30,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1955857956] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:26:30,360 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:26:30,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 52 [2024-11-19 10:26:30,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539618794] [2024-11-19 10:26:30,360 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:26:30,361 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2024-11-19 10:26:30,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:26:30,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2024-11-19 10:26:30,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=393, Invalid=2363, Unknown=0, NotChecked=0, Total=2756 [2024-11-19 10:26:30,363 INFO L87 Difference]: Start difference. First operand 127 states and 140 transitions. Second operand has 53 states, 52 states have (on average 3.673076923076923) internal successors, (191), 53 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:31,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:26:31,349 INFO L93 Difference]: Finished difference Result 174 states and 184 transitions. [2024-11-19 10:26:31,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-11-19 10:26:31,350 INFO L78 Accepts]: Start accepts. Automaton has has 53 states, 52 states have (on average 3.673076923076923) internal successors, (191), 53 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2024-11-19 10:26:31,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:26:31,351 INFO L225 Difference]: With dead ends: 174 [2024-11-19 10:26:31,351 INFO L226 Difference]: Without dead ends: 140 [2024-11-19 10:26:31,354 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1978 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=1241, Invalid=6769, Unknown=0, NotChecked=0, Total=8010 [2024-11-19 10:26:31,355 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 104 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:26:31,355 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 209 Invalid, 249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 236 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:26:31,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2024-11-19 10:26:31,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 133. [2024-11-19 10:26:31,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 129 states have (on average 1.062015503875969) internal successors, (137), 132 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:31,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 137 transitions. [2024-11-19 10:26:31,362 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 137 transitions. Word has length 65 [2024-11-19 10:26:31,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:26:31,362 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 137 transitions. [2024-11-19 10:26:31,362 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 52 states have (on average 3.673076923076923) internal successors, (191), 53 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:31,362 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 137 transitions. [2024-11-19 10:26:31,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-19 10:26:31,363 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:26:31,363 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 10, 10, 1, 1, 1, 1] [2024-11-19 10:26:31,380 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-19 10:26:31,563 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,SelfDestructingSolverStorable20 [2024-11-19 10:26:31,564 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:26:31,564 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:26:31,565 INFO L85 PathProgramCache]: Analyzing trace with hash -62962081, now seen corresponding path program 3 times [2024-11-19 10:26:31,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:26:31,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241960725] [2024-11-19 10:26:31,565 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 10:26:31,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:26:31,591 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-19 10:26:31,591 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:26:31,795 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 0 proven. 430 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:31,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:26:31,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241960725] [2024-11-19 10:26:31,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241960725] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:26:31,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1296090771] [2024-11-19 10:26:31,796 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 10:26:31,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:26:31,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:26:31,798 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:26:31,800 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-19 10:26:31,875 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-19 10:26:31,875 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:26:31,878 INFO L255 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-19 10:26:31,883 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:26:31,995 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 0 proven. 430 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:31,996 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:26:32,277 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 0 proven. 430 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:32,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1296090771] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:26:32,278 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:26:32,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 23 [2024-11-19 10:26:32,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287689725] [2024-11-19 10:26:32,278 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:26:32,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-19 10:26:32,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:26:32,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-19 10:26:32,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2024-11-19 10:26:32,280 INFO L87 Difference]: Start difference. First operand 133 states and 137 transitions. Second operand has 24 states, 23 states have (on average 7.739130434782608) internal successors, (178), 24 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:32,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:26:32,352 INFO L93 Difference]: Finished difference Result 246 states and 257 transitions. [2024-11-19 10:26:32,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-19 10:26:32,352 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 7.739130434782608) internal successors, (178), 24 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2024-11-19 10:26:32,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:26:32,354 INFO L225 Difference]: With dead ends: 246 [2024-11-19 10:26:32,354 INFO L226 Difference]: Without dead ends: 245 [2024-11-19 10:26:32,355 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2024-11-19 10:26:32,356 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 83 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:26:32,357 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 217 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:26:32,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2024-11-19 10:26:32,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 194. [2024-11-19 10:26:32,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 190 states have (on average 1.1421052631578947) internal successors, (217), 193 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:32,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 217 transitions. [2024-11-19 10:26:32,366 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 217 transitions. Word has length 90 [2024-11-19 10:26:32,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:26:32,367 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 217 transitions. [2024-11-19 10:26:32,367 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 7.739130434782608) internal successors, (178), 24 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:32,367 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 217 transitions. [2024-11-19 10:26:32,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-19 10:26:32,370 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:26:32,370 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 14, 14, 14, 14, 14, 1, 1, 1, 1] [2024-11-19 10:26:32,388 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-19 10:26:32,571 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,SelfDestructingSolverStorable21 [2024-11-19 10:26:32,571 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:26:32,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:26:32,572 INFO L85 PathProgramCache]: Analyzing trace with hash 1307965476, now seen corresponding path program 3 times [2024-11-19 10:26:32,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:26:32,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246891801] [2024-11-19 10:26:32,572 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 10:26:32,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:26:32,618 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2024-11-19 10:26:32,619 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:26:33,381 INFO L134 CoverageAnalysis]: Checked inductivity of 784 backedges. 0 proven. 784 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:33,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:26:33,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246891801] [2024-11-19 10:26:33,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [246891801] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:26:33,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [965591213] [2024-11-19 10:26:33,382 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 10:26:33,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:26:33,385 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:26:33,388 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) [2024-11-19 10:26:33,390 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-19 10:26:33,496 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2024-11-19 10:26:33,497 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:26:33,498 INFO L255 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-19 10:26:33,500 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:26:33,649 INFO L134 CoverageAnalysis]: Checked inductivity of 784 backedges. 0 proven. 784 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:33,649 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:26:34,576 INFO L134 CoverageAnalysis]: Checked inductivity of 784 backedges. 0 proven. 784 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:34,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [965591213] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:26:34,576 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:26:34,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31, 31] total 61 [2024-11-19 10:26:34,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660901120] [2024-11-19 10:26:34,576 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:26:34,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2024-11-19 10:26:34,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:26:34,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2024-11-19 10:26:34,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=991, Invalid=2791, Unknown=0, NotChecked=0, Total=3782 [2024-11-19 10:26:34,582 INFO L87 Difference]: Start difference. First operand 194 states and 217 transitions. Second operand has 62 states, 61 states have (on average 3.8688524590163933) internal successors, (236), 62 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:34,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:26:34,775 INFO L93 Difference]: Finished difference Result 338 states and 368 transitions. [2024-11-19 10:26:34,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-11-19 10:26:34,776 INFO L78 Accepts]: Start accepts. Automaton has has 62 states, 61 states have (on average 3.8688524590163933) internal successors, (236), 62 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2024-11-19 10:26:34,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:26:34,777 INFO L225 Difference]: With dead ends: 338 [2024-11-19 10:26:34,777 INFO L226 Difference]: Without dead ends: 337 [2024-11-19 10:26:34,779 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 267 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1037 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=991, Invalid=2791, Unknown=0, NotChecked=0, Total=3782 [2024-11-19 10:26:34,779 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 177 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:26:34,779 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 270 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:26:34,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2024-11-19 10:26:34,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 255. [2024-11-19 10:26:34,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 251 states have (on average 1.1633466135458168) internal successors, (292), 254 states have internal predecessors, (292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:34,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 292 transitions. [2024-11-19 10:26:34,790 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 292 transitions. Word has length 119 [2024-11-19 10:26:34,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:26:34,790 INFO L471 AbstractCegarLoop]: Abstraction has 255 states and 292 transitions. [2024-11-19 10:26:34,790 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 62 states, 61 states have (on average 3.8688524590163933) internal successors, (236), 62 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:34,791 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 292 transitions. [2024-11-19 10:26:34,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-19 10:26:34,791 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:26:34,791 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 15, 14, 14, 14, 1, 1, 1, 1] [2024-11-19 10:26:34,809 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-19 10:26:34,992 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-11-19 10:26:34,992 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:26:34,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:26:34,993 INFO L85 PathProgramCache]: Analyzing trace with hash -1470593594, now seen corresponding path program 3 times [2024-11-19 10:26:34,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:26:34,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236529965] [2024-11-19 10:26:34,993 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 10:26:34,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:26:35,027 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2024-11-19 10:26:35,028 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:26:35,749 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 0 proven. 812 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:35,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:26:35,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236529965] [2024-11-19 10:26:35,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236529965] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:26:35,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1852652104] [2024-11-19 10:26:35,751 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 10:26:35,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:26:35,751 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:26:35,753 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:26:35,754 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-19 10:26:35,854 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2024-11-19 10:26:35,855 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:26:35,858 INFO L255 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-19 10:26:35,860 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:26:36,018 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 0 proven. 812 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:36,018 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:26:36,918 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 0 proven. 812 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:36,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1852652104] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:26:36,918 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:26:36,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31, 31] total 61 [2024-11-19 10:26:36,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110844931] [2024-11-19 10:26:36,918 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:26:36,919 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2024-11-19 10:26:36,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:26:36,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2024-11-19 10:26:36,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=991, Invalid=2791, Unknown=0, NotChecked=0, Total=3782 [2024-11-19 10:26:36,921 INFO L87 Difference]: Start difference. First operand 255 states and 292 transitions. Second operand has 62 states, 61 states have (on average 3.9344262295081966) internal successors, (240), 62 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:37,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:26:37,101 INFO L93 Difference]: Finished difference Result 325 states and 355 transitions. [2024-11-19 10:26:37,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-11-19 10:26:37,102 INFO L78 Accepts]: Start accepts. Automaton has has 62 states, 61 states have (on average 3.9344262295081966) internal successors, (240), 62 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 121 [2024-11-19 10:26:37,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:26:37,103 INFO L225 Difference]: With dead ends: 325 [2024-11-19 10:26:37,103 INFO L226 Difference]: Without dead ends: 324 [2024-11-19 10:26:37,104 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 271 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1037 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=991, Invalid=2791, Unknown=0, NotChecked=0, Total=3782 [2024-11-19 10:26:37,105 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 185 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:26:37,105 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 255 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:26:37,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2024-11-19 10:26:37,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 257. [2024-11-19 10:26:37,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 253 states have (on average 1.1027667984189724) internal successors, (279), 256 states have internal predecessors, (279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:37,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 279 transitions. [2024-11-19 10:26:37,123 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 279 transitions. Word has length 121 [2024-11-19 10:26:37,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:26:37,123 INFO L471 AbstractCegarLoop]: Abstraction has 257 states and 279 transitions. [2024-11-19 10:26:37,124 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 62 states, 61 states have (on average 3.9344262295081966) internal successors, (240), 62 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:37,124 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 279 transitions. [2024-11-19 10:26:37,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-19 10:26:37,124 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:26:37,124 INFO L215 NwaCegarLoop]: trace histogram [16, 15, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:26:37,137 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-11-19 10:26:37,325 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-11-19 10:26:37,325 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:26:37,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:26:37,326 INFO L85 PathProgramCache]: Analyzing trace with hash -1486400304, now seen corresponding path program 4 times [2024-11-19 10:26:37,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:26:37,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348821030] [2024-11-19 10:26:37,326 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 10:26:37,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:26:37,354 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 10:26:37,354 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:26:38,191 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:38,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:26:38,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348821030] [2024-11-19 10:26:38,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348821030] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:26:38,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1337440973] [2024-11-19 10:26:38,192 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 10:26:38,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:26:38,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:26:38,195 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:26:38,197 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-19 10:26:38,261 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 10:26:38,261 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:26:38,263 INFO L255 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 63 conjuncts are in the unsatisfiable core [2024-11-19 10:26:38,264 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:26:39,407 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:39,407 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:26:40,759 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:40,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1337440973] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:26:40,760 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:26:40,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 47, 47] total 127 [2024-11-19 10:26:40,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923722205] [2024-11-19 10:26:40,760 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:26:40,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 128 states [2024-11-19 10:26:40,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:26:40,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 128 interpolants. [2024-11-19 10:26:40,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2366, Invalid=13890, Unknown=0, NotChecked=0, Total=16256 [2024-11-19 10:26:40,765 INFO L87 Difference]: Start difference. First operand 257 states and 279 transitions. Second operand has 128 states, 127 states have (on average 3.015748031496063) internal successors, (383), 128 states have internal predecessors, (383), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:41,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:26:41,104 INFO L93 Difference]: Finished difference Result 334 states and 349 transitions. [2024-11-19 10:26:41,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2024-11-19 10:26:41,105 INFO L78 Accepts]: Start accepts. Automaton has has 128 states, 127 states have (on average 3.015748031496063) internal successors, (383), 128 states have internal predecessors, (383), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 129 [2024-11-19 10:26:41,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:26:41,106 INFO L225 Difference]: With dead ends: 334 [2024-11-19 10:26:41,106 INFO L226 Difference]: Without dead ends: 269 [2024-11-19 10:26:41,110 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 128 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10255 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=2424, Invalid=14346, Unknown=0, NotChecked=0, Total=16770 [2024-11-19 10:26:41,111 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 132 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 397 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:26:41,111 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 299 Invalid, 398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 397 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:26:41,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2024-11-19 10:26:41,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 261. [2024-11-19 10:26:41,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 257 states have (on average 1.046692607003891) internal successors, (269), 260 states have internal predecessors, (269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:41,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 269 transitions. [2024-11-19 10:26:41,122 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 269 transitions. Word has length 129 [2024-11-19 10:26:41,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:26:41,122 INFO L471 AbstractCegarLoop]: Abstraction has 261 states and 269 transitions. [2024-11-19 10:26:41,123 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 128 states, 127 states have (on average 3.015748031496063) internal successors, (383), 128 states have internal predecessors, (383), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:41,123 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 269 transitions. [2024-11-19 10:26:41,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-11-19 10:26:41,124 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:26:41,125 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 23, 23, 23, 22, 22, 1, 1, 1, 1] [2024-11-19 10:26:41,140 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-19 10:26:41,325 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:26:41,325 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:26:41,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:26:41,326 INFO L85 PathProgramCache]: Analyzing trace with hash -1932452645, now seen corresponding path program 4 times [2024-11-19 10:26:41,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:26:41,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836419677] [2024-11-19 10:26:41,326 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 10:26:41,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:26:41,378 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 10:26:41,378 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:26:42,096 INFO L134 CoverageAnalysis]: Checked inductivity of 2002 backedges. 0 proven. 2002 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:42,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:26:42,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836419677] [2024-11-19 10:26:42,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1836419677] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:26:42,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [992963516] [2024-11-19 10:26:42,097 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 10:26:42,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:26:42,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:26:42,099 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:26:42,100 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-19 10:26:42,193 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 10:26:42,193 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:26:42,195 INFO L255 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-19 10:26:42,198 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:26:42,395 INFO L134 CoverageAnalysis]: Checked inductivity of 2002 backedges. 0 proven. 2002 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:42,395 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:26:43,177 INFO L134 CoverageAnalysis]: Checked inductivity of 2002 backedges. 0 proven. 2002 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:43,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [992963516] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:26:43,178 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:26:43,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 24, 24] total 49 [2024-11-19 10:26:43,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917102705] [2024-11-19 10:26:43,178 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:26:43,179 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2024-11-19 10:26:43,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:26:43,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2024-11-19 10:26:43,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1225, Invalid=1225, Unknown=0, NotChecked=0, Total=2450 [2024-11-19 10:26:43,181 INFO L87 Difference]: Start difference. First operand 261 states and 269 transitions. Second operand has 50 states, 49 states have (on average 7.653061224489796) internal successors, (375), 50 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:43,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:26:43,338 INFO L93 Difference]: Finished difference Result 494 states and 517 transitions. [2024-11-19 10:26:43,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-11-19 10:26:43,339 INFO L78 Accepts]: Start accepts. Automaton has has 50 states, 49 states have (on average 7.653061224489796) internal successors, (375), 50 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 186 [2024-11-19 10:26:43,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:26:43,341 INFO L225 Difference]: With dead ends: 494 [2024-11-19 10:26:43,341 INFO L226 Difference]: Without dead ends: 493 [2024-11-19 10:26:43,342 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 397 GetRequests, 349 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=1225, Invalid=1225, Unknown=0, NotChecked=0, Total=2450 [2024-11-19 10:26:43,343 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 264 mSDsluCounter, 436 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 264 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:26:43,343 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [264 Valid, 451 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:26:43,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states. [2024-11-19 10:26:43,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 386. [2024-11-19 10:26:43,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 386 states, 382 states have (on average 1.1335078534031413) internal successors, (433), 385 states have internal predecessors, (433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:43,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 433 transitions. [2024-11-19 10:26:43,358 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 433 transitions. Word has length 186 [2024-11-19 10:26:43,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:26:43,359 INFO L471 AbstractCegarLoop]: Abstraction has 386 states and 433 transitions. [2024-11-19 10:26:43,359 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 49 states have (on average 7.653061224489796) internal successors, (375), 50 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:43,359 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 433 transitions. [2024-11-19 10:26:43,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2024-11-19 10:26:43,361 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:26:43,362 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 30, 30, 30, 30, 30, 1, 1, 1, 1] [2024-11-19 10:26:43,379 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-19 10:26:43,565 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-19 10:26:43,566 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:26:43,566 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:26:43,566 INFO L85 PathProgramCache]: Analyzing trace with hash -2142329132, now seen corresponding path program 4 times [2024-11-19 10:26:43,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:26:43,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560902464] [2024-11-19 10:26:43,567 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 10:26:43,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:26:43,653 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 10:26:43,653 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:26:45,803 INFO L134 CoverageAnalysis]: Checked inductivity of 3600 backedges. 0 proven. 3600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:45,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:26:45,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560902464] [2024-11-19 10:26:45,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1560902464] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:26:45,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1464695731] [2024-11-19 10:26:45,804 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 10:26:45,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:26:45,804 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:26:45,806 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:26:45,807 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-19 10:26:45,924 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 10:26:45,924 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:26:45,926 INFO L255 TraceCheckSpWp]: Trace formula consists of 575 conjuncts, 64 conjuncts are in the unsatisfiable core [2024-11-19 10:26:45,929 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:26:46,241 INFO L134 CoverageAnalysis]: Checked inductivity of 3600 backedges. 0 proven. 3600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:46,242 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:26:48,977 INFO L134 CoverageAnalysis]: Checked inductivity of 3600 backedges. 0 proven. 3600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:48,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1464695731] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:26:48,978 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:26:48,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [63, 63, 63] total 127 [2024-11-19 10:26:48,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899773700] [2024-11-19 10:26:48,978 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:26:48,978 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 128 states [2024-11-19 10:26:48,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:26:48,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 128 interpolants. [2024-11-19 10:26:48,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4159, Invalid=12097, Unknown=0, NotChecked=0, Total=16256 [2024-11-19 10:26:48,984 INFO L87 Difference]: Start difference. First operand 386 states and 433 transitions. Second operand has 128 states, 127 states have (on average 3.9133858267716537) internal successors, (497), 128 states have internal predecessors, (497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:49,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:26:49,411 INFO L93 Difference]: Finished difference Result 682 states and 744 transitions. [2024-11-19 10:26:49,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2024-11-19 10:26:49,412 INFO L78 Accepts]: Start accepts. Automaton has has 128 states, 127 states have (on average 3.9133858267716537) internal successors, (497), 128 states have internal predecessors, (497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 247 [2024-11-19 10:26:49,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:26:49,415 INFO L225 Difference]: With dead ends: 682 [2024-11-19 10:26:49,415 INFO L226 Difference]: Without dead ends: 681 [2024-11-19 10:26:49,416 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 555 GetRequests, 429 SyntacticMatches, 0 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5047 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=4159, Invalid=12097, Unknown=0, NotChecked=0, Total=16256 [2024-11-19 10:26:49,417 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 556 mSDsluCounter, 511 mSDsCounter, 0 mSdLazyCounter, 316 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 556 SdHoareTripleChecker+Valid, 524 SdHoareTripleChecker+Invalid, 317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:26:49,417 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [556 Valid, 524 Invalid, 317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 316 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:26:49,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 681 states. [2024-11-19 10:26:49,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 681 to 511. [2024-11-19 10:26:49,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 511 states, 507 states have (on average 1.1597633136094674) internal successors, (588), 510 states have internal predecessors, (588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:49,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 511 states and 588 transitions. [2024-11-19 10:26:49,443 INFO L78 Accepts]: Start accepts. Automaton has 511 states and 588 transitions. Word has length 247 [2024-11-19 10:26:49,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:26:49,444 INFO L471 AbstractCegarLoop]: Abstraction has 511 states and 588 transitions. [2024-11-19 10:26:49,444 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 128 states, 127 states have (on average 3.9133858267716537) internal successors, (497), 128 states have internal predecessors, (497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:49,444 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 588 transitions. [2024-11-19 10:26:49,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2024-11-19 10:26:49,447 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:26:49,447 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 31, 31, 30, 30, 30, 1, 1, 1, 1] [2024-11-19 10:26:49,464 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-11-19 10:26:49,648 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-19 10:26:49,648 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:26:49,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:26:49,649 INFO L85 PathProgramCache]: Analyzing trace with hash -1488959370, now seen corresponding path program 4 times [2024-11-19 10:26:49,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:26:49,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444662358] [2024-11-19 10:26:49,649 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 10:26:49,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:26:49,739 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 10:26:49,739 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:26:52,070 INFO L134 CoverageAnalysis]: Checked inductivity of 3660 backedges. 0 proven. 3660 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:52,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:26:52,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444662358] [2024-11-19 10:26:52,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444662358] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:26:52,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [989349265] [2024-11-19 10:26:52,070 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 10:26:52,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:26:52,070 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:26:52,071 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:26:52,072 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-19 10:26:52,178 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 10:26:52,178 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:26:52,180 INFO L255 TraceCheckSpWp]: Trace formula consists of 581 conjuncts, 63 conjuncts are in the unsatisfiable core [2024-11-19 10:26:52,183 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:26:52,414 INFO L134 CoverageAnalysis]: Checked inductivity of 3660 backedges. 0 proven. 3660 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:52,414 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:26:55,184 INFO L134 CoverageAnalysis]: Checked inductivity of 3660 backedges. 0 proven. 3660 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:55,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [989349265] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:26:55,184 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:26:55,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [64, 63, 63] total 127 [2024-11-19 10:26:55,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135541341] [2024-11-19 10:26:55,184 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:26:55,185 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 128 states [2024-11-19 10:26:55,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:26:55,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 128 interpolants. [2024-11-19 10:26:55,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4160, Invalid=12096, Unknown=0, NotChecked=0, Total=16256 [2024-11-19 10:26:55,187 INFO L87 Difference]: Start difference. First operand 511 states and 588 transitions. Second operand has 128 states, 127 states have (on average 3.9448818897637796) internal successors, (501), 128 states have internal predecessors, (501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:55,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:26:55,631 INFO L93 Difference]: Finished difference Result 653 states and 715 transitions. [2024-11-19 10:26:55,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2024-11-19 10:26:55,632 INFO L78 Accepts]: Start accepts. Automaton has has 128 states, 127 states have (on average 3.9448818897637796) internal successors, (501), 128 states have internal predecessors, (501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 249 [2024-11-19 10:26:55,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:26:55,634 INFO L225 Difference]: With dead ends: 653 [2024-11-19 10:26:55,635 INFO L226 Difference]: Without dead ends: 652 [2024-11-19 10:26:55,636 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 560 GetRequests, 434 SyntacticMatches, 0 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4895 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=4160, Invalid=12096, Unknown=0, NotChecked=0, Total=16256 [2024-11-19 10:26:55,637 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 469 mSDsluCounter, 457 mSDsCounter, 0 mSdLazyCounter, 307 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 469 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 10:26:55,637 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [469 Valid, 469 Invalid, 308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 307 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 10:26:55,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 652 states. [2024-11-19 10:26:55,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 652 to 513. [2024-11-19 10:26:55,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 513 states, 509 states have (on average 1.0982318271119842) internal successors, (559), 512 states have internal predecessors, (559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:55,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 513 states and 559 transitions. [2024-11-19 10:26:55,656 INFO L78 Accepts]: Start accepts. Automaton has 513 states and 559 transitions. Word has length 249 [2024-11-19 10:26:55,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:26:55,657 INFO L471 AbstractCegarLoop]: Abstraction has 513 states and 559 transitions. [2024-11-19 10:26:55,657 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 128 states, 127 states have (on average 3.9448818897637796) internal successors, (501), 128 states have internal predecessors, (501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:55,657 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 559 transitions. [2024-11-19 10:26:55,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2024-11-19 10:26:55,659 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:26:55,660 INFO L215 NwaCegarLoop]: trace histogram [32, 31, 31, 31, 31, 31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:26:55,677 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-11-19 10:26:55,860 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-11-19 10:26:55,860 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:26:55,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:26:55,861 INFO L85 PathProgramCache]: Analyzing trace with hash -1703319680, now seen corresponding path program 5 times [2024-11-19 10:26:55,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:26:55,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121877100] [2024-11-19 10:26:55,861 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-19 10:26:55,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:26:55,978 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 32 check-sat command(s) [2024-11-19 10:26:55,978 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:26:58,436 INFO L134 CoverageAnalysis]: Checked inductivity of 3782 backedges. 0 proven. 3782 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:58,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:26:58,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121877100] [2024-11-19 10:26:58,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121877100] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:26:58,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1974488968] [2024-11-19 10:26:58,437 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-19 10:26:58,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:26:58,437 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:26:58,438 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:26:58,439 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-19 10:26:58,611 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 32 check-sat command(s) [2024-11-19 10:26:58,611 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:26:58,614 INFO L255 TraceCheckSpWp]: Trace formula consists of 594 conjuncts, 127 conjuncts are in the unsatisfiable core [2024-11-19 10:26:58,617 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:27:01,531 INFO L134 CoverageAnalysis]: Checked inductivity of 3782 backedges. 0 proven. 3782 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:27:01,531 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:27:05,976 INFO L134 CoverageAnalysis]: Checked inductivity of 3782 backedges. 0 proven. 3782 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:27:05,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1974488968] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:27:05,976 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:27:05,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [66, 95, 95] total 254 [2024-11-19 10:27:05,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459842313] [2024-11-19 10:27:05,977 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:27:05,978 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 255 states [2024-11-19 10:27:05,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:27:05,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 255 interpolants. [2024-11-19 10:27:05,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8883, Invalid=55887, Unknown=0, NotChecked=0, Total=64770 [2024-11-19 10:27:05,986 INFO L87 Difference]: Start difference. First operand 513 states and 559 transitions. Second operand has 255 states, 254 states have (on average 3.0196850393700787) internal successors, (767), 255 states have internal predecessors, (767), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:27:06,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:27:06,681 INFO L93 Difference]: Finished difference Result 662 states and 693 transitions. [2024-11-19 10:27:06,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 189 states. [2024-11-19 10:27:06,682 INFO L78 Accepts]: Start accepts. Automaton has has 255 states, 254 states have (on average 3.0196850393700787) internal successors, (767), 255 states have internal predecessors, (767), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 257 [2024-11-19 10:27:06,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:27:06,684 INFO L225 Difference]: With dead ends: 662 [2024-11-19 10:27:06,684 INFO L226 Difference]: Without dead ends: 533 [2024-11-19 10:27:06,687 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 578 GetRequests, 325 SyntacticMatches, 0 SemanticMatches, 253 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42469 ImplicationChecksByTransitivity, 7.8s TimeCoverageRelationStatistics Valid=8883, Invalid=55887, Unknown=0, NotChecked=0, Total=64770 [2024-11-19 10:27:06,688 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 515 mSDsluCounter, 515 mSDsCounter, 0 mSdLazyCounter, 651 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 515 SdHoareTripleChecker+Valid, 527 SdHoareTripleChecker+Invalid, 651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 651 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 10:27:06,688 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [515 Valid, 527 Invalid, 651 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 651 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 10:27:06,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 533 states. [2024-11-19 10:27:06,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 533 to 517. [2024-11-19 10:27:06,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 517 states, 513 states have (on average 1.0389863547758285) internal successors, (533), 516 states have internal predecessors, (533), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:27:06,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 517 states and 533 transitions. [2024-11-19 10:27:06,706 INFO L78 Accepts]: Start accepts. Automaton has 517 states and 533 transitions. Word has length 257 [2024-11-19 10:27:06,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:27:06,706 INFO L471 AbstractCegarLoop]: Abstraction has 517 states and 533 transitions. [2024-11-19 10:27:06,707 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 255 states, 254 states have (on average 3.0196850393700787) internal successors, (767), 255 states have internal predecessors, (767), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:27:06,707 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 533 transitions. [2024-11-19 10:27:06,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2024-11-19 10:27:06,723 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:27:06,723 INFO L215 NwaCegarLoop]: trace histogram [47, 47, 47, 47, 47, 47, 46, 46, 1, 1, 1, 1] [2024-11-19 10:27:06,737 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-11-19 10:27:06,924 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-19 10:27:06,924 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:27:06,924 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:27:06,924 INFO L85 PathProgramCache]: Analyzing trace with hash -296461869, now seen corresponding path program 5 times [2024-11-19 10:27:06,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:27:06,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035702404] [2024-11-19 10:27:06,925 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-19 10:27:06,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:27:07,065 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2024-11-19 10:27:07,065 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:27:08,865 INFO L134 CoverageAnalysis]: Checked inductivity of 8602 backedges. 0 proven. 8602 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:27:08,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:27:08,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035702404] [2024-11-19 10:27:08,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035702404] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:27:08,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1923448421] [2024-11-19 10:27:08,866 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-19 10:27:08,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:27:08,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:27:08,867 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:27:08,868 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-19 10:27:09,152 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2024-11-19 10:27:09,153 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:27:09,156 INFO L255 TraceCheckSpWp]: Trace formula consists of 872 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-19 10:27:09,160 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:27:09,515 INFO L134 CoverageAnalysis]: Checked inductivity of 8602 backedges. 0 proven. 8602 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:27:09,516 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:27:12,025 INFO L134 CoverageAnalysis]: Checked inductivity of 8602 backedges. 0 proven. 8602 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:27:12,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1923448421] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:27:12,026 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:27:12,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 48, 48] total 95 [2024-11-19 10:27:12,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669657169] [2024-11-19 10:27:12,026 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:27:12,027 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2024-11-19 10:27:12,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:27:12,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2024-11-19 10:27:12,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2024-11-19 10:27:12,031 INFO L87 Difference]: Start difference. First operand 517 states and 533 transitions. Second operand has 96 states, 95 states have (on average 7.936842105263158) internal successors, (754), 96 states have internal predecessors, (754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:27:12,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:27:12,472 INFO L93 Difference]: Finished difference Result 990 states and 1037 transitions. [2024-11-19 10:27:12,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-11-19 10:27:12,473 INFO L78 Accepts]: Start accepts. Automaton has has 96 states, 95 states have (on average 7.936842105263158) internal successors, (754), 96 states have internal predecessors, (754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 378 [2024-11-19 10:27:12,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:27:12,477 INFO L225 Difference]: With dead ends: 990 [2024-11-19 10:27:12,477 INFO L226 Difference]: Without dead ends: 989 [2024-11-19 10:27:12,478 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 802 GetRequests, 708 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2024-11-19 10:27:12,478 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 631 mSDsluCounter, 807 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 631 SdHoareTripleChecker+Valid, 824 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:27:12,479 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [631 Valid, 824 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:27:12,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 989 states. [2024-11-19 10:27:12,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 989 to 770. [2024-11-19 10:27:12,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 770 states, 766 states have (on average 1.129242819843342) internal successors, (865), 769 states have internal predecessors, (865), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:27:12,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 770 states and 865 transitions. [2024-11-19 10:27:12,505 INFO L78 Accepts]: Start accepts. Automaton has 770 states and 865 transitions. Word has length 378 [2024-11-19 10:27:12,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:27:12,506 INFO L471 AbstractCegarLoop]: Abstraction has 770 states and 865 transitions. [2024-11-19 10:27:12,506 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 95 states have (on average 7.936842105263158) internal successors, (754), 96 states have internal predecessors, (754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:27:12,507 INFO L276 IsEmpty]: Start isEmpty. Operand 770 states and 865 transitions. [2024-11-19 10:27:12,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 504 [2024-11-19 10:27:12,509 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:27:12,509 INFO L215 NwaCegarLoop]: trace histogram [63, 63, 63, 62, 62, 62, 62, 62, 1, 1, 1, 1] [2024-11-19 10:27:12,527 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-11-19 10:27:12,709 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:27:12,710 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:27:12,710 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:27:12,710 INFO L85 PathProgramCache]: Analyzing trace with hash 607061044, now seen corresponding path program 5 times [2024-11-19 10:27:12,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:27:12,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196330974] [2024-11-19 10:27:12,711 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-19 10:27:12,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:27:12,937 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 63 check-sat command(s) [2024-11-19 10:27:12,937 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:27:20,324 INFO L134 CoverageAnalysis]: Checked inductivity of 15376 backedges. 0 proven. 15376 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:27:20,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:27:20,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196330974] [2024-11-19 10:27:20,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1196330974] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:27:20,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1006761389] [2024-11-19 10:27:20,325 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-19 10:27:20,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:27:20,325 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:27:20,327 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:27:20,329 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-19 10:27:20,863 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 63 check-sat command(s) [2024-11-19 10:27:20,863 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:27:20,868 INFO L255 TraceCheckSpWp]: Trace formula consists of 1151 conjuncts, 128 conjuncts are in the unsatisfiable core [2024-11-19 10:27:20,876 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:27:21,293 INFO L134 CoverageAnalysis]: Checked inductivity of 15376 backedges. 0 proven. 15376 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:27:21,293 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:27:32,110 INFO L134 CoverageAnalysis]: Checked inductivity of 15376 backedges. 0 proven. 15376 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:27:32,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1006761389] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:27:32,110 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:27:32,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [127, 127, 127] total 253 [2024-11-19 10:27:32,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770719629] [2024-11-19 10:27:32,111 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:27:32,112 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 254 states [2024-11-19 10:27:32,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:27:32,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 254 interpolants. [2024-11-19 10:27:32,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16255, Invalid=48007, Unknown=0, NotChecked=0, Total=64262 [2024-11-19 10:27:32,120 INFO L87 Difference]: Start difference. First operand 770 states and 865 transitions. Second operand has 254 states, 253 states have (on average 3.9683794466403164) internal successors, (1004), 254 states have internal predecessors, (1004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:27:33,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:27:33,806 INFO L93 Difference]: Finished difference Result 1370 states and 1496 transitions. [2024-11-19 10:27:33,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 254 states. [2024-11-19 10:27:33,807 INFO L78 Accepts]: Start accepts. Automaton has has 254 states, 253 states have (on average 3.9683794466403164) internal successors, (1004), 254 states have internal predecessors, (1004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 503 [2024-11-19 10:27:33,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:27:33,811 INFO L225 Difference]: With dead ends: 1370 [2024-11-19 10:27:33,811 INFO L226 Difference]: Without dead ends: 1369 [2024-11-19 10:27:33,813 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1131 GetRequests, 879 SyntacticMatches, 0 SemanticMatches, 252 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19469 ImplicationChecksByTransitivity, 14.2s TimeCoverageRelationStatistics Valid=16255, Invalid=48007, Unknown=0, NotChecked=0, Total=64262 [2024-11-19 10:27:33,813 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 1237 mSDsluCounter, 964 mSDsCounter, 0 mSdLazyCounter, 588 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1237 SdHoareTripleChecker+Valid, 977 SdHoareTripleChecker+Invalid, 589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 588 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-19 10:27:33,814 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1237 Valid, 977 Invalid, 589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 588 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-19 10:27:33,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1369 states. [2024-11-19 10:27:33,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1369 to 1023. [2024-11-19 10:27:33,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1023 states, 1019 states have (on average 1.1579980372914622) internal successors, (1180), 1022 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:27:33,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1023 states to 1023 states and 1180 transitions. [2024-11-19 10:27:33,847 INFO L78 Accepts]: Start accepts. Automaton has 1023 states and 1180 transitions. Word has length 503 [2024-11-19 10:27:33,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:27:33,848 INFO L471 AbstractCegarLoop]: Abstraction has 1023 states and 1180 transitions. [2024-11-19 10:27:33,848 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 254 states, 253 states have (on average 3.9683794466403164) internal successors, (1004), 254 states have internal predecessors, (1004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:27:33,848 INFO L276 IsEmpty]: Start isEmpty. Operand 1023 states and 1180 transitions. [2024-11-19 10:27:33,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 506 [2024-11-19 10:27:33,851 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:27:33,851 INFO L215 NwaCegarLoop]: trace histogram [63, 63, 63, 63, 63, 62, 62, 62, 1, 1, 1, 1] [2024-11-19 10:27:33,870 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-19 10:27:34,051 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2024-11-19 10:27:34,052 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:27:34,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:27:34,052 INFO L85 PathProgramCache]: Analyzing trace with hash -729887274, now seen corresponding path program 5 times [2024-11-19 10:27:34,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:27:34,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462055059] [2024-11-19 10:27:34,053 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-19 10:27:34,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:27:34,221 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 63 check-sat command(s) [2024-11-19 10:27:34,221 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat