./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/array-examples/sorting_bubblesort_ground-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/array-examples/sorting_bubblesort_ground-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 68585835b92043bfb2f3c62590e96ff685993869f8a251aecd9fe4c8aaea0e1e --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 21:57:20,054 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 21:57:20,118 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-22 21:57:20,125 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 21:57:20,126 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 21:57:20,164 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 21:57:20,164 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 21:57:20,164 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 21:57:20,165 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 21:57:20,165 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 21:57:20,165 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 21:57:20,165 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 21:57:20,166 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 21:57:20,166 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 21:57:20,170 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 21:57:20,171 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 21:57:20,171 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 21:57:20,171 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 21:57:20,171 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 21:57:20,171 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 21:57:20,172 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 21:57:20,172 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 21:57:20,172 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 21:57:20,173 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 21:57:20,173 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 21:57:20,176 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-22 21:57:20,176 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-22 21:57:20,177 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 21:57:20,177 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 21:57:20,177 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 21:57:20,177 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 21:57:20,177 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 21:57:20,177 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 21:57:20,177 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 21:57:20,177 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 21:57:20,178 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 21:57:20,178 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 21:57:20,178 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 21:57:20,178 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 21:57:20,178 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 21:57:20,178 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 21:57:20,179 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 21:57:20,179 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 21:57:20,179 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 21:57:20,179 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68585835b92043bfb2f3c62590e96ff685993869f8a251aecd9fe4c8aaea0e1e [2024-11-22 21:57:20,412 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 21:57:20,441 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 21:57:20,443 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 21:57:20,444 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 21:57:20,445 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 21:57:20,446 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-examples/sorting_bubblesort_ground-1.i [2024-11-22 21:57:21,871 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 21:57:22,029 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 21:57:22,029 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-examples/sorting_bubblesort_ground-1.i [2024-11-22 21:57:22,045 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/438dada26/cc79548f5a544a1a8d0d3392949a2189/FLAG686c8312c [2024-11-22 21:57:22,435 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/438dada26/cc79548f5a544a1a8d0d3392949a2189 [2024-11-22 21:57:22,437 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 21:57:22,438 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 21:57:22,439 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 21:57:22,439 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 21:57:22,444 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 21:57:22,445 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 09:57:22" (1/1) ... [2024-11-22 21:57:22,446 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70c8aabd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:57:22, skipping insertion in model container [2024-11-22 21:57:22,446 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 09:57:22" (1/1) ... [2024-11-22 21:57:22,463 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 21:57:22,641 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 21:57:22,648 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 21:57:22,664 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 21:57:22,681 INFO L204 MainTranslator]: Completed translation [2024-11-22 21:57:22,682 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:57:22 WrapperNode [2024-11-22 21:57:22,682 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 21:57:22,683 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 21:57:22,683 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 21:57:22,683 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 21:57:22,689 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:57:22" (1/1) ... [2024-11-22 21:57:22,695 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:57:22" (1/1) ... [2024-11-22 21:57:22,710 INFO L138 Inliner]: procedures = 16, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 103 [2024-11-22 21:57:22,711 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 21:57:22,711 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 21:57:22,711 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 21:57:22,712 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 21:57:22,720 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:57:22" (1/1) ... [2024-11-22 21:57:22,721 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:57:22" (1/1) ... [2024-11-22 21:57:22,722 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:57:22" (1/1) ... [2024-11-22 21:57:22,735 INFO L175 MemorySlicer]: Split 11 memory accesses to 2 slices as follows [2, 9]. 82 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 3 writes are split as follows [0, 3]. [2024-11-22 21:57:22,736 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:57:22" (1/1) ... [2024-11-22 21:57:22,736 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:57:22" (1/1) ... [2024-11-22 21:57:22,740 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:57:22" (1/1) ... [2024-11-22 21:57:22,742 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:57:22" (1/1) ... [2024-11-22 21:57:22,743 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:57:22" (1/1) ... [2024-11-22 21:57:22,744 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:57:22" (1/1) ... [2024-11-22 21:57:22,745 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 21:57:22,746 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 21:57:22,746 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 21:57:22,746 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 21:57:22,747 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:57:22" (1/1) ... [2024-11-22 21:57:22,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 21:57:22,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 21:57:22,779 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-22 21:57:22,787 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-22 21:57:22,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 21:57:22,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 21:57:22,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-22 21:57:22,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-22 21:57:22,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-22 21:57:22,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-22 21:57:22,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 21:57:22,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 21:57:22,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-22 21:57:22,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-22 21:57:22,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-22 21:57:22,890 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 21:57:22,892 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 21:57:23,044 INFO L? ?]: Removed 31 outVars from TransFormulas that were not future-live. [2024-11-22 21:57:23,044 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 21:57:23,062 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 21:57:23,062 INFO L316 CfgBuilder]: Removed 5 assume(true) statements. [2024-11-22 21:57:23,063 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:57:23 BoogieIcfgContainer [2024-11-22 21:57:23,063 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 21:57:23,065 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 21:57:23,065 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 21:57:23,067 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 21:57:23,067 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 09:57:22" (1/3) ... [2024-11-22 21:57:23,068 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@528b5323 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 09:57:23, skipping insertion in model container [2024-11-22 21:57:23,068 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:57:22" (2/3) ... [2024-11-22 21:57:23,068 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@528b5323 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 09:57:23, skipping insertion in model container [2024-11-22 21:57:23,069 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:57:23" (3/3) ... [2024-11-22 21:57:23,070 INFO L112 eAbstractionObserver]: Analyzing ICFG sorting_bubblesort_ground-1.i [2024-11-22 21:57:23,084 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 21:57:23,085 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2024-11-22 21:57:23,133 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 21:57:23,143 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;@78a7bd4c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 21:57:23,144 INFO L334 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2024-11-22 21:57:23,152 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 38 states have (on average 1.763157894736842) internal successors, (67), 54 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 21:57:23,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-22 21:57:23,165 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 21:57:23,166 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-22 21:57:23,167 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-22 21:57:23,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:57:23,172 INFO L85 PathProgramCache]: Analyzing trace with hash 28698728, now seen corresponding path program 1 times [2024-11-22 21:57:23,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:57:23,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294799321] [2024-11-22 21:57:23,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:57:23,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:57:23,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:57:23,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 21:57:23,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:57:23,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294799321] [2024-11-22 21:57:23,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294799321] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:57:23,416 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 21:57:23,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 21:57:23,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469134586] [2024-11-22 21:57:23,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:57:23,421 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 21:57:23,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:57:23,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 21:57:23,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 21:57:23,439 INFO L87 Difference]: Start difference. First operand has 55 states, 38 states have (on average 1.763157894736842) internal successors, (67), 54 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 21:57:23,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 21:57:23,479 INFO L93 Difference]: Finished difference Result 107 states and 131 transitions. [2024-11-22 21:57:23,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 21:57:23,481 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-22 21:57:23,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 21:57:23,487 INFO L225 Difference]: With dead ends: 107 [2024-11-22 21:57:23,487 INFO L226 Difference]: Without dead ends: 52 [2024-11-22 21:57:23,489 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 21:57:23,491 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 1 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 21:57:23,492 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 157 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 21:57:23,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-11-22 21:57:23,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2024-11-22 21:57:23,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 36 states have (on average 1.5833333333333333) internal successors, (57), 51 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 21:57:23,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 57 transitions. [2024-11-22 21:57:23,514 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 57 transitions. Word has length 5 [2024-11-22 21:57:23,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 21:57:23,515 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 57 transitions. [2024-11-22 21:57:23,515 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 21:57:23,515 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 57 transitions. [2024-11-22 21:57:23,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-22 21:57:23,515 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 21:57:23,516 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1] [2024-11-22 21:57:23,516 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-22 21:57:23,516 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-22 21:57:23,517 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:57:23,517 INFO L85 PathProgramCache]: Analyzing trace with hash -363792156, now seen corresponding path program 1 times [2024-11-22 21:57:23,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:57:23,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274827454] [2024-11-22 21:57:23,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:57:23,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:57:23,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:57:23,605 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 21:57:23,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:57:23,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274827454] [2024-11-22 21:57:23,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [274827454] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 21:57:23,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1477625730] [2024-11-22 21:57:23,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:57:23,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 21:57:23,608 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 21:57:23,612 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 21:57:23,614 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-22 21:57:23,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:57:23,656 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 21:57:23,660 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 21:57:23,720 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 21:57:23,720 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 21:57:23,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1477625730] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:57:23,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 21:57:23,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-22 21:57:23,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815936904] [2024-11-22 21:57:23,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:57:23,722 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 21:57:23,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:57:23,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 21:57:23,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-22 21:57:23,724 INFO L87 Difference]: Start difference. First operand 52 states and 57 transitions. Second operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 21:57:23,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 21:57:23,771 INFO L93 Difference]: Finished difference Result 52 states and 57 transitions. [2024-11-22 21:57:23,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 21:57:23,772 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-11-22 21:57:23,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 21:57:23,773 INFO L225 Difference]: With dead ends: 52 [2024-11-22 21:57:23,773 INFO L226 Difference]: Without dead ends: 51 [2024-11-22 21:57:23,773 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-22 21:57:23,774 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 1 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 21:57:23,774 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 180 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 21:57:23,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2024-11-22 21:57:23,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2024-11-22 21:57:23,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 36 states have (on average 1.5555555555555556) internal successors, (56), 50 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 21:57:23,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 56 transitions. [2024-11-22 21:57:23,778 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 56 transitions. Word has length 9 [2024-11-22 21:57:23,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 21:57:23,779 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 56 transitions. [2024-11-22 21:57:23,779 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 21:57:23,779 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 56 transitions. [2024-11-22 21:57:23,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-22 21:57:23,779 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 21:57:23,780 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1] [2024-11-22 21:57:23,789 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-22 21:57:23,980 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 21:57:23,981 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-22 21:57:23,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:57:23,981 INFO L85 PathProgramCache]: Analyzing trace with hash 1607345098, now seen corresponding path program 1 times [2024-11-22 21:57:23,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:57:23,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639257790] [2024-11-22 21:57:23,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:57:23,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:57:23,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:57:24,018 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-22 21:57:24,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:57:24,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639257790] [2024-11-22 21:57:24,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639257790] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:57:24,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 21:57:24,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 21:57:24,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93016174] [2024-11-22 21:57:24,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:57:24,019 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 21:57:24,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:57:24,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 21:57:24,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 21:57:24,020 INFO L87 Difference]: Start difference. First operand 51 states and 56 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 21:57:24,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 21:57:24,034 INFO L93 Difference]: Finished difference Result 51 states and 56 transitions. [2024-11-22 21:57:24,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 21:57:24,034 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-11-22 21:57:24,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 21:57:24,035 INFO L225 Difference]: With dead ends: 51 [2024-11-22 21:57:24,035 INFO L226 Difference]: Without dead ends: 50 [2024-11-22 21:57:24,035 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 21:57:24,036 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 0 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 21:57:24,036 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 137 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 21:57:24,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-11-22 21:57:24,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 47. [2024-11-22 21:57:24,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 33 states have (on average 1.5757575757575757) internal successors, (52), 46 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 21:57:24,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 52 transitions. [2024-11-22 21:57:24,042 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 52 transitions. Word has length 10 [2024-11-22 21:57:24,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 21:57:24,042 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 52 transitions. [2024-11-22 21:57:24,042 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 21:57:24,042 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 52 transitions. [2024-11-22 21:57:24,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-22 21:57:24,043 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 21:57:24,043 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 21:57:24,043 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 21:57:24,043 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-22 21:57:24,043 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:57:24,044 INFO L85 PathProgramCache]: Analyzing trace with hash -1713503061, now seen corresponding path program 1 times [2024-11-22 21:57:24,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:57:24,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50955155] [2024-11-22 21:57:24,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:57:24,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:57:24,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:57:24,135 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 21:57:24,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:57:24,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50955155] [2024-11-22 21:57:24,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50955155] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 21:57:24,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [767444972] [2024-11-22 21:57:24,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:57:24,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 21:57:24,140 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 21:57:24,142 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 21:57:24,143 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-22 21:57:24,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:57:24,184 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-22 21:57:24,185 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 21:57:24,193 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-22 21:57:24,193 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 21:57:24,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [767444972] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:57:24,194 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 21:57:24,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-22 21:57:24,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332112142] [2024-11-22 21:57:24,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:57:24,194 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 21:57:24,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:57:24,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 21:57:24,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-22 21:57:24,195 INFO L87 Difference]: Start difference. First operand 47 states and 52 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 21:57:24,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 21:57:24,223 INFO L93 Difference]: Finished difference Result 47 states and 52 transitions. [2024-11-22 21:57:24,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 21:57:24,224 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-11-22 21:57:24,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 21:57:24,228 INFO L225 Difference]: With dead ends: 47 [2024-11-22 21:57:24,228 INFO L226 Difference]: Without dead ends: 43 [2024-11-22 21:57:24,228 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-22 21:57:24,229 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 9 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 21:57:24,229 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 60 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 21:57:24,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2024-11-22 21:57:24,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2024-11-22 21:57:24,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 33 states have (on average 1.4545454545454546) internal successors, (48), 42 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 21:57:24,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 48 transitions. [2024-11-22 21:57:24,235 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 48 transitions. Word has length 11 [2024-11-22 21:57:24,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 21:57:24,236 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 48 transitions. [2024-11-22 21:57:24,236 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 21:57:24,236 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 48 transitions. [2024-11-22 21:57:24,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-22 21:57:24,237 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 21:57:24,237 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 21:57:24,243 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-22 21:57:24,437 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,SelfDestructingSolverStorable3 [2024-11-22 21:57:24,438 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-22 21:57:24,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:57:24,439 INFO L85 PathProgramCache]: Analyzing trace with hash -1579016867, now seen corresponding path program 1 times [2024-11-22 21:57:24,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:57:24,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189007482] [2024-11-22 21:57:24,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:57:24,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:57:24,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:57:24,482 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 21:57:24,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:57:24,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189007482] [2024-11-22 21:57:24,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189007482] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 21:57:24,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [814638800] [2024-11-22 21:57:24,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:57:24,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 21:57:24,483 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 21:57:24,485 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 21:57:24,486 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-22 21:57:24,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:57:24,515 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-22 21:57:24,516 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 21:57:24,534 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-22 21:57:24,534 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 21:57:24,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [814638800] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:57:24,534 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 21:57:24,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-22 21:57:24,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407573406] [2024-11-22 21:57:24,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:57:24,535 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 21:57:24,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:57:24,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 21:57:24,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-22 21:57:24,536 INFO L87 Difference]: Start difference. First operand 43 states and 48 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 21:57:24,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 21:57:24,557 INFO L93 Difference]: Finished difference Result 78 states and 87 transitions. [2024-11-22 21:57:24,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 21:57:24,563 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2024-11-22 21:57:24,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 21:57:24,563 INFO L225 Difference]: With dead ends: 78 [2024-11-22 21:57:24,563 INFO L226 Difference]: Without dead ends: 59 [2024-11-22 21:57:24,564 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-22 21:57:24,564 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 16 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 21:57:24,564 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 105 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 21:57:24,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2024-11-22 21:57:24,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 51. [2024-11-22 21:57:24,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 41 states have (on average 1.4634146341463414) internal successors, (60), 50 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 21:57:24,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 60 transitions. [2024-11-22 21:57:24,573 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 60 transitions. Word has length 12 [2024-11-22 21:57:24,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 21:57:24,574 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 60 transitions. [2024-11-22 21:57:24,574 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 21:57:24,574 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 60 transitions. [2024-11-22 21:57:24,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-22 21:57:24,574 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 21:57:24,574 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 21:57:24,582 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-22 21:57:24,774 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 21:57:24,775 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-22 21:57:24,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:57:24,775 INFO L85 PathProgramCache]: Analyzing trace with hash -1578987267, now seen corresponding path program 1 times [2024-11-22 21:57:24,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:57:24,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039326188] [2024-11-22 21:57:24,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:57:24,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:57:24,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:57:24,816 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 21:57:24,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:57:24,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039326188] [2024-11-22 21:57:24,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039326188] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 21:57:24,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2105563151] [2024-11-22 21:57:24,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:57:24,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 21:57:24,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 21:57:24,821 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 21:57:24,822 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-22 21:57:24,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:57:24,859 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-22 21:57:24,860 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 21:57:24,871 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-22 21:57:24,871 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 21:57:24,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2105563151] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:57:24,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 21:57:24,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-22 21:57:24,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834863719] [2024-11-22 21:57:24,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:57:24,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 21:57:24,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:57:24,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 21:57:24,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-22 21:57:24,872 INFO L87 Difference]: Start difference. First operand 51 states and 60 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 21:57:24,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 21:57:24,920 INFO L93 Difference]: Finished difference Result 106 states and 130 transitions. [2024-11-22 21:57:24,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 21:57:24,924 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2024-11-22 21:57:24,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 21:57:24,924 INFO L225 Difference]: With dead ends: 106 [2024-11-22 21:57:24,924 INFO L226 Difference]: Without dead ends: 63 [2024-11-22 21:57:24,926 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-22 21:57:24,927 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 8 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 21:57:24,927 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 66 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 21:57:24,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2024-11-22 21:57:24,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2024-11-22 21:57:24,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 53 states have (on average 1.3773584905660377) internal successors, (73), 62 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 21:57:24,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 73 transitions. [2024-11-22 21:57:24,932 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 73 transitions. Word has length 12 [2024-11-22 21:57:24,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 21:57:24,932 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 73 transitions. [2024-11-22 21:57:24,932 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 21:57:24,932 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 73 transitions. [2024-11-22 21:57:24,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-22 21:57:24,933 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 21:57:24,933 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 21:57:24,940 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-22 21:57:25,133 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 21:57:25,134 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-22 21:57:25,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:57:25,134 INFO L85 PathProgramCache]: Analyzing trace with hash -1890774580, now seen corresponding path program 1 times [2024-11-22 21:57:25,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:57:25,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140841653] [2024-11-22 21:57:25,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:57:25,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:57:25,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:57:25,211 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-22 21:57:25,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:57:25,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140841653] [2024-11-22 21:57:25,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2140841653] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 21:57:25,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [120299175] [2024-11-22 21:57:25,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:57:25,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 21:57:25,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 21:57:25,214 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 21:57:25,215 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-22 21:57:25,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:57:25,260 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-22 21:57:25,261 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 21:57:25,273 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-22 21:57:25,274 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 21:57:25,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [120299175] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:57:25,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 21:57:25,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-22 21:57:25,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584992485] [2024-11-22 21:57:25,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:57:25,274 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 21:57:25,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:57:25,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 21:57:25,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-22 21:57:25,275 INFO L87 Difference]: Start difference. First operand 63 states and 73 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 21:57:25,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 21:57:25,303 INFO L93 Difference]: Finished difference Result 63 states and 73 transitions. [2024-11-22 21:57:25,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 21:57:25,303 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2024-11-22 21:57:25,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 21:57:25,304 INFO L225 Difference]: With dead ends: 63 [2024-11-22 21:57:25,304 INFO L226 Difference]: Without dead ends: 59 [2024-11-22 21:57:25,304 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-22 21:57:25,305 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 8 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 21:57:25,305 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 61 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 21:57:25,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2024-11-22 21:57:25,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 48. [2024-11-22 21:57:25,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 42 states have (on average 1.3095238095238095) internal successors, (55), 47 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 21:57:25,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 55 transitions. [2024-11-22 21:57:25,308 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 55 transitions. Word has length 18 [2024-11-22 21:57:25,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 21:57:25,308 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 55 transitions. [2024-11-22 21:57:25,309 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 21:57:25,309 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 55 transitions. [2024-11-22 21:57:25,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-22 21:57:25,309 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 21:57:25,309 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 21:57:25,317 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-22 21:57:25,509 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 21:57:25,510 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-22 21:57:25,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:57:25,511 INFO L85 PathProgramCache]: Analyzing trace with hash 395131169, now seen corresponding path program 1 times [2024-11-22 21:57:25,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:57:25,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768621999] [2024-11-22 21:57:25,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:57:25,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:57:25,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:57:25,550 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-22 21:57:25,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:57:25,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768621999] [2024-11-22 21:57:25,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1768621999] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 21:57:25,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [661758120] [2024-11-22 21:57:25,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:57:25,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 21:57:25,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 21:57:25,553 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 21:57:25,554 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-22 21:57:25,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:57:25,589 INFO L255 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-22 21:57:25,590 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 21:57:25,601 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-22 21:57:25,601 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 21:57:25,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [661758120] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:57:25,601 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 21:57:25,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-22 21:57:25,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228629121] [2024-11-22 21:57:25,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:57:25,602 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 21:57:25,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:57:25,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 21:57:25,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-22 21:57:25,602 INFO L87 Difference]: Start difference. First operand 48 states and 55 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 21:57:25,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 21:57:25,620 INFO L93 Difference]: Finished difference Result 61 states and 70 transitions. [2024-11-22 21:57:25,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 21:57:25,620 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2024-11-22 21:57:25,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 21:57:25,621 INFO L225 Difference]: With dead ends: 61 [2024-11-22 21:57:25,621 INFO L226 Difference]: Without dead ends: 60 [2024-11-22 21:57:25,622 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-22 21:57:25,622 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 11 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 21:57:25,623 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 70 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 21:57:25,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2024-11-22 21:57:25,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 50. [2024-11-22 21:57:25,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 44 states have (on average 1.2954545454545454) internal successors, (57), 49 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 21:57:25,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 57 transitions. [2024-11-22 21:57:25,629 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 57 transitions. Word has length 21 [2024-11-22 21:57:25,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 21:57:25,629 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 57 transitions. [2024-11-22 21:57:25,629 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 21:57:25,629 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 57 transitions. [2024-11-22 21:57:25,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-22 21:57:25,629 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 21:57:25,629 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 21:57:25,637 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-22 21:57:25,830 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 21:57:25,830 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-22 21:57:25,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:57:25,830 INFO L85 PathProgramCache]: Analyzing trace with hash -635835539, now seen corresponding path program 1 times [2024-11-22 21:57:25,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:57:25,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469648589] [2024-11-22 21:57:25,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:57:25,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:57:25,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:57:25,886 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-22 21:57:25,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:57:25,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469648589] [2024-11-22 21:57:25,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1469648589] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 21:57:25,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [330976265] [2024-11-22 21:57:25,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:57:25,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 21:57:25,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 21:57:25,889 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 21:57:25,890 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-22 21:57:25,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:57:25,926 INFO L255 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-22 21:57:25,927 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 21:57:25,939 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-22 21:57:25,939 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 21:57:25,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [330976265] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:57:25,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 21:57:25,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-22 21:57:25,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093047840] [2024-11-22 21:57:25,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:57:25,942 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 21:57:25,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:57:25,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 21:57:25,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-22 21:57:25,943 INFO L87 Difference]: Start difference. First operand 50 states and 57 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 21:57:25,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 21:57:25,970 INFO L93 Difference]: Finished difference Result 61 states and 69 transitions. [2024-11-22 21:57:25,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 21:57:25,971 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2024-11-22 21:57:25,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 21:57:25,971 INFO L225 Difference]: With dead ends: 61 [2024-11-22 21:57:25,971 INFO L226 Difference]: Without dead ends: 60 [2024-11-22 21:57:25,972 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-22 21:57:25,972 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 10 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 21:57:25,972 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 71 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 21:57:25,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2024-11-22 21:57:25,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 51. [2024-11-22 21:57:25,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 45 states have (on average 1.288888888888889) internal successors, (58), 50 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 21:57:25,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 58 transitions. [2024-11-22 21:57:25,979 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 58 transitions. Word has length 22 [2024-11-22 21:57:25,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 21:57:25,980 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 58 transitions. [2024-11-22 21:57:25,980 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 21:57:25,980 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 58 transitions. [2024-11-22 21:57:25,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-22 21:57:25,980 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 21:57:25,981 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 21:57:25,994 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-22 21:57:26,181 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 21:57:26,182 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-22 21:57:26,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:57:26,182 INFO L85 PathProgramCache]: Analyzing trace with hash -1370650903, now seen corresponding path program 1 times [2024-11-22 21:57:26,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:57:26,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864724435] [2024-11-22 21:57:26,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:57:26,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:57:26,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:57:26,252 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-22 21:57:26,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:57:26,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864724435] [2024-11-22 21:57:26,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [864724435] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 21:57:26,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [309229126] [2024-11-22 21:57:26,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:57:26,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 21:57:26,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 21:57:26,254 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 21:57:26,258 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-22 21:57:26,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:57:26,301 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 21:57:26,302 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 21:57:26,323 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-22 21:57:26,327 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 21:57:26,371 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-22 21:57:26,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [309229126] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 21:57:26,372 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 21:57:26,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-22 21:57:26,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496045977] [2024-11-22 21:57:26,372 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 21:57:26,373 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-22 21:57:26,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:57:26,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-22 21:57:26,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-22 21:57:26,376 INFO L87 Difference]: Start difference. First operand 51 states and 58 transitions. Second operand has 10 states, 10 states have (on average 3.6) internal successors, (36), 10 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 21:57:26,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 21:57:26,422 INFO L93 Difference]: Finished difference Result 103 states and 118 transitions. [2024-11-22 21:57:26,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-22 21:57:26,422 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.6) internal successors, (36), 10 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2024-11-22 21:57:26,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 21:57:26,423 INFO L225 Difference]: With dead ends: 103 [2024-11-22 21:57:26,423 INFO L226 Difference]: Without dead ends: 59 [2024-11-22 21:57:26,423 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-22 21:57:26,424 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 2 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 21:57:26,424 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 225 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 21:57:26,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2024-11-22 21:57:26,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2024-11-22 21:57:26,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 53 states have (on average 1.2452830188679245) internal successors, (66), 58 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 21:57:26,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 66 transitions. [2024-11-22 21:57:26,429 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 66 transitions. Word has length 25 [2024-11-22 21:57:26,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 21:57:26,429 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 66 transitions. [2024-11-22 21:57:26,429 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.6) internal successors, (36), 10 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 21:57:26,430 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 66 transitions. [2024-11-22 21:57:26,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-22 21:57:26,430 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 21:57:26,431 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 21:57:26,439 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-22 21:57:26,631 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-22 21:57:26,632 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-22 21:57:26,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:57:26,633 INFO L85 PathProgramCache]: Analyzing trace with hash 2024267233, now seen corresponding path program 2 times [2024-11-22 21:57:26,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:57:26,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904476433] [2024-11-22 21:57:26,634 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 21:57:26,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:57:26,656 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-22 21:57:26,656 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 21:57:26,695 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-22 21:57:26,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:57:26,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904476433] [2024-11-22 21:57:26,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904476433] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:57:26,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 21:57:26,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 21:57:26,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533638208] [2024-11-22 21:57:26,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:57:26,696 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 21:57:26,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:57:26,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 21:57:26,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 21:57:26,697 INFO L87 Difference]: Start difference. First operand 59 states and 66 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 21:57:26,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 21:57:26,720 INFO L93 Difference]: Finished difference Result 90 states and 100 transitions. [2024-11-22 21:57:26,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 21:57:26,720 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2024-11-22 21:57:26,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 21:57:26,721 INFO L225 Difference]: With dead ends: 90 [2024-11-22 21:57:26,721 INFO L226 Difference]: Without dead ends: 72 [2024-11-22 21:57:26,721 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 21:57:26,722 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 13 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 21:57:26,723 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 100 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 21:57:26,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2024-11-22 21:57:26,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 60. [2024-11-22 21:57:26,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 54 states have (on average 1.2407407407407407) internal successors, (67), 59 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 21:57:26,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 67 transitions. [2024-11-22 21:57:26,726 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 67 transitions. Word has length 33 [2024-11-22 21:57:26,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 21:57:26,727 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 67 transitions. [2024-11-22 21:57:26,727 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 21:57:26,727 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 67 transitions. [2024-11-22 21:57:26,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-22 21:57:26,728 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 21:57:26,728 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 21:57:26,728 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-22 21:57:26,728 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-22 21:57:26,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:57:26,729 INFO L85 PathProgramCache]: Analyzing trace with hash -297891803, now seen corresponding path program 1 times [2024-11-22 21:57:26,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:57:26,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26115838] [2024-11-22 21:57:26,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:57:26,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:57:26,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:57:26,779 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-22 21:57:26,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:57:26,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26115838] [2024-11-22 21:57:26,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [26115838] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 21:57:26,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1343364963] [2024-11-22 21:57:26,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:57:26,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 21:57:26,780 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 21:57:26,782 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 21:57:26,791 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-22 21:57:26,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:57:26,844 INFO L255 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-22 21:57:26,845 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 21:57:26,902 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-22 21:57:26,902 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 21:57:26,979 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-22 21:57:26,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1343364963] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 21:57:26,980 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 21:57:26,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 9, 9] total 18 [2024-11-22 21:57:26,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555073031] [2024-11-22 21:57:26,980 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 21:57:26,980 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-22 21:57:26,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:57:26,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-22 21:57:26,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=229, Unknown=0, NotChecked=0, Total=306 [2024-11-22 21:57:26,981 INFO L87 Difference]: Start difference. First operand 60 states and 67 transitions. Second operand has 18 states, 18 states have (on average 3.5555555555555554) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 21:57:27,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 21:57:27,079 INFO L93 Difference]: Finished difference Result 148 states and 170 transitions. [2024-11-22 21:57:27,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-22 21:57:27,079 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.5555555555555554) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 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 35 [2024-11-22 21:57:27,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 21:57:27,080 INFO L225 Difference]: With dead ends: 148 [2024-11-22 21:57:27,080 INFO L226 Difference]: Without dead ends: 103 [2024-11-22 21:57:27,080 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=229, Unknown=0, NotChecked=0, Total=306 [2024-11-22 21:57:27,081 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 17 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 21:57:27,081 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 241 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 21:57:27,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2024-11-22 21:57:27,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 89. [2024-11-22 21:57:27,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 83 states have (on average 1.1686746987951808) internal successors, (97), 88 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 21:57:27,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 97 transitions. [2024-11-22 21:57:27,085 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 97 transitions. Word has length 35 [2024-11-22 21:57:27,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 21:57:27,085 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 97 transitions. [2024-11-22 21:57:27,085 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.5555555555555554) internal successors, (64), 18 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 21:57:27,085 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 97 transitions. [2024-11-22 21:57:27,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-22 21:57:27,086 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 21:57:27,086 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 21:57:27,092 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-22 21:57:27,286 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 21:57:27,287 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-22 21:57:27,287 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:57:27,287 INFO L85 PathProgramCache]: Analyzing trace with hash -1765397658, now seen corresponding path program 2 times [2024-11-22 21:57:27,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:57:27,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970103091] [2024-11-22 21:57:27,288 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 21:57:27,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:57:27,298 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-22 21:57:27,298 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 21:57:27,341 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-22 21:57:27,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:57:27,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970103091] [2024-11-22 21:57:27,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970103091] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:57:27,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 21:57:27,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 21:57:27,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123180617] [2024-11-22 21:57:27,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:57:27,347 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 21:57:27,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:57:27,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 21:57:27,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-22 21:57:27,347 INFO L87 Difference]: Start difference. First operand 89 states and 97 transitions. Second operand has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 21:57:27,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 21:57:27,388 INFO L93 Difference]: Finished difference Result 98 states and 107 transitions. [2024-11-22 21:57:27,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 21:57:27,388 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2024-11-22 21:57:27,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 21:57:27,389 INFO L225 Difference]: With dead ends: 98 [2024-11-22 21:57:27,389 INFO L226 Difference]: Without dead ends: 97 [2024-11-22 21:57:27,389 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-22 21:57:27,389 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 12 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 21:57:27,390 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 128 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 21:57:27,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2024-11-22 21:57:27,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 95. [2024-11-22 21:57:27,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 89 states have (on average 1.1797752808988764) internal successors, (105), 94 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 21:57:27,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 105 transitions. [2024-11-22 21:57:27,393 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 105 transitions. Word has length 57 [2024-11-22 21:57:27,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 21:57:27,393 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 105 transitions. [2024-11-22 21:57:27,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 21:57:27,394 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 105 transitions. [2024-11-22 21:57:27,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-22 21:57:27,394 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 21:57:27,395 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 21:57:27,395 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-22 21:57:27,395 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-22 21:57:27,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:57:27,395 INFO L85 PathProgramCache]: Analyzing trace with hash 1107247590, now seen corresponding path program 1 times [2024-11-22 21:57:27,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:57:27,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967929813] [2024-11-22 21:57:27,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:57:27,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:57:27,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:57:27,441 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-22 21:57:27,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:57:27,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967929813] [2024-11-22 21:57:27,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [967929813] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:57:27,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 21:57:27,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 21:57:27,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481369921] [2024-11-22 21:57:27,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:57:27,442 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 21:57:27,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:57:27,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 21:57:27,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 21:57:27,443 INFO L87 Difference]: Start difference. First operand 95 states and 105 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 21:57:27,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 21:57:27,453 INFO L93 Difference]: Finished difference Result 95 states and 105 transitions. [2024-11-22 21:57:27,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 21:57:27,454 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2024-11-22 21:57:27,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 21:57:27,454 INFO L225 Difference]: With dead ends: 95 [2024-11-22 21:57:27,454 INFO L226 Difference]: Without dead ends: 94 [2024-11-22 21:57:27,455 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 21:57:27,455 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 0 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 21:57:27,455 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 106 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 21:57:27,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-11-22 21:57:27,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2024-11-22 21:57:27,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 89 states have (on average 1.1573033707865168) internal successors, (103), 93 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 21:57:27,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 103 transitions. [2024-11-22 21:57:27,459 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 103 transitions. Word has length 58 [2024-11-22 21:57:27,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 21:57:27,459 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 103 transitions. [2024-11-22 21:57:27,459 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 21:57:27,459 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 103 transitions. [2024-11-22 21:57:27,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-22 21:57:27,460 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 21:57:27,460 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 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] [2024-11-22 21:57:27,460 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-22 21:57:27,461 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-22 21:57:27,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:57:27,461 INFO L85 PathProgramCache]: Analyzing trace with hash 664236496, now seen corresponding path program 1 times [2024-11-22 21:57:27,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:57:27,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916800963] [2024-11-22 21:57:27,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:57:27,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:57:27,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:57:27,544 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2024-11-22 21:57:27,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:57:27,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916800963] [2024-11-22 21:57:27,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916800963] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:57:27,544 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 21:57:27,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 21:57:27,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752957540] [2024-11-22 21:57:27,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:57:27,545 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 21:57:27,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:57:27,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 21:57:27,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 21:57:27,546 INFO L87 Difference]: Start difference. First operand 94 states and 103 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 21:57:27,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 21:57:27,569 INFO L93 Difference]: Finished difference Result 99 states and 108 transitions. [2024-11-22 21:57:27,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 21:57:27,570 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2024-11-22 21:57:27,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 21:57:27,570 INFO L225 Difference]: With dead ends: 99 [2024-11-22 21:57:27,571 INFO L226 Difference]: Without dead ends: 97 [2024-11-22 21:57:27,571 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 21:57:27,571 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 1 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 21:57:27,571 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 98 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 21:57:27,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2024-11-22 21:57:27,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2024-11-22 21:57:27,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 92 states have (on average 1.1521739130434783) internal successors, (106), 96 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 21:57:27,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 106 transitions. [2024-11-22 21:57:27,577 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 106 transitions. Word has length 61 [2024-11-22 21:57:27,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 21:57:27,578 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 106 transitions. [2024-11-22 21:57:27,578 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 21:57:27,578 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 106 transitions. [2024-11-22 21:57:27,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-22 21:57:27,579 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 21:57:27,579 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 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] [2024-11-22 21:57:27,579 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-22 21:57:27,579 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-22 21:57:27,580 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:57:27,580 INFO L85 PathProgramCache]: Analyzing trace with hash 1355265286, now seen corresponding path program 1 times [2024-11-22 21:57:27,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:57:27,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942096766] [2024-11-22 21:57:27,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:57:27,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:57:27,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:57:27,651 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2024-11-22 21:57:27,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:57:27,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942096766] [2024-11-22 21:57:27,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [942096766] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 21:57:27,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [357165066] [2024-11-22 21:57:27,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:57:27,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 21:57:27,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 21:57:27,655 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 21:57:27,656 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-22 21:57:27,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:57:27,725 INFO L255 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-22 21:57:27,727 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 21:57:27,918 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-22 21:57:27,919 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 21:57:28,301 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-22 21:57:28,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [357165066] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 21:57:28,301 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 21:57:28,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 17, 17] total 35 [2024-11-22 21:57:28,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202173038] [2024-11-22 21:57:28,301 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 21:57:28,302 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-11-22 21:57:28,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:57:28,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-11-22 21:57:28,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=278, Invalid=912, Unknown=0, NotChecked=0, Total=1190 [2024-11-22 21:57:28,303 INFO L87 Difference]: Start difference. First operand 97 states and 106 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 21:57:28,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 21:57:28,453 INFO L93 Difference]: Finished difference Result 206 states and 234 transitions. [2024-11-22 21:57:28,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-22 21:57:28,454 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 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 64 [2024-11-22 21:57:28,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 21:57:28,455 INFO L225 Difference]: With dead ends: 206 [2024-11-22 21:57:28,455 INFO L226 Difference]: Without dead ends: 140 [2024-11-22 21:57:28,455 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 237 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=278, Invalid=912, Unknown=0, NotChecked=0, Total=1190 [2024-11-22 21:57:28,456 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 12 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 21:57:28,456 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 224 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 21:57:28,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2024-11-22 21:57:28,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 131. [2024-11-22 21:57:28,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 126 states have (on average 1.1111111111111112) internal successors, (140), 130 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 21:57:28,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 140 transitions. [2024-11-22 21:57:28,463 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 140 transitions. Word has length 64 [2024-11-22 21:57:28,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 21:57:28,464 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 140 transitions. [2024-11-22 21:57:28,464 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 21:57:28,464 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 140 transitions. [2024-11-22 21:57:28,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-22 21:57:28,466 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 21:57:28,467 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 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] [2024-11-22 21:57:28,475 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-22 21:57:28,670 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-22 21:57:28,670 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-22 21:57:28,671 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:57:28,671 INFO L85 PathProgramCache]: Analyzing trace with hash 611850248, now seen corresponding path program 1 times [2024-11-22 21:57:28,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:57:28,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379731144] [2024-11-22 21:57:28,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:57:28,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:57:28,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:57:28,735 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 446 trivial. 0 not checked. [2024-11-22 21:57:28,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:57:28,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379731144] [2024-11-22 21:57:28,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379731144] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:57:28,736 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 21:57:28,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 21:57:28,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052853997] [2024-11-22 21:57:28,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:57:28,736 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 21:57:28,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:57:28,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 21:57:28,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 21:57:28,737 INFO L87 Difference]: Start difference. First operand 131 states and 140 transitions. Second operand has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 21:57:28,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 21:57:28,753 INFO L93 Difference]: Finished difference Result 131 states and 140 transitions. [2024-11-22 21:57:28,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 21:57:28,754 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 97 [2024-11-22 21:57:28,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 21:57:28,754 INFO L225 Difference]: With dead ends: 131 [2024-11-22 21:57:28,754 INFO L226 Difference]: Without dead ends: 130 [2024-11-22 21:57:28,754 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 21:57:28,755 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 9 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 21:57:28,755 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 60 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 21:57:28,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2024-11-22 21:57:28,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2024-11-22 21:57:28,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 126 states have (on average 1.1031746031746033) internal successors, (139), 129 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 21:57:28,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 139 transitions. [2024-11-22 21:57:28,758 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 139 transitions. Word has length 97 [2024-11-22 21:57:28,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 21:57:28,758 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 139 transitions. [2024-11-22 21:57:28,758 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 21:57:28,759 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 139 transitions. [2024-11-22 21:57:28,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-22 21:57:28,759 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 21:57:28,759 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 21:57:28,759 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-22 21:57:28,759 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-22 21:57:28,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:57:28,760 INFO L85 PathProgramCache]: Analyzing trace with hash -210349970, now seen corresponding path program 1 times [2024-11-22 21:57:28,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:57:28,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140048802] [2024-11-22 21:57:28,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:57:28,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:57:28,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:57:28,822 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 447 trivial. 0 not checked. [2024-11-22 21:57:28,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:57:28,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140048802] [2024-11-22 21:57:28,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2140048802] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:57:28,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 21:57:28,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 21:57:28,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371058509] [2024-11-22 21:57:28,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:57:28,823 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 21:57:28,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:57:28,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 21:57:28,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 21:57:28,823 INFO L87 Difference]: Start difference. First operand 130 states and 139 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 21:57:28,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 21:57:28,843 INFO L93 Difference]: Finished difference Result 130 states and 139 transitions. [2024-11-22 21:57:28,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 21:57:28,843 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2024-11-22 21:57:28,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 21:57:28,844 INFO L225 Difference]: With dead ends: 130 [2024-11-22 21:57:28,844 INFO L226 Difference]: Without dead ends: 128 [2024-11-22 21:57:28,844 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 21:57:28,844 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 9 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 21:57:28,844 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 83 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 21:57:28,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2024-11-22 21:57:28,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 126. [2024-11-22 21:57:28,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 124 states have (on average 1.0887096774193548) internal successors, (135), 125 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 21:57:28,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 135 transitions. [2024-11-22 21:57:28,848 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 135 transitions. Word has length 100 [2024-11-22 21:57:28,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 21:57:28,848 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 135 transitions. [2024-11-22 21:57:28,848 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 21:57:28,848 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 135 transitions. [2024-11-22 21:57:28,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-22 21:57:28,848 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 21:57:28,849 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 21:57:28,849 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-22 21:57:28,849 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-22 21:57:28,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:57:28,849 INFO L85 PathProgramCache]: Analyzing trace with hash 2069085670, now seen corresponding path program 1 times [2024-11-22 21:57:28,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:57:28,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934346287] [2024-11-22 21:57:28,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:57:28,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:57:28,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:57:28,922 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 446 trivial. 0 not checked. [2024-11-22 21:57:28,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:57:28,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934346287] [2024-11-22 21:57:28,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934346287] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:57:28,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 21:57:28,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 21:57:28,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711903031] [2024-11-22 21:57:28,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:57:28,923 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 21:57:28,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:57:28,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 21:57:28,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 21:57:28,923 INFO L87 Difference]: Start difference. First operand 126 states and 135 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 21:57:28,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 21:57:28,939 INFO L93 Difference]: Finished difference Result 126 states and 135 transitions. [2024-11-22 21:57:28,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 21:57:28,940 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2024-11-22 21:57:28,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 21:57:28,940 INFO L225 Difference]: With dead ends: 126 [2024-11-22 21:57:28,940 INFO L226 Difference]: Without dead ends: 125 [2024-11-22 21:57:28,940 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 21:57:28,941 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 7 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 21:57:28,941 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 83 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 21:57:28,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2024-11-22 21:57:28,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 122. [2024-11-22 21:57:28,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 121 states have (on average 1.0826446280991735) internal successors, (131), 121 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 21:57:28,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 131 transitions. [2024-11-22 21:57:28,944 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 131 transitions. Word has length 101 [2024-11-22 21:57:28,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 21:57:28,944 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 131 transitions. [2024-11-22 21:57:28,944 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 21:57:28,945 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 131 transitions. [2024-11-22 21:57:28,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-22 21:57:28,945 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 21:57:28,945 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 21:57:28,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-22 21:57:28,945 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-22 21:57:28,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:57:28,946 INFO L85 PathProgramCache]: Analyzing trace with hash -281375886, now seen corresponding path program 1 times [2024-11-22 21:57:28,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:57:28,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34929560] [2024-11-22 21:57:28,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:57:28,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:57:28,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:57:29,024 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 445 trivial. 0 not checked. [2024-11-22 21:57:29,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:57:29,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34929560] [2024-11-22 21:57:29,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34929560] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 21:57:29,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [153424207] [2024-11-22 21:57:29,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:57:29,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 21:57:29,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 21:57:29,027 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 21:57:29,037 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-22 21:57:29,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:57:29,111 INFO L255 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-22 21:57:29,113 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 21:57:29,660 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-22 21:57:29,660 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 21:57:30,610 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-22 21:57:30,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [153424207] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 21:57:30,610 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 21:57:30,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 33, 33] total 67 [2024-11-22 21:57:30,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783150838] [2024-11-22 21:57:30,610 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 21:57:30,611 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 67 states [2024-11-22 21:57:30,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:57:30,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2024-11-22 21:57:30,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1065, Invalid=3357, Unknown=0, NotChecked=0, Total=4422 [2024-11-22 21:57:30,613 INFO L87 Difference]: Start difference. First operand 122 states and 131 transitions. Second operand has 67 states, 67 states have (on average 2.5671641791044775) internal successors, (172), 67 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 21:57:30,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 21:57:30,835 INFO L93 Difference]: Finished difference Result 275 states and 314 transitions. [2024-11-22 21:57:30,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-11-22 21:57:30,835 INFO L78 Accepts]: Start accepts. Automaton has has 67 states, 67 states have (on average 2.5671641791044775) internal successors, (172), 67 states have internal predecessors, (172), 0 states have call successors, (0), 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 102 [2024-11-22 21:57:30,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 21:57:30,836 INFO L225 Difference]: With dead ends: 275 [2024-11-22 21:57:30,836 INFO L226 Difference]: Without dead ends: 216 [2024-11-22 21:57:30,838 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1233 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1065, Invalid=3357, Unknown=0, NotChecked=0, Total=4422 [2024-11-22 21:57:30,838 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 27 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 273 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 21:57:30,838 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 220 Invalid, 274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 273 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 21:57:30,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2024-11-22 21:57:30,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 202. [2024-11-22 21:57:30,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 201 states have (on average 1.0597014925373134) internal successors, (213), 201 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 21:57:30,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 213 transitions. [2024-11-22 21:57:30,843 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 213 transitions. Word has length 102 [2024-11-22 21:57:30,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 21:57:30,843 INFO L471 AbstractCegarLoop]: Abstraction has 202 states and 213 transitions. [2024-11-22 21:57:30,843 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 67 states, 67 states have (on average 2.5671641791044775) internal successors, (172), 67 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 21:57:30,843 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 213 transitions. [2024-11-22 21:57:30,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-22 21:57:30,844 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 21:57:30,844 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 31, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 21:57:30,851 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-22 21:57:31,044 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 21:57:31,045 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-22 21:57:31,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:57:31,045 INFO L85 PathProgramCache]: Analyzing trace with hash -2088378687, now seen corresponding path program 2 times [2024-11-22 21:57:31,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:57:31,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755553323] [2024-11-22 21:57:31,046 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 21:57:31,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:57:31,066 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-22 21:57:31,066 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 21:57:31,092 INFO L134 CoverageAnalysis]: Checked inductivity of 1923 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1916 trivial. 0 not checked. [2024-11-22 21:57:31,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:57:31,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755553323] [2024-11-22 21:57:31,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1755553323] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:57:31,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 21:57:31,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 21:57:31,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977481751] [2024-11-22 21:57:31,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:57:31,093 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 21:57:31,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:57:31,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 21:57:31,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 21:57:31,094 INFO L87 Difference]: Start difference. First operand 202 states and 213 transitions. Second operand has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 21:57:31,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 21:57:31,123 INFO L93 Difference]: Finished difference Result 202 states and 213 transitions. [2024-11-22 21:57:31,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 21:57:31,123 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2024-11-22 21:57:31,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 21:57:31,123 INFO L225 Difference]: With dead ends: 202 [2024-11-22 21:57:31,123 INFO L226 Difference]: Without dead ends: 0 [2024-11-22 21:57:31,124 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-22 21:57:31,125 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 10 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 21:57:31,125 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 102 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 21:57:31,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-22 21:57:31,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-22 21:57:31,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 21:57:31,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-22 21:57:31,126 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 172 [2024-11-22 21:57:31,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 21:57:31,126 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-22 21:57:31,127 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 21:57:31,127 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-22 21:57:31,127 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-22 21:57:31,129 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 16 remaining) [2024-11-22 21:57:31,130 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 16 remaining) [2024-11-22 21:57:31,130 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 16 remaining) [2024-11-22 21:57:31,130 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 16 remaining) [2024-11-22 21:57:31,130 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 16 remaining) [2024-11-22 21:57:31,130 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 16 remaining) [2024-11-22 21:57:31,130 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 16 remaining) [2024-11-22 21:57:31,130 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 16 remaining) [2024-11-22 21:57:31,130 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 16 remaining) [2024-11-22 21:57:31,131 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 16 remaining) [2024-11-22 21:57:31,131 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 16 remaining) [2024-11-22 21:57:31,131 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 16 remaining) [2024-11-22 21:57:31,131 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 16 remaining) [2024-11-22 21:57:31,131 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 16 remaining) [2024-11-22 21:57:31,131 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 16 remaining) [2024-11-22 21:57:31,131 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 16 remaining) [2024-11-22 21:57:31,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-22 21:57:31,134 INFO L407 BasicCegarLoop]: Path program histogram: [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 21:57:31,136 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-22 21:57:31,229 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-22 21:57:31,249 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 09:57:31 BoogieIcfgContainer [2024-11-22 21:57:31,249 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-22 21:57:31,249 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-22 21:57:31,249 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-22 21:57:31,250 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-22 21:57:31,250 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:57:23" (3/4) ... [2024-11-22 21:57:31,251 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-22 21:57:31,267 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-22 21:57:31,267 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-22 21:57:31,268 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-22 21:57:31,268 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-22 21:57:31,380 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-22 21:57:31,380 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-22 21:57:31,380 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-22 21:57:31,381 INFO L158 Benchmark]: Toolchain (without parser) took 8942.29ms. Allocated memory was 209.7MB in the beginning and 251.7MB in the end (delta: 41.9MB). Free memory was 180.0MB in the beginning and 116.8MB in the end (delta: 63.2MB). Peak memory consumption was 104.8MB. Max. memory is 16.1GB. [2024-11-22 21:57:31,381 INFO L158 Benchmark]: CDTParser took 0.74ms. Allocated memory is still 140.5MB. Free memory was 103.1MB in the beginning and 102.9MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 21:57:31,381 INFO L158 Benchmark]: CACSL2BoogieTranslator took 242.96ms. Allocated memory is still 209.7MB. Free memory was 179.8MB in the beginning and 173.2MB in the end (delta: 6.6MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. [2024-11-22 21:57:31,381 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.95ms. Allocated memory is still 209.7MB. Free memory was 172.3MB in the beginning and 171.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-22 21:57:31,381 INFO L158 Benchmark]: Boogie Preprocessor took 34.15ms. Allocated memory is still 209.7MB. Free memory was 171.1MB in the beginning and 169.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-22 21:57:31,382 INFO L158 Benchmark]: RCFGBuilder took 316.98ms. Allocated memory is still 209.7MB. Free memory was 169.0MB in the beginning and 154.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-22 21:57:31,382 INFO L158 Benchmark]: TraceAbstraction took 8184.57ms. Allocated memory was 209.7MB in the beginning and 251.7MB in the end (delta: 41.9MB). Free memory was 154.3MB in the beginning and 122.1MB in the end (delta: 32.3MB). Peak memory consumption was 73.0MB. Max. memory is 16.1GB. [2024-11-22 21:57:31,385 INFO L158 Benchmark]: Witness Printer took 130.68ms. Allocated memory is still 251.7MB. Free memory was 122.1MB in the beginning and 116.8MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-22 21:57:31,385 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.74ms. Allocated memory is still 140.5MB. Free memory was 103.1MB in the beginning and 102.9MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 242.96ms. Allocated memory is still 209.7MB. Free memory was 179.8MB in the beginning and 173.2MB in the end (delta: 6.6MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.95ms. Allocated memory is still 209.7MB. Free memory was 172.3MB in the beginning and 171.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.15ms. Allocated memory is still 209.7MB. Free memory was 171.1MB in the beginning and 169.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 316.98ms. Allocated memory is still 209.7MB. Free memory was 169.0MB in the beginning and 154.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 8184.57ms. Allocated memory was 209.7MB in the beginning and 251.7MB in the end (delta: 41.9MB). Free memory was 154.3MB in the beginning and 122.1MB in the end (delta: 32.3MB). Peak memory consumption was 73.0MB. Max. memory is 16.1GB. * Witness Printer took 130.68ms. Allocated memory is still 251.7MB. Free memory was 122.1MB in the beginning and 116.8MB in the end (delta: 5.2MB). 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: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: 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: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 55 locations, 16 error locations. Started 1 CEGAR loops. OverallTime: 8.0s, OverallIterations: 21, TraceHistogramMax: 31, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 183 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 183 mSDsluCounter, 2577 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1793 mSDsCounter, 30 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 985 IncrementalHoareTripleChecker+Invalid, 1015 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 30 mSolverCounterUnsat, 784 mSDtfsCounter, 985 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 632 GetRequests, 455 SyntacticMatches, 0 SemanticMatches, 177 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1550 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=202occurred in iteration=20, InterpolantAutomatonStates: 189, 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, 21 MinimizatonAttempts, 97 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 1356 NumberOfCodeBlocks, 1134 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 1546 ConstructedInterpolants, 0 QuantifiedInterpolants, 2306 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1125 ConjunctsInSsa, 77 ConjunctsInUnsatCore, 36 InterpolantComputations, 17 PerfectInterpolantSequences, 4256/5361 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 16 specifications checked. All of them hold - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 41]: Loop Invariant Derived loop invariant: (((0 <= (2147483649 + x)) && (x <= 99999)) && (0 <= (y + 2147483648))) - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: ((0 < j) || (j == 0)) - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: (0 < (2147483650 + x)) - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: (0 < i) RESULT: Ultimate proved your program to be correct! [2024-11-22 21:57:31,410 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE