./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/loop-simple/nested_5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/loop-simple/nested_5.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3d0f32d2f39934bb8fd732fa206acfa5d2fb4cacaee37919c0e4326d55891c86 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 22:21:30,210 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 22:21:30,268 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-22 22:21:30,275 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 22:21:30,276 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 22:21:30,308 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 22:21:30,308 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 22:21:30,308 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 22:21:30,309 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 22:21:30,310 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 22:21:30,311 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 22:21:30,311 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 22:21:30,312 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 22:21:30,312 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 22:21:30,313 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 22:21:30,313 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 22:21:30,313 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 22:21:30,313 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 22:21:30,313 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 22:21:30,314 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 22:21:30,314 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 22:21:30,317 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 22:21:30,317 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 22:21:30,317 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 22:21:30,317 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 22:21:30,317 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-22 22:21:30,318 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-22 22:21:30,318 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 22:21:30,318 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 22:21:30,318 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 22:21:30,318 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 22:21:30,330 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 22:21:30,330 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 22:21:30,330 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 22:21:30,331 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 22:21:30,331 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 22:21:30,331 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 22:21:30,331 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 22:21:30,331 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 22:21:30,331 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 22:21:30,332 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 22:21:30,332 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 22:21:30,332 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 22:21:30,332 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 22:21:30,332 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3d0f32d2f39934bb8fd732fa206acfa5d2fb4cacaee37919c0e4326d55891c86 [2024-11-22 22:21:30,545 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 22:21:30,559 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 22:21:30,561 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 22:21:30,562 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 22:21:30,563 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 22:21:30,563 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-simple/nested_5.c [2024-11-22 22:21:31,842 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 22:21:32,016 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 22:21:32,017 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-simple/nested_5.c [2024-11-22 22:21:32,022 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd664fb91/440d836404ab4000a40f3fd60fffeebc/FLAG95ad5d3b9 [2024-11-22 22:21:32,416 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd664fb91/440d836404ab4000a40f3fd60fffeebc [2024-11-22 22:21:32,418 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 22:21:32,419 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 22:21:32,420 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 22:21:32,420 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 22:21:32,425 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 22:21:32,425 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:21:32" (1/1) ... [2024-11-22 22:21:32,428 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3201f9b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:21:32, skipping insertion in model container [2024-11-22 22:21:32,428 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:21:32" (1/1) ... [2024-11-22 22:21:32,444 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 22:21:32,589 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 22:21:32,596 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 22:21:32,613 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 22:21:32,627 INFO L204 MainTranslator]: Completed translation [2024-11-22 22:21:32,627 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:21:32 WrapperNode [2024-11-22 22:21:32,627 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 22:21:32,628 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 22:21:32,628 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 22:21:32,629 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 22:21:32,634 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:21:32" (1/1) ... [2024-11-22 22:21:32,640 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:21:32" (1/1) ... [2024-11-22 22:21:32,653 INFO L138 Inliner]: procedures = 10, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 69 [2024-11-22 22:21:32,653 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 22:21:32,654 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 22:21:32,654 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 22:21:32,654 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 22:21:32,661 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:21:32" (1/1) ... [2024-11-22 22:21:32,662 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:21:32" (1/1) ... [2024-11-22 22:21:32,663 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:21:32" (1/1) ... [2024-11-22 22:21:32,678 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]. [2024-11-22 22:21:32,682 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:21:32" (1/1) ... [2024-11-22 22:21:32,682 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:21:32" (1/1) ... [2024-11-22 22:21:32,684 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:21:32" (1/1) ... [2024-11-22 22:21:32,691 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:21:32" (1/1) ... [2024-11-22 22:21:32,692 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:21:32" (1/1) ... [2024-11-22 22:21:32,693 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:21:32" (1/1) ... [2024-11-22 22:21:32,694 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 22:21:32,698 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 22:21:32,698 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 22:21:32,698 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 22:21:32,699 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:21:32" (1/1) ... [2024-11-22 22:21:32,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 22:21:32,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:21:32,725 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) [2024-11-22 22:21:32,727 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 [2024-11-22 22:21:32,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 22:21:32,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 22:21:32,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 22:21:32,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 22:21:32,829 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 22:21:32,831 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 22:21:32,974 INFO L? ?]: Removed 17 outVars from TransFormulas that were not future-live. [2024-11-22 22:21:32,974 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 22:21:32,990 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 22:21:32,991 INFO L316 CfgBuilder]: Removed 5 assume(true) statements. [2024-11-22 22:21:32,991 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:21:32 BoogieIcfgContainer [2024-11-22 22:21:32,991 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 22:21:32,993 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 22:21:32,994 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 22:21:32,996 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 22:21:32,996 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 10:21:32" (1/3) ... [2024-11-22 22:21:32,997 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ff479d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:21:32, skipping insertion in model container [2024-11-22 22:21:32,997 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:21:32" (2/3) ... [2024-11-22 22:21:32,997 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ff479d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:21:32, skipping insertion in model container [2024-11-22 22:21:32,998 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:21:32" (3/3) ... [2024-11-22 22:21:32,999 INFO L112 eAbstractionObserver]: Analyzing ICFG nested_5.c [2024-11-22 22:21:33,012 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 22:21:33,012 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2024-11-22 22:21:33,066 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 22:21:33,075 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;@2d024564, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 22:21:33,076 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-11-22 22:21:33,081 INFO L276 IsEmpty]: Start isEmpty. Operand has 33 states, 22 states have (on average 1.9545454545454546) internal successors, (43), 32 states have internal predecessors, (43), 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) [2024-11-22 22:21:33,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-22 22:21:33,088 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:21:33,090 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-22 22:21:33,091 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-22 22:21:33,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:21:33,096 INFO L85 PathProgramCache]: Analyzing trace with hash 28698911, now seen corresponding path program 1 times [2024-11-22 22:21:33,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:21:33,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127775446] [2024-11-22 22:21:33,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:21:33,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:21:33,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:21:33,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:21:33,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:21:33,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127775446] [2024-11-22 22:21:33,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2127775446] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:21:33,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:21:33,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:21:33,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758690971] [2024-11-22 22:21:33,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:21:33,240 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:21:33,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:21:33,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:21:33,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:21:33,263 INFO L87 Difference]: Start difference. First operand has 33 states, 22 states have (on average 1.9545454545454546) internal successors, (43), 32 states have internal predecessors, (43), 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 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2024-11-22 22:21:33,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:21:33,300 INFO L93 Difference]: Finished difference Result 81 states and 111 transitions. [2024-11-22 22:21:33,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:21:33,303 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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 5 [2024-11-22 22:21:33,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:21:33,309 INFO L225 Difference]: With dead ends: 81 [2024-11-22 22:21:33,309 INFO L226 Difference]: Without dead ends: 45 [2024-11-22 22:21:33,311 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:21:33,314 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 20 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:21:33,315 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 59 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:21:33,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2024-11-22 22:21:33,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 39. [2024-11-22 22:21:33,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 29 states have (on average 1.793103448275862) internal successors, (52), 38 states have internal predecessors, (52), 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) [2024-11-22 22:21:33,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 52 transitions. [2024-11-22 22:21:33,343 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 52 transitions. Word has length 5 [2024-11-22 22:21:33,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:21:33,343 INFO L471 AbstractCegarLoop]: Abstraction has 39 states and 52 transitions. [2024-11-22 22:21:33,343 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2024-11-22 22:21:33,343 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 52 transitions. [2024-11-22 22:21:33,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-22 22:21:33,344 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:21:33,344 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:21:33,344 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-22 22:21:33,345 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-22 22:21:33,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:21:33,345 INFO L85 PathProgramCache]: Analyzing trace with hash 1809866121, now seen corresponding path program 1 times [2024-11-22 22:21:33,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:21:33,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893612181] [2024-11-22 22:21:33,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:21:33,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:21:33,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:21:33,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:21:33,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:21:33,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893612181] [2024-11-22 22:21:33,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893612181] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:21:33,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:21:33,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:21:33,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147464745] [2024-11-22 22:21:33,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:21:33,388 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:21:33,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:21:33,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:21:33,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:21:33,389 INFO L87 Difference]: Start difference. First operand 39 states and 52 transitions. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 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) [2024-11-22 22:21:33,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:21:33,418 INFO L93 Difference]: Finished difference Result 90 states and 126 transitions. [2024-11-22 22:21:33,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:21:33,418 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 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 [2024-11-22 22:21:33,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:21:33,419 INFO L225 Difference]: With dead ends: 90 [2024-11-22 22:21:33,419 INFO L226 Difference]: Without dead ends: 53 [2024-11-22 22:21:33,420 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:21:33,420 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 8 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:21:33,421 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 51 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:21:33,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2024-11-22 22:21:33,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 51. [2024-11-22 22:21:33,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 41 states have (on average 1.7073170731707317) internal successors, (70), 50 states have internal predecessors, (70), 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) [2024-11-22 22:21:33,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 70 transitions. [2024-11-22 22:21:33,436 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 70 transitions. Word has length 7 [2024-11-22 22:21:33,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:21:33,436 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 70 transitions. [2024-11-22 22:21:33,436 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 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) [2024-11-22 22:21:33,437 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 70 transitions. [2024-11-22 22:21:33,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-22 22:21:33,437 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:21:33,437 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:21:33,437 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 22:21:33,438 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-22 22:21:33,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:21:33,439 INFO L85 PathProgramCache]: Analyzing trace with hash 271276373, now seen corresponding path program 1 times [2024-11-22 22:21:33,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:21:33,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254550887] [2024-11-22 22:21:33,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:21:33,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:21:33,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:21:33,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:21:33,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:21:33,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254550887] [2024-11-22 22:21:33,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254550887] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:21:33,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:21:33,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:21:33,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589201425] [2024-11-22 22:21:33,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:21:33,483 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:21:33,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:21:33,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:21:33,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:21:33,484 INFO L87 Difference]: Start difference. First operand 51 states and 70 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 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) [2024-11-22 22:21:33,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:21:33,505 INFO L93 Difference]: Finished difference Result 112 states and 162 transitions. [2024-11-22 22:21:33,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:21:33,506 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 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 [2024-11-22 22:21:33,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:21:33,507 INFO L225 Difference]: With dead ends: 112 [2024-11-22 22:21:33,508 INFO L226 Difference]: Without dead ends: 63 [2024-11-22 22:21:33,508 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 [2024-11-22 22:21:33,509 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 1 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:21:33,509 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 51 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:21:33,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2024-11-22 22:21:33,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2024-11-22 22:21:33,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 53 states have (on average 1.5471698113207548) internal successors, (82), 62 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) [2024-11-22 22:21:33,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 82 transitions. [2024-11-22 22:21:33,517 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 82 transitions. Word has length 8 [2024-11-22 22:21:33,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:21:33,518 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 82 transitions. [2024-11-22 22:21:33,518 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 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) [2024-11-22 22:21:33,518 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 82 transitions. [2024-11-22 22:21:33,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-22 22:21:33,519 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:21:33,519 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:21:33,519 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 22:21:33,519 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-22 22:21:33,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:21:33,520 INFO L85 PathProgramCache]: Analyzing trace with hash -181236569, now seen corresponding path program 1 times [2024-11-22 22:21:33,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:21:33,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876497357] [2024-11-22 22:21:33,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:21:33,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:21:33,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:21:33,562 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:21:33,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:21:33,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876497357] [2024-11-22 22:21:33,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [876497357] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:21:33,565 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:21:33,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:21:33,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861523866] [2024-11-22 22:21:33,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:21:33,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:21:33,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:21:33,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:21:33,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:21:33,566 INFO L87 Difference]: Start difference. First operand 63 states and 82 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 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) [2024-11-22 22:21:33,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:21:33,615 INFO L93 Difference]: Finished difference Result 170 states and 228 transitions. [2024-11-22 22:21:33,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:21:33,616 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 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 [2024-11-22 22:21:33,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:21:33,619 INFO L225 Difference]: With dead ends: 170 [2024-11-22 22:21:33,619 INFO L226 Difference]: Without dead ends: 109 [2024-11-22 22:21:33,619 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:21:33,620 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 14 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:21:33,621 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 51 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:21:33,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-11-22 22:21:33,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 105. [2024-11-22 22:21:33,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 95 states have (on average 1.4947368421052631) internal successors, (142), 104 states have internal predecessors, (142), 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) [2024-11-22 22:21:33,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 142 transitions. [2024-11-22 22:21:33,640 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 142 transitions. Word has length 9 [2024-11-22 22:21:33,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:21:33,640 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 142 transitions. [2024-11-22 22:21:33,640 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 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) [2024-11-22 22:21:33,640 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 142 transitions. [2024-11-22 22:21:33,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-22 22:21:33,641 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:21:33,641 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:21:33,641 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-22 22:21:33,641 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-22 22:21:33,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:21:33,642 INFO L85 PathProgramCache]: Analyzing trace with hash -1533946725, now seen corresponding path program 1 times [2024-11-22 22:21:33,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:21:33,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417389112] [2024-11-22 22:21:33,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:21:33,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:21:33,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:21:33,717 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:21:33,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:21:33,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417389112] [2024-11-22 22:21:33,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417389112] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:21:33,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1682205028] [2024-11-22 22:21:33,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:21:33,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:21:33,718 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:21:33,721 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) [2024-11-22 22:21:33,722 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-22 22:21:33,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:21:33,778 INFO L255 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-22 22:21:33,783 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:21:33,827 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:21:33,827 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:21:33,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1682205028] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:21:33,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:21:33,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-22 22:21:33,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776661913] [2024-11-22 22:21:33,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:21:33,829 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:21:33,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:21:33,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:21:33,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:21:33,832 INFO L87 Difference]: Start difference. First operand 105 states and 142 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) [2024-11-22 22:21:33,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:21:33,868 INFO L93 Difference]: Finished difference Result 105 states and 142 transitions. [2024-11-22 22:21:33,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:21:33,868 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 [2024-11-22 22:21:33,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:21:33,869 INFO L225 Difference]: With dead ends: 105 [2024-11-22 22:21:33,869 INFO L226 Difference]: Without dead ends: 104 [2024-11-22 22:21:33,870 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:21:33,870 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 47 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:21:33,871 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 26 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:21:33,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-11-22 22:21:33,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2024-11-22 22:21:33,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 95 states have (on average 1.4105263157894736) internal successors, (134), 103 states have internal predecessors, (134), 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) [2024-11-22 22:21:33,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 134 transitions. [2024-11-22 22:21:33,882 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 134 transitions. Word has length 11 [2024-11-22 22:21:33,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:21:33,882 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 134 transitions. [2024-11-22 22:21:33,882 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) [2024-11-22 22:21:33,883 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 134 transitions. [2024-11-22 22:21:33,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-22 22:21:33,883 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:21:33,883 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:21:33,889 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-22 22:21:34,087 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:21:34,088 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-22 22:21:34,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:21:34,089 INFO L85 PathProgramCache]: Analyzing trace with hash -307708142, now seen corresponding path program 1 times [2024-11-22 22:21:34,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:21:34,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630640569] [2024-11-22 22:21:34,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:21:34,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:21:34,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:21:34,115 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-22 22:21:34,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:21:34,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630640569] [2024-11-22 22:21:34,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [630640569] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:21:34,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:21:34,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:21:34,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598341604] [2024-11-22 22:21:34,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:21:34,116 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:21:34,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:21:34,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:21:34,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:21:34,117 INFO L87 Difference]: Start difference. First operand 104 states and 134 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2024-11-22 22:21:34,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:21:34,132 INFO L93 Difference]: Finished difference Result 104 states and 134 transitions. [2024-11-22 22:21:34,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:21:34,133 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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 12 [2024-11-22 22:21:34,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:21:34,137 INFO L225 Difference]: With dead ends: 104 [2024-11-22 22:21:34,137 INFO L226 Difference]: Without dead ends: 103 [2024-11-22 22:21:34,137 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 [2024-11-22 22:21:34,138 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 0 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:21:34,138 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 49 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:21:34,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2024-11-22 22:21:34,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 87. [2024-11-22 22:21:34,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 79 states have (on average 1.3924050632911393) internal successors, (110), 86 states have internal predecessors, (110), 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) [2024-11-22 22:21:34,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 110 transitions. [2024-11-22 22:21:34,146 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 110 transitions. Word has length 12 [2024-11-22 22:21:34,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:21:34,146 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 110 transitions. [2024-11-22 22:21:34,146 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2024-11-22 22:21:34,147 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 110 transitions. [2024-11-22 22:21:34,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-22 22:21:34,147 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:21:34,147 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:21:34,147 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-22 22:21:34,147 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-22 22:21:34,148 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:21:34,148 INFO L85 PathProgramCache]: Analyzing trace with hash 541633062, now seen corresponding path program 1 times [2024-11-22 22:21:34,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:21:34,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284097985] [2024-11-22 22:21:34,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:21:34,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:21:34,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:21:34,187 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-22 22:21:34,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:21:34,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284097985] [2024-11-22 22:21:34,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1284097985] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:21:34,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [735426796] [2024-11-22 22:21:34,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:21:34,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:21:34,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:21:34,190 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) [2024-11-22 22:21:34,195 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-22 22:21:34,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:21:34,221 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-22 22:21:34,221 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:21:34,232 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-22 22:21:34,232 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:21:34,248 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-22 22:21:34,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [735426796] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:21:34,249 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:21:34,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-22 22:21:34,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095294144] [2024-11-22 22:21:34,249 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:21:34,250 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-22 22:21:34,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:21:34,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-22 22:21:34,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-22 22:21:34,251 INFO L87 Difference]: Start difference. First operand 87 states and 110 transitions. Second operand has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 7 states have internal predecessors, (27), 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) [2024-11-22 22:21:34,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:21:34,274 INFO L93 Difference]: Finished difference Result 244 states and 314 transitions. [2024-11-22 22:21:34,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 22:21:34,275 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 7 states have internal predecessors, (27), 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 [2024-11-22 22:21:34,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:21:34,276 INFO L225 Difference]: With dead ends: 244 [2024-11-22 22:21:34,276 INFO L226 Difference]: Without dead ends: 159 [2024-11-22 22:21:34,276 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-22 22:21:34,277 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 4 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:21:34,277 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 72 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:21:34,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2024-11-22 22:21:34,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2024-11-22 22:21:34,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 151 states have (on average 1.205298013245033) internal successors, (182), 158 states have internal predecessors, (182), 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) [2024-11-22 22:21:34,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 182 transitions. [2024-11-22 22:21:34,294 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 182 transitions. Word has length 18 [2024-11-22 22:21:34,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:21:34,295 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 182 transitions. [2024-11-22 22:21:34,295 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 7 states have internal predecessors, (27), 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) [2024-11-22 22:21:34,295 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 182 transitions. [2024-11-22 22:21:34,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-22 22:21:34,296 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:21:34,296 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:21:34,303 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-22 22:21:34,496 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-11-22 22:21:34,497 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)] === [2024-11-22 22:21:34,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:21:34,497 INFO L85 PathProgramCache]: Analyzing trace with hash 210294599, now seen corresponding path program 1 times [2024-11-22 22:21:34,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:21:34,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232128433] [2024-11-22 22:21:34,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:21:34,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:21:34,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:21:34,600 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-22 22:21:34,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:21:34,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232128433] [2024-11-22 22:21:34,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232128433] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:21:34,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [976441972] [2024-11-22 22:21:34,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:21:34,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:21:34,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:21:34,603 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) [2024-11-22 22:21:34,604 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-22 22:21:34,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:21:34,630 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-22 22:21:34,631 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:21:34,665 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-22 22:21:34,665 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:21:34,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [976441972] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:21:34,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:21:34,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-11-22 22:21:34,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930412568] [2024-11-22 22:21:34,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:21:34,666 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:21:34,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:21:34,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:21:34,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:21:34,667 INFO L87 Difference]: Start difference. First operand 159 states and 182 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 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) [2024-11-22 22:21:34,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:21:34,678 INFO L93 Difference]: Finished difference Result 159 states and 182 transitions. [2024-11-22 22:21:34,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:21:34,678 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 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 29 [2024-11-22 22:21:34,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:21:34,679 INFO L225 Difference]: With dead ends: 159 [2024-11-22 22:21:34,679 INFO L226 Difference]: Without dead ends: 158 [2024-11-22 22:21:34,680 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:21:34,680 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 7 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:21:34,680 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 25 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:21:34,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2024-11-22 22:21:34,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158. [2024-11-22 22:21:34,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 151 states have (on average 1.1986754966887416) internal successors, (181), 157 states have internal predecessors, (181), 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) [2024-11-22 22:21:34,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 181 transitions. [2024-11-22 22:21:34,695 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 181 transitions. Word has length 29 [2024-11-22 22:21:34,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:21:34,695 INFO L471 AbstractCegarLoop]: Abstraction has 158 states and 181 transitions. [2024-11-22 22:21:34,695 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 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) [2024-11-22 22:21:34,695 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 181 transitions. [2024-11-22 22:21:34,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-22 22:21:34,696 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:21:34,696 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:21:34,704 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-22 22:21:34,900 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:21:34,901 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-22 22:21:34,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:21:34,902 INFO L85 PathProgramCache]: Analyzing trace with hash -2070801918, now seen corresponding path program 1 times [2024-11-22 22:21:34,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:21:34,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601484010] [2024-11-22 22:21:34,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:21:34,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:21:34,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:21:34,944 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-22 22:21:34,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:21:34,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601484010] [2024-11-22 22:21:34,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601484010] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:21:34,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [624704249] [2024-11-22 22:21:34,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:21:34,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:21:34,946 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:21:34,948 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) [2024-11-22 22:21:34,952 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-22 22:21:34,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:21:34,983 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-22 22:21:34,984 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:21:35,037 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-22 22:21:35,038 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:21:35,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [624704249] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:21:35,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:21:35,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-11-22 22:21:35,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580238205] [2024-11-22 22:21:35,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:21:35,038 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:21:35,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:21:35,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:21:35,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:21:35,039 INFO L87 Difference]: Start difference. First operand 158 states and 181 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 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) [2024-11-22 22:21:35,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:21:35,065 INFO L93 Difference]: Finished difference Result 314 states and 360 transitions. [2024-11-22 22:21:35,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:21:35,065 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 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 30 [2024-11-22 22:21:35,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:21:35,067 INFO L225 Difference]: With dead ends: 314 [2024-11-22 22:21:35,067 INFO L226 Difference]: Without dead ends: 313 [2024-11-22 22:21:35,068 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:21:35,069 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 6 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:21:35,069 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 48 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:21:35,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2024-11-22 22:21:35,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 307. [2024-11-22 22:21:35,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 300 states have (on average 1.1966666666666668) internal successors, (359), 306 states have internal predecessors, (359), 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) [2024-11-22 22:21:35,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 359 transitions. [2024-11-22 22:21:35,103 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 359 transitions. Word has length 30 [2024-11-22 22:21:35,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:21:35,103 INFO L471 AbstractCegarLoop]: Abstraction has 307 states and 359 transitions. [2024-11-22 22:21:35,104 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 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) [2024-11-22 22:21:35,104 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 359 transitions. [2024-11-22 22:21:35,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-22 22:21:35,106 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:21:35,106 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:21:35,112 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-22 22:21:35,306 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:21:35,307 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-22 22:21:35,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:21:35,307 INFO L85 PathProgramCache]: Analyzing trace with hash 843716438, now seen corresponding path program 2 times [2024-11-22 22:21:35,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:21:35,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622973292] [2024-11-22 22:21:35,307 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:21:35,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:21:35,325 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:21:35,325 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:21:35,402 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-22 22:21:35,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:21:35,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622973292] [2024-11-22 22:21:35,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622973292] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:21:35,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [872764746] [2024-11-22 22:21:35,403 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:21:35,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:21:35,403 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:21:35,406 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) [2024-11-22 22:21:35,407 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-22 22:21:35,439 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:21:35,439 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:21:35,439 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-22 22:21:35,441 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:21:35,529 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 58 proven. 22 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-11-22 22:21:35,530 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:21:35,575 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 58 proven. 22 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-11-22 22:21:35,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [872764746] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:21:35,575 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:21:35,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 7, 7] total 10 [2024-11-22 22:21:35,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271215310] [2024-11-22 22:21:35,576 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:21:35,576 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-22 22:21:35,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:21:35,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-22 22:21:35,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-22 22:21:35,577 INFO L87 Difference]: Start difference. First operand 307 states and 359 transitions. Second operand has 10 states, 10 states have (on average 4.6) internal successors, (46), 10 states have internal predecessors, (46), 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) [2024-11-22 22:21:35,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:21:35,723 INFO L93 Difference]: Finished difference Result 690 states and 826 transitions. [2024-11-22 22:21:35,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-22 22:21:35,724 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.6) internal successors, (46), 10 states have internal predecessors, (46), 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 36 [2024-11-22 22:21:35,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:21:35,725 INFO L225 Difference]: With dead ends: 690 [2024-11-22 22:21:35,725 INFO L226 Difference]: Without dead ends: 402 [2024-11-22 22:21:35,726 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 61 SyntacticMatches, 4 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=140, Invalid=322, Unknown=0, NotChecked=0, Total=462 [2024-11-22 22:21:35,727 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 21 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:21:35,727 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 73 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:21:35,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2024-11-22 22:21:35,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 402. [2024-11-22 22:21:35,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 402 states, 396 states have (on average 1.128787878787879) internal successors, (447), 401 states have internal predecessors, (447), 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) [2024-11-22 22:21:35,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 447 transitions. [2024-11-22 22:21:35,743 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 447 transitions. Word has length 36 [2024-11-22 22:21:35,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:21:35,743 INFO L471 AbstractCegarLoop]: Abstraction has 402 states and 447 transitions. [2024-11-22 22:21:35,743 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.6) internal successors, (46), 10 states have internal predecessors, (46), 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) [2024-11-22 22:21:35,743 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 447 transitions. [2024-11-22 22:21:35,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-22 22:21:35,744 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:21:35,744 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:21:35,751 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-22 22:21:35,945 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,SelfDestructingSolverStorable9 [2024-11-22 22:21:35,945 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-22 22:21:35,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:21:35,946 INFO L85 PathProgramCache]: Analyzing trace with hash 1897158974, now seen corresponding path program 1 times [2024-11-22 22:21:35,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:21:35,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519441293] [2024-11-22 22:21:35,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:21:35,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:21:35,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:21:35,974 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2024-11-22 22:21:35,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:21:35,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519441293] [2024-11-22 22:21:35,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1519441293] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:21:35,975 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:21:35,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:21:35,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597846961] [2024-11-22 22:21:35,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:21:35,976 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:21:35,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:21:35,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:21:35,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:21:35,976 INFO L87 Difference]: Start difference. First operand 402 states and 447 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 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) [2024-11-22 22:21:36,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:21:36,014 INFO L93 Difference]: Finished difference Result 402 states and 447 transitions. [2024-11-22 22:21:36,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:21:36,014 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 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 49 [2024-11-22 22:21:36,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:21:36,016 INFO L225 Difference]: With dead ends: 402 [2024-11-22 22:21:36,016 INFO L226 Difference]: Without dead ends: 401 [2024-11-22 22:21:36,016 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 [2024-11-22 22:21:36,016 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 0 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:21:36,016 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 39 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:21:36,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2024-11-22 22:21:36,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 233. [2024-11-22 22:21:36,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 233 states, 228 states have (on average 1.1535087719298245) internal successors, (263), 232 states have internal predecessors, (263), 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) [2024-11-22 22:21:36,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 263 transitions. [2024-11-22 22:21:36,044 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 263 transitions. Word has length 49 [2024-11-22 22:21:36,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:21:36,044 INFO L471 AbstractCegarLoop]: Abstraction has 233 states and 263 transitions. [2024-11-22 22:21:36,044 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 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) [2024-11-22 22:21:36,044 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 263 transitions. [2024-11-22 22:21:36,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-22 22:21:36,045 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:21:36,045 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:21:36,045 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-22 22:21:36,046 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-22 22:21:36,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:21:36,046 INFO L85 PathProgramCache]: Analyzing trace with hash 165609201, now seen corresponding path program 1 times [2024-11-22 22:21:36,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:21:36,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137206478] [2024-11-22 22:21:36,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:21:36,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:21:36,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:21:36,105 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 128 proven. 1 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2024-11-22 22:21:36,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:21:36,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137206478] [2024-11-22 22:21:36,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2137206478] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:21:36,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [894579161] [2024-11-22 22:21:36,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:21:36,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:21:36,106 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:21:36,108 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) [2024-11-22 22:21:36,109 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-22 22:21:36,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:21:36,140 INFO L255 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-22 22:21:36,141 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:21:36,167 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 128 proven. 1 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2024-11-22 22:21:36,167 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:21:36,198 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 128 proven. 1 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2024-11-22 22:21:36,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [894579161] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:21:36,198 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:21:36,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-22 22:21:36,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309797002] [2024-11-22 22:21:36,199 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:21:36,199 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-22 22:21:36,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:21:36,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-22 22:21:36,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-22 22:21:36,200 INFO L87 Difference]: Start difference. First operand 233 states and 263 transitions. Second operand has 7 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 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) [2024-11-22 22:21:36,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:21:36,281 INFO L93 Difference]: Finished difference Result 966 states and 1072 transitions. [2024-11-22 22:21:36,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 22:21:36,281 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 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 [2024-11-22 22:21:36,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:21:36,284 INFO L225 Difference]: With dead ends: 966 [2024-11-22 22:21:36,284 INFO L226 Difference]: Without dead ends: 761 [2024-11-22 22:21:36,285 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-22 22:21:36,285 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 12 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:21:36,286 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 51 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:21:36,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 761 states. [2024-11-22 22:21:36,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 761 to 761. [2024-11-22 22:21:36,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 761 states, 756 states have (on average 1.0780423280423281) internal successors, (815), 760 states have internal predecessors, (815), 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) [2024-11-22 22:21:36,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 761 states to 761 states and 815 transitions. [2024-11-22 22:21:36,341 INFO L78 Accepts]: Start accepts. Automaton has 761 states and 815 transitions. Word has length 55 [2024-11-22 22:21:36,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:21:36,342 INFO L471 AbstractCegarLoop]: Abstraction has 761 states and 815 transitions. [2024-11-22 22:21:36,342 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 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) [2024-11-22 22:21:36,342 INFO L276 IsEmpty]: Start isEmpty. Operand 761 states and 815 transitions. [2024-11-22 22:21:36,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-22 22:21:36,344 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:21:36,344 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 8, 8, 8, 8, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:21:36,351 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-22 22:21:36,545 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:21:36,546 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-22 22:21:36,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:21:36,546 INFO L85 PathProgramCache]: Analyzing trace with hash 1244393761, now seen corresponding path program 2 times [2024-11-22 22:21:36,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:21:36,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074272004] [2024-11-22 22:21:36,547 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:21:36,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:21:36,564 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:21:36,564 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:21:36,730 INFO L134 CoverageAnalysis]: Checked inductivity of 3899 backedges. 0 proven. 1995 refuted. 0 times theorem prover too weak. 1904 trivial. 0 not checked. [2024-11-22 22:21:36,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:21:36,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074272004] [2024-11-22 22:21:36,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074272004] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:21:36,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1865240049] [2024-11-22 22:21:36,731 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:21:36,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:21:36,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:21:36,735 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) [2024-11-22 22:21:36,739 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-22 22:21:36,814 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:21:36,814 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:21:36,818 INFO L255 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-22 22:21:36,821 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:21:36,947 INFO L134 CoverageAnalysis]: Checked inductivity of 3899 backedges. 1994 proven. 748 refuted. 0 times theorem prover too weak. 1157 trivial. 0 not checked. [2024-11-22 22:21:36,947 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:21:37,084 INFO L134 CoverageAnalysis]: Checked inductivity of 3899 backedges. 1994 proven. 748 refuted. 0 times theorem prover too weak. 1157 trivial. 0 not checked. [2024-11-22 22:21:37,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1865240049] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:21:37,085 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:21:37,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 7, 7] total 10 [2024-11-22 22:21:37,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965789975] [2024-11-22 22:21:37,085 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:21:37,086 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-22 22:21:37,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:21:37,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-22 22:21:37,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-22 22:21:37,086 INFO L87 Difference]: Start difference. First operand 761 states and 815 transitions. Second operand has 10 states, 10 states have (on average 7.7) internal successors, (77), 10 states have internal predecessors, (77), 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) [2024-11-22 22:21:37,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:21:37,246 INFO L93 Difference]: Finished difference Result 1779 states and 1915 transitions. [2024-11-22 22:21:37,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-22 22:21:37,247 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.7) internal successors, (77), 10 states have internal predecessors, (77), 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 187 [2024-11-22 22:21:37,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:21:37,250 INFO L225 Difference]: With dead ends: 1779 [2024-11-22 22:21:37,250 INFO L226 Difference]: Without dead ends: 1112 [2024-11-22 22:21:37,251 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 387 GetRequests, 363 SyntacticMatches, 4 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=140, Invalid=322, Unknown=0, NotChecked=0, Total=462 [2024-11-22 22:21:37,252 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 23 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:21:37,252 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 105 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:21:37,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1112 states. [2024-11-22 22:21:37,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1112 to 1112. [2024-11-22 22:21:37,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1112 states, 1108 states have (on average 1.0640794223826715) internal successors, (1179), 1111 states have internal predecessors, (1179), 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) [2024-11-22 22:21:37,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 1112 states and 1179 transitions. [2024-11-22 22:21:37,335 INFO L78 Accepts]: Start accepts. Automaton has 1112 states and 1179 transitions. Word has length 187 [2024-11-22 22:21:37,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:21:37,336 INFO L471 AbstractCegarLoop]: Abstraction has 1112 states and 1179 transitions. [2024-11-22 22:21:37,336 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.7) internal successors, (77), 10 states have internal predecessors, (77), 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) [2024-11-22 22:21:37,336 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 1179 transitions. [2024-11-22 22:21:37,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2024-11-22 22:21:37,338 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:21:37,341 INFO L215 NwaCegarLoop]: trace histogram [72, 72, 72, 12, 12, 12, 12, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-22 22:21:37,347 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-22 22:21:37,544 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:21:37,545 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-22 22:21:37,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:21:37,545 INFO L85 PathProgramCache]: Analyzing trace with hash 2036998970, now seen corresponding path program 1 times [2024-11-22 22:21:37,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:21:37,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027392564] [2024-11-22 22:21:37,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:21:37,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:21:37,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:21:37,658 INFO L134 CoverageAnalysis]: Checked inductivity of 8824 backedges. 4479 proven. 0 refuted. 0 times theorem prover too weak. 4345 trivial. 0 not checked. [2024-11-22 22:21:37,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:21:37,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027392564] [2024-11-22 22:21:37,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1027392564] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:21:37,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:21:37,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:21:37,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821914942] [2024-11-22 22:21:37,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:21:37,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:21:37,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:21:37,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:21:37,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:21:37,660 INFO L87 Difference]: Start difference. First operand 1112 states and 1179 transitions. Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 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) [2024-11-22 22:21:37,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:21:37,697 INFO L93 Difference]: Finished difference Result 1112 states and 1179 transitions. [2024-11-22 22:21:37,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:21:37,698 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 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) Word has length 276 [2024-11-22 22:21:37,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:21:37,701 INFO L225 Difference]: With dead ends: 1112 [2024-11-22 22:21:37,701 INFO L226 Difference]: Without dead ends: 1111 [2024-11-22 22:21:37,701 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 [2024-11-22 22:21:37,702 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 0 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:21:37,702 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 31 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:21:37,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1111 states. [2024-11-22 22:21:37,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1111 to 571. [2024-11-22 22:21:37,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 571 states, 568 states have (on average 1.068661971830986) internal successors, (607), 570 states have internal predecessors, (607), 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) [2024-11-22 22:21:37,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 607 transitions. [2024-11-22 22:21:37,731 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 607 transitions. Word has length 276 [2024-11-22 22:21:37,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:21:37,731 INFO L471 AbstractCegarLoop]: Abstraction has 571 states and 607 transitions. [2024-11-22 22:21:37,731 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 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) [2024-11-22 22:21:37,731 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 607 transitions. [2024-11-22 22:21:37,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2024-11-22 22:21:37,733 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:21:37,733 INFO L215 NwaCegarLoop]: trace histogram [72, 72, 72, 12, 12, 12, 12, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-22 22:21:37,733 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-22 22:21:37,734 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-22 22:21:37,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:21:37,734 INFO L85 PathProgramCache]: Analyzing trace with hash -1328734948, now seen corresponding path program 1 times [2024-11-22 22:21:37,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:21:37,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88001038] [2024-11-22 22:21:37,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:21:37,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:21:37,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:21:37,862 INFO L134 CoverageAnalysis]: Checked inductivity of 8831 backedges. 4484 proven. 1 refuted. 0 times theorem prover too weak. 4346 trivial. 0 not checked. [2024-11-22 22:21:37,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:21:37,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88001038] [2024-11-22 22:21:37,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88001038] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:21:37,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1111933894] [2024-11-22 22:21:37,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:21:37,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:21:37,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:21:37,865 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) [2024-11-22 22:21:37,866 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-22 22:21:37,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:21:37,941 INFO L255 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-22 22:21:37,945 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:21:38,066 INFO L134 CoverageAnalysis]: Checked inductivity of 8831 backedges. 4484 proven. 1 refuted. 0 times theorem prover too weak. 4346 trivial. 0 not checked. [2024-11-22 22:21:38,066 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:21:38,198 INFO L134 CoverageAnalysis]: Checked inductivity of 8831 backedges. 4484 proven. 1 refuted. 0 times theorem prover too weak. 4346 trivial. 0 not checked. [2024-11-22 22:21:38,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1111933894] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:21:38,199 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:21:38,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-22 22:21:38,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152446072] [2024-11-22 22:21:38,199 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:21:38,199 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-22 22:21:38,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:21:38,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-22 22:21:38,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-22 22:21:38,200 INFO L87 Difference]: Start difference. First operand 571 states and 607 transitions. Second operand has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 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) [2024-11-22 22:21:38,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:21:38,352 INFO L93 Difference]: Finished difference Result 2633 states and 2793 transitions. [2024-11-22 22:21:38,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 22:21:38,353 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 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 282 [2024-11-22 22:21:38,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:21:38,358 INFO L225 Difference]: With dead ends: 2633 [2024-11-22 22:21:38,358 INFO L226 Difference]: Without dead ends: 2203 [2024-11-22 22:21:38,359 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 566 GetRequests, 561 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-22 22:21:38,359 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 20 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:21:38,359 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 73 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:21:38,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2203 states. [2024-11-22 22:21:38,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2203 to 2203. [2024-11-22 22:21:38,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2203 states, 2200 states have (on average 1.055909090909091) internal successors, (2323), 2202 states have internal predecessors, (2323), 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) [2024-11-22 22:21:38,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2203 states to 2203 states and 2323 transitions. [2024-11-22 22:21:38,484 INFO L78 Accepts]: Start accepts. Automaton has 2203 states and 2323 transitions. Word has length 282 [2024-11-22 22:21:38,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:21:38,484 INFO L471 AbstractCegarLoop]: Abstraction has 2203 states and 2323 transitions. [2024-11-22 22:21:38,484 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 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) [2024-11-22 22:21:38,484 INFO L276 IsEmpty]: Start isEmpty. Operand 2203 states and 2323 transitions. [2024-11-22 22:21:38,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1099 [2024-11-22 22:21:38,502 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:21:38,503 INFO L215 NwaCegarLoop]: trace histogram [288, 288, 288, 48, 48, 48, 48, 8, 8, 8, 8, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-22 22:21:38,510 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-22 22:21:38,703 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-22 22:21:38,704 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-22 22:21:38,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:21:38,705 INFO L85 PathProgramCache]: Analyzing trace with hash -1583082004, now seen corresponding path program 2 times [2024-11-22 22:21:38,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:21:38,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36545489] [2024-11-22 22:21:38,705 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:21:38,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:21:38,759 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:21:38,759 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:21:39,202 INFO L134 CoverageAnalysis]: Checked inductivity of 142835 backedges. 0 proven. 71691 refuted. 0 times theorem prover too weak. 71144 trivial. 0 not checked. [2024-11-22 22:21:39,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:21:39,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36545489] [2024-11-22 22:21:39,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36545489] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:21:39,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [386291937] [2024-11-22 22:21:39,203 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:21:39,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:21:39,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:21:39,205 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) [2024-11-22 22:21:39,206 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-22 22:21:39,464 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:21:39,464 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:21:39,469 INFO L255 TraceCheckSpWp]: Trace formula consists of 1935 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-22 22:21:39,476 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:21:39,966 INFO L134 CoverageAnalysis]: Checked inductivity of 142835 backedges. 71690 proven. 26884 refuted. 0 times theorem prover too weak. 44261 trivial. 0 not checked. [2024-11-22 22:21:39,966 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:21:40,477 INFO L134 CoverageAnalysis]: Checked inductivity of 142835 backedges. 71690 proven. 26884 refuted. 0 times theorem prover too weak. 44261 trivial. 0 not checked. [2024-11-22 22:21:40,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [386291937] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:21:40,478 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:21:40,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 7, 7] total 10 [2024-11-22 22:21:40,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602518087] [2024-11-22 22:21:40,479 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:21:40,480 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-22 22:21:40,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:21:40,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-22 22:21:40,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-22 22:21:40,481 INFO L87 Difference]: Start difference. First operand 2203 states and 2323 transitions. Second operand has 10 states, 10 states have (on average 10.8) internal successors, (108), 10 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) [2024-11-22 22:21:40,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:21:40,789 INFO L93 Difference]: Finished difference Result 4944 states and 5220 transitions. [2024-11-22 22:21:40,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-22 22:21:40,790 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.8) internal successors, (108), 10 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 1098 [2024-11-22 22:21:40,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:21:40,798 INFO L225 Difference]: With dead ends: 4944 [2024-11-22 22:21:40,798 INFO L226 Difference]: Without dead ends: 3290 [2024-11-22 22:21:40,800 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2209 GetRequests, 2185 SyntacticMatches, 4 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=140, Invalid=322, Unknown=0, NotChecked=0, Total=462 [2024-11-22 22:21:40,800 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 25 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:21:40,801 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 152 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:21:40,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3290 states. [2024-11-22 22:21:40,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3290 to 3290. [2024-11-22 22:21:40,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3290 states, 3288 states have (on average 1.0538321167883211) internal successors, (3465), 3289 states have internal predecessors, (3465), 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) [2024-11-22 22:21:40,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3290 states to 3290 states and 3465 transitions. [2024-11-22 22:21:40,976 INFO L78 Accepts]: Start accepts. Automaton has 3290 states and 3465 transitions. Word has length 1098 [2024-11-22 22:21:40,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:21:40,977 INFO L471 AbstractCegarLoop]: Abstraction has 3290 states and 3465 transitions. [2024-11-22 22:21:40,977 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.8) internal successors, (108), 10 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) [2024-11-22 22:21:40,977 INFO L276 IsEmpty]: Start isEmpty. Operand 3290 states and 3465 transitions. [2024-11-22 22:21:40,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1644 [2024-11-22 22:21:41,000 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:21:41,000 INFO L215 NwaCegarLoop]: trace histogram [432, 432, 432, 72, 72, 72, 72, 12, 12, 12, 12, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-22 22:21:41,008 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-22 22:21:41,200 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-22 22:21:41,201 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)] === [2024-11-22 22:21:41,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:21:41,202 INFO L85 PathProgramCache]: Analyzing trace with hash -46653930, now seen corresponding path program 1 times [2024-11-22 22:21:41,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:21:41,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42029772] [2024-11-22 22:21:41,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:21:41,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:21:41,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:21:41,791 INFO L134 CoverageAnalysis]: Checked inductivity of 321772 backedges. 161295 proven. 0 refuted. 0 times theorem prover too weak. 160477 trivial. 0 not checked. [2024-11-22 22:21:41,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:21:41,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42029772] [2024-11-22 22:21:41,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [42029772] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:21:41,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:21:41,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:21:41,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451218395] [2024-11-22 22:21:41,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:21:41,793 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:21:41,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:21:41,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:21:41,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:21:41,794 INFO L87 Difference]: Start difference. First operand 3290 states and 3465 transitions. Second operand has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 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) [2024-11-22 22:21:42,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:21:42,051 INFO L93 Difference]: Finished difference Result 3290 states and 3465 transitions. [2024-11-22 22:21:42,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:21:42,052 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 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 1643 [2024-11-22 22:21:42,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:21:42,062 INFO L225 Difference]: With dead ends: 3290 [2024-11-22 22:21:42,062 INFO L226 Difference]: Without dead ends: 3289 [2024-11-22 22:21:42,063 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 [2024-11-22 22:21:42,063 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 0 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:21:42,063 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 23 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:21:42,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3289 states. [2024-11-22 22:21:42,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3289 to 1651. [2024-11-22 22:21:42,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1651 states, 1650 states have (on average 1.053939393939394) internal successors, (1739), 1650 states have internal predecessors, (1739), 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) [2024-11-22 22:21:42,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1651 states to 1651 states and 1739 transitions. [2024-11-22 22:21:42,211 INFO L78 Accepts]: Start accepts. Automaton has 1651 states and 1739 transitions. Word has length 1643 [2024-11-22 22:21:42,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:21:42,213 INFO L471 AbstractCegarLoop]: Abstraction has 1651 states and 1739 transitions. [2024-11-22 22:21:42,213 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 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) [2024-11-22 22:21:42,213 INFO L276 IsEmpty]: Start isEmpty. Operand 1651 states and 1739 transitions. [2024-11-22 22:21:42,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1651 [2024-11-22 22:21:42,224 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:21:42,225 INFO L215 NwaCegarLoop]: trace histogram [432, 432, 432, 72, 72, 72, 72, 12, 12, 12, 12, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2024-11-22 22:21:42,225 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-22 22:21:42,225 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-22 22:21:42,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:21:42,226 INFO L85 PathProgramCache]: Analyzing trace with hash 1388074786, now seen corresponding path program 1 times [2024-11-22 22:21:42,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:21:42,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783350833] [2024-11-22 22:21:42,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:21:42,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:21:42,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:21:42,805 INFO L134 CoverageAnalysis]: Checked inductivity of 321780 backedges. 161300 proven. 1 refuted. 0 times theorem prover too weak. 160479 trivial. 0 not checked. [2024-11-22 22:21:42,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:21:42,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783350833] [2024-11-22 22:21:42,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783350833] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:21:42,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1074900064] [2024-11-22 22:21:42,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:21:42,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:21:42,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:21:42,807 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) [2024-11-22 22:21:42,809 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-22 22:21:43,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:21:43,125 INFO L255 TraceCheckSpWp]: Trace formula consists of 2893 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-22 22:21:43,136 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:21:43,856 INFO L134 CoverageAnalysis]: Checked inductivity of 321780 backedges. 161301 proven. 0 refuted. 0 times theorem prover too weak. 160479 trivial. 0 not checked. [2024-11-22 22:21:43,857 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:21:43,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1074900064] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:21:43,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:21:43,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-11-22 22:21:43,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098164288] [2024-11-22 22:21:43,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:21:43,858 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:21:43,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:21:43,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:21:43,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:21:43,859 INFO L87 Difference]: Start difference. First operand 1651 states and 1739 transitions. Second operand has 3 states, 2 states have (on average 20.0) internal successors, (40), 3 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) [2024-11-22 22:21:43,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:21:43,961 INFO L93 Difference]: Finished difference Result 1651 states and 1739 transitions. [2024-11-22 22:21:43,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:21:43,962 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 20.0) internal successors, (40), 3 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) Word has length 1650 [2024-11-22 22:21:43,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:21:43,964 INFO L225 Difference]: With dead ends: 1651 [2024-11-22 22:21:43,964 INFO L226 Difference]: Without dead ends: 0 [2024-11-22 22:21:43,966 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1653 GetRequests, 1650 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:21:43,966 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 0 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:21:43,966 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 19 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:21:43,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-22 22:21:43,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-22 22:21:43,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:21:43,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-22 22:21:43,967 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1650 [2024-11-22 22:21:43,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:21:43,968 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-22 22:21:43,968 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 20.0) internal successors, (40), 3 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) [2024-11-22 22:21:43,968 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-22 22:21:43,968 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-22 22:21:43,970 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining) [2024-11-22 22:21:43,970 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2024-11-22 22:21:43,971 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2024-11-22 22:21:43,971 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2024-11-22 22:21:43,971 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 10 remaining) [2024-11-22 22:21:43,971 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 10 remaining) [2024-11-22 22:21:43,971 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2024-11-22 22:21:43,971 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2024-11-22 22:21:43,971 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2024-11-22 22:21:43,971 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining) [2024-11-22 22:21:43,983 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-22 22:21:44,172 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,SelfDestructingSolverStorable17 [2024-11-22 22:21:44,175 INFO L407 BasicCegarLoop]: Path program histogram: [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:21:44,176 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-22 22:22:41,261 WARN L286 SmtUtils]: Spent 57.06s on a formula simplification. DAG size of input: 2738 DAG size of output: 2547 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-22 22:22:55,112 WARN L286 SmtUtils]: Spent 12.85s on a formula simplification. DAG size of input: 2547 DAG size of output: 42 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-22 22:22:55,980 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-22 22:22:56,003 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 10:22:56 BoogieIcfgContainer [2024-11-22 22:22:56,004 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-22 22:22:56,004 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-22 22:22:56,004 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-22 22:22:56,004 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-22 22:22:56,005 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:21:32" (3/4) ... [2024-11-22 22:22:56,008 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-22 22:22:56,013 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-11-22 22:22:56,013 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-22 22:22:56,014 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-22 22:22:56,014 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-22 22:22:56,082 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-22 22:22:56,082 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-22 22:22:56,082 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-22 22:22:56,083 INFO L158 Benchmark]: Toolchain (without parser) took 83663.71ms. Allocated memory was 188.7MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 133.4MB in the beginning and 1.1GB in the end (delta: -917.6MB). Peak memory consumption was 414.6MB. Max. memory is 16.1GB. [2024-11-22 22:22:56,083 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 188.7MB. Free memory is still 155.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 22:22:56,083 INFO L158 Benchmark]: CACSL2BoogieTranslator took 207.41ms. Allocated memory is still 188.7MB. Free memory was 133.4MB in the beginning and 120.4MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-22 22:22:56,083 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.01ms. Allocated memory is still 188.7MB. Free memory was 120.4MB in the beginning and 118.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-22 22:22:56,083 INFO L158 Benchmark]: Boogie Preprocessor took 39.90ms. Allocated memory is still 188.7MB. Free memory was 118.6MB in the beginning and 117.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-22 22:22:56,084 INFO L158 Benchmark]: RCFGBuilder took 293.57ms. Allocated memory is still 188.7MB. Free memory was 117.0MB in the beginning and 104.8MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-22 22:22:56,084 INFO L158 Benchmark]: TraceAbstraction took 83010.24ms. Allocated memory was 188.7MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 104.1MB in the beginning and 1.1GB in the end (delta: -951.1MB). Peak memory consumption was 873.9MB. Max. memory is 16.1GB. [2024-11-22 22:22:56,084 INFO L158 Benchmark]: Witness Printer took 78.37ms. Allocated memory is still 1.5GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-22 22:22:56,085 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 188.7MB. Free memory is still 155.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 207.41ms. Allocated memory is still 188.7MB. Free memory was 133.4MB in the beginning and 120.4MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.01ms. Allocated memory is still 188.7MB. Free memory was 120.4MB in the beginning and 118.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.90ms. Allocated memory is still 188.7MB. Free memory was 118.6MB in the beginning and 117.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 293.57ms. Allocated memory is still 188.7MB. Free memory was 117.0MB in the beginning and 104.8MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 83010.24ms. Allocated memory was 188.7MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 104.1MB in the beginning and 1.1GB in the end (delta: -951.1MB). Peak memory consumption was 873.9MB. Max. memory is 16.1GB. * Witness Printer took 78.37ms. Allocated memory is still 1.5GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 33 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 11.1s, OverallIterations: 18, TraceHistogramMax: 432, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 208 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 208 mSDsluCounter, 998 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 564 mSDsCounter, 34 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 419 IncrementalHoareTripleChecker+Invalid, 453 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 34 mSolverCounterUnsat, 434 mSDtfsCounter, 419 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5147 GetRequests, 5040 SyntacticMatches, 12 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 243 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3290occurred in iteration=16, InterpolantAutomatonStates: 103, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 18 MinimizatonAttempts, 2380 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 5.0s InterpolantComputationTime, 8801 NumberOfCodeBlocks, 8801 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 10443 ConstructedInterpolants, 0 QuantifiedInterpolants, 22083 SizeOfPredicates, 0 NumberOfNonLiveVariables, 6194 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 34 InterpolantComputations, 12 PerfectInterpolantSequences, 1313156/1442223 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 10 specifications checked. All of them hold - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: (((a <= 5) && ((((c <= 5) && (b == 0)) && (((((1 <= c) && (1 <= e)) && (1 <= d)) && (0 <= a)) || ((((c == 0) && (1 <= e)) && (1 <= d)) && (0 <= a)))) || ((((c <= 5) && (b <= 5)) && (1 <= b)) && (((((1 <= c) && (1 <= e)) && (1 <= d)) && (0 <= a)) || ((((c == 0) && (1 <= e)) && (1 <= d)) && (0 <= a)))))) || ((((((c <= 5) && (((((1 <= c) && (1 <= e)) && (d == 0)) && (0 <= a)) || ((((c == 0) && (1 <= e)) && (d == 0)) && (0 <= a)))) && (b <= 5)) && (1 <= b)) || (((c <= 5) && (((((1 <= c) && (1 <= e)) && (d == 0)) && (0 <= a)) || ((((c == 0) && (1 <= e)) && (d == 0)) && (0 <= a)))) && (b == 0))) && (a <= 5))) - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: (((a <= 5) && ((((((b == 0) && (1 <= c)) && (1 <= e)) && (1 <= d)) && (0 <= a)) || ((((((1 <= c) && (1 <= e)) && (b <= 5)) && (1 <= b)) && (1 <= d)) && (0 <= a)))) || (((((((c == 0) && (b == 0)) && (1 <= e)) && (1 <= d)) && (0 <= a)) || ((((((c == 0) && (1 <= e)) && (b <= 5)) && (1 <= b)) && (1 <= d)) && (0 <= a))) && (a <= 5))) - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: (((((1 <= c) && (1 <= e)) && (1 <= b)) && (1 <= d)) && (0 <= a)) - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: (((((((1 <= c) && (a <= 5)) && (1 <= e)) && (1 <= b)) && (1 <= d)) && (0 <= a)) || ((((((b == 0) && (1 <= c)) && (a <= 5)) && (1 <= e)) && (1 <= d)) && (0 <= a))) - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: (((a <= 5) && ((((c <= 5) && (b == 0)) && ((((c == 0) && (d <= 5)) && ((((1 <= e) && (1 <= d)) && (0 <= a)) || (((1 <= e) && (d == 0)) && (0 <= a)))) || (((d <= 5) && (1 <= c)) && ((((1 <= e) && (1 <= d)) && (0 <= a)) || (((1 <= e) && (d == 0)) && (0 <= a)))))) || ((((c <= 5) && (b <= 5)) && (1 <= b)) && ((((c == 0) && (d <= 5)) && ((((1 <= e) && (1 <= d)) && (0 <= a)) || (((1 <= e) && (d == 0)) && (0 <= a)))) || (((d <= 5) && (1 <= c)) && ((((1 <= e) && (1 <= d)) && (0 <= a)) || (((1 <= e) && (d == 0)) && (0 <= a)))))))) || ((a <= 5) && ((((c <= 5) && (b == 0)) && ((((d <= 5) && (1 <= c)) && ((((d == 0) && (0 <= a)) && (e == 0)) || (((1 <= d) && (0 <= a)) && (e == 0)))) || (((c == 0) && (d <= 5)) && ((((d == 0) && (0 <= a)) && (e == 0)) || (((1 <= d) && (0 <= a)) && (e == 0)))))) || ((((c <= 5) && ((((d <= 5) && (1 <= c)) && ((((d == 0) && (0 <= a)) && (e == 0)) || (((1 <= d) && (0 <= a)) && (e == 0)))) || (((c == 0) && (d <= 5)) && ((((d == 0) && (0 <= a)) && (e == 0)) || (((1 <= d) && (0 <= a)) && (e == 0)))))) && (b <= 5)) && (1 <= b))))) RESULT: Ultimate proved your program to be correct! [2024-11-22 22:22:56,103 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE