./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-zilu/benchmark03_linear.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-zilu/benchmark03_linear.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 36118893e72f01ac34f08ae30ac9eb83d0074096398f7228653cb15beb7a3f4b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 19:55:36,063 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 19:55:36,137 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-24 19:55:36,143 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 19:55:36,144 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 19:55:36,185 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 19:55:36,186 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 19:55:36,187 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 19:55:36,187 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 19:55:36,191 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 19:55:36,191 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 19:55:36,192 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 19:55:36,192 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 19:55:36,192 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 19:55:36,193 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 19:55:36,193 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 19:55:36,193 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 19:55:36,193 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 19:55:36,194 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 19:55:36,194 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 19:55:36,194 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 19:55:36,196 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 19:55:36,196 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 19:55:36,196 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 19:55:36,196 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 19:55:36,197 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-24 19:55:36,197 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 19:55:36,197 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 19:55:36,198 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 19:55:36,198 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 19:55:36,199 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 19:55:36,199 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 19:55:36,199 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 19:55:36,200 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 19:55:36,200 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 19:55:36,200 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 19:55:36,201 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 19:55:36,201 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 19:55:36,201 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 19:55:36,201 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 19:55:36,201 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 19:55:36,202 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 19:55:36,202 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 19:55:36,203 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 19:55:36,203 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 36118893e72f01ac34f08ae30ac9eb83d0074096398f7228653cb15beb7a3f4b [2024-10-24 19:55:36,454 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 19:55:36,481 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 19:55:36,486 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 19:55:36,487 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 19:55:36,487 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 19:55:36,488 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-zilu/benchmark03_linear.i [2024-10-24 19:55:37,939 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 19:55:38,119 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 19:55:38,120 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-zilu/benchmark03_linear.i [2024-10-24 19:55:38,126 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b89876a01/d3668f571ab343a0a3ff2793de3f2892/FLAGce89602b0 [2024-10-24 19:55:38,137 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b89876a01/d3668f571ab343a0a3ff2793de3f2892 [2024-10-24 19:55:38,140 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 19:55:38,141 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 19:55:38,145 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 19:55:38,145 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 19:55:38,150 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 19:55:38,151 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 07:55:38" (1/1) ... [2024-10-24 19:55:38,152 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4636375c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:55:38, skipping insertion in model container [2024-10-24 19:55:38,152 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 07:55:38" (1/1) ... [2024-10-24 19:55:38,179 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 19:55:38,372 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 19:55:38,381 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 19:55:38,398 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 19:55:38,416 INFO L204 MainTranslator]: Completed translation [2024-10-24 19:55:38,416 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:55:38 WrapperNode [2024-10-24 19:55:38,417 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 19:55:38,418 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 19:55:38,418 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 19:55:38,418 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 19:55:38,424 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:55:38" (1/1) ... [2024-10-24 19:55:38,431 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:55:38" (1/1) ... [2024-10-24 19:55:38,451 INFO L138 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 69 [2024-10-24 19:55:38,451 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 19:55:38,452 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 19:55:38,452 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 19:55:38,452 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 19:55:38,461 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:55:38" (1/1) ... [2024-10-24 19:55:38,462 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:55:38" (1/1) ... [2024-10-24 19:55:38,463 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:55:38" (1/1) ... [2024-10-24 19:55:38,474 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-24 19:55:38,474 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:55:38" (1/1) ... [2024-10-24 19:55:38,475 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:55:38" (1/1) ... [2024-10-24 19:55:38,477 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:55:38" (1/1) ... [2024-10-24 19:55:38,480 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:55:38" (1/1) ... [2024-10-24 19:55:38,481 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:55:38" (1/1) ... [2024-10-24 19:55:38,482 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:55:38" (1/1) ... [2024-10-24 19:55:38,484 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 19:55:38,487 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 19:55:38,487 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 19:55:38,487 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 19:55:38,488 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:55:38" (1/1) ... [2024-10-24 19:55:38,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 19:55:38,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:55:38,514 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 19:55:38,517 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 19:55:38,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 19:55:38,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 19:55:38,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 19:55:38,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 19:55:38,611 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 19:55:38,612 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 19:55:38,753 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-10-24 19:55:38,753 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 19:55:38,783 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 19:55:38,785 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 19:55:38,785 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 07:55:38 BoogieIcfgContainer [2024-10-24 19:55:38,786 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 19:55:38,789 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 19:55:38,790 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 19:55:38,795 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 19:55:38,795 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 07:55:38" (1/3) ... [2024-10-24 19:55:38,796 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@749430d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 07:55:38, skipping insertion in model container [2024-10-24 19:55:38,796 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:55:38" (2/3) ... [2024-10-24 19:55:38,796 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@749430d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 07:55:38, skipping insertion in model container [2024-10-24 19:55:38,796 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 07:55:38" (3/3) ... [2024-10-24 19:55:38,798 INFO L112 eAbstractionObserver]: Analyzing ICFG benchmark03_linear.i [2024-10-24 19:55:38,811 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 19:55:38,811 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2024-10-24 19:55:38,865 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 19:55:38,872 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;@33f4a8b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 19:55:38,873 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-10-24 19:55:38,878 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 21 states have (on average 1.7619047619047619) internal successors, (37), 31 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:55:38,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-10-24 19:55:38,885 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:55:38,885 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-10-24 19:55:38,886 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-24 19:55:38,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:55:38,891 INFO L85 PathProgramCache]: Analyzing trace with hash 88878630, now seen corresponding path program 1 times [2024-10-24 19:55:38,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:55:38,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195973562] [2024-10-24 19:55:38,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:55:38,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:55:38,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:55:39,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:55:39,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:55:39,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195973562] [2024-10-24 19:55:39,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [195973562] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:55:39,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:55:39,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 19:55:39,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642411253] [2024-10-24 19:55:39,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:55:39,138 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 19:55:39,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:55:39,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 19:55:39,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 19:55:39,165 INFO L87 Difference]: Start difference. First operand has 32 states, 21 states have (on average 1.7619047619047619) internal successors, (37), 31 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 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) [2024-10-24 19:55:39,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:55:39,226 INFO L93 Difference]: Finished difference Result 38 states and 44 transitions. [2024-10-24 19:55:39,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 19:55:39,229 INFO L78 Accepts]: Start accepts. Automaton has has 4 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 [2024-10-24 19:55:39,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:55:39,237 INFO L225 Difference]: With dead ends: 38 [2024-10-24 19:55:39,237 INFO L226 Difference]: Without dead ends: 24 [2024-10-24 19:55:39,240 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 19:55:39,243 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 23 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 19:55:39,244 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 44 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 19:55:39,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2024-10-24 19:55:39,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2024-10-24 19:55:39,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 15 states have (on average 1.6666666666666667) internal successors, (25), 23 states have internal predecessors, (25), 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) [2024-10-24 19:55:39,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 25 transitions. [2024-10-24 19:55:39,274 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 25 transitions. Word has length 5 [2024-10-24 19:55:39,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:55:39,274 INFO L471 AbstractCegarLoop]: Abstraction has 24 states and 25 transitions. [2024-10-24 19:55:39,275 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 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) [2024-10-24 19:55:39,275 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2024-10-24 19:55:39,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-24 19:55:39,275 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:55:39,275 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-24 19:55:39,275 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 19:55:39,276 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-24 19:55:39,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:55:39,277 INFO L85 PathProgramCache]: Analyzing trace with hash -1539729715, now seen corresponding path program 1 times [2024-10-24 19:55:39,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:55:39,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085090517] [2024-10-24 19:55:39,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:55:39,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:55:39,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:55:39,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:55:39,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:55:39,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085090517] [2024-10-24 19:55:39,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2085090517] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:55:39,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:55:39,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 19:55:39,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046948609] [2024-10-24 19:55:39,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:55:39,360 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 19:55:39,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:55:39,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 19:55:39,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 19:55:39,363 INFO L87 Difference]: Start difference. First operand 24 states and 25 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:55:39,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:55:39,402 INFO L93 Difference]: Finished difference Result 29 states and 30 transitions. [2024-10-24 19:55:39,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 19:55:39,403 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-10-24 19:55:39,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:55:39,404 INFO L225 Difference]: With dead ends: 29 [2024-10-24 19:55:39,404 INFO L226 Difference]: Without dead ends: 28 [2024-10-24 19:55:39,405 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 19:55:39,406 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 0 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 19:55:39,407 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 57 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 19:55:39,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2024-10-24 19:55:39,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2024-10-24 19:55:39,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 27 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:55:39,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 29 transitions. [2024-10-24 19:55:39,415 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 29 transitions. Word has length 6 [2024-10-24 19:55:39,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:55:39,415 INFO L471 AbstractCegarLoop]: Abstraction has 28 states and 29 transitions. [2024-10-24 19:55:39,416 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:55:39,416 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions. [2024-10-24 19:55:39,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-24 19:55:39,417 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:55:39,417 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:55:39,418 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 19:55:39,418 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-24 19:55:39,418 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:55:39,419 INFO L85 PathProgramCache]: Analyzing trace with hash -486980856, now seen corresponding path program 1 times [2024-10-24 19:55:39,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:55:39,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289583886] [2024-10-24 19:55:39,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:55:39,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:55:39,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:55:39,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:55:39,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:55:39,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289583886] [2024-10-24 19:55:39,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289583886] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:55:39,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:55:39,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 19:55:39,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224428269] [2024-10-24 19:55:39,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:55:39,584 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 19:55:39,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:55:39,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 19:55:39,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 19:55:39,585 INFO L87 Difference]: Start difference. First operand 28 states and 29 transitions. Second operand has 4 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) [2024-10-24 19:55:39,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:55:39,623 INFO L93 Difference]: Finished difference Result 32 states and 33 transitions. [2024-10-24 19:55:39,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 19:55:39,623 INFO L78 Accepts]: Start accepts. Automaton has has 4 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 [2024-10-24 19:55:39,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:55:39,624 INFO L225 Difference]: With dead ends: 32 [2024-10-24 19:55:39,624 INFO L226 Difference]: Without dead ends: 30 [2024-10-24 19:55:39,625 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 19:55:39,626 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 1 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 19:55:39,626 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 56 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 19:55:39,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2024-10-24 19:55:39,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2024-10-24 19:55:39,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 21 states have (on average 1.4761904761904763) internal successors, (31), 29 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:55:39,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 31 transitions. [2024-10-24 19:55:39,633 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 31 transitions. Word has length 7 [2024-10-24 19:55:39,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:55:39,634 INFO L471 AbstractCegarLoop]: Abstraction has 30 states and 31 transitions. [2024-10-24 19:55:39,634 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 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) [2024-10-24 19:55:39,635 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 31 transitions. [2024-10-24 19:55:39,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-10-24 19:55:39,636 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:55:39,636 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:55:39,636 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 19:55:39,636 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-24 19:55:39,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:55:39,637 INFO L85 PathProgramCache]: Analyzing trace with hash 162834410, now seen corresponding path program 1 times [2024-10-24 19:55:39,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:55:39,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865374869] [2024-10-24 19:55:39,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:55:39,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:55:39,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:55:39,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:55:39,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:55:39,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865374869] [2024-10-24 19:55:39,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865374869] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:55:39,770 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:55:39,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 19:55:39,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003794882] [2024-10-24 19:55:39,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:55:39,770 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 19:55:39,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:55:39,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 19:55:39,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-24 19:55:39,773 INFO L87 Difference]: Start difference. First operand 30 states and 31 transitions. Second operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 5 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) [2024-10-24 19:55:39,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:55:39,831 INFO L93 Difference]: Finished difference Result 33 states and 35 transitions. [2024-10-24 19:55:39,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 19:55:39,831 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 5 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 [2024-10-24 19:55:39,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:55:39,832 INFO L225 Difference]: With dead ends: 33 [2024-10-24 19:55:39,832 INFO L226 Difference]: Without dead ends: 32 [2024-10-24 19:55:39,833 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-10-24 19:55:39,834 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 4 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 19:55:39,836 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 66 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 19:55:39,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2024-10-24 19:55:39,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 31. [2024-10-24 19:55:39,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 22 states have (on average 1.4545454545454546) internal successors, (32), 30 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:55:39,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 32 transitions. [2024-10-24 19:55:39,848 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 32 transitions. Word has length 9 [2024-10-24 19:55:39,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:55:39,849 INFO L471 AbstractCegarLoop]: Abstraction has 31 states and 32 transitions. [2024-10-24 19:55:39,849 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 5 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) [2024-10-24 19:55:39,849 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 32 transitions. [2024-10-24 19:55:39,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-10-24 19:55:39,850 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:55:39,850 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:55:39,850 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 19:55:39,851 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-24 19:55:39,851 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:55:39,852 INFO L85 PathProgramCache]: Analyzing trace with hash 752899473, now seen corresponding path program 1 times [2024-10-24 19:55:39,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:55:39,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283126769] [2024-10-24 19:55:39,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:55:39,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:55:39,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:55:39,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:55:39,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:55:39,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283126769] [2024-10-24 19:55:39,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1283126769] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:55:39,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:55:39,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 19:55:39,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939966644] [2024-10-24 19:55:39,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:55:39,968 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 19:55:39,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:55:39,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 19:55:39,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-24 19:55:39,969 INFO L87 Difference]: Start difference. First operand 31 states and 32 transitions. Second operand has 6 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:55:40,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:55:40,033 INFO L93 Difference]: Finished difference Result 33 states and 34 transitions. [2024-10-24 19:55:40,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 19:55:40,034 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-10-24 19:55:40,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:55:40,034 INFO L225 Difference]: With dead ends: 33 [2024-10-24 19:55:40,034 INFO L226 Difference]: Without dead ends: 32 [2024-10-24 19:55:40,035 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-10-24 19:55:40,036 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 2 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 19:55:40,036 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 82 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 19:55:40,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2024-10-24 19:55:40,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2024-10-24 19:55:40,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 23 states have (on average 1.434782608695652) internal successors, (33), 31 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) [2024-10-24 19:55:40,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 33 transitions. [2024-10-24 19:55:40,040 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 33 transitions. Word has length 10 [2024-10-24 19:55:40,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:55:40,041 INFO L471 AbstractCegarLoop]: Abstraction has 32 states and 33 transitions. [2024-10-24 19:55:40,041 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:55:40,042 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2024-10-24 19:55:40,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-10-24 19:55:40,042 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:55:40,042 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:55:40,042 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 19:55:40,042 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-24 19:55:40,043 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:55:40,043 INFO L85 PathProgramCache]: Analyzing trace with hash 1865047244, now seen corresponding path program 1 times [2024-10-24 19:55:40,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:55:40,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255825297] [2024-10-24 19:55:40,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:55:40,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:55:40,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:55:40,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:55:40,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:55:40,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255825297] [2024-10-24 19:55:40,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [255825297] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:55:40,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:55:40,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 19:55:40,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544752065] [2024-10-24 19:55:40,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:55:40,128 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 19:55:40,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:55:40,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 19:55:40,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-24 19:55:40,130 INFO L87 Difference]: Start difference. First operand 32 states and 33 transitions. Second operand has 6 states, 5 states have (on average 2.2) internal successors, (11), 5 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) [2024-10-24 19:55:40,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:55:40,174 INFO L93 Difference]: Finished difference Result 35 states and 37 transitions. [2024-10-24 19:55:40,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 19:55:40,174 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 5 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 [2024-10-24 19:55:40,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:55:40,175 INFO L225 Difference]: With dead ends: 35 [2024-10-24 19:55:40,177 INFO L226 Difference]: Without dead ends: 34 [2024-10-24 19:55:40,177 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-24 19:55:40,178 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 1 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 19:55:40,178 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 56 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 19:55:40,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2024-10-24 19:55:40,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 33. [2024-10-24 19:55:40,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 24 states have (on average 1.4166666666666667) internal successors, (34), 32 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:55:40,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 34 transitions. [2024-10-24 19:55:40,185 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 34 transitions. Word has length 11 [2024-10-24 19:55:40,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:55:40,186 INFO L471 AbstractCegarLoop]: Abstraction has 33 states and 34 transitions. [2024-10-24 19:55:40,186 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 5 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) [2024-10-24 19:55:40,189 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2024-10-24 19:55:40,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-10-24 19:55:40,190 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:55:40,190 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:55:40,190 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 19:55:40,191 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-24 19:55:40,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:55:40,191 INFO L85 PathProgramCache]: Analyzing trace with hash 1981889779, now seen corresponding path program 1 times [2024-10-24 19:55:40,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:55:40,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094298599] [2024-10-24 19:55:40,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:55:40,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:55:40,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:55:40,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:55:40,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:55:40,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094298599] [2024-10-24 19:55:40,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094298599] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:55:40,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:55:40,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 19:55:40,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655860866] [2024-10-24 19:55:40,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:55:40,283 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 19:55:40,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:55:40,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 19:55:40,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-24 19:55:40,286 INFO L87 Difference]: Start difference. First operand 33 states and 34 transitions. Second operand has 6 states, 5 states have (on average 2.4) internal successors, (12), 5 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) [2024-10-24 19:55:40,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:55:40,332 INFO L93 Difference]: Finished difference Result 35 states and 36 transitions. [2024-10-24 19:55:40,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 19:55:40,334 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 5 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 [2024-10-24 19:55:40,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:55:40,334 INFO L225 Difference]: With dead ends: 35 [2024-10-24 19:55:40,334 INFO L226 Difference]: Without dead ends: 34 [2024-10-24 19:55:40,335 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-24 19:55:40,336 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 0 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 19:55:40,337 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 69 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 19:55:40,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2024-10-24 19:55:40,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2024-10-24 19:55:40,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 25 states have (on average 1.4) internal successors, (35), 33 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:55:40,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 35 transitions. [2024-10-24 19:55:40,345 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 35 transitions. Word has length 12 [2024-10-24 19:55:40,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:55:40,345 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 35 transitions. [2024-10-24 19:55:40,345 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 5 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) [2024-10-24 19:55:40,345 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 35 transitions. [2024-10-24 19:55:40,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-10-24 19:55:40,346 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:55:40,346 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:55:40,347 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 19:55:40,347 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)] === [2024-10-24 19:55:40,348 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:55:40,348 INFO L85 PathProgramCache]: Analyzing trace with hash 1925567605, now seen corresponding path program 1 times [2024-10-24 19:55:40,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:55:40,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985431723] [2024-10-24 19:55:40,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:55:40,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:55:40,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:55:40,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:55:40,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:55:40,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985431723] [2024-10-24 19:55:40,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985431723] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:55:40,478 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:55:40,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 19:55:40,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342154183] [2024-10-24 19:55:40,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:55:40,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 19:55:40,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:55:40,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 19:55:40,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-24 19:55:40,479 INFO L87 Difference]: Start difference. First operand 34 states and 35 transitions. Second operand has 7 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 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) [2024-10-24 19:55:40,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:55:40,551 INFO L93 Difference]: Finished difference Result 53 states and 58 transitions. [2024-10-24 19:55:40,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 19:55:40,551 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 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 14 [2024-10-24 19:55:40,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:55:40,554 INFO L225 Difference]: With dead ends: 53 [2024-10-24 19:55:40,554 INFO L226 Difference]: Without dead ends: 52 [2024-10-24 19:55:40,555 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-24 19:55:40,555 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 16 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 19:55:40,556 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 96 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 19:55:40,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-10-24 19:55:40,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 36. [2024-10-24 19:55:40,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 27 states have (on average 1.4074074074074074) internal successors, (38), 35 states have internal predecessors, (38), 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) [2024-10-24 19:55:40,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 38 transitions. [2024-10-24 19:55:40,564 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 38 transitions. Word has length 14 [2024-10-24 19:55:40,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:55:40,564 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 38 transitions. [2024-10-24 19:55:40,565 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 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) [2024-10-24 19:55:40,565 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 38 transitions. [2024-10-24 19:55:40,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-10-24 19:55:40,567 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:55:40,568 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:55:40,568 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-24 19:55:40,568 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)] === [2024-10-24 19:55:40,568 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:55:40,569 INFO L85 PathProgramCache]: Analyzing trace with hash -436946319, now seen corresponding path program 1 times [2024-10-24 19:55:40,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:55:40,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706187813] [2024-10-24 19:55:40,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:55:40,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:55:40,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:55:40,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:55:40,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:55:40,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706187813] [2024-10-24 19:55:40,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1706187813] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:55:40,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:55:40,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 19:55:40,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242886500] [2024-10-24 19:55:40,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:55:40,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 19:55:40,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:55:40,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 19:55:40,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-10-24 19:55:40,700 INFO L87 Difference]: Start difference. First operand 36 states and 38 transitions. Second operand has 7 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 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) [2024-10-24 19:55:40,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:55:40,760 INFO L93 Difference]: Finished difference Result 53 states and 57 transitions. [2024-10-24 19:55:40,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 19:55:40,760 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2024-10-24 19:55:40,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:55:40,761 INFO L225 Difference]: With dead ends: 53 [2024-10-24 19:55:40,761 INFO L226 Difference]: Without dead ends: 52 [2024-10-24 19:55:40,762 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-10-24 19:55:40,763 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 19 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 19:55:40,763 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 78 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 19:55:40,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-10-24 19:55:40,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 37. [2024-10-24 19:55:40,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 28 states have (on average 1.3928571428571428) internal successors, (39), 36 states have internal predecessors, (39), 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) [2024-10-24 19:55:40,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 39 transitions. [2024-10-24 19:55:40,769 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 39 transitions. Word has length 15 [2024-10-24 19:55:40,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:55:40,769 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 39 transitions. [2024-10-24 19:55:40,770 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 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) [2024-10-24 19:55:40,770 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 39 transitions. [2024-10-24 19:55:40,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-10-24 19:55:40,770 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:55:40,771 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:55:40,771 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-24 19:55:40,771 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-24 19:55:40,772 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:55:40,772 INFO L85 PathProgramCache]: Analyzing trace with hash 1006128476, now seen corresponding path program 1 times [2024-10-24 19:55:40,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:55:40,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400922004] [2024-10-24 19:55:40,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:55:40,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:55:40,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:55:40,830 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:55:40,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:55:40,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400922004] [2024-10-24 19:55:40,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1400922004] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:55:40,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [151939552] [2024-10-24 19:55:40,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:55:40,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:55:40,832 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:55:40,834 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 19:55:40,836 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-24 19:55:40,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:55:40,889 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-24 19:55:40,897 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:55:40,971 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:55:40,971 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 19:55:41,031 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:55:41,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [151939552] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 19:55:41,032 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 19:55:41,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2024-10-24 19:55:41,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338621367] [2024-10-24 19:55:41,033 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 19:55:41,033 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 19:55:41,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:55:41,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 19:55:41,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-24 19:55:41,034 INFO L87 Difference]: Start difference. First operand 37 states and 39 transitions. Second operand has 10 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:55:41,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:55:41,096 INFO L93 Difference]: Finished difference Result 80 states and 90 transitions. [2024-10-24 19:55:41,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-24 19:55:41,097 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2024-10-24 19:55:41,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:55:41,097 INFO L225 Difference]: With dead ends: 80 [2024-10-24 19:55:41,097 INFO L226 Difference]: Without dead ends: 79 [2024-10-24 19:55:41,098 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-24 19:55:41,098 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 28 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 19:55:41,099 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 129 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 19:55:41,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2024-10-24 19:55:41,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 67. [2024-10-24 19:55:41,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 58 states have (on average 1.5) internal successors, (87), 66 states have internal predecessors, (87), 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) [2024-10-24 19:55:41,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 87 transitions. [2024-10-24 19:55:41,106 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 87 transitions. Word has length 17 [2024-10-24 19:55:41,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:55:41,106 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 87 transitions. [2024-10-24 19:55:41,106 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:55:41,106 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 87 transitions. [2024-10-24 19:55:41,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-10-24 19:55:41,107 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:55:41,107 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:55:41,134 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-24 19:55:41,311 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-10-24 19:55:41,312 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-24 19:55:41,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:55:41,313 INFO L85 PathProgramCache]: Analyzing trace with hash 1125211737, now seen corresponding path program 1 times [2024-10-24 19:55:41,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:55:41,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29428410] [2024-10-24 19:55:41,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:55:41,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:55:41,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:55:41,382 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:55:41,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:55:41,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29428410] [2024-10-24 19:55:41,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [29428410] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:55:41,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1049465979] [2024-10-24 19:55:41,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:55:41,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:55:41,383 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:55:41,385 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 19:55:41,386 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-24 19:55:41,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:55:41,435 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-24 19:55:41,436 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:55:41,491 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:55:41,491 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 19:55:41,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1049465979] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:55:41,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 19:55:41,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2024-10-24 19:55:41,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123240104] [2024-10-24 19:55:41,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:55:41,492 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 19:55:41,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:55:41,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 19:55:41,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-24 19:55:41,493 INFO L87 Difference]: Start difference. First operand 67 states and 87 transitions. Second operand has 6 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:55:41,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:55:41,539 INFO L93 Difference]: Finished difference Result 67 states and 87 transitions. [2024-10-24 19:55:41,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 19:55:41,541 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2024-10-24 19:55:41,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:55:41,541 INFO L225 Difference]: With dead ends: 67 [2024-10-24 19:55:41,541 INFO L226 Difference]: Without dead ends: 66 [2024-10-24 19:55:41,542 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-24 19:55:41,542 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 17 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 19:55:41,542 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 58 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 19:55:41,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2024-10-24 19:55:41,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2024-10-24 19:55:41,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 58 states have (on average 1.4482758620689655) internal successors, (84), 65 states have internal predecessors, (84), 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) [2024-10-24 19:55:41,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 84 transitions. [2024-10-24 19:55:41,549 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 84 transitions. Word has length 18 [2024-10-24 19:55:41,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:55:41,550 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 84 transitions. [2024-10-24 19:55:41,550 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:55:41,550 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 84 transitions. [2024-10-24 19:55:41,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-10-24 19:55:41,550 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:55:41,550 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:55:41,567 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-24 19:55:41,751 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,SelfDestructingSolverStorable10 [2024-10-24 19:55:41,751 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-24 19:55:41,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:55:41,752 INFO L85 PathProgramCache]: Analyzing trace with hash 521825534, now seen corresponding path program 1 times [2024-10-24 19:55:41,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:55:41,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145724734] [2024-10-24 19:55:41,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:55:41,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:55:41,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:55:41,807 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:55:41,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:55:41,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145724734] [2024-10-24 19:55:41,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [145724734] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:55:41,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [105696504] [2024-10-24 19:55:41,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:55:41,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:55:41,808 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:55:41,809 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 19:55:41,811 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-24 19:55:41,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:55:41,853 INFO L255 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-24 19:55:41,854 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:55:41,893 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:55:41,894 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 19:55:41,954 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:55:41,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [105696504] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 19:55:41,954 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 19:55:41,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2024-10-24 19:55:41,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738338848] [2024-10-24 19:55:41,955 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 19:55:41,955 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-24 19:55:41,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:55:41,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-24 19:55:41,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-24 19:55:41,956 INFO L87 Difference]: Start difference. First operand 66 states and 84 transitions. Second operand has 12 states, 11 states have (on average 4.181818181818182) internal successors, (46), 11 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) [2024-10-24 19:55:42,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:55:42,009 INFO L93 Difference]: Finished difference Result 77 states and 87 transitions. [2024-10-24 19:55:42,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-24 19:55:42,011 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.181818181818182) internal successors, (46), 11 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 19 [2024-10-24 19:55:42,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:55:42,012 INFO L225 Difference]: With dead ends: 77 [2024-10-24 19:55:42,012 INFO L226 Difference]: Without dead ends: 76 [2024-10-24 19:55:42,012 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-24 19:55:42,012 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 32 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 19:55:42,013 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 120 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 19:55:42,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2024-10-24 19:55:42,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 68. [2024-10-24 19:55:42,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 60 states have (on average 1.4) internal successors, (84), 67 states have internal predecessors, (84), 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) [2024-10-24 19:55:42,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 84 transitions. [2024-10-24 19:55:42,024 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 84 transitions. Word has length 19 [2024-10-24 19:55:42,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:55:42,026 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 84 transitions. [2024-10-24 19:55:42,026 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.181818181818182) internal successors, (46), 11 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) [2024-10-24 19:55:42,026 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 84 transitions. [2024-10-24 19:55:42,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-10-24 19:55:42,027 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:55:42,027 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:55:42,043 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-24 19:55:42,230 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:55:42,231 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)] === [2024-10-24 19:55:42,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:55:42,231 INFO L85 PathProgramCache]: Analyzing trace with hash -1003277573, now seen corresponding path program 1 times [2024-10-24 19:55:42,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:55:42,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646782686] [2024-10-24 19:55:42,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:55:42,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:55:42,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:55:42,333 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:55:42,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:55:42,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646782686] [2024-10-24 19:55:42,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646782686] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:55:42,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2065290561] [2024-10-24 19:55:42,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:55:42,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:55:42,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:55:42,336 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 19:55:42,338 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-24 19:55:42,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:55:42,383 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-24 19:55:42,384 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:55:42,530 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:55:42,530 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 19:55:42,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2065290561] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:55:42,531 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 19:55:42,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 13 [2024-10-24 19:55:42,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760982316] [2024-10-24 19:55:42,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:55:42,532 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 19:55:42,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:55:42,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 19:55:42,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2024-10-24 19:55:42,533 INFO L87 Difference]: Start difference. First operand 68 states and 84 transitions. Second operand has 9 states, 8 states have (on average 2.5) internal successors, (20), 8 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) [2024-10-24 19:55:42,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:55:42,589 INFO L93 Difference]: Finished difference Result 68 states and 84 transitions. [2024-10-24 19:55:42,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-24 19:55:42,590 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.5) internal successors, (20), 8 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 20 [2024-10-24 19:55:42,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:55:42,591 INFO L225 Difference]: With dead ends: 68 [2024-10-24 19:55:42,591 INFO L226 Difference]: Without dead ends: 67 [2024-10-24 19:55:42,591 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=177, Unknown=0, NotChecked=0, Total=240 [2024-10-24 19:55:42,592 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 28 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 19:55:42,592 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 88 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 19:55:42,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2024-10-24 19:55:42,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2024-10-24 19:55:42,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 60 states have (on average 1.35) internal successors, (81), 66 states have internal predecessors, (81), 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) [2024-10-24 19:55:42,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 81 transitions. [2024-10-24 19:55:42,600 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 81 transitions. Word has length 20 [2024-10-24 19:55:42,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:55:42,600 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 81 transitions. [2024-10-24 19:55:42,602 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.5) internal successors, (20), 8 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) [2024-10-24 19:55:42,602 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 81 transitions. [2024-10-24 19:55:42,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-10-24 19:55:42,603 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:55:42,603 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:55:42,617 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-24 19:55:42,803 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:55:42,804 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)] === [2024-10-24 19:55:42,804 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:55:42,804 INFO L85 PathProgramCache]: Analyzing trace with hash -1036833632, now seen corresponding path program 1 times [2024-10-24 19:55:42,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:55:42,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849013689] [2024-10-24 19:55:42,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:55:42,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:55:42,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:55:42,895 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:55:42,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:55:42,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849013689] [2024-10-24 19:55:42,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849013689] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:55:42,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1836419278] [2024-10-24 19:55:42,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:55:42,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:55:42,895 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:55:42,897 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 19:55:42,898 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-24 19:55:42,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:55:42,941 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-24 19:55:42,942 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:55:43,087 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:55:43,088 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 19:55:43,217 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:55:43,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1836419278] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 19:55:43,217 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 19:55:43,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 20 [2024-10-24 19:55:43,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55207266] [2024-10-24 19:55:43,218 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 19:55:43,218 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-10-24 19:55:43,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:55:43,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-10-24 19:55:43,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=363, Unknown=0, NotChecked=0, Total=462 [2024-10-24 19:55:43,219 INFO L87 Difference]: Start difference. First operand 67 states and 81 transitions. Second operand has 22 states, 21 states have (on average 2.9523809523809526) internal successors, (62), 21 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:55:43,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:55:43,356 INFO L93 Difference]: Finished difference Result 78 states and 84 transitions. [2024-10-24 19:55:43,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-24 19:55:43,357 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 2.9523809523809526) internal successors, (62), 21 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2024-10-24 19:55:43,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:55:43,358 INFO L225 Difference]: With dead ends: 78 [2024-10-24 19:55:43,358 INFO L226 Difference]: Without dead ends: 77 [2024-10-24 19:55:43,358 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=131, Invalid=519, Unknown=0, NotChecked=0, Total=650 [2024-10-24 19:55:43,359 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 65 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 19:55:43,359 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 217 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 19:55:43,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2024-10-24 19:55:43,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 69. [2024-10-24 19:55:43,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 62 states have (on average 1.3064516129032258) internal successors, (81), 68 states have internal predecessors, (81), 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) [2024-10-24 19:55:43,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 81 transitions. [2024-10-24 19:55:43,366 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 81 transitions. Word has length 21 [2024-10-24 19:55:43,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:55:43,370 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 81 transitions. [2024-10-24 19:55:43,371 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 2.9523809523809526) internal successors, (62), 21 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:55:43,371 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 81 transitions. [2024-10-24 19:55:43,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-10-24 19:55:43,371 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:55:43,371 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-10-24 19:55:43,395 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-24 19:55:43,573 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,SelfDestructingSolverStorable13 [2024-10-24 19:55:43,574 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)] === [2024-10-24 19:55:43,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:55:43,574 INFO L85 PathProgramCache]: Analyzing trace with hash -2077071459, now seen corresponding path program 1 times [2024-10-24 19:55:43,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:55:43,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273880378] [2024-10-24 19:55:43,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:55:43,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:55:43,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:55:43,673 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:55:43,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:55:43,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273880378] [2024-10-24 19:55:43,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1273880378] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:55:43,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [353084745] [2024-10-24 19:55:43,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:55:43,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:55:43,674 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:55:43,676 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 19:55:43,678 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-24 19:55:43,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:55:43,723 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-24 19:55:43,724 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:55:43,874 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:55:43,874 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 19:55:43,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [353084745] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:55:43,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 19:55:43,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 14 [2024-10-24 19:55:43,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561091026] [2024-10-24 19:55:43,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:55:43,875 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 19:55:43,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:55:43,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 19:55:43,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2024-10-24 19:55:43,876 INFO L87 Difference]: Start difference. First operand 69 states and 81 transitions. Second operand has 9 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 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) [2024-10-24 19:55:43,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:55:43,942 INFO L93 Difference]: Finished difference Result 69 states and 81 transitions. [2024-10-24 19:55:43,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-24 19:55:43,942 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 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 22 [2024-10-24 19:55:43,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:55:43,943 INFO L225 Difference]: With dead ends: 69 [2024-10-24 19:55:43,943 INFO L226 Difference]: Without dead ends: 67 [2024-10-24 19:55:43,943 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2024-10-24 19:55:43,944 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 17 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 19:55:43,944 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 57 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 19:55:43,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2024-10-24 19:55:43,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2024-10-24 19:55:43,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 62 states have (on average 1.2096774193548387) internal successors, (75), 66 states have internal predecessors, (75), 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) [2024-10-24 19:55:43,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 75 transitions. [2024-10-24 19:55:43,955 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 75 transitions. Word has length 22 [2024-10-24 19:55:43,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:55:43,955 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 75 transitions. [2024-10-24 19:55:43,955 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 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) [2024-10-24 19:55:43,955 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 75 transitions. [2024-10-24 19:55:43,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-10-24 19:55:43,955 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:55:43,956 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-10-24 19:55:43,975 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-24 19:55:44,156 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-10-24 19:55:44,156 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-24 19:55:44,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:55:44,157 INFO L85 PathProgramCache]: Analyzing trace with hash 35294274, now seen corresponding path program 1 times [2024-10-24 19:55:44,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:55:44,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587277769] [2024-10-24 19:55:44,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:55:44,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:55:44,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:55:44,273 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:55:44,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:55:44,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587277769] [2024-10-24 19:55:44,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587277769] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:55:44,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [457559334] [2024-10-24 19:55:44,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:55:44,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:55:44,274 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:55:44,276 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 19:55:44,278 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-24 19:55:44,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:55:44,320 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-24 19:55:44,321 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:55:44,453 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:55:44,453 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 19:55:44,566 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:55:44,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [457559334] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 19:55:44,566 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 19:55:44,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 21 [2024-10-24 19:55:44,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858931689] [2024-10-24 19:55:44,567 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 19:55:44,567 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-10-24 19:55:44,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:55:44,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-10-24 19:55:44,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=390, Unknown=0, NotChecked=0, Total=506 [2024-10-24 19:55:44,568 INFO L87 Difference]: Start difference. First operand 67 states and 75 transitions. Second operand has 23 states, 22 states have (on average 3.1363636363636362) internal successors, (69), 22 states have internal predecessors, (69), 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) [2024-10-24 19:55:44,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:55:44,769 INFO L93 Difference]: Finished difference Result 123 states and 137 transitions. [2024-10-24 19:55:44,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-24 19:55:44,770 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 3.1363636363636362) internal successors, (69), 22 states have internal predecessors, (69), 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 23 [2024-10-24 19:55:44,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:55:44,770 INFO L225 Difference]: With dead ends: 123 [2024-10-24 19:55:44,771 INFO L226 Difference]: Without dead ends: 122 [2024-10-24 19:55:44,771 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=199, Invalid=671, Unknown=0, NotChecked=0, Total=870 [2024-10-24 19:55:44,772 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 44 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 19:55:44,772 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 150 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 19:55:44,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-10-24 19:55:44,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 111. [2024-10-24 19:55:44,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 106 states have (on average 1.1415094339622642) internal successors, (121), 110 states have internal predecessors, (121), 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) [2024-10-24 19:55:44,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 121 transitions. [2024-10-24 19:55:44,783 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 121 transitions. Word has length 23 [2024-10-24 19:55:44,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:55:44,783 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 121 transitions. [2024-10-24 19:55:44,783 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 3.1363636363636362) internal successors, (69), 22 states have internal predecessors, (69), 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) [2024-10-24 19:55:44,783 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 121 transitions. [2024-10-24 19:55:44,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-10-24 19:55:44,784 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:55:44,784 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-10-24 19:55:44,801 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-24 19:55:44,984 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:55:44,985 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-24 19:55:44,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:55:44,985 INFO L85 PathProgramCache]: Analyzing trace with hash -815205182, now seen corresponding path program 1 times [2024-10-24 19:55:44,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:55:44,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388494960] [2024-10-24 19:55:44,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:55:44,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:55:44,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:55:45,033 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:55:45,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:55:45,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388494960] [2024-10-24 19:55:45,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [388494960] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:55:45,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:55:45,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 19:55:45,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106174796] [2024-10-24 19:55:45,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:55:45,034 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 19:55:45,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:55:45,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 19:55:45,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 19:55:45,035 INFO L87 Difference]: Start difference. First operand 111 states and 121 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) 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) [2024-10-24 19:55:45,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:55:45,056 INFO L93 Difference]: Finished difference Result 174 states and 189 transitions. [2024-10-24 19:55:45,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 19:55:45,057 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) 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 26 [2024-10-24 19:55:45,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:55:45,058 INFO L225 Difference]: With dead ends: 174 [2024-10-24 19:55:45,058 INFO L226 Difference]: Without dead ends: 133 [2024-10-24 19:55:45,058 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 [2024-10-24 19:55:45,058 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 4 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 19:55:45,059 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 49 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 19:55:45,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2024-10-24 19:55:45,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 129. [2024-10-24 19:55:45,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 124 states have (on average 1.1290322580645162) internal successors, (140), 128 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:55:45,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 140 transitions. [2024-10-24 19:55:45,069 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 140 transitions. Word has length 26 [2024-10-24 19:55:45,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:55:45,069 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 140 transitions. [2024-10-24 19:55:45,069 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) 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) [2024-10-24 19:55:45,069 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 140 transitions. [2024-10-24 19:55:45,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-10-24 19:55:45,070 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:55:45,070 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2024-10-24 19:55:45,070 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-24 19:55:45,070 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)] === [2024-10-24 19:55:45,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:55:45,071 INFO L85 PathProgramCache]: Analyzing trace with hash 644459910, now seen corresponding path program 1 times [2024-10-24 19:55:45,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:55:45,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315383020] [2024-10-24 19:55:45,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:55:45,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:55:45,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:55:45,220 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:55:45,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:55:45,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315383020] [2024-10-24 19:55:45,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315383020] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:55:45,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [437256] [2024-10-24 19:55:45,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:55:45,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:55:45,221 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:55:45,223 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 19:55:45,224 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-24 19:55:45,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:55:45,270 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-24 19:55:45,271 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:55:45,429 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:55:45,430 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 19:55:45,579 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:55:45,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [437256] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 19:55:45,580 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 19:55:45,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 26 [2024-10-24 19:55:45,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203214161] [2024-10-24 19:55:45,580 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 19:55:45,580 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-10-24 19:55:45,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:55:45,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-10-24 19:55:45,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=174, Invalid=582, Unknown=0, NotChecked=0, Total=756 [2024-10-24 19:55:45,582 INFO L87 Difference]: Start difference. First operand 129 states and 140 transitions. Second operand has 28 states, 27 states have (on average 3.0) internal successors, (81), 27 states have internal predecessors, (81), 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) [2024-10-24 19:55:45,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:55:45,822 INFO L93 Difference]: Finished difference Result 155 states and 166 transitions. [2024-10-24 19:55:45,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-24 19:55:45,823 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 3.0) internal successors, (81), 27 states have internal predecessors, (81), 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 28 [2024-10-24 19:55:45,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:55:45,824 INFO L225 Difference]: With dead ends: 155 [2024-10-24 19:55:45,824 INFO L226 Difference]: Without dead ends: 153 [2024-10-24 19:55:45,825 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 408 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=290, Invalid=970, Unknown=0, NotChecked=0, Total=1260 [2024-10-24 19:55:45,825 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 89 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 19:55:45,825 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 202 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 19:55:45,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2024-10-24 19:55:45,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 118. [2024-10-24 19:55:45,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 113 states have (on average 1.1150442477876106) internal successors, (126), 117 states have internal predecessors, (126), 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) [2024-10-24 19:55:45,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 126 transitions. [2024-10-24 19:55:45,835 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 126 transitions. Word has length 28 [2024-10-24 19:55:45,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:55:45,836 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 126 transitions. [2024-10-24 19:55:45,836 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 3.0) internal successors, (81), 27 states have internal predecessors, (81), 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) [2024-10-24 19:55:45,836 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 126 transitions. [2024-10-24 19:55:45,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-10-24 19:55:45,839 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:55:45,839 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 1, 1, 1, 1] [2024-10-24 19:55:45,858 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-24 19:55:46,040 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,SelfDestructingSolverStorable17 [2024-10-24 19:55:46,040 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-24 19:55:46,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:55:46,041 INFO L85 PathProgramCache]: Analyzing trace with hash -156051870, now seen corresponding path program 1 times [2024-10-24 19:55:46,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:55:46,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89756640] [2024-10-24 19:55:46,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:55:46,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:55:46,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:55:46,077 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-10-24 19:55:46,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:55:46,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89756640] [2024-10-24 19:55:46,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89756640] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:55:46,078 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:55:46,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 19:55:46,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635003911] [2024-10-24 19:55:46,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:55:46,078 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 19:55:46,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:55:46,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 19:55:46,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 19:55:46,079 INFO L87 Difference]: Start difference. First operand 118 states and 126 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:55:46,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:55:46,087 INFO L93 Difference]: Finished difference Result 158 states and 162 transitions. [2024-10-24 19:55:46,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 19:55:46,088 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2024-10-24 19:55:46,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:55:46,089 INFO L225 Difference]: With dead ends: 158 [2024-10-24 19:55:46,089 INFO L226 Difference]: Without dead ends: 114 [2024-10-24 19:55:46,089 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 [2024-10-24 19:55:46,090 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 5 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 19:55:46,090 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 48 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 19:55:46,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-10-24 19:55:46,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 110. [2024-10-24 19:55:46,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 105 states have (on average 1.0952380952380953) internal successors, (115), 109 states have internal predecessors, (115), 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) [2024-10-24 19:55:46,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 115 transitions. [2024-10-24 19:55:46,096 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 115 transitions. Word has length 49 [2024-10-24 19:55:46,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:55:46,096 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 115 transitions. [2024-10-24 19:55:46,096 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:55:46,097 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 115 transitions. [2024-10-24 19:55:46,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-10-24 19:55:46,097 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:55:46,097 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1] [2024-10-24 19:55:46,098 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-24 19:55:46,098 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-24 19:55:46,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:55:46,098 INFO L85 PathProgramCache]: Analyzing trace with hash -178479091, now seen corresponding path program 2 times [2024-10-24 19:55:46,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:55:46,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388288733] [2024-10-24 19:55:46,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:55:46,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:55:46,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:55:46,232 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 82 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:55:46,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:55:46,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388288733] [2024-10-24 19:55:46,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1388288733] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:55:46,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1858866719] [2024-10-24 19:55:46,233 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-24 19:55:46,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:55:46,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:55:46,235 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 19:55:46,236 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-24 19:55:46,293 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-24 19:55:46,293 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 19:55:46,294 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-24 19:55:46,295 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:55:46,361 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 82 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:55:46,361 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 19:55:46,543 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 82 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:55:46,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1858866719] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 19:55:46,543 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 19:55:46,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 20 [2024-10-24 19:55:46,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870692553] [2024-10-24 19:55:46,544 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 19:55:46,544 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-10-24 19:55:46,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:55:46,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-10-24 19:55:46,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2024-10-24 19:55:46,545 INFO L87 Difference]: Start difference. First operand 110 states and 115 transitions. Second operand has 22 states, 21 states have (on average 4.761904761904762) internal successors, (100), 21 states have internal predecessors, (100), 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) [2024-10-24 19:55:46,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:55:46,633 INFO L93 Difference]: Finished difference Result 262 states and 298 transitions. [2024-10-24 19:55:46,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-24 19:55:46,634 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 4.761904761904762) internal successors, (100), 21 states have internal predecessors, (100), 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 50 [2024-10-24 19:55:46,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:55:46,636 INFO L225 Difference]: With dead ends: 262 [2024-10-24 19:55:46,636 INFO L226 Difference]: Without dead ends: 261 [2024-10-24 19:55:46,636 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2024-10-24 19:55:46,637 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 138 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 19:55:46,638 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 173 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 19:55:46,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2024-10-24 19:55:46,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 244. [2024-10-24 19:55:46,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 239 states have (on average 1.1966527196652719) internal successors, (286), 243 states have internal predecessors, (286), 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) [2024-10-24 19:55:46,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 286 transitions. [2024-10-24 19:55:46,652 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 286 transitions. Word has length 50 [2024-10-24 19:55:46,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:55:46,652 INFO L471 AbstractCegarLoop]: Abstraction has 244 states and 286 transitions. [2024-10-24 19:55:46,652 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 4.761904761904762) internal successors, (100), 21 states have internal predecessors, (100), 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) [2024-10-24 19:55:46,652 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 286 transitions. [2024-10-24 19:55:46,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-10-24 19:55:46,653 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:55:46,654 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 1, 1, 1] [2024-10-24 19:55:46,671 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-24 19:55:46,857 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:55:46,858 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-24 19:55:46,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:55:46,858 INFO L85 PathProgramCache]: Analyzing trace with hash 765226014, now seen corresponding path program 1 times [2024-10-24 19:55:46,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:55:46,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106699124] [2024-10-24 19:55:46,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:55:46,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:55:46,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:55:47,113 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:55:47,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:55:47,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106699124] [2024-10-24 19:55:47,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106699124] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:55:47,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [442701315] [2024-10-24 19:55:47,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:55:47,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:55:47,114 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:55:47,115 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 19:55:47,116 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-24 19:55:47,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:55:47,161 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-24 19:55:47,162 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:55:47,550 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:55:47,550 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 19:55:47,916 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:55:47,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [442701315] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 19:55:47,916 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 19:55:47,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 48 [2024-10-24 19:55:47,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494826086] [2024-10-24 19:55:47,917 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 19:55:47,917 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2024-10-24 19:55:47,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:55:47,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2024-10-24 19:55:47,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=463, Invalid=1987, Unknown=0, NotChecked=0, Total=2450 [2024-10-24 19:55:47,919 INFO L87 Difference]: Start difference. First operand 244 states and 286 transitions. Second operand has 50 states, 49 states have (on average 3.122448979591837) internal successors, (153), 49 states have internal predecessors, (153), 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) [2024-10-24 19:55:48,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:55:48,446 INFO L93 Difference]: Finished difference Result 250 states and 286 transitions. [2024-10-24 19:55:48,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-10-24 19:55:48,447 INFO L78 Accepts]: Start accepts. Automaton has has 50 states, 49 states have (on average 3.122448979591837) internal successors, (153), 49 states have internal predecessors, (153), 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 51 [2024-10-24 19:55:48,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:55:48,448 INFO L225 Difference]: With dead ends: 250 [2024-10-24 19:55:48,448 INFO L226 Difference]: Without dead ends: 249 [2024-10-24 19:55:48,450 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1516 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=733, Invalid=3173, Unknown=0, NotChecked=0, Total=3906 [2024-10-24 19:55:48,450 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 124 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 292 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 19:55:48,451 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 278 Invalid, 307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 292 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 19:55:48,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2024-10-24 19:55:48,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 244. [2024-10-24 19:55:48,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 239 states have (on average 1.1631799163179917) internal successors, (278), 243 states have internal predecessors, (278), 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) [2024-10-24 19:55:48,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 278 transitions. [2024-10-24 19:55:48,469 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 278 transitions. Word has length 51 [2024-10-24 19:55:48,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:55:48,469 INFO L471 AbstractCegarLoop]: Abstraction has 244 states and 278 transitions. [2024-10-24 19:55:48,469 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 49 states have (on average 3.122448979591837) internal successors, (153), 49 states have internal predecessors, (153), 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) [2024-10-24 19:55:48,469 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 278 transitions. [2024-10-24 19:55:48,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-10-24 19:55:48,470 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:55:48,470 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 1, 1, 1] [2024-10-24 19:55:48,487 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-10-24 19:55:48,671 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-10-24 19:55:48,671 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-24 19:55:48,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:55:48,672 INFO L85 PathProgramCache]: Analyzing trace with hash 280287087, now seen corresponding path program 2 times [2024-10-24 19:55:48,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:55:48,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170280396] [2024-10-24 19:55:48,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:55:48,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:55:48,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:55:48,827 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:55:48,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:55:48,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170280396] [2024-10-24 19:55:48,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [170280396] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:55:48,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [57174224] [2024-10-24 19:55:48,828 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-24 19:55:48,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:55:48,828 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:55:48,830 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 19:55:48,831 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-24 19:55:48,879 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-24 19:55:48,879 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 19:55:48,880 INFO L255 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-24 19:55:48,882 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:55:48,950 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:55:48,950 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 19:55:49,089 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:55:49,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [57174224] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 19:55:49,089 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 19:55:49,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 22 [2024-10-24 19:55:49,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106578007] [2024-10-24 19:55:49,090 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 19:55:49,090 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-10-24 19:55:49,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:55:49,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-10-24 19:55:49,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2024-10-24 19:55:49,091 INFO L87 Difference]: Start difference. First operand 244 states and 278 transitions. Second operand has 24 states, 23 states have (on average 4.869565217391305) internal successors, (112), 23 states have internal predecessors, (112), 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) [2024-10-24 19:55:49,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:55:49,168 INFO L93 Difference]: Finished difference Result 260 states and 284 transitions. [2024-10-24 19:55:49,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-24 19:55:49,169 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 4.869565217391305) internal successors, (112), 23 states have internal predecessors, (112), 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 52 [2024-10-24 19:55:49,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:55:49,170 INFO L225 Difference]: With dead ends: 260 [2024-10-24 19:55:49,170 INFO L226 Difference]: Without dead ends: 259 [2024-10-24 19:55:49,170 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2024-10-24 19:55:49,171 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 82 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 19:55:49,171 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 165 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 19:55:49,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2024-10-24 19:55:49,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 248. [2024-10-24 19:55:49,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 243 states have (on average 1.1193415637860082) internal successors, (272), 247 states have internal predecessors, (272), 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) [2024-10-24 19:55:49,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 272 transitions. [2024-10-24 19:55:49,180 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 272 transitions. Word has length 52 [2024-10-24 19:55:49,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:55:49,180 INFO L471 AbstractCegarLoop]: Abstraction has 248 states and 272 transitions. [2024-10-24 19:55:49,181 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 4.869565217391305) internal successors, (112), 23 states have internal predecessors, (112), 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) [2024-10-24 19:55:49,181 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 272 transitions. [2024-10-24 19:55:49,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-10-24 19:55:49,181 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:55:49,181 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 1, 1, 1] [2024-10-24 19:55:49,198 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-10-24 19:55:49,382 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-10-24 19:55:49,382 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-24 19:55:49,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:55:49,382 INFO L85 PathProgramCache]: Analyzing trace with hash -838158490, now seen corresponding path program 2 times [2024-10-24 19:55:49,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:55:49,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89458189] [2024-10-24 19:55:49,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:55:49,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:55:49,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:55:49,659 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:55:49,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:55:49,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89458189] [2024-10-24 19:55:49,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89458189] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:55:49,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [415138844] [2024-10-24 19:55:49,660 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-24 19:55:49,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:55:49,661 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:55:49,662 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 19:55:49,664 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-24 19:55:49,712 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-24 19:55:49,712 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 19:55:49,713 INFO L255 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-10-24 19:55:49,715 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:55:50,090 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:55:50,090 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 19:55:50,425 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:55:50,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [415138844] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 19:55:50,425 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 19:55:50,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 50 [2024-10-24 19:55:50,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519174989] [2024-10-24 19:55:50,425 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 19:55:50,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2024-10-24 19:55:50,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:55:50,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2024-10-24 19:55:50,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=502, Invalid=2150, Unknown=0, NotChecked=0, Total=2652 [2024-10-24 19:55:50,427 INFO L87 Difference]: Start difference. First operand 248 states and 272 transitions. Second operand has 52 states, 51 states have (on average 3.1176470588235294) internal successors, (159), 51 states have internal predecessors, (159), 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) [2024-10-24 19:55:50,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:55:50,945 INFO L93 Difference]: Finished difference Result 256 states and 272 transitions. [2024-10-24 19:55:50,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-10-24 19:55:50,945 INFO L78 Accepts]: Start accepts. Automaton has has 52 states, 51 states have (on average 3.1176470588235294) internal successors, (159), 51 states have internal predecessors, (159), 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 54 [2024-10-24 19:55:50,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:55:50,947 INFO L225 Difference]: With dead ends: 256 [2024-10-24 19:55:50,947 INFO L226 Difference]: Without dead ends: 255 [2024-10-24 19:55:50,948 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1750 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=891, Invalid=3801, Unknown=0, NotChecked=0, Total=4692 [2024-10-24 19:55:50,948 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 238 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 259 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 19:55:50,949 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 279 Invalid, 278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 259 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 19:55:50,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2024-10-24 19:55:50,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 248. [2024-10-24 19:55:50,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 243 states have (on average 1.102880658436214) internal successors, (268), 247 states have internal predecessors, (268), 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) [2024-10-24 19:55:50,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 268 transitions. [2024-10-24 19:55:50,958 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 268 transitions. Word has length 54 [2024-10-24 19:55:50,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:55:50,958 INFO L471 AbstractCegarLoop]: Abstraction has 248 states and 268 transitions. [2024-10-24 19:55:50,959 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 51 states have (on average 3.1176470588235294) internal successors, (159), 51 states have internal predecessors, (159), 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) [2024-10-24 19:55:50,959 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 268 transitions. [2024-10-24 19:55:50,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-10-24 19:55:50,959 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:55:50,959 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 1, 1, 1] [2024-10-24 19:55:50,972 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-10-24 19:55:51,163 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-10-24 19:55:51,163 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-24 19:55:51,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:55:51,164 INFO L85 PathProgramCache]: Analyzing trace with hash -1227047215, now seen corresponding path program 2 times [2024-10-24 19:55:51,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:55:51,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22451144] [2024-10-24 19:55:51,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:55:51,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:55:51,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:55:51,441 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:55:51,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:55:51,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22451144] [2024-10-24 19:55:51,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22451144] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:55:51,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [473032772] [2024-10-24 19:55:51,442 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-24 19:55:51,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:55:51,442 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:55:51,444 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 19:55:51,445 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-24 19:55:51,491 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-24 19:55:51,491 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 19:55:51,492 INFO L255 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-24 19:55:51,493 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:55:51,809 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:55:51,809 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 19:55:52,141 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:55:52,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [473032772] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 19:55:52,142 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 19:55:52,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 47 [2024-10-24 19:55:52,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769069944] [2024-10-24 19:55:52,142 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 19:55:52,142 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2024-10-24 19:55:52,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:55:52,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2024-10-24 19:55:52,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=378, Invalid=1974, Unknown=0, NotChecked=0, Total=2352 [2024-10-24 19:55:52,144 INFO L87 Difference]: Start difference. First operand 248 states and 268 transitions. Second operand has 49 states, 48 states have (on average 3.3541666666666665) internal successors, (161), 48 states have internal predecessors, (161), 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) [2024-10-24 19:55:52,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:55:52,551 INFO L93 Difference]: Finished difference Result 257 states and 274 transitions. [2024-10-24 19:55:52,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-10-24 19:55:52,552 INFO L78 Accepts]: Start accepts. Automaton has has 49 states, 48 states have (on average 3.3541666666666665) internal successors, (161), 48 states have internal predecessors, (161), 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 54 [2024-10-24 19:55:52,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:55:52,553 INFO L225 Difference]: With dead ends: 257 [2024-10-24 19:55:52,553 INFO L226 Difference]: Without dead ends: 256 [2024-10-24 19:55:52,554 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1206 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=595, Invalid=3187, Unknown=0, NotChecked=0, Total=3782 [2024-10-24 19:55:52,555 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 154 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 218 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 19:55:52,555 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 364 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 218 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 19:55:52,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2024-10-24 19:55:52,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 252. [2024-10-24 19:55:52,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 247 states have (on average 1.0607287449392713) internal successors, (262), 251 states have internal predecessors, (262), 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) [2024-10-24 19:55:52,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 262 transitions. [2024-10-24 19:55:52,565 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 262 transitions. Word has length 54 [2024-10-24 19:55:52,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:55:52,565 INFO L471 AbstractCegarLoop]: Abstraction has 252 states and 262 transitions. [2024-10-24 19:55:52,566 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 48 states have (on average 3.3541666666666665) internal successors, (161), 48 states have internal predecessors, (161), 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) [2024-10-24 19:55:52,566 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 262 transitions. [2024-10-24 19:55:52,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-10-24 19:55:52,566 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:55:52,567 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 1, 1, 1] [2024-10-24 19:55:52,584 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-10-24 19:55:52,767 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-10-24 19:55:52,767 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-24 19:55:52,768 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:55:52,768 INFO L85 PathProgramCache]: Analyzing trace with hash 1541312371, now seen corresponding path program 2 times [2024-10-24 19:55:52,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:55:52,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263723610] [2024-10-24 19:55:52,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:55:52,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:55:52,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:55:53,367 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 0 proven. 388 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:55:53,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:55:53,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263723610] [2024-10-24 19:55:53,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [263723610] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:55:53,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [937164242] [2024-10-24 19:55:53,368 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-24 19:55:53,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:55:53,368 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:55:53,369 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 19:55:53,370 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-24 19:55:53,426 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-24 19:55:53,427 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 19:55:53,427 INFO L255 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-10-24 19:55:53,429 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:55:54,148 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 0 proven. 388 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:55:54,148 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 19:55:54,997 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 0 proven. 388 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:55:54,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [937164242] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 19:55:54,997 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 19:55:54,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28, 28] total 84 [2024-10-24 19:55:54,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255045853] [2024-10-24 19:55:54,998 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 19:55:54,998 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 86 states [2024-10-24 19:55:54,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:55:55,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2024-10-24 19:55:55,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1096, Invalid=6214, Unknown=0, NotChecked=0, Total=7310 [2024-10-24 19:55:55,003 INFO L87 Difference]: Start difference. First operand 252 states and 262 transitions. Second operand has 86 states, 85 states have (on average 3.5294117647058822) internal successors, (300), 85 states have internal predecessors, (300), 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) [2024-10-24 19:55:56,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:55:56,579 INFO L93 Difference]: Finished difference Result 360 states and 385 transitions. [2024-10-24 19:55:56,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-10-24 19:55:56,580 INFO L78 Accepts]: Start accepts. Automaton has has 86 states, 85 states have (on average 3.5294117647058822) internal successors, (300), 85 states have internal predecessors, (300), 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 100 [2024-10-24 19:55:56,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:55:56,581 INFO L225 Difference]: With dead ends: 360 [2024-10-24 19:55:56,581 INFO L226 Difference]: Without dead ends: 359 [2024-10-24 19:55:56,584 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5393 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=2375, Invalid=11905, Unknown=0, NotChecked=0, Total=14280 [2024-10-24 19:55:56,584 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 267 mSDsluCounter, 626 mSDsCounter, 0 mSdLazyCounter, 623 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 267 SdHoareTripleChecker+Valid, 636 SdHoareTripleChecker+Invalid, 702 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 623 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 19:55:56,585 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [267 Valid, 636 Invalid, 702 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 623 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 19:55:56,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2024-10-24 19:55:56,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 342. [2024-10-24 19:55:56,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 337 states have (on average 1.1068249258160237) internal successors, (373), 341 states have internal predecessors, (373), 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) [2024-10-24 19:55:56,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 373 transitions. [2024-10-24 19:55:56,599 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 373 transitions. Word has length 100 [2024-10-24 19:55:56,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:55:56,599 INFO L471 AbstractCegarLoop]: Abstraction has 342 states and 373 transitions. [2024-10-24 19:55:56,599 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 86 states, 85 states have (on average 3.5294117647058822) internal successors, (300), 85 states have internal predecessors, (300), 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) [2024-10-24 19:55:56,599 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 373 transitions. [2024-10-24 19:55:56,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-10-24 19:55:56,600 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:55:56,600 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 1, 1, 1] [2024-10-24 19:55:56,616 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-10-24 19:55:56,801 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:55:56,801 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-24 19:55:56,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:55:56,802 INFO L85 PathProgramCache]: Analyzing trace with hash -1414855898, now seen corresponding path program 3 times [2024-10-24 19:55:56,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:55:56,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721893376] [2024-10-24 19:55:56,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:55:56,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:55:56,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:55:57,586 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 364 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:55:57,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:55:57,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721893376] [2024-10-24 19:55:57,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1721893376] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:55:57,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [860428098] [2024-10-24 19:55:57,587 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-24 19:55:57,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:55:57,587 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:55:57,589 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 19:55:57,591 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-10-24 19:55:57,669 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-10-24 19:55:57,669 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 19:55:57,673 INFO L255 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-10-24 19:55:57,675 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:55:58,531 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 364 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:55:58,531 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 19:55:59,460 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 364 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:55:59,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [860428098] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 19:55:59,460 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 19:55:59,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 98 [2024-10-24 19:55:59,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62007046] [2024-10-24 19:55:59,460 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 19:55:59,461 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 100 states [2024-10-24 19:55:59,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:55:59,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 100 interpolants. [2024-10-24 19:55:59,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1614, Invalid=8286, Unknown=0, NotChecked=0, Total=9900 [2024-10-24 19:55:59,465 INFO L87 Difference]: Start difference. First operand 342 states and 373 transitions. Second operand has 100 states, 99 states have (on average 3.1818181818181817) internal successors, (315), 99 states have internal predecessors, (315), 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) [2024-10-24 19:56:01,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:56:01,482 INFO L93 Difference]: Finished difference Result 440 states and 470 transitions. [2024-10-24 19:56:01,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-10-24 19:56:01,483 INFO L78 Accepts]: Start accepts. Automaton has has 100 states, 99 states have (on average 3.1818181818181817) internal successors, (315), 99 states have internal predecessors, (315), 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 106 [2024-10-24 19:56:01,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:56:01,484 INFO L225 Difference]: With dead ends: 440 [2024-10-24 19:56:01,484 INFO L226 Difference]: Without dead ends: 438 [2024-10-24 19:56:01,489 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 284 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 139 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7788 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=3263, Invalid=16477, Unknown=0, NotChecked=0, Total=19740 [2024-10-24 19:56:01,489 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 587 mSDsluCounter, 592 mSDsCounter, 0 mSdLazyCounter, 592 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 587 SdHoareTripleChecker+Valid, 604 SdHoareTripleChecker+Invalid, 669 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 592 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 19:56:01,489 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [587 Valid, 604 Invalid, 669 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 592 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 19:56:01,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2024-10-24 19:56:01,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 412. [2024-10-24 19:56:01,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 412 states, 407 states have (on average 1.1203931203931203) internal successors, (456), 411 states have internal predecessors, (456), 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) [2024-10-24 19:56:01,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 456 transitions. [2024-10-24 19:56:01,503 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 456 transitions. Word has length 106 [2024-10-24 19:56:01,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:56:01,504 INFO L471 AbstractCegarLoop]: Abstraction has 412 states and 456 transitions. [2024-10-24 19:56:01,504 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 100 states, 99 states have (on average 3.1818181818181817) internal successors, (315), 99 states have internal predecessors, (315), 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) [2024-10-24 19:56:01,504 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 456 transitions. [2024-10-24 19:56:01,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-10-24 19:56:01,505 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:56:01,505 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1] [2024-10-24 19:56:01,521 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-10-24 19:56:01,709 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-10-24 19:56:01,710 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-24 19:56:01,710 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:56:01,710 INFO L85 PathProgramCache]: Analyzing trace with hash 588220909, now seen corresponding path program 3 times [2024-10-24 19:56:01,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:56:01,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991089454] [2024-10-24 19:56:01,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:56:01,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:56:01,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:56:02,137 INFO L134 CoverageAnalysis]: Checked inductivity of 535 backedges. 0 proven. 535 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:56:02,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:56:02,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991089454] [2024-10-24 19:56:02,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1991089454] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:56:02,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [543354106] [2024-10-24 19:56:02,138 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-24 19:56:02,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:56:02,139 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:56:02,140 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 19:56:02,143 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-10-24 19:56:02,205 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-10-24 19:56:02,206 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 19:56:02,207 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-24 19:56:02,208 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:56:02,444 INFO L134 CoverageAnalysis]: Checked inductivity of 535 backedges. 271 proven. 57 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2024-10-24 19:56:02,444 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 19:56:02,812 INFO L134 CoverageAnalysis]: Checked inductivity of 535 backedges. 271 proven. 57 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2024-10-24 19:56:02,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [543354106] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 19:56:02,812 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 19:56:02,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 11, 11] total 43 [2024-10-24 19:56:02,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55003479] [2024-10-24 19:56:02,813 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 19:56:02,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2024-10-24 19:56:02,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:56:02,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2024-10-24 19:56:02,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=336, Invalid=1556, Unknown=0, NotChecked=0, Total=1892 [2024-10-24 19:56:02,815 INFO L87 Difference]: Start difference. First operand 412 states and 456 transitions. Second operand has 44 states, 43 states have (on average 4.953488372093023) internal successors, (213), 44 states have internal predecessors, (213), 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) [2024-10-24 19:56:03,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:56:03,967 INFO L93 Difference]: Finished difference Result 413 states and 456 transitions. [2024-10-24 19:56:03,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-10-24 19:56:03,967 INFO L78 Accepts]: Start accepts. Automaton has has 44 states, 43 states have (on average 4.953488372093023) internal successors, (213), 44 states have internal predecessors, (213), 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 116 [2024-10-24 19:56:03,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:56:03,969 INFO L225 Difference]: With dead ends: 413 [2024-10-24 19:56:03,969 INFO L226 Difference]: Without dead ends: 412 [2024-10-24 19:56:03,970 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 314 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1820 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=1685, Invalid=6871, Unknown=0, NotChecked=0, Total=8556 [2024-10-24 19:56:03,970 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 324 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 324 SdHoareTripleChecker+Valid, 213 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 19:56:03,971 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [324 Valid, 213 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 19:56:03,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2024-10-24 19:56:03,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 411. [2024-10-24 19:56:03,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 407 states have (on average 1.0835380835380835) internal successors, (441), 410 states have internal predecessors, (441), 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) [2024-10-24 19:56:03,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 441 transitions. [2024-10-24 19:56:03,988 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 441 transitions. Word has length 116 [2024-10-24 19:56:03,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:56:03,988 INFO L471 AbstractCegarLoop]: Abstraction has 411 states and 441 transitions. [2024-10-24 19:56:03,988 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 43 states have (on average 4.953488372093023) internal successors, (213), 44 states have internal predecessors, (213), 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) [2024-10-24 19:56:03,989 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 441 transitions. [2024-10-24 19:56:03,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-10-24 19:56:03,991 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:56:03,991 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 1, 1, 1] [2024-10-24 19:56:04,010 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-10-24 19:56:04,192 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-10-24 19:56:04,192 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-24 19:56:04,192 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:56:04,192 INFO L85 PathProgramCache]: Analyzing trace with hash -1655387825, now seen corresponding path program 3 times [2024-10-24 19:56:04,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:56:04,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811666622] [2024-10-24 19:56:04,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:56:04,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:56:04,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:56:04,622 INFO L134 CoverageAnalysis]: Checked inductivity of 555 backedges. 0 proven. 555 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:56:04,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:56:04,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811666622] [2024-10-24 19:56:04,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811666622] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:56:04,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [633834] [2024-10-24 19:56:04,623 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-24 19:56:04,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:56:04,624 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:56:04,625 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 19:56:04,627 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-10-24 19:56:04,690 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-10-24 19:56:04,691 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 19:56:04,692 INFO L255 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-24 19:56:04,693 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:56:04,934 INFO L134 CoverageAnalysis]: Checked inductivity of 555 backedges. 279 proven. 57 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2024-10-24 19:56:04,934 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 19:56:05,213 INFO L134 CoverageAnalysis]: Checked inductivity of 555 backedges. 279 proven. 57 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2024-10-24 19:56:05,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [633834] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 19:56:05,214 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 19:56:05,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 11, 11] total 43 [2024-10-24 19:56:05,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39652198] [2024-10-24 19:56:05,214 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 19:56:05,214 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2024-10-24 19:56:05,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:56:05,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2024-10-24 19:56:05,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=336, Invalid=1556, Unknown=0, NotChecked=0, Total=1892 [2024-10-24 19:56:05,216 INFO L87 Difference]: Start difference. First operand 411 states and 441 transitions. Second operand has 44 states, 43 states have (on average 5.0) internal successors, (215), 44 states have internal predecessors, (215), 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) [2024-10-24 19:56:06,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:56:06,360 INFO L93 Difference]: Finished difference Result 412 states and 441 transitions. [2024-10-24 19:56:06,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-10-24 19:56:06,361 INFO L78 Accepts]: Start accepts. Automaton has has 44 states, 43 states have (on average 5.0) internal successors, (215), 44 states have internal predecessors, (215), 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 118 [2024-10-24 19:56:06,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:56:06,362 INFO L225 Difference]: With dead ends: 412 [2024-10-24 19:56:06,362 INFO L226 Difference]: Without dead ends: 411 [2024-10-24 19:56:06,363 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 317 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1751 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=1648, Invalid=6724, Unknown=0, NotChecked=0, Total=8372 [2024-10-24 19:56:06,364 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 272 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 272 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 19:56:06,364 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [272 Valid, 154 Invalid, 276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 19:56:06,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2024-10-24 19:56:06,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 410. [2024-10-24 19:56:06,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 410 states, 407 states have (on average 1.0466830466830468) internal successors, (426), 409 states have internal predecessors, (426), 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) [2024-10-24 19:56:06,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 426 transitions. [2024-10-24 19:56:06,383 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 426 transitions. Word has length 118 [2024-10-24 19:56:06,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:56:06,384 INFO L471 AbstractCegarLoop]: Abstraction has 410 states and 426 transitions. [2024-10-24 19:56:06,384 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 43 states have (on average 5.0) internal successors, (215), 44 states have internal predecessors, (215), 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) [2024-10-24 19:56:06,384 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 426 transitions. [2024-10-24 19:56:06,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-10-24 19:56:06,385 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:56:06,385 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 1, 1, 1] [2024-10-24 19:56:06,401 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-10-24 19:56:06,589 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-10-24 19:56:06,590 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-24 19:56:06,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:56:06,590 INFO L85 PathProgramCache]: Analyzing trace with hash -1689798479, now seen corresponding path program 3 times [2024-10-24 19:56:06,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:56:06,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740106852] [2024-10-24 19:56:06,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:56:06,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:56:06,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:56:07,382 INFO L134 CoverageAnalysis]: Checked inductivity of 575 backedges. 0 proven. 575 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:56:07,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:56:07,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740106852] [2024-10-24 19:56:07,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740106852] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:56:07,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [388386539] [2024-10-24 19:56:07,383 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-24 19:56:07,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:56:07,383 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:56:07,384 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 19:56:07,385 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-10-24 19:56:07,458 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-10-24 19:56:07,459 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 19:56:07,460 INFO L255 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-10-24 19:56:07,462 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:56:08,629 INFO L134 CoverageAnalysis]: Checked inductivity of 575 backedges. 0 proven. 575 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:56:08,629 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 19:56:09,863 INFO L134 CoverageAnalysis]: Checked inductivity of 575 backedges. 0 proven. 575 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:56:09,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [388386539] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 19:56:09,864 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 19:56:09,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 34, 34] total 101 [2024-10-24 19:56:09,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202652698] [2024-10-24 19:56:09,864 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 19:56:09,865 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 103 states [2024-10-24 19:56:09,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:56:09,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 103 interpolants. [2024-10-24 19:56:09,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1449, Invalid=9057, Unknown=0, NotChecked=0, Total=10506 [2024-10-24 19:56:09,868 INFO L87 Difference]: Start difference. First operand 410 states and 426 transitions. Second operand has 103 states, 102 states have (on average 3.519607843137255) internal successors, (359), 102 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) [2024-10-24 19:56:11,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:56:11,709 INFO L93 Difference]: Finished difference Result 551 states and 580 transitions. [2024-10-24 19:56:11,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-10-24 19:56:11,710 INFO L78 Accepts]: Start accepts. Automaton has has 103 states, 102 states have (on average 3.519607843137255) internal successors, (359), 102 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) Word has length 120 [2024-10-24 19:56:11,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:56:11,711 INFO L225 Difference]: With dead ends: 551 [2024-10-24 19:56:11,712 INFO L226 Difference]: Without dead ends: 550 [2024-10-24 19:56:11,713 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 303 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 132 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6111 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=2548, Invalid=15274, Unknown=0, NotChecked=0, Total=17822 [2024-10-24 19:56:11,714 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 758 mSDsluCounter, 697 mSDsCounter, 0 mSdLazyCounter, 439 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 758 SdHoareTripleChecker+Valid, 710 SdHoareTripleChecker+Invalid, 474 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 19:56:11,714 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [758 Valid, 710 Invalid, 474 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 439 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 19:56:11,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2024-10-24 19:56:11,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 538. [2024-10-24 19:56:11,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 538 states, 535 states have (on average 1.0392523364485982) internal successors, (556), 537 states have internal predecessors, (556), 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) [2024-10-24 19:56:11,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 556 transitions. [2024-10-24 19:56:11,749 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 556 transitions. Word has length 120 [2024-10-24 19:56:11,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:56:11,749 INFO L471 AbstractCegarLoop]: Abstraction has 538 states and 556 transitions. [2024-10-24 19:56:11,750 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 103 states, 102 states have (on average 3.519607843137255) internal successors, (359), 102 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) [2024-10-24 19:56:11,750 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 556 transitions. [2024-10-24 19:56:11,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2024-10-24 19:56:11,751 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:56:11,752 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 1, 1, 1] [2024-10-24 19:56:11,765 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-10-24 19:56:11,952 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-10-24 19:56:11,952 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-24 19:56:11,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:56:11,953 INFO L85 PathProgramCache]: Analyzing trace with hash -1190956834, now seen corresponding path program 2 times [2024-10-24 19:56:11,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:56:11,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362988437] [2024-10-24 19:56:11,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:56:11,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:56:12,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:56:14,107 INFO L134 CoverageAnalysis]: Checked inductivity of 1515 backedges. 0 proven. 1515 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:56:14,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:56:14,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362988437] [2024-10-24 19:56:14,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362988437] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:56:14,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [620604173] [2024-10-24 19:56:14,108 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-24 19:56:14,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:56:14,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:56:14,109 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 19:56:14,110 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-10-24 19:56:14,199 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-24 19:56:14,199 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 19:56:14,201 INFO L255 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 65 conjuncts are in the unsatisfiable core [2024-10-24 19:56:14,204 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:56:16,889 INFO L134 CoverageAnalysis]: Checked inductivity of 1515 backedges. 0 proven. 1515 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:56:16,889 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 19:56:20,042 INFO L134 CoverageAnalysis]: Checked inductivity of 1515 backedges. 0 proven. 1515 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:56:20,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [620604173] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 19:56:20,042 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 19:56:20,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [64, 64, 64] total 192 [2024-10-24 19:56:20,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009170024] [2024-10-24 19:56:20,042 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 19:56:20,043 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 194 states [2024-10-24 19:56:20,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:56:20,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 194 interpolants. [2024-10-24 19:56:20,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5527, Invalid=31915, Unknown=0, NotChecked=0, Total=37442 [2024-10-24 19:56:20,048 INFO L87 Difference]: Start difference. First operand 538 states and 556 transitions. Second operand has 194 states, 193 states have (on average 3.2176165803108807) internal successors, (621), 193 states have internal predecessors, (621), 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) [2024-10-24 19:56:26,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:56:26,568 INFO L93 Difference]: Finished difference Result 781 states and 836 transitions. [2024-10-24 19:56:26,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2024-10-24 19:56:26,568 INFO L78 Accepts]: Start accepts. Automaton has has 194 states, 193 states have (on average 3.2176165803108807) internal successors, (621), 193 states have internal predecessors, (621), 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 207 [2024-10-24 19:56:26,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:56:26,571 INFO L225 Difference]: With dead ends: 781 [2024-10-24 19:56:26,571 INFO L226 Difference]: Without dead ends: 780 [2024-10-24 19:56:26,574 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 537 GetRequests, 284 SyntacticMatches, 0 SemanticMatches, 253 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27900 ImplicationChecksByTransitivity, 11.8s TimeCoverageRelationStatistics Valid=10228, Invalid=54542, Unknown=0, NotChecked=0, Total=64770 [2024-10-24 19:56:26,575 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 1447 mSDsluCounter, 897 mSDsCounter, 0 mSdLazyCounter, 941 mSolverCounterSat, 270 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1447 SdHoareTripleChecker+Valid, 906 SdHoareTripleChecker+Invalid, 1211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 270 IncrementalHoareTripleChecker+Valid, 941 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-24 19:56:26,575 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1447 Valid, 906 Invalid, 1211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [270 Valid, 941 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-24 19:56:26,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 780 states. [2024-10-24 19:56:26,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 780 to 769. [2024-10-24 19:56:26,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 769 states, 766 states have (on average 1.052219321148825) internal successors, (806), 768 states have internal predecessors, (806), 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) [2024-10-24 19:56:26,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 769 states to 769 states and 806 transitions. [2024-10-24 19:56:26,644 INFO L78 Accepts]: Start accepts. Automaton has 769 states and 806 transitions. Word has length 207 [2024-10-24 19:56:26,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:56:26,645 INFO L471 AbstractCegarLoop]: Abstraction has 769 states and 806 transitions. [2024-10-24 19:56:26,645 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 194 states, 193 states have (on average 3.2176165803108807) internal successors, (621), 193 states have internal predecessors, (621), 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) [2024-10-24 19:56:26,646 INFO L276 IsEmpty]: Start isEmpty. Operand 769 states and 806 transitions. [2024-10-24 19:56:26,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-10-24 19:56:26,648 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:56:26,648 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 1, 1, 1] [2024-10-24 19:56:26,665 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-10-24 19:56:26,852 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:56:26,853 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-24 19:56:26,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:56:26,853 INFO L85 PathProgramCache]: Analyzing trace with hash 929856166, now seen corresponding path program 4 times [2024-10-24 19:56:26,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:56:26,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496386598] [2024-10-24 19:56:26,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:56:26,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:56:26,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:56:29,219 INFO L134 CoverageAnalysis]: Checked inductivity of 1560 backedges. 0 proven. 1560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:56:29,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:56:29,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496386598] [2024-10-24 19:56:29,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [496386598] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:56:29,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1137710011] [2024-10-24 19:56:29,220 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-24 19:56:29,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:56:29,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:56:29,221 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 19:56:29,222 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-10-24 19:56:29,310 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-24 19:56:29,311 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 19:56:29,312 INFO L255 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 66 conjuncts are in the unsatisfiable core [2024-10-24 19:56:29,315 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:56:31,939 INFO L134 CoverageAnalysis]: Checked inductivity of 1560 backedges. 0 proven. 1560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:56:31,939 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 19:56:35,210 INFO L134 CoverageAnalysis]: Checked inductivity of 1560 backedges. 0 proven. 1560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:56:35,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1137710011] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 19:56:35,210 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 19:56:35,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [65, 65, 65] total 194 [2024-10-24 19:56:35,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340076296] [2024-10-24 19:56:35,211 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 19:56:35,211 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 196 states [2024-10-24 19:56:35,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:56:35,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 196 interpolants. [2024-10-24 19:56:35,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5662, Invalid=32558, Unknown=0, NotChecked=0, Total=38220 [2024-10-24 19:56:35,215 INFO L87 Difference]: Start difference. First operand 769 states and 806 transitions. Second operand has 196 states, 195 states have (on average 3.2153846153846155) internal successors, (627), 195 states have internal predecessors, (627), 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) [2024-10-24 19:56:44,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:56:44,468 INFO L93 Difference]: Finished difference Result 804 states and 823 transitions. [2024-10-24 19:56:44,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2024-10-24 19:56:44,468 INFO L78 Accepts]: Start accepts. Automaton has has 196 states, 195 states have (on average 3.2153846153846155) internal successors, (627), 195 states have internal predecessors, (627), 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 210 [2024-10-24 19:56:44,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:56:44,470 INFO L225 Difference]: With dead ends: 804 [2024-10-24 19:56:44,471 INFO L226 Difference]: Without dead ends: 803 [2024-10-24 19:56:44,475 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 572 GetRequests, 289 SyntacticMatches, 0 SemanticMatches, 283 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32709 ImplicationChecksByTransitivity, 14.9s TimeCoverageRelationStatistics Valid=12523, Invalid=68417, Unknown=0, NotChecked=0, Total=80940 [2024-10-24 19:56:44,475 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 2163 mSDsluCounter, 967 mSDsCounter, 0 mSdLazyCounter, 979 mSolverCounterSat, 341 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2163 SdHoareTripleChecker+Valid, 977 SdHoareTripleChecker+Invalid, 1320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 341 IncrementalHoareTripleChecker+Valid, 979 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-24 19:56:44,475 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2163 Valid, 977 Invalid, 1320 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [341 Valid, 979 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-24 19:56:44,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 803 states. [2024-10-24 19:56:44,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 803 to 772. [2024-10-24 19:56:44,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 772 states, 769 states have (on average 1.0325097529258778) internal successors, (794), 771 states have internal predecessors, (794), 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) [2024-10-24 19:56:44,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 772 states and 794 transitions. [2024-10-24 19:56:44,509 INFO L78 Accepts]: Start accepts. Automaton has 772 states and 794 transitions. Word has length 210 [2024-10-24 19:56:44,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:56:44,510 INFO L471 AbstractCegarLoop]: Abstraction has 772 states and 794 transitions. [2024-10-24 19:56:44,510 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 196 states, 195 states have (on average 3.2153846153846155) internal successors, (627), 195 states have internal predecessors, (627), 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) [2024-10-24 19:56:44,510 INFO L276 IsEmpty]: Start isEmpty. Operand 772 states and 794 transitions. [2024-10-24 19:56:44,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2024-10-24 19:56:44,513 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:56:44,513 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 23, 23, 23, 23, 22, 22, 22, 22, 1, 1, 1] [2024-10-24 19:56:44,530 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-10-24 19:56:44,713 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2024-10-24 19:56:44,714 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-24 19:56:44,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:56:44,714 INFO L85 PathProgramCache]: Analyzing trace with hash -436616079, now seen corresponding path program 4 times [2024-10-24 19:56:44,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:56:44,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030944417] [2024-10-24 19:56:44,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:56:44,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:56:44,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:56:47,571 INFO L134 CoverageAnalysis]: Checked inductivity of 2717 backedges. 0 proven. 2717 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:56:47,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:56:47,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030944417] [2024-10-24 19:56:47,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2030944417] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:56:47,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1228885410] [2024-10-24 19:56:47,572 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-24 19:56:47,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:56:47,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:56:47,573 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 19:56:47,573 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-10-24 19:56:47,674 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-24 19:56:47,674 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 19:56:47,676 INFO L255 TraceCheckSpWp]: Trace formula consists of 580 conjuncts, 71 conjuncts are in the unsatisfiable core [2024-10-24 19:56:47,679 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:56:51,441 INFO L134 CoverageAnalysis]: Checked inductivity of 2717 backedges. 0 proven. 2717 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:56:51,442 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 19:56:56,000 INFO L134 CoverageAnalysis]: Checked inductivity of 2717 backedges. 0 proven. 2717 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:56:56,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1228885410] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 19:56:56,000 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 19:56:56,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [70, 70, 70] total 209 [2024-10-24 19:56:56,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737261754] [2024-10-24 19:56:56,000 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 19:56:56,001 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 211 states [2024-10-24 19:56:56,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:56:56,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 211 interpolants. [2024-10-24 19:56:56,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5643, Invalid=38667, Unknown=0, NotChecked=0, Total=44310 [2024-10-24 19:56:56,006 INFO L87 Difference]: Start difference. First operand 772 states and 794 transitions. Second operand has 211 states, 210 states have (on average 3.5952380952380953) internal successors, (755), 210 states have internal predecessors, (755), 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)