./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f50c7bc2857aa84cb02200a831151d15e1603828dabc8b6cfed5e5d60ae2ee71 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 04:20:05,580 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 04:20:05,662 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-17 04:20:05,673 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 04:20:05,674 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 04:20:05,706 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 04:20:05,706 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 04:20:05,707 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 04:20:05,707 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 04:20:05,709 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 04:20:05,709 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 04:20:05,709 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 04:20:05,710 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 04:20:05,710 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 04:20:05,710 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 04:20:05,711 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 04:20:05,711 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 04:20:05,713 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 04:20:05,714 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 04:20:05,714 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 04:20:05,714 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 04:20:05,715 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 04:20:05,715 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 04:20:05,717 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 04:20:05,717 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 04:20:05,718 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 04:20:05,718 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 04:20:05,718 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 04:20:05,718 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 04:20:05,718 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 04:20:05,719 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 04:20:05,719 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 04:20:05,719 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 04:20:05,719 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 04:20:05,720 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 04:20:05,720 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 04:20:05,721 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 04:20:05,722 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 04:20:05,723 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 04:20:05,723 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 04:20:05,723 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 04:20:05,723 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 04:20:05,723 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 04:20:05,724 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 04:20:05,724 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f50c7bc2857aa84cb02200a831151d15e1603828dabc8b6cfed5e5d60ae2ee71 [2024-11-17 04:20:05,987 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 04:20:06,007 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 04:20:06,014 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 04:20:06,016 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 04:20:06,016 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 04:20:06,017 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound2.c [2024-11-17 04:20:07,509 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 04:20:07,683 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 04:20:07,684 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound2.c [2024-11-17 04:20:07,691 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90489d7a9/b9a92f17bcab4351b82d7dd83a4572b2/FLAG829b8232e [2024-11-17 04:20:07,708 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90489d7a9/b9a92f17bcab4351b82d7dd83a4572b2 [2024-11-17 04:20:07,711 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 04:20:07,712 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 04:20:07,713 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 04:20:07,714 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 04:20:07,718 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 04:20:07,719 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 04:20:07" (1/1) ... [2024-11-17 04:20:07,719 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a5ef2fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:20:07, skipping insertion in model container [2024-11-17 04:20:07,720 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 04:20:07" (1/1) ... [2024-11-17 04:20:07,738 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 04:20:07,921 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 04:20:07,933 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 04:20:07,974 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 04:20:07,997 INFO L204 MainTranslator]: Completed translation [2024-11-17 04:20:07,998 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:20:07 WrapperNode [2024-11-17 04:20:07,998 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 04:20:07,999 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 04:20:07,999 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 04:20:07,999 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 04:20:08,006 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:20:07" (1/1) ... [2024-11-17 04:20:08,014 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:20:07" (1/1) ... [2024-11-17 04:20:08,066 INFO L138 Inliner]: procedures = 14, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 194 [2024-11-17 04:20:08,069 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 04:20:08,070 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 04:20:08,070 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 04:20:08,070 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 04:20:08,081 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:20:07" (1/1) ... [2024-11-17 04:20:08,082 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:20:07" (1/1) ... [2024-11-17 04:20:08,084 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:20:07" (1/1) ... [2024-11-17 04:20:08,103 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-17 04:20:08,103 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:20:07" (1/1) ... [2024-11-17 04:20:08,103 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:20:07" (1/1) ... [2024-11-17 04:20:08,108 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:20:07" (1/1) ... [2024-11-17 04:20:08,109 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:20:07" (1/1) ... [2024-11-17 04:20:08,110 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:20:07" (1/1) ... [2024-11-17 04:20:08,112 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:20:07" (1/1) ... [2024-11-17 04:20:08,114 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 04:20:08,115 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 04:20:08,116 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 04:20:08,116 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 04:20:08,117 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:20:07" (1/1) ... [2024-11-17 04:20:08,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 04:20:08,142 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:20:08,160 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-17 04:20:08,163 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-17 04:20:08,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 04:20:08,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 04:20:08,216 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 04:20:08,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 04:20:08,216 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-17 04:20:08,216 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-17 04:20:08,280 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 04:20:08,282 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 04:20:09,230 INFO L? ?]: Removed 239 outVars from TransFormulas that were not future-live. [2024-11-17 04:20:09,232 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 04:20:09,268 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 04:20:09,269 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 04:20:09,269 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 04:20:09 BoogieIcfgContainer [2024-11-17 04:20:09,269 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 04:20:09,273 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 04:20:09,273 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 04:20:09,276 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 04:20:09,277 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 04:20:07" (1/3) ... [2024-11-17 04:20:09,277 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a3a54fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 04:20:09, skipping insertion in model container [2024-11-17 04:20:09,278 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:20:07" (2/3) ... [2024-11-17 04:20:09,279 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a3a54fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 04:20:09, skipping insertion in model container [2024-11-17 04:20:09,280 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 04:20:09" (3/3) ... [2024-11-17 04:20:09,281 INFO L112 eAbstractionObserver]: Analyzing ICFG cohencu-ll_unwindbound2.c [2024-11-17 04:20:09,297 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 04:20:09,298 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 140 error locations. [2024-11-17 04:20:09,414 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 04:20:09,425 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;@38dcd578, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 04:20:09,426 INFO L334 AbstractCegarLoop]: Starting to check reachability of 140 error locations. [2024-11-17 04:20:09,431 INFO L276 IsEmpty]: Start isEmpty. Operand has 311 states, 158 states have (on average 1.9113924050632911) internal successors, (302), 298 states have internal predecessors, (302), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-17 04:20:09,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-17 04:20:09,436 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:20:09,437 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-17 04:20:09,438 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr83ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-17 04:20:09,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:20:09,444 INFO L85 PathProgramCache]: Analyzing trace with hash 10342272, now seen corresponding path program 1 times [2024-11-17 04:20:09,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:20:09,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576677202] [2024-11-17 04:20:09,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:20:09,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:20:09,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:09,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:20:09,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:20:09,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576677202] [2024-11-17 04:20:09,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576677202] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:20:09,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:20:09,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:20:09,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803264862] [2024-11-17 04:20:09,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:20:09,605 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-17 04:20:09,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:20:09,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-17 04:20:09,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-17 04:20:09,634 INFO L87 Difference]: Start difference. First operand has 311 states, 158 states have (on average 1.9113924050632911) internal successors, (302), 298 states have internal predecessors, (302), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:20:09,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:20:09,697 INFO L93 Difference]: Finished difference Result 612 states and 656 transitions. [2024-11-17 04:20:09,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 04:20:09,699 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 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 4 [2024-11-17 04:20:09,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:20:09,711 INFO L225 Difference]: With dead ends: 612 [2024-11-17 04:20:09,711 INFO L226 Difference]: Without dead ends: 297 [2024-11-17 04:20:09,719 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-17 04:20:09,722 INFO L432 NwaCegarLoop]: 314 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:20:09,724 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 314 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:20:09,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2024-11-17 04:20:09,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 297. [2024-11-17 04:20:09,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 153 states have (on average 1.8758169934640523) internal successors, (287), 285 states have internal predecessors, (287), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-17 04:20:09,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 307 transitions. [2024-11-17 04:20:09,795 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 307 transitions. Word has length 4 [2024-11-17 04:20:09,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:20:09,795 INFO L471 AbstractCegarLoop]: Abstraction has 297 states and 307 transitions. [2024-11-17 04:20:09,795 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:20:09,796 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 307 transitions. [2024-11-17 04:20:09,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-17 04:20:09,796 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:20:09,796 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-17 04:20:09,796 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 04:20:09,796 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr139ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-17 04:20:09,797 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:20:09,797 INFO L85 PathProgramCache]: Analyzing trace with hash 10342367, now seen corresponding path program 1 times [2024-11-17 04:20:09,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:20:09,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973154433] [2024-11-17 04:20:09,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:20:09,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:20:09,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:09,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:20:09,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:20:09,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973154433] [2024-11-17 04:20:09,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973154433] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:20:09,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:20:09,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:20:09,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922144449] [2024-11-17 04:20:09,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:20:09,925 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:20:09,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:20:09,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:20:09,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:20:09,928 INFO L87 Difference]: Start difference. First operand 297 states and 307 transitions. Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:20:09,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:20:09,998 INFO L93 Difference]: Finished difference Result 479 states and 493 transitions. [2024-11-17 04:20:09,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:20:09,999 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 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 4 [2024-11-17 04:20:09,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:20:10,001 INFO L225 Difference]: With dead ends: 479 [2024-11-17 04:20:10,001 INFO L226 Difference]: Without dead ends: 302 [2024-11-17 04:20:10,002 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:20:10,003 INFO L432 NwaCegarLoop]: 302 mSDtfsCounter, 6 mSDsluCounter, 600 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 902 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:20:10,004 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 902 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:20:10,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2024-11-17 04:20:10,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 302. [2024-11-17 04:20:10,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 158 states have (on average 1.8481012658227849) internal successors, (292), 290 states have internal predecessors, (292), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-17 04:20:10,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 312 transitions. [2024-11-17 04:20:10,032 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 312 transitions. Word has length 4 [2024-11-17 04:20:10,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:20:10,032 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 312 transitions. [2024-11-17 04:20:10,033 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:20:10,033 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 312 transitions. [2024-11-17 04:20:10,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-17 04:20:10,034 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:20:10,034 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:20:10,034 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-17 04:20:10,034 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr137ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-17 04:20:10,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:20:10,035 INFO L85 PathProgramCache]: Analyzing trace with hash -605872229, now seen corresponding path program 1 times [2024-11-17 04:20:10,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:20:10,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065322122] [2024-11-17 04:20:10,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:20:10,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:20:10,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:10,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:20:10,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:20:10,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065322122] [2024-11-17 04:20:10,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2065322122] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:20:10,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:20:10,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:20:10,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401775149] [2024-11-17 04:20:10,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:20:10,098 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:20:10,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:20:10,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:20:10,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:20:10,099 INFO L87 Difference]: Start difference. First operand 302 states and 312 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:20:10,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:20:10,242 INFO L93 Difference]: Finished difference Result 571 states and 591 transitions. [2024-11-17 04:20:10,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:20:10,243 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-17 04:20:10,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:20:10,246 INFO L225 Difference]: With dead ends: 571 [2024-11-17 04:20:10,246 INFO L226 Difference]: Without dead ends: 551 [2024-11-17 04:20:10,247 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:20:10,248 INFO L432 NwaCegarLoop]: 395 mSDtfsCounter, 238 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 656 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:20:10,248 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [248 Valid, 656 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:20:10,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 551 states. [2024-11-17 04:20:10,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 551 to 360. [2024-11-17 04:20:10,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 211 states have (on average 1.7677725118483412) internal successors, (373), 343 states have internal predecessors, (373), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-17 04:20:10,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 403 transitions. [2024-11-17 04:20:10,274 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 403 transitions. Word has length 8 [2024-11-17 04:20:10,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:20:10,274 INFO L471 AbstractCegarLoop]: Abstraction has 360 states and 403 transitions. [2024-11-17 04:20:10,275 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:20:10,275 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 403 transitions. [2024-11-17 04:20:10,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-17 04:20:10,276 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:20:10,276 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:20:10,276 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-17 04:20:10,276 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr119ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-17 04:20:10,277 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:20:10,277 INFO L85 PathProgramCache]: Analyzing trace with hash -1125343761, now seen corresponding path program 1 times [2024-11-17 04:20:10,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:20:10,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246959623] [2024-11-17 04:20:10,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:20:10,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:20:10,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:20:10,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2054793797] [2024-11-17 04:20:10,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:20:10,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:20:10,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:20:10,323 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:20:10,325 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-17 04:20:10,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:10,376 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 04:20:10,381 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:20:10,558 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-17 04:20:10,559 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:20:10,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:20:10,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246959623] [2024-11-17 04:20:10,560 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:20:10,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2054793797] [2024-11-17 04:20:10,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2054793797] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:20:10,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:20:10,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:20:10,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650757392] [2024-11-17 04:20:10,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:20:10,561 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:20:10,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:20:10,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:20:10,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:20:10,563 INFO L87 Difference]: Start difference. First operand 360 states and 403 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-17 04:20:11,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:20:11,344 INFO L93 Difference]: Finished difference Result 523 states and 581 transitions. [2024-11-17 04:20:11,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:20:11,345 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 41 [2024-11-17 04:20:11,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:20:11,347 INFO L225 Difference]: With dead ends: 523 [2024-11-17 04:20:11,348 INFO L226 Difference]: Without dead ends: 468 [2024-11-17 04:20:11,348 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:20:11,349 INFO L432 NwaCegarLoop]: 234 mSDtfsCounter, 137 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 338 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 348 SdHoareTripleChecker+Invalid, 392 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 338 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-17 04:20:11,349 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 348 Invalid, 392 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 338 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-17 04:20:11,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 468 states. [2024-11-17 04:20:11,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 468 to 447. [2024-11-17 04:20:11,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 447 states, 293 states have (on average 1.6313993174061434) internal successors, (478), 425 states have internal predecessors, (478), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-17 04:20:11,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 518 transitions. [2024-11-17 04:20:11,363 INFO L78 Accepts]: Start accepts. Automaton has 447 states and 518 transitions. Word has length 41 [2024-11-17 04:20:11,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:20:11,364 INFO L471 AbstractCegarLoop]: Abstraction has 447 states and 518 transitions. [2024-11-17 04:20:11,364 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-17 04:20:11,364 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 518 transitions. [2024-11-17 04:20:11,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-17 04:20:11,365 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:20:11,365 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:20:11,382 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-17 04:20:11,566 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:20:11,568 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr117ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-17 04:20:11,568 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:20:11,568 INFO L85 PathProgramCache]: Analyzing trace with hash 876411405, now seen corresponding path program 1 times [2024-11-17 04:20:11,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:20:11,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806036019] [2024-11-17 04:20:11,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:20:11,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:20:11,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:11,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:20:11,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:11,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-17 04:20:11,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:11,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-17 04:20:11,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:11,731 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-17 04:20:11,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:20:11,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806036019] [2024-11-17 04:20:11,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806036019] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:20:11,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:20:11,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:20:11,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416983126] [2024-11-17 04:20:11,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:20:11,736 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:20:11,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:20:11,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:20:11,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:20:11,738 INFO L87 Difference]: Start difference. First operand 447 states and 518 transitions. Second operand has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-17 04:20:12,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:20:12,219 INFO L93 Difference]: Finished difference Result 480 states and 525 transitions. [2024-11-17 04:20:12,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:20:12,220 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 43 [2024-11-17 04:20:12,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:20:12,222 INFO L225 Difference]: With dead ends: 480 [2024-11-17 04:20:12,222 INFO L226 Difference]: Without dead ends: 457 [2024-11-17 04:20:12,223 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:20:12,224 INFO L432 NwaCegarLoop]: 329 mSDtfsCounter, 122 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 542 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-17 04:20:12,224 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 542 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-17 04:20:12,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2024-11-17 04:20:12,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 447. [2024-11-17 04:20:12,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 447 states, 293 states have (on average 1.552901023890785) internal successors, (455), 425 states have internal predecessors, (455), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-17 04:20:12,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 495 transitions. [2024-11-17 04:20:12,237 INFO L78 Accepts]: Start accepts. Automaton has 447 states and 495 transitions. Word has length 43 [2024-11-17 04:20:12,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:20:12,238 INFO L471 AbstractCegarLoop]: Abstraction has 447 states and 495 transitions. [2024-11-17 04:20:12,238 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-17 04:20:12,238 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 495 transitions. [2024-11-17 04:20:12,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-17 04:20:12,239 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:20:12,240 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:20:12,240 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-17 04:20:12,240 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr115ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-17 04:20:12,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:20:12,241 INFO L85 PathProgramCache]: Analyzing trace with hash 417777195, now seen corresponding path program 1 times [2024-11-17 04:20:12,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:20:12,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334591074] [2024-11-17 04:20:12,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:20:12,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:20:12,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:12,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:20:12,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:12,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-17 04:20:12,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:12,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-17 04:20:12,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:12,363 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-17 04:20:12,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:20:12,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334591074] [2024-11-17 04:20:12,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334591074] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:20:12,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:20:12,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:20:12,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940332492] [2024-11-17 04:20:12,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:20:12,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:20:12,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:20:12,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:20:12,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:20:12,366 INFO L87 Difference]: Start difference. First operand 447 states and 495 transitions. Second operand has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-17 04:20:14,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:20:14,219 INFO L93 Difference]: Finished difference Result 459 states and 502 transitions. [2024-11-17 04:20:14,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:20:14,220 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 45 [2024-11-17 04:20:14,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:20:14,222 INFO L225 Difference]: With dead ends: 459 [2024-11-17 04:20:14,222 INFO L226 Difference]: Without dead ends: 457 [2024-11-17 04:20:14,222 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:20:14,226 INFO L432 NwaCegarLoop]: 214 mSDtfsCounter, 143 mSDsluCounter, 301 mSDsCounter, 0 mSdLazyCounter, 448 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 515 SdHoareTripleChecker+Invalid, 450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-17 04:20:14,229 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 515 Invalid, 450 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 448 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-17 04:20:14,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2024-11-17 04:20:14,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 447. [2024-11-17 04:20:14,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 447 states, 293 states have (on average 1.546075085324232) internal successors, (453), 425 states have internal predecessors, (453), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-17 04:20:14,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 493 transitions. [2024-11-17 04:20:14,255 INFO L78 Accepts]: Start accepts. Automaton has 447 states and 493 transitions. Word has length 45 [2024-11-17 04:20:14,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:20:14,257 INFO L471 AbstractCegarLoop]: Abstraction has 447 states and 493 transitions. [2024-11-17 04:20:14,258 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-17 04:20:14,258 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 493 transitions. [2024-11-17 04:20:14,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-17 04:20:14,259 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:20:14,259 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:20:14,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-17 04:20:14,259 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr114ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-17 04:20:14,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:20:14,260 INFO L85 PathProgramCache]: Analyzing trace with hash 66191372, now seen corresponding path program 1 times [2024-11-17 04:20:14,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:20:14,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496607670] [2024-11-17 04:20:14,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:20:14,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:20:14,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:14,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:20:14,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:14,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-17 04:20:14,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:14,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-17 04:20:14,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:14,479 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-17 04:20:14,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:20:14,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496607670] [2024-11-17 04:20:14,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [496607670] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:20:14,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:20:14,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:20:14,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408130973] [2024-11-17 04:20:14,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:20:14,483 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:20:14,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:20:14,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:20:14,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:20:14,485 INFO L87 Difference]: Start difference. First operand 447 states and 493 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-17 04:20:17,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:20:17,611 INFO L93 Difference]: Finished difference Result 459 states and 500 transitions. [2024-11-17 04:20:17,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:20:17,611 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 46 [2024-11-17 04:20:17,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:20:17,614 INFO L225 Difference]: With dead ends: 459 [2024-11-17 04:20:17,614 INFO L226 Difference]: Without dead ends: 457 [2024-11-17 04:20:17,614 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:20:17,615 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 143 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 444 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 491 SdHoareTripleChecker+Invalid, 446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 444 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:20:17,615 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 491 Invalid, 446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 444 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2024-11-17 04:20:17,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2024-11-17 04:20:17,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 447. [2024-11-17 04:20:17,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 447 states, 293 states have (on average 1.5392491467576792) internal successors, (451), 425 states have internal predecessors, (451), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-17 04:20:17,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 491 transitions. [2024-11-17 04:20:17,636 INFO L78 Accepts]: Start accepts. Automaton has 447 states and 491 transitions. Word has length 46 [2024-11-17 04:20:17,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:20:17,637 INFO L471 AbstractCegarLoop]: Abstraction has 447 states and 491 transitions. [2024-11-17 04:20:17,637 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-17 04:20:17,637 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 491 transitions. [2024-11-17 04:20:17,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-17 04:20:17,638 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:20:17,638 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:20:17,638 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-17 04:20:17,638 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr111ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-17 04:20:17,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:20:17,639 INFO L85 PathProgramCache]: Analyzing trace with hash 517385831, now seen corresponding path program 1 times [2024-11-17 04:20:17,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:20:17,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468487778] [2024-11-17 04:20:17,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:20:17,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:20:17,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:20:17,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1171855756] [2024-11-17 04:20:17,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:20:17,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:20:17,662 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:20:17,664 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:20:17,665 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-17 04:20:17,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:17,713 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-17 04:20:17,715 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:20:17,951 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-17 04:20:17,951 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:20:17,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:20:17,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468487778] [2024-11-17 04:20:17,951 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:20:17,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1171855756] [2024-11-17 04:20:17,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1171855756] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:20:17,952 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:20:17,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:20:17,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986319446] [2024-11-17 04:20:17,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:20:17,952 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:20:17,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:20:17,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:20:17,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:20:17,953 INFO L87 Difference]: Start difference. First operand 447 states and 491 transitions. Second operand has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-17 04:20:18,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:20:18,525 INFO L93 Difference]: Finished difference Result 464 states and 498 transitions. [2024-11-17 04:20:18,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:20:18,527 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 49 [2024-11-17 04:20:18,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:20:18,529 INFO L225 Difference]: With dead ends: 464 [2024-11-17 04:20:18,529 INFO L226 Difference]: Without dead ends: 455 [2024-11-17 04:20:18,530 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:20:18,531 INFO L432 NwaCegarLoop]: 239 mSDtfsCounter, 114 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 341 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 329 SdHoareTripleChecker+Invalid, 349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 341 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-17 04:20:18,551 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 329 Invalid, 349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 341 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-17 04:20:18,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2024-11-17 04:20:18,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 450. [2024-11-17 04:20:18,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 296 states have (on average 1.5135135135135136) internal successors, (448), 428 states have internal predecessors, (448), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-17 04:20:18,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 488 transitions. [2024-11-17 04:20:18,567 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 488 transitions. Word has length 49 [2024-11-17 04:20:18,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:20:18,569 INFO L471 AbstractCegarLoop]: Abstraction has 450 states and 488 transitions. [2024-11-17 04:20:18,569 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-17 04:20:18,570 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 488 transitions. [2024-11-17 04:20:18,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-17 04:20:18,571 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:20:18,571 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:20:18,592 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-17 04:20:18,772 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,SelfDestructingSolverStorable7 [2024-11-17 04:20:18,772 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr110ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-17 04:20:18,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:20:18,773 INFO L85 PathProgramCache]: Analyzing trace with hash -1140908216, now seen corresponding path program 1 times [2024-11-17 04:20:18,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:20:18,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976427562] [2024-11-17 04:20:18,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:20:18,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:20:18,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:18,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:20:18,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:18,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-17 04:20:18,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:18,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-17 04:20:18,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:18,882 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-17 04:20:18,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:20:18,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976427562] [2024-11-17 04:20:18,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976427562] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:20:18,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:20:18,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:20:18,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986273096] [2024-11-17 04:20:18,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:20:18,884 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:20:18,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:20:18,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:20:18,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:20:18,886 INFO L87 Difference]: Start difference. First operand 450 states and 488 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-17 04:20:19,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:20:19,447 INFO L93 Difference]: Finished difference Result 463 states and 489 transitions. [2024-11-17 04:20:19,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:20:19,448 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 50 [2024-11-17 04:20:19,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:20:19,450 INFO L225 Difference]: With dead ends: 463 [2024-11-17 04:20:19,450 INFO L226 Difference]: Without dead ends: 457 [2024-11-17 04:20:19,451 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:20:19,452 INFO L432 NwaCegarLoop]: 249 mSDtfsCounter, 252 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 294 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-17 04:20:19,452 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [262 Valid, 381 Invalid, 307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 294 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-17 04:20:19,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2024-11-17 04:20:19,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 450. [2024-11-17 04:20:19,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 296 states have (on average 1.4932432432432432) internal successors, (442), 428 states have internal predecessors, (442), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-17 04:20:19,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 482 transitions. [2024-11-17 04:20:19,464 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 482 transitions. Word has length 50 [2024-11-17 04:20:19,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:20:19,465 INFO L471 AbstractCegarLoop]: Abstraction has 450 states and 482 transitions. [2024-11-17 04:20:19,465 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-17 04:20:19,465 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 482 transitions. [2024-11-17 04:20:19,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-17 04:20:19,465 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:20:19,466 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:20:19,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-17 04:20:19,466 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr106ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-17 04:20:19,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:20:19,467 INFO L85 PathProgramCache]: Analyzing trace with hash 1571716740, now seen corresponding path program 1 times [2024-11-17 04:20:19,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:20:19,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198046871] [2024-11-17 04:20:19,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:20:19,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:20:19,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:19,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:20:19,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:19,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-17 04:20:19,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:19,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-17 04:20:19,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:19,611 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-17 04:20:19,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:20:19,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198046871] [2024-11-17 04:20:19,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1198046871] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:20:19,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:20:19,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:20:19,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752871326] [2024-11-17 04:20:19,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:20:19,613 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:20:19,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:20:19,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:20:19,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:20:19,613 INFO L87 Difference]: Start difference. First operand 450 states and 482 transitions. Second operand has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-17 04:20:20,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:20:20,231 INFO L93 Difference]: Finished difference Result 461 states and 483 transitions. [2024-11-17 04:20:20,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:20:20,232 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 54 [2024-11-17 04:20:20,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:20:20,234 INFO L225 Difference]: With dead ends: 461 [2024-11-17 04:20:20,234 INFO L226 Difference]: Without dead ends: 388 [2024-11-17 04:20:20,234 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:20:20,235 INFO L432 NwaCegarLoop]: 241 mSDtfsCounter, 230 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 327 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 329 SdHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-17 04:20:20,235 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [237 Valid, 329 Invalid, 339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 327 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-17 04:20:20,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2024-11-17 04:20:20,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 384. [2024-11-17 04:20:20,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 384 states, 233 states have (on average 1.6008583690987124) internal successors, (373), 365 states have internal predecessors, (373), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-17 04:20:20,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 407 transitions. [2024-11-17 04:20:20,249 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 407 transitions. Word has length 54 [2024-11-17 04:20:20,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:20:20,250 INFO L471 AbstractCegarLoop]: Abstraction has 384 states and 407 transitions. [2024-11-17 04:20:20,250 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-17 04:20:20,250 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 407 transitions. [2024-11-17 04:20:20,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-17 04:20:20,254 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:20:20,255 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:20:20,255 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-17 04:20:20,255 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr79ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-17 04:20:20,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:20:20,255 INFO L85 PathProgramCache]: Analyzing trace with hash 347163440, now seen corresponding path program 1 times [2024-11-17 04:20:20,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:20:20,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142694202] [2024-11-17 04:20:20,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:20:20,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:20:20,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:20,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:20:20,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:20,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-17 04:20:20,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:20,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-17 04:20:20,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:20,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-17 04:20:20,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:20,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-17 04:20:20,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:20,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-17 04:20:20,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:20,458 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-17 04:20:20,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:20:20,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142694202] [2024-11-17 04:20:20,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1142694202] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:20:20,459 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:20:20,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:20:20,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705416914] [2024-11-17 04:20:20,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:20:20,460 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:20:20,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:20:20,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:20:20,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:20:20,461 INFO L87 Difference]: Start difference. First operand 384 states and 407 transitions. Second operand has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-17 04:20:20,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:20:20,795 INFO L93 Difference]: Finished difference Result 384 states and 407 transitions. [2024-11-17 04:20:20,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:20:20,795 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 89 [2024-11-17 04:20:20,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:20:20,798 INFO L225 Difference]: With dead ends: 384 [2024-11-17 04:20:20,798 INFO L226 Difference]: Without dead ends: 382 [2024-11-17 04:20:20,799 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:20:20,799 INFO L432 NwaCegarLoop]: 265 mSDtfsCounter, 206 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:20:20,800 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 279 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:20:20,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2024-11-17 04:20:20,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 382. [2024-11-17 04:20:20,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 382 states, 233 states have (on average 1.5836909871244635) internal successors, (369), 363 states have internal predecessors, (369), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-17 04:20:20,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 403 transitions. [2024-11-17 04:20:20,810 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 403 transitions. Word has length 89 [2024-11-17 04:20:20,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:20:20,811 INFO L471 AbstractCegarLoop]: Abstraction has 382 states and 403 transitions. [2024-11-17 04:20:20,811 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-17 04:20:20,811 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 403 transitions. [2024-11-17 04:20:20,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-17 04:20:20,812 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:20:20,813 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:20:20,813 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-17 04:20:20,813 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr78ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-17 04:20:20,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:20:20,813 INFO L85 PathProgramCache]: Analyzing trace with hash -2122835114, now seen corresponding path program 1 times [2024-11-17 04:20:20,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:20:20,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469736327] [2024-11-17 04:20:20,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:20:20,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:20:20,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:20,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:20:20,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:20,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-17 04:20:20,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:20,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-17 04:20:20,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:20,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-17 04:20:20,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:20,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-17 04:20:20,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:20,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-17 04:20:20,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:20,941 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-17 04:20:20,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:20:20,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469736327] [2024-11-17 04:20:20,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [469736327] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:20:20,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:20:20,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 04:20:20,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129182676] [2024-11-17 04:20:20,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:20:20,942 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:20:20,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:20:20,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:20:20,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:20:20,943 INFO L87 Difference]: Start difference. First operand 382 states and 403 transitions. Second operand has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 states have internal predecessors, (63), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-17 04:20:21,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:20:21,331 INFO L93 Difference]: Finished difference Result 386 states and 403 transitions. [2024-11-17 04:20:21,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:20:21,331 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 states have internal predecessors, (63), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 90 [2024-11-17 04:20:21,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:20:21,333 INFO L225 Difference]: With dead ends: 386 [2024-11-17 04:20:21,333 INFO L226 Difference]: Without dead ends: 382 [2024-11-17 04:20:21,334 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:20:21,334 INFO L432 NwaCegarLoop]: 265 mSDtfsCounter, 20 mSDsluCounter, 714 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 979 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:20:21,334 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 979 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 04:20:21,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2024-11-17 04:20:21,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 380. [2024-11-17 04:20:21,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 380 states, 231 states have (on average 1.58008658008658) internal successors, (365), 361 states have internal predecessors, (365), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-17 04:20:21,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 399 transitions. [2024-11-17 04:20:21,344 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 399 transitions. Word has length 90 [2024-11-17 04:20:21,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:20:21,345 INFO L471 AbstractCegarLoop]: Abstraction has 380 states and 399 transitions. [2024-11-17 04:20:21,345 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 states have internal predecessors, (63), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-17 04:20:21,345 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 399 transitions. [2024-11-17 04:20:21,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-17 04:20:21,346 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:20:21,346 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:20:21,346 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-17 04:20:21,346 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr85ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-17 04:20:21,347 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:20:21,347 INFO L85 PathProgramCache]: Analyzing trace with hash 1104624789, now seen corresponding path program 1 times [2024-11-17 04:20:21,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:20:21,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269176180] [2024-11-17 04:20:21,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:20:21,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:20:21,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:21,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:20:21,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:21,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-17 04:20:21,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:21,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-17 04:20:21,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:21,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-17 04:20:21,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:21,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-17 04:20:21,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:21,420 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-17 04:20:21,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:20:21,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269176180] [2024-11-17 04:20:21,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269176180] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:20:21,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:20:21,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:20:21,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430554004] [2024-11-17 04:20:21,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:20:21,421 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:20:21,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:20:21,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:20:21,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:20:21,422 INFO L87 Difference]: Start difference. First operand 380 states and 399 transitions. Second operand has 3 states, 2 states have (on average 33.5) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-17 04:20:21,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:20:21,661 INFO L93 Difference]: Finished difference Result 380 states and 399 transitions. [2024-11-17 04:20:21,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:20:21,661 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 33.5) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 89 [2024-11-17 04:20:21,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:20:21,663 INFO L225 Difference]: With dead ends: 380 [2024-11-17 04:20:21,664 INFO L226 Difference]: Without dead ends: 373 [2024-11-17 04:20:21,664 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:20:21,664 INFO L432 NwaCegarLoop]: 146 mSDtfsCounter, 140 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:20:21,665 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 160 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:20:21,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2024-11-17 04:20:21,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 373. [2024-11-17 04:20:21,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 231 states have (on average 1.5497835497835497) internal successors, (358), 354 states have internal predecessors, (358), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-17 04:20:21,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 392 transitions. [2024-11-17 04:20:21,682 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 392 transitions. Word has length 89 [2024-11-17 04:20:21,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:20:21,683 INFO L471 AbstractCegarLoop]: Abstraction has 373 states and 392 transitions. [2024-11-17 04:20:21,683 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 33.5) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-17 04:20:21,683 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 392 transitions. [2024-11-17 04:20:21,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-17 04:20:21,684 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:20:21,684 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:20:21,684 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-17 04:20:21,684 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr84ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-17 04:20:21,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:20:21,685 INFO L85 PathProgramCache]: Analyzing trace with hash -116369761, now seen corresponding path program 1 times [2024-11-17 04:20:21,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:20:21,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9658257] [2024-11-17 04:20:21,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:20:21,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:20:21,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:21,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:20:21,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:21,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-17 04:20:21,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:21,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-17 04:20:21,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:21,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-17 04:20:21,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:21,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-17 04:20:21,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:21,775 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-17 04:20:21,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:20:21,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9658257] [2024-11-17 04:20:21,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9658257] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:20:21,776 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:20:21,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:20:21,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580229490] [2024-11-17 04:20:21,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:20:21,776 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:20:21,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:20:21,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:20:21,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:20:21,777 INFO L87 Difference]: Start difference. First operand 373 states and 392 transitions. Second operand has 3 states, 2 states have (on average 34.0) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-17 04:20:22,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:20:22,141 INFO L93 Difference]: Finished difference Result 378 states and 397 transitions. [2024-11-17 04:20:22,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:20:22,142 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 34.0) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 90 [2024-11-17 04:20:22,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:20:22,144 INFO L225 Difference]: With dead ends: 378 [2024-11-17 04:20:22,144 INFO L226 Difference]: Without dead ends: 377 [2024-11-17 04:20:22,145 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:20:22,146 INFO L432 NwaCegarLoop]: 275 mSDtfsCounter, 19 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:20:22,146 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 421 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 04:20:22,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2024-11-17 04:20:22,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 376. [2024-11-17 04:20:22,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 376 states, 234 states have (on average 1.5427350427350428) internal successors, (361), 357 states have internal predecessors, (361), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-17 04:20:22,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 395 transitions. [2024-11-17 04:20:22,156 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 395 transitions. Word has length 90 [2024-11-17 04:20:22,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:20:22,157 INFO L471 AbstractCegarLoop]: Abstraction has 376 states and 395 transitions. [2024-11-17 04:20:22,157 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 34.0) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-17 04:20:22,157 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 395 transitions. [2024-11-17 04:20:22,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-17 04:20:22,158 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:20:22,158 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:20:22,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-17 04:20:22,158 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr139ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-17 04:20:22,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:20:22,159 INFO L85 PathProgramCache]: Analyzing trace with hash -732792078, now seen corresponding path program 1 times [2024-11-17 04:20:22,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:20:22,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540074363] [2024-11-17 04:20:22,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:20:22,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:20:22,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:22,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:20:22,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:22,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-17 04:20:22,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:22,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-17 04:20:22,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:22,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-17 04:20:22,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:22,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-17 04:20:22,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:22,276 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-17 04:20:22,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:20:22,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540074363] [2024-11-17 04:20:22,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1540074363] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:20:22,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1103591840] [2024-11-17 04:20:22,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:20:22,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:20:22,278 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:20:22,280 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:20:22,281 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-17 04:20:22,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:22,334 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:20:22,337 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:20:22,486 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-17 04:20:22,487 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:20:22,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1103591840] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:20:22,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:20:22,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-11-17 04:20:22,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051218750] [2024-11-17 04:20:22,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:20:22,488 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:20:22,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:20:22,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:20:22,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:20:22,489 INFO L87 Difference]: Start difference. First operand 376 states and 395 transitions. Second operand has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-17 04:20:22,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:20:22,516 INFO L93 Difference]: Finished difference Result 376 states and 395 transitions. [2024-11-17 04:20:22,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:20:22,517 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 93 [2024-11-17 04:20:22,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:20:22,518 INFO L225 Difference]: With dead ends: 376 [2024-11-17 04:20:22,518 INFO L226 Difference]: Without dead ends: 375 [2024-11-17 04:20:22,519 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-17 04:20:22,519 INFO L432 NwaCegarLoop]: 290 mSDtfsCounter, 226 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 579 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:20:22,520 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [226 Valid, 579 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:20:22,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2024-11-17 04:20:22,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 375. [2024-11-17 04:20:22,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 375 states, 234 states have (on average 1.5384615384615385) internal successors, (360), 356 states have internal predecessors, (360), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-17 04:20:22,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 394 transitions. [2024-11-17 04:20:22,530 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 394 transitions. Word has length 93 [2024-11-17 04:20:22,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:20:22,530 INFO L471 AbstractCegarLoop]: Abstraction has 375 states and 394 transitions. [2024-11-17 04:20:22,531 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-17 04:20:22,531 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 394 transitions. [2024-11-17 04:20:22,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-17 04:20:22,532 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:20:22,532 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:20:22,554 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-17 04:20:22,732 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:20:22,733 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr138ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-17 04:20:22,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:20:22,734 INFO L85 PathProgramCache]: Analyzing trace with hash -1241717669, now seen corresponding path program 1 times [2024-11-17 04:20:22,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:20:22,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919769434] [2024-11-17 04:20:22,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:20:22,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:20:22,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:22,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:20:22,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:22,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-17 04:20:22,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:22,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-17 04:20:22,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:22,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-17 04:20:22,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:22,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-17 04:20:22,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:22,875 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-17 04:20:22,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:20:22,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919769434] [2024-11-17 04:20:22,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1919769434] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:20:22,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1261278890] [2024-11-17 04:20:22,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:20:22,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:20:22,877 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:20:22,879 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:20:22,880 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-17 04:20:22,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:22,940 INFO L255 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:20:22,942 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:20:23,081 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-17 04:20:23,081 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:20:23,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1261278890] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:20:23,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:20:23,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-11-17 04:20:23,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530708565] [2024-11-17 04:20:23,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:20:23,082 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:20:23,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:20:23,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:20:23,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:20:23,083 INFO L87 Difference]: Start difference. First operand 375 states and 394 transitions. Second operand has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-17 04:20:23,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:20:23,191 INFO L93 Difference]: Finished difference Result 544 states and 566 transitions. [2024-11-17 04:20:23,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:20:23,191 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 94 [2024-11-17 04:20:23,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:20:23,193 INFO L225 Difference]: With dead ends: 544 [2024-11-17 04:20:23,193 INFO L226 Difference]: Without dead ends: 543 [2024-11-17 04:20:23,194 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-17 04:20:23,194 INFO L432 NwaCegarLoop]: 454 mSDtfsCounter, 224 mSDsluCounter, 1057 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 1511 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:20:23,195 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [224 Valid, 1511 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:20:23,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2024-11-17 04:20:23,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 451. [2024-11-17 04:20:23,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 451 states, 305 states have (on average 1.6098360655737705) internal successors, (491), 427 states have internal predecessors, (491), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-17 04:20:23,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 535 transitions. [2024-11-17 04:20:23,211 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 535 transitions. Word has length 94 [2024-11-17 04:20:23,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:20:23,211 INFO L471 AbstractCegarLoop]: Abstraction has 451 states and 535 transitions. [2024-11-17 04:20:23,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-17 04:20:23,211 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 535 transitions. [2024-11-17 04:20:23,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-17 04:20:23,212 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:20:23,213 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:20:23,230 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-17 04:20:23,417 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-17 04:20:23,418 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr83ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-17 04:20:23,418 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:20:23,419 INFO L85 PathProgramCache]: Analyzing trace with hash 542509208, now seen corresponding path program 1 times [2024-11-17 04:20:23,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:20:23,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128894249] [2024-11-17 04:20:23,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:20:23,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:20:23,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:23,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:20:23,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:23,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-17 04:20:23,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:23,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-17 04:20:23,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:23,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-17 04:20:23,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:23,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-17 04:20:23,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:23,494 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-17 04:20:23,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:20:23,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128894249] [2024-11-17 04:20:23,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128894249] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:20:23,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [309368595] [2024-11-17 04:20:23,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:20:23,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:20:23,495 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:20:23,497 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:20:23,498 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-17 04:20:23,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:23,551 INFO L255 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-17 04:20:23,553 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:20:23,656 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-17 04:20:23,656 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:20:23,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [309368595] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:20:23,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:20:23,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-17 04:20:23,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362279056] [2024-11-17 04:20:23,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:20:23,657 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:20:23,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:20:23,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:20:23,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:20:23,659 INFO L87 Difference]: Start difference. First operand 451 states and 535 transitions. Second operand has 4 states, 3 states have (on average 25.0) internal successors, (75), 4 states have internal predecessors, (75), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-17 04:20:23,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:20:23,806 INFO L93 Difference]: Finished difference Result 453 states and 535 transitions. [2024-11-17 04:20:23,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:20:23,807 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 25.0) internal successors, (75), 4 states have internal predecessors, (75), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 97 [2024-11-17 04:20:23,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:20:23,812 INFO L225 Difference]: With dead ends: 453 [2024-11-17 04:20:23,812 INFO L226 Difference]: Without dead ends: 445 [2024-11-17 04:20:23,812 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:20:23,813 INFO L432 NwaCegarLoop]: 293 mSDtfsCounter, 437 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 449 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:20:23,813 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [449 Valid, 361 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:20:23,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2024-11-17 04:20:23,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 443. [2024-11-17 04:20:23,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 443 states, 305 states have (on average 1.5770491803278688) internal successors, (481), 419 states have internal predecessors, (481), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-17 04:20:23,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 525 transitions. [2024-11-17 04:20:23,828 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 525 transitions. Word has length 97 [2024-11-17 04:20:23,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:20:23,828 INFO L471 AbstractCegarLoop]: Abstraction has 443 states and 525 transitions. [2024-11-17 04:20:23,828 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 25.0) internal successors, (75), 4 states have internal predecessors, (75), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-17 04:20:23,829 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 525 transitions. [2024-11-17 04:20:23,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-17 04:20:23,829 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:20:23,830 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:20:23,847 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-17 04:20:24,033 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,SelfDestructingSolverStorable16 [2024-11-17 04:20:24,035 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr82ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-17 04:20:24,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:20:24,035 INFO L85 PathProgramCache]: Analyzing trace with hash -362083593, now seen corresponding path program 1 times [2024-11-17 04:20:24,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:20:24,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091762749] [2024-11-17 04:20:24,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:20:24,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:20:24,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:24,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:20:24,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:24,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-17 04:20:24,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:24,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-17 04:20:24,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:24,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-17 04:20:24,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:24,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-17 04:20:24,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:24,126 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-17 04:20:24,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:20:24,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091762749] [2024-11-17 04:20:24,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2091762749] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:20:24,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [130454284] [2024-11-17 04:20:24,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:20:24,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:20:24,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:20:24,129 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:20:24,131 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-17 04:20:24,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:24,186 INFO L255 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-17 04:20:24,187 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:20:24,281 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-17 04:20:24,282 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:20:24,437 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-17 04:20:24,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [130454284] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:20:24,437 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:20:24,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-17 04:20:24,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882021933] [2024-11-17 04:20:24,438 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:20:24,438 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 04:20:24,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:20:24,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 04:20:24,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-17 04:20:24,439 INFO L87 Difference]: Start difference. First operand 443 states and 525 transitions. Second operand has 7 states, 6 states have (on average 34.0) internal successors, (204), 7 states have internal predecessors, (204), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-17 04:20:24,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:20:24,687 INFO L93 Difference]: Finished difference Result 795 states and 964 transitions. [2024-11-17 04:20:24,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 04:20:24,688 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 34.0) internal successors, (204), 7 states have internal predecessors, (204), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 98 [2024-11-17 04:20:24,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:20:24,691 INFO L225 Difference]: With dead ends: 795 [2024-11-17 04:20:24,691 INFO L226 Difference]: Without dead ends: 787 [2024-11-17 04:20:24,692 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-17 04:20:24,692 INFO L432 NwaCegarLoop]: 267 mSDtfsCounter, 641 mSDsluCounter, 717 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 658 SdHoareTripleChecker+Valid, 984 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:20:24,693 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [658 Valid, 984 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:20:24,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 787 states. [2024-11-17 04:20:24,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 787 to 521. [2024-11-17 04:20:24,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 521 states, 383 states have (on average 1.5378590078328982) internal successors, (589), 492 states have internal predecessors, (589), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 26 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-17 04:20:24,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 521 states and 643 transitions. [2024-11-17 04:20:24,711 INFO L78 Accepts]: Start accepts. Automaton has 521 states and 643 transitions. Word has length 98 [2024-11-17 04:20:24,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:20:24,711 INFO L471 AbstractCegarLoop]: Abstraction has 521 states and 643 transitions. [2024-11-17 04:20:24,712 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 34.0) internal successors, (204), 7 states have internal predecessors, (204), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-17 04:20:24,712 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 643 transitions. [2024-11-17 04:20:24,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-17 04:20:24,713 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:20:24,713 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:20:24,730 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-17 04:20:24,917 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,SelfDestructingSolverStorable17 [2024-11-17 04:20:24,918 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr67ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-17 04:20:24,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:20:24,918 INFO L85 PathProgramCache]: Analyzing trace with hash 81281358, now seen corresponding path program 1 times [2024-11-17 04:20:24,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:20:24,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977791578] [2024-11-17 04:20:24,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:20:24,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:20:24,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:20:24,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [716058071] [2024-11-17 04:20:24,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:20:24,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:20:24,939 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:20:24,940 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:20:24,942 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-17 04:20:24,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:24,997 INFO L255 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:20:24,999 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:20:25,128 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-17 04:20:25,129 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:20:25,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:20:25,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977791578] [2024-11-17 04:20:25,129 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:20:25,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [716058071] [2024-11-17 04:20:25,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [716058071] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:20:25,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:20:25,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:20:25,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762416765] [2024-11-17 04:20:25,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:20:25,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:20:25,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:20:25,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:20:25,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:20:25,132 INFO L87 Difference]: Start difference. First operand 521 states and 643 transitions. Second operand has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-17 04:20:25,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:20:25,744 INFO L93 Difference]: Finished difference Result 522 states and 643 transitions. [2024-11-17 04:20:25,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:20:25,745 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 106 [2024-11-17 04:20:25,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:20:25,748 INFO L225 Difference]: With dead ends: 522 [2024-11-17 04:20:25,748 INFO L226 Difference]: Without dead ends: 521 [2024-11-17 04:20:25,748 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:20:25,749 INFO L432 NwaCegarLoop]: 258 mSDtfsCounter, 69 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 360 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 508 SdHoareTripleChecker+Invalid, 361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-17 04:20:25,749 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 508 Invalid, 361 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 360 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-17 04:20:25,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 521 states. [2024-11-17 04:20:25,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 521 to 521. [2024-11-17 04:20:25,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 521 states, 383 states have (on average 1.5352480417754568) internal successors, (588), 492 states have internal predecessors, (588), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 26 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-17 04:20:25,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 521 states and 642 transitions. [2024-11-17 04:20:25,768 INFO L78 Accepts]: Start accepts. Automaton has 521 states and 642 transitions. Word has length 106 [2024-11-17 04:20:25,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:20:25,769 INFO L471 AbstractCegarLoop]: Abstraction has 521 states and 642 transitions. [2024-11-17 04:20:25,769 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-17 04:20:25,769 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 642 transitions. [2024-11-17 04:20:25,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-17 04:20:25,770 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:20:25,770 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:20:25,787 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-17 04:20:25,974 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:20:25,975 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr66ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-17 04:20:25,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:20:25,975 INFO L85 PathProgramCache]: Analyzing trace with hash -1775245089, now seen corresponding path program 1 times [2024-11-17 04:20:25,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:20:25,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415428519] [2024-11-17 04:20:25,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:20:25,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:20:25,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:20:25,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2081225293] [2024-11-17 04:20:25,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:20:25,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:20:25,995 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:20:25,997 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:20:25,998 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-17 04:20:26,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:26,056 INFO L255 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 04:20:26,058 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:20:26,320 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-17 04:20:26,320 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:20:26,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:20:26,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415428519] [2024-11-17 04:20:26,320 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:20:26,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2081225293] [2024-11-17 04:20:26,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2081225293] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:20:26,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:20:26,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:20:26,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760257361] [2024-11-17 04:20:26,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:20:26,321 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:20:26,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:20:26,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:20:26,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:20:26,322 INFO L87 Difference]: Start difference. First operand 521 states and 642 transitions. Second operand has 4 states, 3 states have (on average 25.0) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-17 04:20:27,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:20:27,023 INFO L93 Difference]: Finished difference Result 522 states and 642 transitions. [2024-11-17 04:20:27,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:20:27,023 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 25.0) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 107 [2024-11-17 04:20:27,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:20:27,025 INFO L225 Difference]: With dead ends: 522 [2024-11-17 04:20:27,026 INFO L226 Difference]: Without dead ends: 501 [2024-11-17 04:20:27,026 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:20:27,027 INFO L432 NwaCegarLoop]: 239 mSDtfsCounter, 21 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 437 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 429 SdHoareTripleChecker+Invalid, 439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 437 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-17 04:20:27,027 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 429 Invalid, 439 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 437 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-17 04:20:27,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states. [2024-11-17 04:20:27,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 501. [2024-11-17 04:20:27,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 501 states, 365 states have (on average 1.558904109589041) internal successors, (569), 474 states have internal predecessors, (569), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-17 04:20:27,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 501 states and 619 transitions. [2024-11-17 04:20:27,043 INFO L78 Accepts]: Start accepts. Automaton has 501 states and 619 transitions. Word has length 107 [2024-11-17 04:20:27,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:20:27,044 INFO L471 AbstractCegarLoop]: Abstraction has 501 states and 619 transitions. [2024-11-17 04:20:27,044 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 25.0) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-17 04:20:27,044 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 619 transitions. [2024-11-17 04:20:27,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-17 04:20:27,045 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:20:27,045 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:20:27,063 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-17 04:20:27,246 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:20:27,246 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr78ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-17 04:20:27,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:20:27,247 INFO L85 PathProgramCache]: Analyzing trace with hash -238264998, now seen corresponding path program 1 times [2024-11-17 04:20:27,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:20:27,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498743088] [2024-11-17 04:20:27,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:20:27,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:20:27,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:27,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:20:27,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:27,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-17 04:20:27,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:27,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-17 04:20:27,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:27,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-17 04:20:27,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:27,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-17 04:20:27,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:27,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-17 04:20:27,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:27,372 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-17 04:20:27,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:20:27,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498743088] [2024-11-17 04:20:27,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498743088] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:20:27,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [138139509] [2024-11-17 04:20:27,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:20:27,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:20:27,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:20:27,374 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:20:27,376 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-17 04:20:27,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:27,432 INFO L255 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 04:20:27,434 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:20:27,543 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 20 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-17 04:20:27,544 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:20:27,663 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-17 04:20:27,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [138139509] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:20:27,663 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:20:27,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 6] total 9 [2024-11-17 04:20:27,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936114957] [2024-11-17 04:20:27,664 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:20:27,664 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-17 04:20:27,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:20:27,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-17 04:20:27,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:20:27,665 INFO L87 Difference]: Start difference. First operand 501 states and 619 transitions. Second operand has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 9 states have internal predecessors, (93), 2 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-17 04:20:27,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:20:27,752 INFO L93 Difference]: Finished difference Result 670 states and 790 transitions. [2024-11-17 04:20:27,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-17 04:20:27,752 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 9 states have internal predecessors, (93), 2 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 107 [2024-11-17 04:20:27,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:20:27,754 INFO L225 Difference]: With dead ends: 670 [2024-11-17 04:20:27,755 INFO L226 Difference]: Without dead ends: 505 [2024-11-17 04:20:27,755 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 219 SyntacticMatches, 4 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-11-17 04:20:27,756 INFO L432 NwaCegarLoop]: 278 mSDtfsCounter, 8 mSDsluCounter, 1086 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 1364 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:20:27,756 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 1364 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:20:27,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2024-11-17 04:20:27,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 505. [2024-11-17 04:20:27,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 505 states, 368 states have (on average 1.5516304347826086) internal successors, (571), 477 states have internal predecessors, (571), 25 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-17 04:20:27,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 621 transitions. [2024-11-17 04:20:27,772 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 621 transitions. Word has length 107 [2024-11-17 04:20:27,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:20:27,773 INFO L471 AbstractCegarLoop]: Abstraction has 505 states and 621 transitions. [2024-11-17 04:20:27,773 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 9 states have internal predecessors, (93), 2 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-17 04:20:27,773 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 621 transitions. [2024-11-17 04:20:27,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-17 04:20:27,774 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:20:27,774 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:20:27,792 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-17 04:20:27,974 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:20:27,975 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr130ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-17 04:20:27,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:20:27,975 INFO L85 PathProgramCache]: Analyzing trace with hash -1805123061, now seen corresponding path program 1 times [2024-11-17 04:20:27,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:20:27,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988640147] [2024-11-17 04:20:27,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:20:27,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:20:27,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:20:27,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [95704629] [2024-11-17 04:20:27,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:20:27,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:20:27,993 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:20:27,995 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:20:27,996 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-17 04:20:28,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:28,053 INFO L255 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 04:20:28,054 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:20:28,150 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-17 04:20:28,151 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:20:28,333 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-17 04:20:28,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:20:28,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988640147] [2024-11-17 04:20:28,333 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:20:28,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [95704629] [2024-11-17 04:20:28,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [95704629] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:20:28,334 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 04:20:28,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2024-11-17 04:20:28,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038101931] [2024-11-17 04:20:28,334 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 04:20:28,334 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 04:20:28,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:20:28,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 04:20:28,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-17 04:20:28,336 INFO L87 Difference]: Start difference. First operand 505 states and 621 transitions. Second operand has 6 states, 5 states have (on average 32.0) internal successors, (160), 6 states have internal predecessors, (160), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-17 04:20:28,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:20:28,578 INFO L93 Difference]: Finished difference Result 863 states and 959 transitions. [2024-11-17 04:20:28,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 04:20:28,578 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 32.0) internal successors, (160), 6 states have internal predecessors, (160), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 109 [2024-11-17 04:20:28,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:20:28,584 INFO L225 Difference]: With dead ends: 863 [2024-11-17 04:20:28,584 INFO L226 Difference]: Without dead ends: 857 [2024-11-17 04:20:28,586 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-11-17 04:20:28,586 INFO L432 NwaCegarLoop]: 452 mSDtfsCounter, 844 mSDsluCounter, 816 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 858 SdHoareTripleChecker+Valid, 1268 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:20:28,586 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [858 Valid, 1268 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:20:28,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 857 states. [2024-11-17 04:20:28,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 857 to 505. [2024-11-17 04:20:28,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 505 states, 372 states have (on average 1.521505376344086) internal successors, (566), 476 states have internal predecessors, (566), 26 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (26), 25 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-17 04:20:28,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 618 transitions. [2024-11-17 04:20:28,609 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 618 transitions. Word has length 109 [2024-11-17 04:20:28,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:20:28,610 INFO L471 AbstractCegarLoop]: Abstraction has 505 states and 618 transitions. [2024-11-17 04:20:28,610 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 32.0) internal successors, (160), 6 states have internal predecessors, (160), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-17 04:20:28,610 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 618 transitions. [2024-11-17 04:20:28,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-17 04:20:28,611 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:20:28,611 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:20:28,628 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-17 04:20:28,812 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,SelfDestructingSolverStorable21 [2024-11-17 04:20:28,812 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr119ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-17 04:20:28,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:20:28,813 INFO L85 PathProgramCache]: Analyzing trace with hash 1366848188, now seen corresponding path program 1 times [2024-11-17 04:20:28,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:20:28,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659395598] [2024-11-17 04:20:28,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:20:28,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:20:28,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:20:28,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1088403833] [2024-11-17 04:20:28,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:20:28,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:20:28,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:20:28,840 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:20:28,842 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-17 04:20:28,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:28,903 INFO L255 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 04:20:28,904 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:20:29,203 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-17 04:20:29,204 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:20:29,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:20:29,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659395598] [2024-11-17 04:20:29,226 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:20:29,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1088403833] [2024-11-17 04:20:29,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1088403833] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:20:29,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:20:29,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 04:20:29,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176796400] [2024-11-17 04:20:29,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:20:29,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:20:29,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:20:29,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:20:29,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:20:29,230 INFO L87 Difference]: Start difference. First operand 505 states and 618 transitions. Second operand has 5 states, 4 states have (on average 23.25) internal successors, (93), 5 states have internal predecessors, (93), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-17 04:20:30,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:20:30,083 INFO L93 Difference]: Finished difference Result 505 states and 618 transitions. [2024-11-17 04:20:30,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 04:20:30,083 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.25) internal successors, (93), 5 states have internal predecessors, (93), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 130 [2024-11-17 04:20:30,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:20:30,085 INFO L225 Difference]: With dead ends: 505 [2024-11-17 04:20:30,085 INFO L226 Difference]: Without dead ends: 495 [2024-11-17 04:20:30,086 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-17 04:20:30,086 INFO L432 NwaCegarLoop]: 129 mSDtfsCounter, 140 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 632 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 642 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 632 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-17 04:20:30,086 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 309 Invalid, 642 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 632 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-17 04:20:30,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2024-11-17 04:20:30,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 495. [2024-11-17 04:20:30,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 495 states, 372 states have (on average 1.4731182795698925) internal successors, (548), 466 states have internal predecessors, (548), 26 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (26), 25 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-17 04:20:30,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 495 states and 600 transitions. [2024-11-17 04:20:30,103 INFO L78 Accepts]: Start accepts. Automaton has 495 states and 600 transitions. Word has length 130 [2024-11-17 04:20:30,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:20:30,103 INFO L471 AbstractCegarLoop]: Abstraction has 495 states and 600 transitions. [2024-11-17 04:20:30,104 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.25) internal successors, (93), 5 states have internal predecessors, (93), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-17 04:20:30,104 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 600 transitions. [2024-11-17 04:20:30,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-17 04:20:30,105 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:20:30,105 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:20:30,122 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-17 04:20:30,305 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,SelfDestructingSolverStorable22 [2024-11-17 04:20:30,306 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr118ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-17 04:20:30,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:20:30,306 INFO L85 PathProgramCache]: Analyzing trace with hash -577378909, now seen corresponding path program 1 times [2024-11-17 04:20:30,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:20:30,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073861763] [2024-11-17 04:20:30,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:20:30,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:20:30,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:20:30,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [419672116] [2024-11-17 04:20:30,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:20:30,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:20:30,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:20:30,327 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:20:30,332 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-17 04:20:30,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:30,405 INFO L255 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-17 04:20:30,407 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:20:30,683 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-17 04:20:30,684 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:20:32,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:20:32,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073861763] [2024-11-17 04:20:32,207 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:20:32,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [419672116] [2024-11-17 04:20:32,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [419672116] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:20:32,207 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:20:32,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-17 04:20:32,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717691362] [2024-11-17 04:20:32,208 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:20:32,208 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:20:32,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:20:32,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:20:32,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:20:32,209 INFO L87 Difference]: Start difference. First operand 495 states and 600 transitions. Second operand has 5 states, 4 states have (on average 23.5) internal successors, (94), 5 states have internal predecessors, (94), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-17 04:20:33,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:20:33,166 INFO L93 Difference]: Finished difference Result 621 states and 759 transitions. [2024-11-17 04:20:33,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:20:33,166 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.5) internal successors, (94), 5 states have internal predecessors, (94), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 131 [2024-11-17 04:20:33,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:20:33,169 INFO L225 Difference]: With dead ends: 621 [2024-11-17 04:20:33,169 INFO L226 Difference]: Without dead ends: 598 [2024-11-17 04:20:33,169 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:20:33,170 INFO L432 NwaCegarLoop]: 293 mSDtfsCounter, 134 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 811 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 567 SdHoareTripleChecker+Invalid, 833 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 811 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-17 04:20:33,170 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 567 Invalid, 833 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 811 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-17 04:20:33,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 598 states. [2024-11-17 04:20:33,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 598 to 580. [2024-11-17 04:20:33,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 580 states, 452 states have (on average 1.4756637168141593) internal successors, (667), 546 states have internal predecessors, (667), 31 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-17 04:20:33,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 580 states and 729 transitions. [2024-11-17 04:20:33,190 INFO L78 Accepts]: Start accepts. Automaton has 580 states and 729 transitions. Word has length 131 [2024-11-17 04:20:33,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:20:33,192 INFO L471 AbstractCegarLoop]: Abstraction has 580 states and 729 transitions. [2024-11-17 04:20:33,192 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.5) internal successors, (94), 5 states have internal predecessors, (94), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-17 04:20:33,192 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 729 transitions. [2024-11-17 04:20:33,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-17 04:20:33,193 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:20:33,193 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:20:33,211 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-17 04:20:33,394 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,SelfDestructingSolverStorable23 [2024-11-17 04:20:33,394 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr117ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-17 04:20:33,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:20:33,395 INFO L85 PathProgramCache]: Analyzing trace with hash -718876774, now seen corresponding path program 1 times [2024-11-17 04:20:33,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:20:33,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739322515] [2024-11-17 04:20:33,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:20:33,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:20:33,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:33,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:20:33,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:33,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-17 04:20:33,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:33,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-17 04:20:33,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:33,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-17 04:20:33,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:33,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-17 04:20:33,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:33,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-17 04:20:33,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:33,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-17 04:20:33,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:33,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-17 04:20:33,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:33,526 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-17 04:20:33,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:20:33,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739322515] [2024-11-17 04:20:33,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739322515] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:20:33,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [411456594] [2024-11-17 04:20:33,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:20:33,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:20:33,527 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:20:33,529 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:20:33,531 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-17 04:20:33,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:33,589 INFO L255 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:20:33,590 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:20:33,808 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-17 04:20:33,809 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:20:33,993 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-17 04:20:33,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [411456594] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:20:33,993 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:20:33,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 7 [2024-11-17 04:20:33,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600510792] [2024-11-17 04:20:33,994 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:20:33,994 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-17 04:20:33,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:20:33,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-17 04:20:33,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:20:33,995 INFO L87 Difference]: Start difference. First operand 580 states and 729 transitions. Second operand has 8 states, 7 states have (on average 35.42857142857143) internal successors, (248), 8 states have internal predecessors, (248), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2024-11-17 04:20:35,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:20:35,154 INFO L93 Difference]: Finished difference Result 624 states and 736 transitions. [2024-11-17 04:20:35,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 04:20:35,155 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 35.42857142857143) internal successors, (248), 8 states have internal predecessors, (248), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) Word has length 132 [2024-11-17 04:20:35,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:20:35,157 INFO L225 Difference]: With dead ends: 624 [2024-11-17 04:20:35,157 INFO L226 Difference]: Without dead ends: 619 [2024-11-17 04:20:35,158 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 283 GetRequests, 276 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:20:35,161 INFO L432 NwaCegarLoop]: 303 mSDtfsCounter, 339 mSDsluCounter, 560 mSDsCounter, 0 mSdLazyCounter, 968 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 351 SdHoareTripleChecker+Valid, 863 SdHoareTripleChecker+Invalid, 982 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 968 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:20:35,162 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [351 Valid, 863 Invalid, 982 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 968 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-17 04:20:35,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 619 states. [2024-11-17 04:20:35,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 619 to 579. [2024-11-17 04:20:35,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 579 states, 452 states have (on average 1.4557522123893805) internal successors, (658), 545 states have internal predecessors, (658), 31 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-17 04:20:35,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 579 states and 720 transitions. [2024-11-17 04:20:35,183 INFO L78 Accepts]: Start accepts. Automaton has 579 states and 720 transitions. Word has length 132 [2024-11-17 04:20:35,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:20:35,184 INFO L471 AbstractCegarLoop]: Abstraction has 579 states and 720 transitions. [2024-11-17 04:20:35,184 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 35.42857142857143) internal successors, (248), 8 states have internal predecessors, (248), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2024-11-17 04:20:35,184 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 720 transitions. [2024-11-17 04:20:35,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-17 04:20:35,185 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:20:35,185 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:20:35,205 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-17 04:20:35,392 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,SelfDestructingSolverStorable24 [2024-11-17 04:20:35,393 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr116ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-17 04:20:35,393 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:20:35,393 INFO L85 PathProgramCache]: Analyzing trace with hash -810343295, now seen corresponding path program 1 times [2024-11-17 04:20:35,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:20:35,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364552290] [2024-11-17 04:20:35,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:20:35,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:20:35,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:35,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:20:35,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:35,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-17 04:20:35,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:35,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-17 04:20:35,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:35,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-17 04:20:35,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:35,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-17 04:20:35,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:35,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-17 04:20:35,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:35,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-17 04:20:35,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:35,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-17 04:20:35,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:35,523 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-17 04:20:35,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:20:35,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364552290] [2024-11-17 04:20:35,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364552290] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:20:35,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1901711944] [2024-11-17 04:20:35,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:20:35,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:20:35,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:20:35,527 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:20:35,529 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-17 04:20:35,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:35,586 INFO L255 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:20:35,588 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:20:35,840 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-17 04:20:35,841 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:20:36,001 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-17 04:20:36,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1901711944] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:20:36,001 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:20:36,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 7 [2024-11-17 04:20:36,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267530639] [2024-11-17 04:20:36,002 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:20:36,002 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-17 04:20:36,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:20:36,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-17 04:20:36,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:20:36,004 INFO L87 Difference]: Start difference. First operand 579 states and 720 transitions. Second operand has 8 states, 7 states have (on average 35.714285714285715) internal successors, (250), 8 states have internal predecessors, (250), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2024-11-17 04:20:37,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:20:37,516 INFO L93 Difference]: Finished difference Result 623 states and 727 transitions. [2024-11-17 04:20:37,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 04:20:37,517 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 35.714285714285715) internal successors, (250), 8 states have internal predecessors, (250), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) Word has length 133 [2024-11-17 04:20:37,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:20:37,519 INFO L225 Difference]: With dead ends: 623 [2024-11-17 04:20:37,519 INFO L226 Difference]: Without dead ends: 618 [2024-11-17 04:20:37,520 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 278 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:20:37,520 INFO L432 NwaCegarLoop]: 251 mSDtfsCounter, 337 mSDsluCounter, 746 mSDsCounter, 0 mSdLazyCounter, 1300 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 349 SdHoareTripleChecker+Valid, 997 SdHoareTripleChecker+Invalid, 1314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 1300 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-17 04:20:37,521 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [349 Valid, 997 Invalid, 1314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 1300 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-17 04:20:37,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 618 states. [2024-11-17 04:20:37,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 618 to 578. [2024-11-17 04:20:37,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 578 states, 452 states have (on average 1.4358407079646018) internal successors, (649), 544 states have internal predecessors, (649), 31 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-17 04:20:37,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 578 states and 711 transitions. [2024-11-17 04:20:37,538 INFO L78 Accepts]: Start accepts. Automaton has 578 states and 711 transitions. Word has length 133 [2024-11-17 04:20:37,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:20:37,539 INFO L471 AbstractCegarLoop]: Abstraction has 578 states and 711 transitions. [2024-11-17 04:20:37,539 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 35.714285714285715) internal successors, (250), 8 states have internal predecessors, (250), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2024-11-17 04:20:37,539 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 711 transitions. [2024-11-17 04:20:37,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-17 04:20:37,540 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:20:37,540 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:20:37,557 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-17 04:20:37,741 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:20:37,741 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr115ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-17 04:20:37,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:20:37,741 INFO L85 PathProgramCache]: Analyzing trace with hash 649161848, now seen corresponding path program 1 times [2024-11-17 04:20:37,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:20:37,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210482353] [2024-11-17 04:20:37,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:20:37,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:20:37,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:20:37,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1511218843] [2024-11-17 04:20:37,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:20:37,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:20:37,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:20:37,767 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:20:37,769 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-17 04:20:37,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:37,835 INFO L255 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-17 04:20:37,837 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:20:38,267 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-17 04:20:38,267 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:20:38,508 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-17 04:20:38,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:20:38,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210482353] [2024-11-17 04:20:38,508 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:20:38,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1511218843] [2024-11-17 04:20:38,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1511218843] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:20:38,508 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 04:20:38,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-17 04:20:38,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470594313] [2024-11-17 04:20:38,508 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 04:20:38,509 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-17 04:20:38,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:20:38,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-17 04:20:38,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:20:38,510 INFO L87 Difference]: Start difference. First operand 578 states and 711 transitions. Second operand has 10 states, 9 states have (on average 21.11111111111111) internal successors, (190), 10 states have internal predecessors, (190), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-17 04:20:49,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:20:49,351 INFO L93 Difference]: Finished difference Result 643 states and 743 transitions. [2024-11-17 04:20:49,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-17 04:20:49,351 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 21.11111111111111) internal successors, (190), 10 states have internal predecessors, (190), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 134 [2024-11-17 04:20:49,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:20:49,353 INFO L225 Difference]: With dead ends: 643 [2024-11-17 04:20:49,353 INFO L226 Difference]: Without dead ends: 548 [2024-11-17 04:20:49,353 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 258 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2024-11-17 04:20:49,354 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 680 mSDsluCounter, 425 mSDsCounter, 0 mSdLazyCounter, 1905 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 692 SdHoareTripleChecker+Valid, 543 SdHoareTripleChecker+Invalid, 1986 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 1905 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.7s IncrementalHoareTripleChecker+Time [2024-11-17 04:20:49,354 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [692 Valid, 543 Invalid, 1986 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 1905 Invalid, 0 Unknown, 0 Unchecked, 10.7s Time] [2024-11-17 04:20:49,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2024-11-17 04:20:49,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 525. [2024-11-17 04:20:49,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 525 states, 404 states have (on average 1.391089108910891) internal successors, (562), 494 states have internal predecessors, (562), 28 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-17 04:20:49,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 618 transitions. [2024-11-17 04:20:49,372 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 618 transitions. Word has length 134 [2024-11-17 04:20:49,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:20:49,373 INFO L471 AbstractCegarLoop]: Abstraction has 525 states and 618 transitions. [2024-11-17 04:20:49,373 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 21.11111111111111) internal successors, (190), 10 states have internal predecessors, (190), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-17 04:20:49,373 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 618 transitions. [2024-11-17 04:20:49,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-17 04:20:49,374 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:20:49,374 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:20:49,392 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-17 04:20:49,578 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,SelfDestructingSolverStorable26 [2024-11-17 04:20:49,579 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr78ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-17 04:20:49,579 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:20:49,579 INFO L85 PathProgramCache]: Analyzing trace with hash -1564946903, now seen corresponding path program 1 times [2024-11-17 04:20:49,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:20:49,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765190815] [2024-11-17 04:20:49,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:20:49,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:20:49,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:49,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:20:49,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:49,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-17 04:20:49,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:49,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-17 04:20:49,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:49,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-17 04:20:49,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:49,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-17 04:20:49,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:49,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-17 04:20:49,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:49,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-17 04:20:49,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:49,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-17 04:20:49,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:49,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-17 04:20:49,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:49,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-17 04:20:49,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:49,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-17 04:20:49,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:49,705 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-17 04:20:49,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:20:49,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765190815] [2024-11-17 04:20:49,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765190815] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:20:49,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1955545934] [2024-11-17 04:20:49,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:20:49,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:20:49,706 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:20:49,708 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:20:49,709 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-17 04:20:49,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:49,772 INFO L255 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:20:49,774 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:20:49,940 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-17 04:20:49,940 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:20:50,136 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-17 04:20:50,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1955545934] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:20:50,137 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:20:50,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2024-11-17 04:20:50,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950258791] [2024-11-17 04:20:50,137 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:20:50,138 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-17 04:20:50,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:20:50,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-17 04:20:50,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:20:50,139 INFO L87 Difference]: Start difference. First operand 525 states and 618 transitions. Second operand has 9 states, 8 states have (on average 38.25) internal successors, (306), 9 states have internal predecessors, (306), 7 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 7 states have call predecessors, (27), 7 states have call successors, (27) [2024-11-17 04:20:50,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:20:50,786 INFO L93 Difference]: Finished difference Result 699 states and 783 transitions. [2024-11-17 04:20:50,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-17 04:20:50,787 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 38.25) internal successors, (306), 9 states have internal predecessors, (306), 7 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 7 states have call predecessors, (27), 7 states have call successors, (27) Word has length 179 [2024-11-17 04:20:50,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:20:50,789 INFO L225 Difference]: With dead ends: 699 [2024-11-17 04:20:50,790 INFO L226 Difference]: Without dead ends: 697 [2024-11-17 04:20:50,790 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 387 GetRequests, 375 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182 [2024-11-17 04:20:50,790 INFO L432 NwaCegarLoop]: 208 mSDtfsCounter, 1068 mSDsluCounter, 692 mSDsCounter, 0 mSdLazyCounter, 474 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1068 SdHoareTripleChecker+Valid, 900 SdHoareTripleChecker+Invalid, 522 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 474 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-17 04:20:50,791 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1068 Valid, 900 Invalid, 522 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 474 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-17 04:20:50,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 697 states. [2024-11-17 04:20:50,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 697 to 523. [2024-11-17 04:20:50,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 523 states, 404 states have (on average 1.3762376237623761) internal successors, (556), 492 states have internal predecessors, (556), 28 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-17 04:20:50,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 612 transitions. [2024-11-17 04:20:50,809 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 612 transitions. Word has length 179 [2024-11-17 04:20:50,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:20:50,811 INFO L471 AbstractCegarLoop]: Abstraction has 523 states and 612 transitions. [2024-11-17 04:20:50,812 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 38.25) internal successors, (306), 9 states have internal predecessors, (306), 7 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 7 states have call predecessors, (27), 7 states have call successors, (27) [2024-11-17 04:20:50,812 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 612 transitions. [2024-11-17 04:20:50,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-17 04:20:50,813 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:20:50,813 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:20:50,831 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-17 04:20:51,015 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,SelfDestructingSolverStorable27 [2024-11-17 04:20:51,015 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr77ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-17 04:20:51,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:20:51,016 INFO L85 PathProgramCache]: Analyzing trace with hash -1268713605, now seen corresponding path program 1 times [2024-11-17 04:20:51,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:20:51,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528498308] [2024-11-17 04:20:51,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:20:51,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:20:51,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:20:51,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [864446997] [2024-11-17 04:20:51,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:20:51,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:20:51,047 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:20:51,052 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:20:51,059 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-17 04:20:51,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:51,129 INFO L255 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-17 04:20:51,131 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:20:51,578 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-17 04:20:51,578 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:20:52,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:20:52,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528498308] [2024-11-17 04:20:52,669 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:20:52,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [864446997] [2024-11-17 04:20:52,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [864446997] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:20:52,669 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:20:52,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-17 04:20:52,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882142132] [2024-11-17 04:20:52,669 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:20:52,670 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:20:52,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:20:52,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:20:52,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:20:52,670 INFO L87 Difference]: Start difference. First operand 523 states and 612 transitions. Second operand has 5 states, 4 states have (on average 32.0) internal successors, (128), 5 states have internal predecessors, (128), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-17 04:20:53,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:20:53,521 INFO L93 Difference]: Finished difference Result 524 states and 612 transitions. [2024-11-17 04:20:53,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 04:20:53,521 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 32.0) internal successors, (128), 5 states have internal predecessors, (128), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 180 [2024-11-17 04:20:53,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:20:53,523 INFO L225 Difference]: With dead ends: 524 [2024-11-17 04:20:53,524 INFO L226 Difference]: Without dead ends: 523 [2024-11-17 04:20:53,524 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 284 GetRequests, 276 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:20:53,524 INFO L432 NwaCegarLoop]: 272 mSDtfsCounter, 36 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 786 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 555 SdHoareTripleChecker+Invalid, 787 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 786 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-17 04:20:53,524 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 555 Invalid, 787 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 786 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-17 04:20:53,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 523 states. [2024-11-17 04:20:53,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 523 to 523. [2024-11-17 04:20:53,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 523 states, 404 states have (on average 1.3737623762376239) internal successors, (555), 492 states have internal predecessors, (555), 28 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-17 04:20:53,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 611 transitions. [2024-11-17 04:20:53,553 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 611 transitions. Word has length 180 [2024-11-17 04:20:53,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:20:53,554 INFO L471 AbstractCegarLoop]: Abstraction has 523 states and 611 transitions. [2024-11-17 04:20:53,554 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 32.0) internal successors, (128), 5 states have internal predecessors, (128), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-17 04:20:53,554 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 611 transitions. [2024-11-17 04:20:53,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-17 04:20:53,555 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:20:53,555 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-17 04:20:53,573 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-17 04:20:53,756 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,SelfDestructingSolverStorable28 [2024-11-17 04:20:53,756 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr84ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-17 04:20:53,757 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:20:53,757 INFO L85 PathProgramCache]: Analyzing trace with hash 441518450, now seen corresponding path program 1 times [2024-11-17 04:20:53,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:20:53,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536031567] [2024-11-17 04:20:53,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:20:53,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:20:53,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:53,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:20:53,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:53,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-17 04:20:53,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:53,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-17 04:20:53,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:53,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-17 04:20:53,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:53,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-17 04:20:53,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:53,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-17 04:20:53,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:53,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-17 04:20:53,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:53,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-17 04:20:53,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:53,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-17 04:20:53,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:53,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-17 04:20:53,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:53,851 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2024-11-17 04:20:53,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:20:53,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536031567] [2024-11-17 04:20:53,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536031567] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:20:53,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:20:53,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:20:53,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248798367] [2024-11-17 04:20:53,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:20:53,853 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:20:53,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:20:53,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:20:53,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:20:53,854 INFO L87 Difference]: Start difference. First operand 523 states and 611 transitions. Second operand has 3 states, 2 states have (on average 49.0) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-17 04:20:54,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:20:54,760 INFO L93 Difference]: Finished difference Result 527 states and 611 transitions. [2024-11-17 04:20:54,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:20:54,761 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 49.0) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 179 [2024-11-17 04:20:54,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:20:54,762 INFO L225 Difference]: With dead ends: 527 [2024-11-17 04:20:54,763 INFO L226 Difference]: Without dead ends: 524 [2024-11-17 04:20:54,763 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:20:54,763 INFO L432 NwaCegarLoop]: 163 mSDtfsCounter, 133 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 235 SdHoareTripleChecker+Invalid, 240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-17 04:20:54,764 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 235 Invalid, 240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 236 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-17 04:20:54,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2024-11-17 04:20:54,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 521. [2024-11-17 04:20:54,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 521 states, 404 states have (on average 1.363861386138614) internal successors, (551), 490 states have internal predecessors, (551), 28 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-17 04:20:54,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 521 states and 607 transitions. [2024-11-17 04:20:54,782 INFO L78 Accepts]: Start accepts. Automaton has 521 states and 607 transitions. Word has length 179 [2024-11-17 04:20:54,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:20:54,783 INFO L471 AbstractCegarLoop]: Abstraction has 521 states and 607 transitions. [2024-11-17 04:20:54,783 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 49.0) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-17 04:20:54,783 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 607 transitions. [2024-11-17 04:20:54,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-17 04:20:54,784 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:20:54,784 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:20:54,784 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-17 04:20:54,785 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr76ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-17 04:20:54,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:20:54,785 INFO L85 PathProgramCache]: Analyzing trace with hash -675415961, now seen corresponding path program 1 times [2024-11-17 04:20:54,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:20:54,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048134691] [2024-11-17 04:20:54,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:20:54,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:20:54,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:20:54,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [783179435] [2024-11-17 04:20:54,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:20:54,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:20:54,808 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:20:54,810 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:20:54,812 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-17 04:20:54,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:54,882 INFO L255 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-17 04:20:54,885 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:20:55,282 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-17 04:20:55,283 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:20:55,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:20:55,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048134691] [2024-11-17 04:20:55,546 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:20:55,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [783179435] [2024-11-17 04:20:55,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [783179435] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:20:55,547 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:20:55,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-17 04:20:55,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199011051] [2024-11-17 04:20:55,547 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:20:55,547 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 04:20:55,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:20:55,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 04:20:55,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:20:55,556 INFO L87 Difference]: Start difference. First operand 521 states and 607 transitions. Second operand has 6 states, 5 states have (on average 25.8) internal successors, (129), 6 states have internal predecessors, (129), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-17 04:20:56,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:20:56,342 INFO L93 Difference]: Finished difference Result 532 states and 607 transitions. [2024-11-17 04:20:56,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 04:20:56,342 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 25.8) internal successors, (129), 6 states have internal predecessors, (129), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 181 [2024-11-17 04:20:56,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:20:56,344 INFO L225 Difference]: With dead ends: 532 [2024-11-17 04:20:56,344 INFO L226 Difference]: Without dead ends: 531 [2024-11-17 04:20:56,345 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:20:56,345 INFO L432 NwaCegarLoop]: 245 mSDtfsCounter, 71 mSDsluCounter, 409 mSDsCounter, 0 mSdLazyCounter, 1003 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 654 SdHoareTripleChecker+Invalid, 1007 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1003 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-17 04:20:56,345 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 654 Invalid, 1007 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1003 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-17 04:20:56,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states. [2024-11-17 04:20:56,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 521. [2024-11-17 04:20:56,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 521 states, 404 states have (on average 1.3613861386138615) internal successors, (550), 490 states have internal predecessors, (550), 28 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-17 04:20:56,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 521 states and 606 transitions. [2024-11-17 04:20:56,360 INFO L78 Accepts]: Start accepts. Automaton has 521 states and 606 transitions. Word has length 181 [2024-11-17 04:20:56,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:20:56,360 INFO L471 AbstractCegarLoop]: Abstraction has 521 states and 606 transitions. [2024-11-17 04:20:56,361 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 25.8) internal successors, (129), 6 states have internal predecessors, (129), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-17 04:20:56,361 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 606 transitions. [2024-11-17 04:20:56,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-17 04:20:56,361 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:20:56,362 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:20:56,376 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-11-17 04:20:56,562 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:20:56,562 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr73ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-17 04:20:56,563 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:20:56,563 INFO L85 PathProgramCache]: Analyzing trace with hash 605014647, now seen corresponding path program 1 times [2024-11-17 04:20:56,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:20:56,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624316643] [2024-11-17 04:20:56,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:20:56,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:20:56,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:20:56,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1031032569] [2024-11-17 04:20:56,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:20:56,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:20:56,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:20:56,587 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:20:56,589 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-17 04:20:56,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:56,657 INFO L255 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-17 04:20:56,659 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:20:57,317 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-17 04:20:57,317 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:20:57,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:20:57,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624316643] [2024-11-17 04:20:57,944 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:20:57,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1031032569] [2024-11-17 04:20:57,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1031032569] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:20:57,944 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:20:57,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-17 04:20:57,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125474087] [2024-11-17 04:20:57,944 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:20:57,945 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 04:20:57,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:20:57,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 04:20:57,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:20:57,946 INFO L87 Difference]: Start difference. First operand 521 states and 606 transitions. Second operand has 6 states, 5 states have (on average 26.4) internal successors, (132), 6 states have internal predecessors, (132), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-17 04:20:58,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:20:58,803 INFO L93 Difference]: Finished difference Result 525 states and 606 transitions. [2024-11-17 04:20:58,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 04:20:58,804 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 26.4) internal successors, (132), 6 states have internal predecessors, (132), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 184 [2024-11-17 04:20:58,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:20:58,805 INFO L225 Difference]: With dead ends: 525 [2024-11-17 04:20:58,805 INFO L226 Difference]: Without dead ends: 521 [2024-11-17 04:20:58,806 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 291 GetRequests, 282 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-17 04:20:58,806 INFO L432 NwaCegarLoop]: 245 mSDtfsCounter, 30 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 1193 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 489 SdHoareTripleChecker+Invalid, 1196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-17 04:20:58,806 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 489 Invalid, 1196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1193 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-17 04:20:58,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 521 states. [2024-11-17 04:20:58,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 521 to 521. [2024-11-17 04:20:58,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 521 states, 404 states have (on average 1.3514851485148516) internal successors, (546), 490 states have internal predecessors, (546), 28 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-17 04:20:58,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 521 states and 602 transitions. [2024-11-17 04:20:58,824 INFO L78 Accepts]: Start accepts. Automaton has 521 states and 602 transitions. Word has length 184 [2024-11-17 04:20:58,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:20:58,825 INFO L471 AbstractCegarLoop]: Abstraction has 521 states and 602 transitions. [2024-11-17 04:20:58,825 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 26.4) internal successors, (132), 6 states have internal predecessors, (132), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-17 04:20:58,825 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 602 transitions. [2024-11-17 04:20:58,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-11-17 04:20:58,826 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:20:58,826 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:20:58,842 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-11-17 04:20:59,030 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:20:59,030 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr72ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-17 04:20:59,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:20:59,031 INFO L85 PathProgramCache]: Analyzing trace with hash 1575584995, now seen corresponding path program 1 times [2024-11-17 04:20:59,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:20:59,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266633524] [2024-11-17 04:20:59,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:20:59,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:20:59,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:20:59,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1765400232] [2024-11-17 04:20:59,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:20:59,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:20:59,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:20:59,053 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:20:59,055 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-17 04:20:59,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:20:59,122 INFO L255 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-17 04:20:59,124 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:20:59,558 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-17 04:20:59,558 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:20:59,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:20:59,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266633524] [2024-11-17 04:20:59,855 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:20:59,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1765400232] [2024-11-17 04:20:59,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1765400232] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:20:59,856 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:20:59,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-17 04:20:59,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287422918] [2024-11-17 04:20:59,856 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:20:59,856 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 04:20:59,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:20:59,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 04:20:59,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:20:59,857 INFO L87 Difference]: Start difference. First operand 521 states and 602 transitions. Second operand has 6 states, 5 states have (on average 26.6) internal successors, (133), 6 states have internal predecessors, (133), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-17 04:21:00,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:21:00,476 INFO L93 Difference]: Finished difference Result 525 states and 602 transitions. [2024-11-17 04:21:00,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 04:21:00,476 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 26.6) internal successors, (133), 6 states have internal predecessors, (133), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 185 [2024-11-17 04:21:00,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:21:00,478 INFO L225 Difference]: With dead ends: 525 [2024-11-17 04:21:00,478 INFO L226 Difference]: Without dead ends: 521 [2024-11-17 04:21:00,478 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:21:00,478 INFO L432 NwaCegarLoop]: 271 mSDtfsCounter, 46 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 797 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 574 SdHoareTripleChecker+Invalid, 801 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 797 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-17 04:21:00,479 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 574 Invalid, 801 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 797 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-17 04:21:00,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 521 states. [2024-11-17 04:21:00,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 521 to 521. [2024-11-17 04:21:00,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 521 states, 404 states have (on average 1.3415841584158417) internal successors, (542), 490 states have internal predecessors, (542), 28 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-17 04:21:00,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 521 states and 598 transitions. [2024-11-17 04:21:00,499 INFO L78 Accepts]: Start accepts. Automaton has 521 states and 598 transitions. Word has length 185 [2024-11-17 04:21:00,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:21:00,499 INFO L471 AbstractCegarLoop]: Abstraction has 521 states and 598 transitions. [2024-11-17 04:21:00,499 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 26.6) internal successors, (133), 6 states have internal predecessors, (133), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-17 04:21:00,499 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 598 transitions. [2024-11-17 04:21:00,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-17 04:21:00,500 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:21:00,501 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:21:00,518 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-17 04:21:00,701 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,SelfDestructingSolverStorable32 [2024-11-17 04:21:00,701 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr77ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-17 04:21:00,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:21:00,702 INFO L85 PathProgramCache]: Analyzing trace with hash -1805249923, now seen corresponding path program 1 times [2024-11-17 04:21:00,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:21:00,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555675493] [2024-11-17 04:21:00,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:00,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:21:00,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:21:00,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [772739668] [2024-11-17 04:21:00,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:00,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:21:00,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:21:00,735 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) [2024-11-17 04:21:00,740 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-17 04:21:00,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:00,805 INFO L255 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-17 04:21:00,807 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:21:01,508 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 0 proven. 79 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-17 04:21:01,508 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:21:02,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:21:02,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555675493] [2024-11-17 04:21:02,265 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:21:02,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [772739668] [2024-11-17 04:21:02,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [772739668] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:21:02,265 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:21:02,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-17 04:21:02,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312964191] [2024-11-17 04:21:02,266 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:21:02,266 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-17 04:21:02,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:21:02,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-17 04:21:02,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-17 04:21:02,267 INFO L87 Difference]: Start difference. First operand 521 states and 598 transitions. Second operand has 8 states, 7 states have (on average 20.714285714285715) internal successors, (145), 8 states have internal predecessors, (145), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-17 04:21:04,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:21:04,728 INFO L93 Difference]: Finished difference Result 521 states and 598 transitions. [2024-11-17 04:21:04,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-17 04:21:04,728 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 20.714285714285715) internal successors, (145), 8 states have internal predecessors, (145), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 197 [2024-11-17 04:21:04,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:21:04,730 INFO L225 Difference]: With dead ends: 521 [2024-11-17 04:21:04,730 INFO L226 Difference]: Without dead ends: 511 [2024-11-17 04:21:04,730 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 218 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=84, Invalid=188, Unknown=0, NotChecked=0, Total=272 [2024-11-17 04:21:04,730 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 609 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 1533 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 609 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 1587 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 1533 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:21:04,731 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [609 Valid, 239 Invalid, 1587 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 1533 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-17 04:21:04,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2024-11-17 04:21:04,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 511. [2024-11-17 04:21:04,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 511 states, 404 states have (on average 1.3044554455445545) internal successors, (527), 480 states have internal predecessors, (527), 28 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-17 04:21:04,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 511 states and 583 transitions. [2024-11-17 04:21:04,747 INFO L78 Accepts]: Start accepts. Automaton has 511 states and 583 transitions. Word has length 197 [2024-11-17 04:21:04,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:21:04,748 INFO L471 AbstractCegarLoop]: Abstraction has 511 states and 583 transitions. [2024-11-17 04:21:04,748 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 20.714285714285715) internal successors, (145), 8 states have internal predecessors, (145), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-17 04:21:04,748 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 583 transitions. [2024-11-17 04:21:04,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-17 04:21:04,749 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:21:04,749 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:21:04,767 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-11-17 04:21:04,950 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2024-11-17 04:21:04,950 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr76ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-17 04:21:04,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:21:04,950 INFO L85 PathProgramCache]: Analyzing trace with hash -128172635, now seen corresponding path program 1 times [2024-11-17 04:21:04,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:21:04,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348570141] [2024-11-17 04:21:04,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:04,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:21:04,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:21:04,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [535555599] [2024-11-17 04:21:04,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:04,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:21:04,983 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:21:04,985 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:21:04,986 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-17 04:21:05,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:05,057 INFO L255 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-17 04:21:05,060 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:21:06,145 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 0 proven. 79 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-17 04:21:06,145 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:21:06,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:21:06,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348570141] [2024-11-17 04:21:06,687 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:21:06,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [535555599] [2024-11-17 04:21:06,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [535555599] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:21:06,688 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:21:06,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-17 04:21:06,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125569564] [2024-11-17 04:21:06,688 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:21:06,688 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-17 04:21:06,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:21:06,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-17 04:21:06,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2024-11-17 04:21:06,689 INFO L87 Difference]: Start difference. First operand 511 states and 583 transitions. Second operand has 9 states, 8 states have (on average 18.25) internal successors, (146), 9 states have internal predecessors, (146), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-17 04:21:08,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:21:08,084 INFO L93 Difference]: Finished difference Result 753 states and 917 transitions. [2024-11-17 04:21:08,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-17 04:21:08,084 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 18.25) internal successors, (146), 9 states have internal predecessors, (146), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 198 [2024-11-17 04:21:08,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:21:08,087 INFO L225 Difference]: With dead ends: 753 [2024-11-17 04:21:08,088 INFO L226 Difference]: Without dead ends: 748 [2024-11-17 04:21:08,088 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2024-11-17 04:21:08,088 INFO L432 NwaCegarLoop]: 189 mSDtfsCounter, 197 mSDsluCounter, 356 mSDsCounter, 0 mSdLazyCounter, 2005 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 545 SdHoareTripleChecker+Invalid, 2010 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 2005 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:21:08,089 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [208 Valid, 545 Invalid, 2010 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 2005 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-17 04:21:08,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 748 states. [2024-11-17 04:21:08,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 748 to 606. [2024-11-17 04:21:08,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 606 states, 491 states have (on average 1.3340122199592668) internal successors, (655), 567 states have internal predecessors, (655), 36 states have call successors, (36), 3 states have call predecessors, (36), 3 states have return successors, (36), 35 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-17 04:21:08,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 606 states and 727 transitions. [2024-11-17 04:21:08,116 INFO L78 Accepts]: Start accepts. Automaton has 606 states and 727 transitions. Word has length 198 [2024-11-17 04:21:08,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:21:08,117 INFO L471 AbstractCegarLoop]: Abstraction has 606 states and 727 transitions. [2024-11-17 04:21:08,117 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 18.25) internal successors, (146), 9 states have internal predecessors, (146), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-17 04:21:08,117 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states and 727 transitions. [2024-11-17 04:21:08,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-11-17 04:21:08,120 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:21:08,122 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:21:08,139 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-11-17 04:21:08,323 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:21:08,323 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr74ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-17 04:21:08,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:21:08,323 INFO L85 PathProgramCache]: Analyzing trace with hash 1380153443, now seen corresponding path program 1 times [2024-11-17 04:21:08,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:21:08,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090754241] [2024-11-17 04:21:08,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:08,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:21:08,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:21:08,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [185282278] [2024-11-17 04:21:08,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:08,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:21:08,343 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:21:08,345 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:21:08,347 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-17 04:21:08,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:08,424 INFO L255 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-17 04:21:08,426 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:21:09,106 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 0 proven. 79 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-17 04:21:09,106 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:21:09,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:21:09,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090754241] [2024-11-17 04:21:09,825 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:21:09,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [185282278] [2024-11-17 04:21:09,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [185282278] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:21:09,825 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:21:09,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-17 04:21:09,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919068026] [2024-11-17 04:21:09,826 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:21:09,826 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-17 04:21:09,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:21:09,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-17 04:21:09,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2024-11-17 04:21:09,826 INFO L87 Difference]: Start difference. First operand 606 states and 727 transitions. Second operand has 9 states, 8 states have (on average 18.5) internal successors, (148), 9 states have internal predecessors, (148), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-17 04:21:10,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:21:10,932 INFO L93 Difference]: Finished difference Result 739 states and 911 transitions. [2024-11-17 04:21:10,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-17 04:21:10,933 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 18.5) internal successors, (148), 9 states have internal predecessors, (148), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 200 [2024-11-17 04:21:10,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:21:10,935 INFO L225 Difference]: With dead ends: 739 [2024-11-17 04:21:10,936 INFO L226 Difference]: Without dead ends: 727 [2024-11-17 04:21:10,936 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2024-11-17 04:21:10,936 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 169 mSDsluCounter, 649 mSDsCounter, 0 mSdLazyCounter, 2317 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 820 SdHoareTripleChecker+Invalid, 2328 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 2317 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:21:10,937 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 820 Invalid, 2328 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 2317 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-17 04:21:10,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 727 states. [2024-11-17 04:21:10,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 727 to 686. [2024-11-17 04:21:10,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 686 states, 567 states have (on average 1.3386243386243386) internal successors, (759), 643 states have internal predecessors, (759), 40 states have call successors, (40), 3 states have call predecessors, (40), 3 states have return successors, (40), 39 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-17 04:21:10,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 686 states and 839 transitions. [2024-11-17 04:21:10,963 INFO L78 Accepts]: Start accepts. Automaton has 686 states and 839 transitions. Word has length 200 [2024-11-17 04:21:10,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:21:10,964 INFO L471 AbstractCegarLoop]: Abstraction has 686 states and 839 transitions. [2024-11-17 04:21:10,964 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 18.5) internal successors, (148), 9 states have internal predecessors, (148), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-17 04:21:10,964 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 839 transitions. [2024-11-17 04:21:10,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2024-11-17 04:21:10,965 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:21:10,965 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:21:10,983 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-11-17 04:21:11,166 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:21:11,166 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr73ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-17 04:21:11,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:21:11,166 INFO L85 PathProgramCache]: Analyzing trace with hash -164916103, now seen corresponding path program 1 times [2024-11-17 04:21:11,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:21:11,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833793506] [2024-11-17 04:21:11,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:11,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:21:11,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:21:11,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [309303496] [2024-11-17 04:21:11,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:11,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:21:11,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:21:11,189 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:21:11,190 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-17 04:21:11,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:11,261 INFO L255 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-17 04:21:11,264 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:21:12,736 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 0 proven. 79 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-17 04:21:12,736 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:21:13,783 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 0 proven. 79 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-17 04:21:13,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:21:13,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833793506] [2024-11-17 04:21:13,783 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:21:13,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [309303496] [2024-11-17 04:21:13,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [309303496] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:21:13,783 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 04:21:13,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2024-11-17 04:21:13,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576052010] [2024-11-17 04:21:13,784 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 04:21:13,784 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-17 04:21:13,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:21:13,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-17 04:21:13,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2024-11-17 04:21:13,786 INFO L87 Difference]: Start difference. First operand 686 states and 839 transitions. Second operand has 16 states, 15 states have (on average 19.6) internal successors, (294), 16 states have internal predecessors, (294), 6 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) [2024-11-17 04:21:28,595 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers []