./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-tiling/pnr4.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-tiling/pnr4.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 c2f943c7ce97bf9be3e11b9d2df150d740ebe8f456342884d8ad0d40610fb008 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 12:52:23,102 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 12:52:23,155 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-13 12:52:23,163 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 12:52:23,164 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 12:52:23,183 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 12:52:23,183 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 12:52:23,184 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 12:52:23,184 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 12:52:23,184 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 12:52:23,184 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 12:52:23,185 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 12:52:23,186 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 12:52:23,187 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 12:52:23,187 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 12:52:23,188 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 12:52:23,188 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 12:52:23,188 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 12:52:23,188 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 12:52:23,188 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 12:52:23,189 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 12:52:23,192 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 12:52:23,192 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 12:52:23,192 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 12:52:23,192 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 12:52:23,192 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-13 12:52:23,192 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 12:52:23,193 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 12:52:23,193 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 12:52:23,193 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 12:52:23,193 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 12:52:23,193 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 12:52:23,193 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 12:52:23,193 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 12:52:23,194 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 12:52:23,194 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 12:52:23,194 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 12:52:23,194 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 12:52:23,194 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 12:52:23,194 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 12:52:23,195 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 12:52:23,195 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 12:52:23,195 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 12:52:23,196 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 12:52:23,196 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2f943c7ce97bf9be3e11b9d2df150d740ebe8f456342884d8ad0d40610fb008 [2024-10-13 12:52:23,381 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 12:52:23,402 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 12:52:23,404 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 12:52:23,405 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 12:52:23,406 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 12:52:23,406 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-tiling/pnr4.c [2024-10-13 12:52:24,557 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 12:52:24,691 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 12:52:24,691 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-tiling/pnr4.c [2024-10-13 12:52:24,697 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52013fbad/36a9dc7af6e242939f8acbec2c5aad81/FLAGd8e034e4b [2024-10-13 12:52:25,116 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52013fbad/36a9dc7af6e242939f8acbec2c5aad81 [2024-10-13 12:52:25,118 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 12:52:25,119 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 12:52:25,120 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 12:52:25,120 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 12:52:25,124 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 12:52:25,124 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:52:25" (1/1) ... [2024-10-13 12:52:25,125 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6761f42b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:52:25, skipping insertion in model container [2024-10-13 12:52:25,125 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:52:25" (1/1) ... [2024-10-13 12:52:25,140 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 12:52:25,279 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 12:52:25,285 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 12:52:25,302 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 12:52:25,313 INFO L204 MainTranslator]: Completed translation [2024-10-13 12:52:25,313 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:52:25 WrapperNode [2024-10-13 12:52:25,314 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 12:52:25,314 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 12:52:25,314 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 12:52:25,315 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 12:52:25,319 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:52:25" (1/1) ... [2024-10-13 12:52:25,324 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:52:25" (1/1) ... [2024-10-13 12:52:25,341 INFO L138 Inliner]: procedures = 17, calls = 31, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 131 [2024-10-13 12:52:25,341 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 12:52:25,342 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 12:52:25,342 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 12:52:25,342 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 12:52:25,362 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:52:25" (1/1) ... [2024-10-13 12:52:25,362 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:52:25" (1/1) ... [2024-10-13 12:52:25,364 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:52:25" (1/1) ... [2024-10-13 12:52:25,377 INFO L175 MemorySlicer]: Split 18 memory accesses to 3 slices as follows [2, 7, 9]. 50 percent of accesses are in the largest equivalence class. The 9 initializations are split as follows [2, 7, 0]. The 8 writes are split as follows [0, 0, 8]. [2024-10-13 12:52:25,377 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:52:25" (1/1) ... [2024-10-13 12:52:25,378 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:52:25" (1/1) ... [2024-10-13 12:52:25,386 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:52:25" (1/1) ... [2024-10-13 12:52:25,392 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:52:25" (1/1) ... [2024-10-13 12:52:25,394 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:52:25" (1/1) ... [2024-10-13 12:52:25,394 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:52:25" (1/1) ... [2024-10-13 12:52:25,396 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 12:52:25,396 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 12:52:25,397 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 12:52:25,397 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 12:52:25,397 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:52:25" (1/1) ... [2024-10-13 12:52:25,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 12:52:25,409 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 12:52:25,421 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-13 12:52:25,425 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-13 12:52:25,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 12:52:25,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 12:52:25,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-13 12:52:25,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-13 12:52:25,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-13 12:52:25,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-13 12:52:25,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-13 12:52:25,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-13 12:52:25,464 INFO L130 BoogieDeclarations]: Found specification of procedure ReadFromPort [2024-10-13 12:52:25,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadFromPort [2024-10-13 12:52:25,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 12:52:25,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 12:52:25,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-13 12:52:25,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-13 12:52:25,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-13 12:52:25,531 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 12:52:25,532 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 12:52:25,758 INFO L? ?]: Removed 57 outVars from TransFormulas that were not future-live. [2024-10-13 12:52:25,758 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 12:52:25,784 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 12:52:25,784 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-13 12:52:25,785 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:52:25 BoogieIcfgContainer [2024-10-13 12:52:25,785 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 12:52:25,788 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 12:52:25,788 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 12:52:25,791 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 12:52:25,791 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:52:25" (1/3) ... [2024-10-13 12:52:25,791 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@436b11f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:52:25, skipping insertion in model container [2024-10-13 12:52:25,791 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:52:25" (2/3) ... [2024-10-13 12:52:25,792 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@436b11f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:52:25, skipping insertion in model container [2024-10-13 12:52:25,792 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:52:25" (3/3) ... [2024-10-13 12:52:25,793 INFO L112 eAbstractionObserver]: Analyzing ICFG pnr4.c [2024-10-13 12:52:25,806 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 12:52:25,806 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 38 error locations. [2024-10-13 12:52:25,847 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 12:52:25,852 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;@16fea739, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 12:52:25,852 INFO L334 AbstractCegarLoop]: Starting to check reachability of 38 error locations. [2024-10-13 12:52:25,856 INFO L276 IsEmpty]: Start isEmpty. Operand has 105 states, 61 states have (on average 1.819672131147541) internal successors, (111), 99 states have internal predecessors, (111), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-13 12:52:25,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-13 12:52:25,862 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:52:25,862 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-13 12:52:25,863 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2024-10-13 12:52:25,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:52:25,870 INFO L85 PathProgramCache]: Analyzing trace with hash 1895768408, now seen corresponding path program 1 times [2024-10-13 12:52:25,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:52:25,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701579581] [2024-10-13 12:52:25,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:52:25,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:52:25,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:26,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 12:52:26,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:52:26,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701579581] [2024-10-13 12:52:26,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [701579581] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:52:26,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 12:52:26,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 12:52:26,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604844994] [2024-10-13 12:52:26,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:52:26,173 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 12:52:26,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:52:26,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 12:52:26,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 12:52:26,213 INFO L87 Difference]: Start difference. First operand has 105 states, 61 states have (on average 1.819672131147541) internal successors, (111), 99 states have internal predecessors, (111), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:52:26,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:52:26,291 INFO L93 Difference]: Finished difference Result 210 states and 234 transitions. [2024-10-13 12:52:26,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 12:52:26,293 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-10-13 12:52:26,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:52:26,298 INFO L225 Difference]: With dead ends: 210 [2024-10-13 12:52:26,298 INFO L226 Difference]: Without dead ends: 100 [2024-10-13 12:52:26,304 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 12:52:26,308 INFO L432 NwaCegarLoop]: 102 mSDtfsCounter, 109 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 12:52:26,309 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 104 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 12:52:26,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2024-10-13 12:52:26,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2024-10-13 12:52:26,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 58 states have (on average 1.7241379310344827) internal successors, (100), 94 states have internal predecessors, (100), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-13 12:52:26,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 108 transitions. [2024-10-13 12:52:26,341 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 108 transitions. Word has length 6 [2024-10-13 12:52:26,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:52:26,341 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 108 transitions. [2024-10-13 12:52:26,342 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:52:26,342 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 108 transitions. [2024-10-13 12:52:26,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-13 12:52:26,342 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:52:26,342 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:52:26,342 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 12:52:26,343 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2024-10-13 12:52:26,344 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:52:26,344 INFO L85 PathProgramCache]: Analyzing trace with hash -1360721440, now seen corresponding path program 1 times [2024-10-13 12:52:26,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:52:26,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273209033] [2024-10-13 12:52:26,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:52:26,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:52:26,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:26,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 12:52:26,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:52:26,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273209033] [2024-10-13 12:52:26,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1273209033] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:52:26,520 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 12:52:26,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 12:52:26,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056195685] [2024-10-13 12:52:26,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:52:26,521 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 12:52:26,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:52:26,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 12:52:26,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-13 12:52:26,524 INFO L87 Difference]: Start difference. First operand 100 states and 108 transitions. Second operand has 5 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:52:26,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:52:26,616 INFO L93 Difference]: Finished difference Result 100 states and 108 transitions. [2024-10-13 12:52:26,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 12:52:26,619 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-10-13 12:52:26,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:52:26,620 INFO L225 Difference]: With dead ends: 100 [2024-10-13 12:52:26,620 INFO L226 Difference]: Without dead ends: 99 [2024-10-13 12:52:26,621 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-10-13 12:52:26,621 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 284 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 284 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 12:52:26,622 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [284 Valid, 97 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 12:52:26,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2024-10-13 12:52:26,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2024-10-13 12:52:26,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 58 states have (on average 1.706896551724138) internal successors, (99), 93 states have internal predecessors, (99), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-13 12:52:26,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 107 transitions. [2024-10-13 12:52:26,635 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 107 transitions. Word has length 7 [2024-10-13 12:52:26,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:52:26,635 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 107 transitions. [2024-10-13 12:52:26,636 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:52:26,636 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 107 transitions. [2024-10-13 12:52:26,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-10-13 12:52:26,638 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:52:26,639 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:52:26,639 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 12:52:26,639 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2024-10-13 12:52:26,641 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:52:26,641 INFO L85 PathProgramCache]: Analyzing trace with hash -19845541, now seen corresponding path program 1 times [2024-10-13 12:52:26,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:52:26,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583535081] [2024-10-13 12:52:26,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:52:26,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:52:26,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:26,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 12:52:26,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:52:26,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583535081] [2024-10-13 12:52:26,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [583535081] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:52:26,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 12:52:26,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 12:52:26,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182753326] [2024-10-13 12:52:26,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:52:26,699 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 12:52:26,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:52:26,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 12:52:26,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 12:52:26,699 INFO L87 Difference]: Start difference. First operand 99 states and 107 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:52:26,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:52:26,815 INFO L93 Difference]: Finished difference Result 106 states and 114 transitions. [2024-10-13 12:52:26,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 12:52:26,816 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 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 13 [2024-10-13 12:52:26,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:52:26,817 INFO L225 Difference]: With dead ends: 106 [2024-10-13 12:52:26,817 INFO L226 Difference]: Without dead ends: 104 [2024-10-13 12:52:26,817 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 12:52:26,818 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 1 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 12:52:26,818 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 230 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 12:52:26,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-10-13 12:52:26,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2024-10-13 12:52:26,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 63 states have (on average 1.6507936507936507) internal successors, (104), 98 states have internal predecessors, (104), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-13 12:52:26,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 112 transitions. [2024-10-13 12:52:26,831 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 112 transitions. Word has length 13 [2024-10-13 12:52:26,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:52:26,831 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 112 transitions. [2024-10-13 12:52:26,831 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:52:26,833 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 112 transitions. [2024-10-13 12:52:26,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-10-13 12:52:26,834 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:52:26,834 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:52:26,834 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 12:52:26,834 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2024-10-13 12:52:26,834 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:52:26,835 INFO L85 PathProgramCache]: Analyzing trace with hash -2041246086, now seen corresponding path program 1 times [2024-10-13 12:52:26,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:52:26,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934800016] [2024-10-13 12:52:26,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:52:26,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:52:26,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:26,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 12:52:26,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:26,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 12:52:26,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:52:26,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934800016] [2024-10-13 12:52:26,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934800016] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:52:26,879 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 12:52:26,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 12:52:26,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722799076] [2024-10-13 12:52:26,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:52:26,880 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 12:52:26,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:52:26,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 12:52:26,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 12:52:26,881 INFO L87 Difference]: Start difference. First operand 104 states and 112 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-13 12:52:27,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:52:27,072 INFO L93 Difference]: Finished difference Result 184 states and 201 transitions. [2024-10-13 12:52:27,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 12:52:27,073 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2024-10-13 12:52:27,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:52:27,074 INFO L225 Difference]: With dead ends: 184 [2024-10-13 12:52:27,074 INFO L226 Difference]: Without dead ends: 152 [2024-10-13 12:52:27,074 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 12:52:27,075 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 42 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 12:52:27,076 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 100 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 12:52:27,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2024-10-13 12:52:27,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 151. [2024-10-13 12:52:27,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 106 states have (on average 1.4339622641509433) internal successors, (152), 141 states have internal predecessors, (152), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-13 12:52:27,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 168 transitions. [2024-10-13 12:52:27,096 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 168 transitions. Word has length 14 [2024-10-13 12:52:27,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:52:27,097 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 168 transitions. [2024-10-13 12:52:27,097 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-13 12:52:27,098 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 168 transitions. [2024-10-13 12:52:27,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-10-13 12:52:27,100 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:52:27,101 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:52:27,101 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 12:52:27,101 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2024-10-13 12:52:27,101 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:52:27,101 INFO L85 PathProgramCache]: Analyzing trace with hash -1059455500, now seen corresponding path program 1 times [2024-10-13 12:52:27,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:52:27,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258586097] [2024-10-13 12:52:27,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:52:27,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:52:27,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:27,261 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 12:52:27,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:52:27,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258586097] [2024-10-13 12:52:27,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258586097] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:52:27,264 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 12:52:27,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 12:52:27,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136475998] [2024-10-13 12:52:27,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:52:27,265 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 12:52:27,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:52:27,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 12:52:27,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-13 12:52:27,267 INFO L87 Difference]: Start difference. First operand 151 states and 168 transitions. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:52:27,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:52:27,423 INFO L93 Difference]: Finished difference Result 165 states and 182 transitions. [2024-10-13 12:52:27,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 12:52:27,424 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2024-10-13 12:52:27,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:52:27,425 INFO L225 Difference]: With dead ends: 165 [2024-10-13 12:52:27,425 INFO L226 Difference]: Without dead ends: 152 [2024-10-13 12:52:27,425 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-13 12:52:27,426 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 148 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 12:52:27,426 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 81 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 12:52:27,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2024-10-13 12:52:27,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 151. [2024-10-13 12:52:27,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 106 states have (on average 1.4245283018867925) internal successors, (151), 141 states have internal predecessors, (151), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-13 12:52:27,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 167 transitions. [2024-10-13 12:52:27,444 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 167 transitions. Word has length 18 [2024-10-13 12:52:27,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:52:27,444 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 167 transitions. [2024-10-13 12:52:27,444 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:52:27,444 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 167 transitions. [2024-10-13 12:52:27,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-10-13 12:52:27,445 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:52:27,445 INFO L215 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:52:27,445 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 12:52:27,445 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2024-10-13 12:52:27,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:52:27,446 INFO L85 PathProgramCache]: Analyzing trace with hash -1209730629, now seen corresponding path program 1 times [2024-10-13 12:52:27,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:52:27,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592638130] [2024-10-13 12:52:27,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:52:27,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:52:27,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:27,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 12:52:27,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:27,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-13 12:52:27,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:27,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 12:52:27,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:27,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 12:52:27,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:27,522 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-13 12:52:27,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:52:27,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592638130] [2024-10-13 12:52:27,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592638130] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:52:27,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 12:52:27,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 12:52:27,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285350527] [2024-10-13 12:52:27,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:52:27,524 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 12:52:27,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:52:27,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 12:52:27,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 12:52:27,526 INFO L87 Difference]: Start difference. First operand 151 states and 167 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-13 12:52:27,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:52:27,637 INFO L93 Difference]: Finished difference Result 156 states and 172 transitions. [2024-10-13 12:52:27,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 12:52:27,637 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 46 [2024-10-13 12:52:27,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:52:27,638 INFO L225 Difference]: With dead ends: 156 [2024-10-13 12:52:27,638 INFO L226 Difference]: Without dead ends: 154 [2024-10-13 12:52:27,639 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 12:52:27,640 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 21 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 12:52:27,644 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 164 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 12:52:27,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2024-10-13 12:52:27,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2024-10-13 12:52:27,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 109 states have (on average 1.4128440366972477) internal successors, (154), 144 states have internal predecessors, (154), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-13 12:52:27,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 170 transitions. [2024-10-13 12:52:27,655 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 170 transitions. Word has length 46 [2024-10-13 12:52:27,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:52:27,655 INFO L471 AbstractCegarLoop]: Abstraction has 154 states and 170 transitions. [2024-10-13 12:52:27,656 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-13 12:52:27,656 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 170 transitions. [2024-10-13 12:52:27,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-10-13 12:52:27,657 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:52:27,657 INFO L215 NwaCegarLoop]: trace histogram [5, 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] [2024-10-13 12:52:27,657 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-13 12:52:27,658 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2024-10-13 12:52:27,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:52:27,658 INFO L85 PathProgramCache]: Analyzing trace with hash -147189519, now seen corresponding path program 1 times [2024-10-13 12:52:27,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:52:27,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041394597] [2024-10-13 12:52:27,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:52:27,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:52:27,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:27,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 12:52:27,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:27,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-13 12:52:27,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:27,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 12:52:27,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:27,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 12:52:27,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:27,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 12:52:27,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:27,764 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-10-13 12:52:27,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:52:27,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041394597] [2024-10-13 12:52:27,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2041394597] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 12:52:27,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [715355722] [2024-10-13 12:52:27,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:52:27,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:52:27,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 12:52:27,767 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 12:52:27,769 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-13 12:52:27,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:27,841 INFO L255 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 12:52:27,844 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 12:52:27,940 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-10-13 12:52:27,940 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 12:52:27,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [715355722] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:52:27,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 12:52:27,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2024-10-13 12:52:27,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129672185] [2024-10-13 12:52:27,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:52:27,941 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 12:52:27,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:52:27,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 12:52:27,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-10-13 12:52:27,942 INFO L87 Difference]: Start difference. First operand 154 states and 170 transitions. Second operand has 5 states, 4 states have (on average 10.5) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-13 12:52:28,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:52:28,097 INFO L93 Difference]: Finished difference Result 154 states and 170 transitions. [2024-10-13 12:52:28,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 12:52:28,097 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.5) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 56 [2024-10-13 12:52:28,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:52:28,098 INFO L225 Difference]: With dead ends: 154 [2024-10-13 12:52:28,098 INFO L226 Difference]: Without dead ends: 137 [2024-10-13 12:52:28,098 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-10-13 12:52:28,099 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 62 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 245 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 12:52:28,099 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 138 Invalid, 261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 245 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 12:52:28,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2024-10-13 12:52:28,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2024-10-13 12:52:28,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 109 states have (on average 1.2568807339449541) internal successors, (137), 127 states have internal predecessors, (137), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-13 12:52:28,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 153 transitions. [2024-10-13 12:52:28,104 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 153 transitions. Word has length 56 [2024-10-13 12:52:28,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:52:28,104 INFO L471 AbstractCegarLoop]: Abstraction has 137 states and 153 transitions. [2024-10-13 12:52:28,104 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.5) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-13 12:52:28,104 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 153 transitions. [2024-10-13 12:52:28,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-10-13 12:52:28,105 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:52:28,105 INFO L215 NwaCegarLoop]: trace histogram [5, 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] [2024-10-13 12:52:28,120 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-13 12:52:28,306 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:52:28,306 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2024-10-13 12:52:28,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:52:28,307 INFO L85 PathProgramCache]: Analyzing trace with hash -267907723, now seen corresponding path program 1 times [2024-10-13 12:52:28,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:52:28,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227934260] [2024-10-13 12:52:28,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:52:28,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:52:28,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:28,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 12:52:28,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:28,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-13 12:52:28,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:28,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 12:52:28,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:28,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 12:52:28,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:28,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 12:52:28,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:28,384 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-10-13 12:52:28,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:52:28,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227934260] [2024-10-13 12:52:28,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227934260] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 12:52:28,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [306810447] [2024-10-13 12:52:28,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:52:28,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:52:28,385 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 12:52:28,386 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 12:52:28,387 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-13 12:52:28,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:28,441 INFO L255 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 12:52:28,442 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 12:52:28,497 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-10-13 12:52:28,497 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 12:52:28,581 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-10-13 12:52:28,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [306810447] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 12:52:28,581 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 12:52:28,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-10-13 12:52:28,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260168345] [2024-10-13 12:52:28,581 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 12:52:28,582 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-13 12:52:28,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:52:28,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-13 12:52:28,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-10-13 12:52:28,582 INFO L87 Difference]: Start difference. First operand 137 states and 153 transitions. Second operand has 10 states, 9 states have (on average 12.444444444444445) internal successors, (112), 10 states have internal predecessors, (112), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-10-13 12:52:28,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:52:28,769 INFO L93 Difference]: Finished difference Result 200 states and 244 transitions. [2024-10-13 12:52:28,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-13 12:52:28,769 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 12.444444444444445) internal successors, (112), 10 states have internal predecessors, (112), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) Word has length 57 [2024-10-13 12:52:28,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:52:28,770 INFO L225 Difference]: With dead ends: 200 [2024-10-13 12:52:28,770 INFO L226 Difference]: Without dead ends: 183 [2024-10-13 12:52:28,770 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-10-13 12:52:28,771 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 124 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 12:52:28,771 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 151 Invalid, 274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 12:52:28,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2024-10-13 12:52:28,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 183. [2024-10-13 12:52:28,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 164 states have (on average 1.1280487804878048) internal successors, (185), 168 states have internal predecessors, (185), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-13 12:52:28,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 211 transitions. [2024-10-13 12:52:28,786 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 211 transitions. Word has length 57 [2024-10-13 12:52:28,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:52:28,786 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 211 transitions. [2024-10-13 12:52:28,786 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 12.444444444444445) internal successors, (112), 10 states have internal predecessors, (112), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-10-13 12:52:28,786 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 211 transitions. [2024-10-13 12:52:28,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-10-13 12:52:28,787 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:52:28,787 INFO L215 NwaCegarLoop]: trace histogram [4, 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] [2024-10-13 12:52:28,800 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-13 12:52:28,987 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 [2024-10-13 12:52:28,988 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2024-10-13 12:52:28,988 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:52:28,988 INFO L85 PathProgramCache]: Analyzing trace with hash 1509616875, now seen corresponding path program 1 times [2024-10-13 12:52:28,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:52:28,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420969140] [2024-10-13 12:52:28,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:52:28,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:52:29,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:29,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 12:52:29,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:29,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-13 12:52:29,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:29,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 12:52:29,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:29,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 12:52:29,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:29,084 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-13 12:52:29,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:52:29,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420969140] [2024-10-13 12:52:29,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1420969140] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 12:52:29,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [659554243] [2024-10-13 12:52:29,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:52:29,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:52:29,084 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 12:52:29,086 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 12:52:29,086 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-13 12:52:29,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:29,141 INFO L255 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 12:52:29,142 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 12:52:29,171 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-13 12:52:29,171 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 12:52:29,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [659554243] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:52:29,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 12:52:29,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-10-13 12:52:29,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746009893] [2024-10-13 12:52:29,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:52:29,172 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 12:52:29,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:52:29,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 12:52:29,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-13 12:52:29,173 INFO L87 Difference]: Start difference. First operand 183 states and 211 transitions. Second operand has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-13 12:52:29,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:52:29,302 INFO L93 Difference]: Finished difference Result 183 states and 211 transitions. [2024-10-13 12:52:29,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 12:52:29,302 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 60 [2024-10-13 12:52:29,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:52:29,303 INFO L225 Difference]: With dead ends: 183 [2024-10-13 12:52:29,303 INFO L226 Difference]: Without dead ends: 182 [2024-10-13 12:52:29,304 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-13 12:52:29,304 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 48 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 12:52:29,304 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 158 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 12:52:29,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2024-10-13 12:52:29,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 182. [2024-10-13 12:52:29,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 164 states have (on average 1.1219512195121952) internal successors, (184), 167 states have internal predecessors, (184), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-13 12:52:29,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 210 transitions. [2024-10-13 12:52:29,315 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 210 transitions. Word has length 60 [2024-10-13 12:52:29,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:52:29,316 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 210 transitions. [2024-10-13 12:52:29,316 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-13 12:52:29,316 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 210 transitions. [2024-10-13 12:52:29,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-10-13 12:52:29,317 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:52:29,317 INFO L215 NwaCegarLoop]: trace histogram [4, 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] [2024-10-13 12:52:29,329 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-13 12:52:29,517 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:52:29,518 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2024-10-13 12:52:29,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:52:29,518 INFO L85 PathProgramCache]: Analyzing trace with hash -446516940, now seen corresponding path program 1 times [2024-10-13 12:52:29,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:52:29,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95228973] [2024-10-13 12:52:29,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:52:29,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:52:29,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:29,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 12:52:29,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:29,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-13 12:52:29,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:29,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 12:52:29,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:29,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 12:52:29,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:29,588 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-13 12:52:29,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:52:29,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95228973] [2024-10-13 12:52:29,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95228973] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 12:52:29,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [74621961] [2024-10-13 12:52:29,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:52:29,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:52:29,590 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 12:52:29,592 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 12:52:29,593 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-13 12:52:29,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:29,653 INFO L255 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 12:52:29,654 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 12:52:29,680 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-13 12:52:29,681 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 12:52:29,724 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-13 12:52:29,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [74621961] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 12:52:29,724 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 12:52:29,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-10-13 12:52:29,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239556635] [2024-10-13 12:52:29,724 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 12:52:29,725 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-13 12:52:29,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:52:29,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-13 12:52:29,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-13 12:52:29,725 INFO L87 Difference]: Start difference. First operand 182 states and 210 transitions. Second operand has 12 states, 11 states have (on average 5.909090909090909) internal successors, (65), 12 states have internal predecessors, (65), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-13 12:52:29,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:52:29,885 INFO L93 Difference]: Finished difference Result 198 states and 228 transitions. [2024-10-13 12:52:29,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-13 12:52:29,885 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.909090909090909) internal successors, (65), 12 states have internal predecessors, (65), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 61 [2024-10-13 12:52:29,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:52:29,887 INFO L225 Difference]: With dead ends: 198 [2024-10-13 12:52:29,887 INFO L226 Difference]: Without dead ends: 197 [2024-10-13 12:52:29,887 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-13 12:52:29,887 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 215 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 308 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 12:52:29,888 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [222 Valid, 222 Invalid, 327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 308 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 12:52:29,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2024-10-13 12:52:29,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 197. [2024-10-13 12:52:29,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 179 states have (on average 1.111731843575419) internal successors, (199), 182 states have internal predecessors, (199), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-13 12:52:29,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 225 transitions. [2024-10-13 12:52:29,896 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 225 transitions. Word has length 61 [2024-10-13 12:52:29,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:52:29,897 INFO L471 AbstractCegarLoop]: Abstraction has 197 states and 225 transitions. [2024-10-13 12:52:29,897 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.909090909090909) internal successors, (65), 12 states have internal predecessors, (65), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-13 12:52:29,897 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 225 transitions. [2024-10-13 12:52:29,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-10-13 12:52:29,901 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:52:29,901 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 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] [2024-10-13 12:52:29,914 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-13 12:52:30,105 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:52:30,106 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2024-10-13 12:52:30,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:52:30,107 INFO L85 PathProgramCache]: Analyzing trace with hash 4652923, now seen corresponding path program 2 times [2024-10-13 12:52:30,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:52:30,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917536143] [2024-10-13 12:52:30,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:52:30,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:52:30,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:30,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 12:52:30,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:30,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-13 12:52:30,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:30,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 12:52:30,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:30,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 12:52:30,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:30,268 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-13 12:52:30,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:52:30,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917536143] [2024-10-13 12:52:30,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917536143] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 12:52:30,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1571280191] [2024-10-13 12:52:30,268 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-13 12:52:30,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:52:30,268 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 12:52:30,272 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 12:52:30,274 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-13 12:52:30,326 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-13 12:52:30,326 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 12:52:30,327 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 12:52:30,330 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 12:52:30,438 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-10-13 12:52:30,438 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 12:52:30,528 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-10-13 12:52:30,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1571280191] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 12:52:30,528 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 12:52:30,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 3, 4] total 14 [2024-10-13 12:52:30,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257346634] [2024-10-13 12:52:30,529 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 12:52:30,529 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-13 12:52:30,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:52:30,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-13 12:52:30,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2024-10-13 12:52:30,532 INFO L87 Difference]: Start difference. First operand 197 states and 225 transitions. Second operand has 15 states, 14 states have (on average 7.928571428571429) internal successors, (111), 15 states have internal predecessors, (111), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-13 12:52:30,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:52:30,815 INFO L93 Difference]: Finished difference Result 203 states and 232 transitions. [2024-10-13 12:52:30,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-13 12:52:30,816 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 7.928571428571429) internal successors, (111), 15 states have internal predecessors, (111), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 76 [2024-10-13 12:52:30,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:52:30,817 INFO L225 Difference]: With dead ends: 203 [2024-10-13 12:52:30,817 INFO L226 Difference]: Without dead ends: 170 [2024-10-13 12:52:30,817 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 156 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=165, Invalid=537, Unknown=0, NotChecked=0, Total=702 [2024-10-13 12:52:30,818 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 134 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 360 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 12:52:30,818 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 143 Invalid, 371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 360 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 12:52:30,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2024-10-13 12:52:30,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 170. [2024-10-13 12:52:30,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 153 states have (on average 1.1045751633986929) internal successors, (169), 155 states have internal predecessors, (169), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-13 12:52:30,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 195 transitions. [2024-10-13 12:52:30,823 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 195 transitions. Word has length 76 [2024-10-13 12:52:30,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:52:30,823 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 195 transitions. [2024-10-13 12:52:30,824 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 7.928571428571429) internal successors, (111), 15 states have internal predecessors, (111), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-13 12:52:30,824 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 195 transitions. [2024-10-13 12:52:30,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-10-13 12:52:30,825 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:52:30,825 INFO L215 NwaCegarLoop]: trace histogram [12, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1] [2024-10-13 12:52:30,837 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-13 12:52:31,025 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-10-13 12:52:31,026 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2024-10-13 12:52:31,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:52:31,026 INFO L85 PathProgramCache]: Analyzing trace with hash -86148135, now seen corresponding path program 1 times [2024-10-13 12:52:31,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:52:31,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827265031] [2024-10-13 12:52:31,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:52:31,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:52:31,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:31,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 12:52:31,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:31,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-13 12:52:31,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:31,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 12:52:31,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:31,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 12:52:31,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:31,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 12:52:31,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:31,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-13 12:52:31,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:31,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 12:52:31,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:31,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-13 12:52:31,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:31,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 12:52:31,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:31,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 12:52:31,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:31,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-13 12:52:31,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:31,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 12:52:31,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:31,124 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2024-10-13 12:52:31,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:52:31,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827265031] [2024-10-13 12:52:31,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827265031] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:52:31,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 12:52:31,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 12:52:31,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973590244] [2024-10-13 12:52:31,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:52:31,125 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 12:52:31,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:52:31,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 12:52:31,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 12:52:31,126 INFO L87 Difference]: Start difference. First operand 170 states and 195 transitions. Second operand has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 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) [2024-10-13 12:52:31,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:52:31,195 INFO L93 Difference]: Finished difference Result 170 states and 195 transitions. [2024-10-13 12:52:31,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 12:52:31,196 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 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 131 [2024-10-13 12:52:31,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:52:31,197 INFO L225 Difference]: With dead ends: 170 [2024-10-13 12:52:31,197 INFO L226 Difference]: Without dead ends: 169 [2024-10-13 12:52:31,197 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 12:52:31,198 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 26 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 12:52:31,198 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 68 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 12:52:31,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2024-10-13 12:52:31,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 169. [2024-10-13 12:52:31,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 153 states have (on average 1.0980392156862746) internal successors, (168), 154 states have internal predecessors, (168), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-13 12:52:31,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 194 transitions. [2024-10-13 12:52:31,206 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 194 transitions. Word has length 131 [2024-10-13 12:52:31,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:52:31,206 INFO L471 AbstractCegarLoop]: Abstraction has 169 states and 194 transitions. [2024-10-13 12:52:31,206 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 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) [2024-10-13 12:52:31,206 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 194 transitions. [2024-10-13 12:52:31,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-10-13 12:52:31,207 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:52:31,207 INFO L215 NwaCegarLoop]: trace histogram [13, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1] [2024-10-13 12:52:31,208 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-13 12:52:31,208 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2024-10-13 12:52:31,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:52:31,208 INFO L85 PathProgramCache]: Analyzing trace with hash -9372537, now seen corresponding path program 2 times [2024-10-13 12:52:31,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:52:31,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812810417] [2024-10-13 12:52:31,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:52:31,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:52:31,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:31,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 12:52:31,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:31,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-13 12:52:31,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:31,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 12:52:31,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:31,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 12:52:31,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:31,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 12:52:31,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:31,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-13 12:52:31,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:31,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 12:52:31,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:31,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-13 12:52:31,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:31,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 12:52:31,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:31,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 12:52:31,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:31,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-13 12:52:31,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:31,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 12:52:31,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:31,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 12:52:31,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:31,507 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2024-10-13 12:52:31,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:52:31,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812810417] [2024-10-13 12:52:31,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812810417] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 12:52:31,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [738773151] [2024-10-13 12:52:31,507 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-13 12:52:31,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:52:31,507 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 12:52:31,509 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 12:52:31,518 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-13 12:52:31,572 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-13 12:52:31,572 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 12:52:31,573 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 12:52:31,575 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 12:52:31,880 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2024-10-13 12:52:31,881 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 12:52:32,045 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2024-10-13 12:52:32,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [738773151] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 12:52:32,046 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 12:52:32,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 3] total 9 [2024-10-13 12:52:32,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355136089] [2024-10-13 12:52:32,046 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 12:52:32,047 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-13 12:52:32,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:52:32,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-13 12:52:32,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-10-13 12:52:32,047 INFO L87 Difference]: Start difference. First operand 169 states and 194 transitions. Second operand has 10 states, 9 states have (on average 13.333333333333334) internal successors, (120), 10 states have internal predecessors, (120), 5 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-10-13 12:52:32,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:52:32,147 INFO L93 Difference]: Finished difference Result 169 states and 194 transitions. [2024-10-13 12:52:32,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 12:52:32,148 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 13.333333333333334) internal successors, (120), 10 states have internal predecessors, (120), 5 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) Word has length 141 [2024-10-13 12:52:32,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:52:32,148 INFO L225 Difference]: With dead ends: 169 [2024-10-13 12:52:32,148 INFO L226 Difference]: Without dead ends: 0 [2024-10-13 12:52:32,149 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 316 GetRequests, 301 SyntacticMatches, 3 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2024-10-13 12:52:32,150 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 235 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 12:52:32,150 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [235 Valid, 26 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 12:52:32,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-13 12:52:32,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-13 12:52:32,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:52:32,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-13 12:52:32,150 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 141 [2024-10-13 12:52:32,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:52:32,150 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-13 12:52:32,150 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 13.333333333333334) internal successors, (120), 10 states have internal predecessors, (120), 5 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-10-13 12:52:32,151 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-13 12:52:32,151 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-13 12:52:32,153 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 38 remaining) [2024-10-13 12:52:32,153 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 38 remaining) [2024-10-13 12:52:32,153 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 38 remaining) [2024-10-13 12:52:32,153 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 38 remaining) [2024-10-13 12:52:32,153 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 38 remaining) [2024-10-13 12:52:32,153 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 38 remaining) [2024-10-13 12:52:32,154 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 38 remaining) [2024-10-13 12:52:32,154 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 38 remaining) [2024-10-13 12:52:32,154 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 38 remaining) [2024-10-13 12:52:32,154 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 38 remaining) [2024-10-13 12:52:32,154 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 38 remaining) [2024-10-13 12:52:32,154 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 38 remaining) [2024-10-13 12:52:32,154 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 38 remaining) [2024-10-13 12:52:32,154 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 38 remaining) [2024-10-13 12:52:32,154 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 38 remaining) [2024-10-13 12:52:32,154 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 38 remaining) [2024-10-13 12:52:32,155 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 38 remaining) [2024-10-13 12:52:32,155 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 38 remaining) [2024-10-13 12:52:32,155 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 38 remaining) [2024-10-13 12:52:32,155 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 38 remaining) [2024-10-13 12:52:32,155 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 38 remaining) [2024-10-13 12:52:32,155 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 38 remaining) [2024-10-13 12:52:32,155 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 38 remaining) [2024-10-13 12:52:32,155 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 38 remaining) [2024-10-13 12:52:32,155 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 38 remaining) [2024-10-13 12:52:32,156 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 38 remaining) [2024-10-13 12:52:32,156 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 38 remaining) [2024-10-13 12:52:32,156 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 38 remaining) [2024-10-13 12:52:32,156 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 38 remaining) [2024-10-13 12:52:32,156 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 38 remaining) [2024-10-13 12:52:32,156 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 38 remaining) [2024-10-13 12:52:32,156 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 38 remaining) [2024-10-13 12:52:32,156 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 38 remaining) [2024-10-13 12:52:32,156 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 38 remaining) [2024-10-13 12:52:32,156 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 38 remaining) [2024-10-13 12:52:32,157 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 38 remaining) [2024-10-13 12:52:32,157 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 38 remaining) [2024-10-13 12:52:32,157 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 38 remaining) [2024-10-13 12:52:32,170 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-13 12:52:32,357 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:52:32,360 INFO L407 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:52:32,362 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-13 12:52:32,644 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-13 12:52:32,658 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 12:52:32 BoogieIcfgContainer [2024-10-13 12:52:32,658 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-13 12:52:32,658 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 12:52:32,658 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 12:52:32,658 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 12:52:32,659 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:52:25" (3/4) ... [2024-10-13 12:52:32,660 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-13 12:52:32,662 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ReadFromPort [2024-10-13 12:52:32,666 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2024-10-13 12:52:32,666 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-10-13 12:52:32,666 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-10-13 12:52:32,667 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-13 12:52:32,667 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-13 12:52:32,731 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-13 12:52:32,732 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-13 12:52:32,732 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 12:52:32,732 INFO L158 Benchmark]: Toolchain (without parser) took 7613.66ms. Allocated memory was 167.8MB in the beginning and 262.1MB in the end (delta: 94.4MB). Free memory was 98.4MB in the beginning and 83.6MB in the end (delta: 14.8MB). Peak memory consumption was 110.7MB. Max. memory is 16.1GB. [2024-10-13 12:52:32,732 INFO L158 Benchmark]: CDTParser took 0.80ms. Allocated memory is still 167.8MB. Free memory is still 123.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 12:52:32,733 INFO L158 Benchmark]: CACSL2BoogieTranslator took 194.03ms. Allocated memory is still 167.8MB. Free memory was 98.3MB in the beginning and 85.3MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-13 12:52:32,733 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.99ms. Allocated memory is still 167.8MB. Free memory was 85.3MB in the beginning and 83.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 12:52:32,733 INFO L158 Benchmark]: Boogie Preprocessor took 54.17ms. Allocated memory is still 167.8MB. Free memory was 83.3MB in the beginning and 137.0MB in the end (delta: -53.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-13 12:52:32,733 INFO L158 Benchmark]: RCFGBuilder took 388.39ms. Allocated memory is still 167.8MB. Free memory was 137.0MB in the beginning and 116.0MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-10-13 12:52:32,733 INFO L158 Benchmark]: TraceAbstraction took 6870.19ms. Allocated memory was 167.8MB in the beginning and 262.1MB in the end (delta: 94.4MB). Free memory was 115.4MB in the beginning and 89.9MB in the end (delta: 25.5MB). Peak memory consumption was 119.0MB. Max. memory is 16.1GB. [2024-10-13 12:52:32,734 INFO L158 Benchmark]: Witness Printer took 73.62ms. Allocated memory is still 262.1MB. Free memory was 89.9MB in the beginning and 83.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-13 12:52:32,735 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.80ms. Allocated memory is still 167.8MB. Free memory is still 123.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 194.03ms. Allocated memory is still 167.8MB. Free memory was 98.3MB in the beginning and 85.3MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.99ms. Allocated memory is still 167.8MB. Free memory was 85.3MB in the beginning and 83.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.17ms. Allocated memory is still 167.8MB. Free memory was 83.3MB in the beginning and 137.0MB in the end (delta: -53.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 388.39ms. Allocated memory is still 167.8MB. Free memory was 137.0MB in the beginning and 116.0MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 6870.19ms. Allocated memory was 167.8MB in the beginning and 262.1MB in the end (delta: 94.4MB). Free memory was 115.4MB in the beginning and 89.9MB in the end (delta: 25.5MB). Peak memory consumption was 119.0MB. Max. memory is 16.1GB. * Witness Printer took 73.62ms. Allocated memory is still 262.1MB. Free memory was 89.9MB in the beginning and 83.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 61]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 61]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 61]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 61]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 65]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 65]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 65]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 65]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 71]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 71]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 71]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 71]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 75]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 75]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 75]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 75]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 79]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 79]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 105 locations, 38 error locations. Started 1 CEGAR loops. OverallTime: 6.5s, OverallIterations: 13, TraceHistogramMax: 13, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1477 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1449 mSDsluCounter, 1682 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 953 mSDsCounter, 173 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2045 IncrementalHoareTripleChecker+Invalid, 2218 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 173 mSolverCounterUnsat, 729 mSDtfsCounter, 2045 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 959 GetRequests, 871 SyntacticMatches, 5 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=197occurred in iteration=10, InterpolantAutomatonStates: 79, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 13 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 1137 NumberOfCodeBlocks, 949 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 1449 ConstructedInterpolants, 0 QuantifiedInterpolants, 4513 SizeOfPredicates, 4 NumberOfNonLiveVariables, 888 ConjunctsInSsa, 27 ConjunctsInUnsatCore, 23 InterpolantComputations, 9 PerfectInterpolantSequences, 1317/1527 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 38 specifications checked. All of them hold - InvariantResult [Line: 79]: Loop Invariant Derived loop invariant: ((((((((SIZE >= 0) ? (SIZE % 4) : ((SIZE % 4) + 4)) == 0) && (1 <= i)) && (2 <= SIZE)) && (SIZE <= 99999)) && (MAX <= 100000)) || (((((((SIZE >= 0) ? (SIZE % 4) : ((SIZE % 4) + 4)) == 0) && (i == 0)) && (2 <= SIZE)) && (SIZE <= 99999)) && (MAX <= 100000))) - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: ((((((((SIZE >= 0) ? (SIZE % 4) : ((SIZE % 4) + 4)) == 0) && (2 <= SIZE)) && (2 <= i)) && (SIZE <= 99999)) && (MAX <= 100000)) || (((((((SIZE >= 0) ? (SIZE % 4) : ((SIZE % 4) + 4)) == 0) && (2 <= SIZE)) && (i == 1)) && (SIZE <= 99999)) && (MAX <= 100000))) - ProcedureContractResult [Line: 12]: Procedure Contract for ReadFromPort Derived contract for procedure ReadFromPort. Requires: ((((((SIZE >= 0) ? (SIZE % 4) : ((SIZE % 4) + 4)) == 0) && (2 <= SIZE)) && (SIZE <= 99999)) && (MAX <= 100000)) Ensures: ((((((SIZE >= 0) ? (SIZE % 4) : ((SIZE % 4) + 4)) == 0) && (2 <= SIZE)) && (SIZE <= 99999)) && (MAX <= 100000)) RESULT: Ultimate proved your program to be correct! [2024-10-13 12:52:32,761 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE