./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/array-crafted/bAnd2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8fc3dc66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/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_1.6.800.v20240513-1750.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-crafted/bAnd2.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 a719405da03132817ea2d2d0b1cf4a57bb1050c6860d4dd23b83fe81ff2289e3 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 14:39:12,272 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 14:39:12,324 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-03-17 14:39:12,329 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 14:39:12,331 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 14:39:12,349 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 14:39:12,350 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 14:39:12,350 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 14:39:12,350 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 14:39:12,350 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 14:39:12,351 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 14:39:12,351 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 14:39:12,351 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 14:39:12,352 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 14:39:12,352 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 14:39:12,352 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 14:39:12,352 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 14:39:12,352 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-17 14:39:12,352 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 14:39:12,352 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-17 14:39:12,353 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 14:39:12,353 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 14:39:12,353 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 14:39:12,353 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 14:39:12,353 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-17 14:39:12,353 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-17 14:39:12,353 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-17 14:39:12,353 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 14:39:12,353 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 14:39:12,353 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 14:39:12,353 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 14:39:12,354 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 14:39:12,354 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 14:39:12,354 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 14:39:12,354 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 14:39:12,354 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 14:39:12,354 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 14:39:12,354 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 14:39:12,354 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 14:39:12,355 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 14:39:12,355 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 14:39:12,355 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 14:39:12,355 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 14:39:12,355 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 14:39:12,355 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 14:39:12,355 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> a719405da03132817ea2d2d0b1cf4a57bb1050c6860d4dd23b83fe81ff2289e3 [2025-03-17 14:39:12,565 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 14:39:12,572 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 14:39:12,576 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 14:39:12,576 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 14:39:12,577 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 14:39:12,578 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-crafted/bAnd2.i [2025-03-17 14:39:13,691 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/970d47191/db5d807d3fa24922ad3675ef935b91fc/FLAGdb47a74e0 [2025-03-17 14:39:13,884 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 14:39:13,885 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-crafted/bAnd2.i [2025-03-17 14:39:13,890 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/970d47191/db5d807d3fa24922ad3675ef935b91fc/FLAGdb47a74e0 [2025-03-17 14:39:14,244 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/970d47191/db5d807d3fa24922ad3675ef935b91fc [2025-03-17 14:39:14,246 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 14:39:14,247 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 14:39:14,248 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 14:39:14,248 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 14:39:14,251 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 14:39:14,252 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 02:39:14" (1/1) ... [2025-03-17 14:39:14,253 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@243b805b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:39:14, skipping insertion in model container [2025-03-17 14:39:14,253 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 02:39:14" (1/1) ... [2025-03-17 14:39:14,266 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 14:39:14,360 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 14:39:14,366 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 14:39:14,381 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 14:39:14,395 INFO L204 MainTranslator]: Completed translation [2025-03-17 14:39:14,396 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:39:14 WrapperNode [2025-03-17 14:39:14,396 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 14:39:14,396 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 14:39:14,396 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 14:39:14,396 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 14:39:14,400 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:39:14" (1/1) ... [2025-03-17 14:39:14,405 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:39:14" (1/1) ... [2025-03-17 14:39:14,415 INFO L138 Inliner]: procedures = 16, calls = 32, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 79 [2025-03-17 14:39:14,415 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 14:39:14,416 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 14:39:14,416 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 14:39:14,416 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 14:39:14,421 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:39:14" (1/1) ... [2025-03-17 14:39:14,421 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:39:14" (1/1) ... [2025-03-17 14:39:14,423 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:39:14" (1/1) ... [2025-03-17 14:39:14,431 INFO L175 MemorySlicer]: Split 21 memory accesses to 3 slices as follows [2, 8, 11]. 52 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 8, 0]. The 5 writes are split as follows [0, 0, 5]. [2025-03-17 14:39:14,431 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:39:14" (1/1) ... [2025-03-17 14:39:14,431 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:39:14" (1/1) ... [2025-03-17 14:39:14,435 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:39:14" (1/1) ... [2025-03-17 14:39:14,435 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:39:14" (1/1) ... [2025-03-17 14:39:14,436 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:39:14" (1/1) ... [2025-03-17 14:39:14,436 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:39:14" (1/1) ... [2025-03-17 14:39:14,437 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 14:39:14,438 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 14:39:14,438 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 14:39:14,438 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 14:39:14,439 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:39:14" (1/1) ... [2025-03-17 14:39:14,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 14:39:14,453 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 14:39:14,466 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) [2025-03-17 14:39:14,471 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 [2025-03-17 14:39:14,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 14:39:14,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 14:39:14,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-17 14:39:14,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-17 14:39:14,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-17 14:39:14,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-17 14:39:14,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-17 14:39:14,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-17 14:39:14,486 INFO L130 BoogieDeclarations]: Found specification of procedure bAnd [2025-03-17 14:39:14,486 INFO L138 BoogieDeclarations]: Found implementation of procedure bAnd [2025-03-17 14:39:14,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 14:39:14,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 14:39:14,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-17 14:39:14,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-17 14:39:14,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-17 14:39:14,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 14:39:14,539 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 14:39:14,541 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 14:39:14,722 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L31: call ULTIMATE.dealloc(main_~#x~0#1.base, main_~#x~0#1.offset);havoc main_~#x~0#1.base, main_~#x~0#1.offset; [2025-03-17 14:39:14,741 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live. [2025-03-17 14:39:14,742 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 14:39:14,756 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 14:39:14,757 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 14:39:14,757 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 02:39:14 BoogieIcfgContainer [2025-03-17 14:39:14,757 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 14:39:14,760 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 14:39:14,760 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 14:39:14,764 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 14:39:14,765 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 02:39:14" (1/3) ... [2025-03-17 14:39:14,766 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21fb1ab3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 02:39:14, skipping insertion in model container [2025-03-17 14:39:14,766 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:39:14" (2/3) ... [2025-03-17 14:39:14,766 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21fb1ab3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 02:39:14, skipping insertion in model container [2025-03-17 14:39:14,767 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 02:39:14" (3/3) ... [2025-03-17 14:39:14,768 INFO L128 eAbstractionObserver]: Analyzing ICFG bAnd2.i [2025-03-17 14:39:14,777 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 14:39:14,778 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG bAnd2.i that has 2 procedures, 40 locations, 1 initial locations, 3 loop locations, and 8 error locations. [2025-03-17 14:39:14,816 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 14:39:14,825 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;@612fc887, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 14:39:14,827 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2025-03-17 14:39:14,829 INFO L276 IsEmpty]: Start isEmpty. Operand has 40 states, 27 states have (on average 1.5555555555555556) internal successors, (42), 35 states have internal predecessors, (42), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-17 14:39:14,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2025-03-17 14:39:14,832 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:39:14,833 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1] [2025-03-17 14:39:14,833 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [bAndErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bAndErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-17 14:39:14,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:39:14,836 INFO L85 PathProgramCache]: Analyzing trace with hash 75436, now seen corresponding path program 1 times [2025-03-17 14:39:14,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:39:14,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174754962] [2025-03-17 14:39:14,844 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:39:14,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:39:14,888 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-03-17 14:39:14,904 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-03-17 14:39:14,905 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:39:14,905 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:39:14,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:39:14,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:39:14,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174754962] [2025-03-17 14:39:14,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174754962] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 14:39:14,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 14:39:14,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 14:39:14,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688537433] [2025-03-17 14:39:14,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 14:39:14,999 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 14:39:14,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:39:15,012 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 14:39:15,012 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 14:39:15,013 INFO L87 Difference]: Start difference. First operand has 40 states, 27 states have (on average 1.5555555555555556) internal successors, (42), 35 states have internal predecessors, (42), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:39:15,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 14:39:15,066 INFO L93 Difference]: Finished difference Result 78 states and 94 transitions. [2025-03-17 14:39:15,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 14:39:15,068 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 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 3 [2025-03-17 14:39:15,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 14:39:15,072 INFO L225 Difference]: With dead ends: 78 [2025-03-17 14:39:15,072 INFO L226 Difference]: Without dead ends: 35 [2025-03-17 14:39:15,074 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 14:39:15,076 INFO L435 NwaCegarLoop]: 41 mSDtfsCounter, 1 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 14:39:15,076 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 116 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 14:39:15,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2025-03-17 14:39:15,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2025-03-17 14:39:15,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 23 states have (on average 1.565217391304348) internal successors, (36), 31 states have internal predecessors, (36), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-17 14:39:15,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 41 transitions. [2025-03-17 14:39:15,101 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 41 transitions. Word has length 3 [2025-03-17 14:39:15,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 14:39:15,102 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 41 transitions. [2025-03-17 14:39:15,102 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:39:15,102 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 41 transitions. [2025-03-17 14:39:15,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-03-17 14:39:15,102 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:39:15,102 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2025-03-17 14:39:15,102 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-17 14:39:15,102 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [bAndErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bAndErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-17 14:39:15,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:39:15,103 INFO L85 PathProgramCache]: Analyzing trace with hash -2047642371, now seen corresponding path program 1 times [2025-03-17 14:39:15,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:39:15,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792685025] [2025-03-17 14:39:15,103 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:39:15,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:39:15,115 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-17 14:39:15,123 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-17 14:39:15,123 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:39:15,123 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:39:15,202 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:39:15,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:39:15,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792685025] [2025-03-17 14:39:15,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [792685025] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 14:39:15,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [301641050] [2025-03-17 14:39:15,203 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:39:15,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 14:39:15,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 14:39:15,205 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) [2025-03-17 14:39:15,207 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-17 14:39:15,246 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-17 14:39:15,255 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-17 14:39:15,255 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:39:15,256 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:39:15,257 INFO L256 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-17 14:39:15,259 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 14:39:15,296 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:39:15,297 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 14:39:15,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [301641050] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 14:39:15,297 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 14:39:15,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2025-03-17 14:39:15,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045601300] [2025-03-17 14:39:15,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 14:39:15,298 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 14:39:15,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:39:15,298 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 14:39:15,298 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-17 14:39:15,299 INFO L87 Difference]: Start difference. First operand 35 states and 41 transitions. Second operand has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:39:15,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 14:39:15,324 INFO L93 Difference]: Finished difference Result 35 states and 41 transitions. [2025-03-17 14:39:15,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 14:39:15,325 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2025-03-17 14:39:15,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 14:39:15,325 INFO L225 Difference]: With dead ends: 35 [2025-03-17 14:39:15,325 INFO L226 Difference]: Without dead ends: 34 [2025-03-17 14:39:15,326 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-17 14:39:15,326 INFO L435 NwaCegarLoop]: 31 mSDtfsCounter, 1 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 14:39:15,326 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 121 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 14:39:15,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2025-03-17 14:39:15,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2025-03-17 14:39:15,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 23 states have (on average 1.5217391304347827) internal successors, (35), 30 states have internal predecessors, (35), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-17 14:39:15,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 40 transitions. [2025-03-17 14:39:15,329 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 40 transitions. Word has length 6 [2025-03-17 14:39:15,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 14:39:15,330 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 40 transitions. [2025-03-17 14:39:15,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:39:15,330 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 40 transitions. [2025-03-17 14:39:15,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-03-17 14:39:15,330 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:39:15,330 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1] [2025-03-17 14:39:15,336 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-17 14:39:15,534 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 [2025-03-17 14:39:15,534 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [bAndErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bAndErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-17 14:39:15,534 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:39:15,534 INFO L85 PathProgramCache]: Analyzing trace with hash 947595950, now seen corresponding path program 1 times [2025-03-17 14:39:15,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:39:15,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444570334] [2025-03-17 14:39:15,535 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:39:15,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:39:15,543 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-17 14:39:15,550 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-17 14:39:15,553 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:39:15,553 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:39:15,605 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-17 14:39:15,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:39:15,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444570334] [2025-03-17 14:39:15,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444570334] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 14:39:15,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 14:39:15,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 14:39:15,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927886230] [2025-03-17 14:39:15,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 14:39:15,606 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 14:39:15,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:39:15,607 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 14:39:15,607 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 14:39:15,607 INFO L87 Difference]: Start difference. First operand 34 states and 40 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:39:15,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 14:39:15,616 INFO L93 Difference]: Finished difference Result 34 states and 40 transitions. [2025-03-17 14:39:15,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 14:39:15,617 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2025-03-17 14:39:15,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 14:39:15,617 INFO L225 Difference]: With dead ends: 34 [2025-03-17 14:39:15,617 INFO L226 Difference]: Without dead ends: 33 [2025-03-17 14:39:15,617 INFO L434 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 [2025-03-17 14:39:15,618 INFO L435 NwaCegarLoop]: 33 mSDtfsCounter, 0 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 14:39:15,618 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 64 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 14:39:15,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2025-03-17 14:39:15,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 31. [2025-03-17 14:39:15,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 21 states have (on average 1.5238095238095237) internal successors, (32), 27 states have internal predecessors, (32), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-17 14:39:15,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 37 transitions. [2025-03-17 14:39:15,621 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 37 transitions. Word has length 7 [2025-03-17 14:39:15,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 14:39:15,621 INFO L471 AbstractCegarLoop]: Abstraction has 31 states and 37 transitions. [2025-03-17 14:39:15,621 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:39:15,621 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 37 transitions. [2025-03-17 14:39:15,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2025-03-17 14:39:15,622 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:39:15,622 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 14:39:15,622 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-17 14:39:15,622 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting bAndErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [bAndErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bAndErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-17 14:39:15,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:39:15,623 INFO L85 PathProgramCache]: Analyzing trace with hash -508331268, now seen corresponding path program 1 times [2025-03-17 14:39:15,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:39:15,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425382287] [2025-03-17 14:39:15,623 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:39:15,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:39:15,628 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-03-17 14:39:15,631 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-03-17 14:39:15,631 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:39:15,631 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:39:15,688 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:39:15,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:39:15,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425382287] [2025-03-17 14:39:15,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425382287] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 14:39:15,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [648283383] [2025-03-17 14:39:15,689 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:39:15,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 14:39:15,689 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 14:39:15,690 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) [2025-03-17 14:39:15,692 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-17 14:39:15,727 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-03-17 14:39:15,740 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-03-17 14:39:15,740 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:39:15,740 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:39:15,741 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-17 14:39:15,741 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 14:39:15,761 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:39:15,761 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 14:39:15,788 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:39:15,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [648283383] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 14:39:15,788 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 14:39:15,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2025-03-17 14:39:15,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283999349] [2025-03-17 14:39:15,788 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 14:39:15,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-17 14:39:15,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:39:15,789 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-17 14:39:15,789 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2025-03-17 14:39:15,790 INFO L87 Difference]: Start difference. First operand 31 states and 37 transitions. Second operand has 10 states, 10 states have (on average 1.9) internal successors, (19), 9 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:39:15,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 14:39:15,816 INFO L93 Difference]: Finished difference Result 63 states and 76 transitions. [2025-03-17 14:39:15,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-17 14:39:15,818 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.9) internal successors, (19), 9 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2025-03-17 14:39:15,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 14:39:15,819 INFO L225 Difference]: With dead ends: 63 [2025-03-17 14:39:15,819 INFO L226 Difference]: Without dead ends: 37 [2025-03-17 14:39:15,819 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2025-03-17 14:39:15,819 INFO L435 NwaCegarLoop]: 32 mSDtfsCounter, 0 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 14:39:15,820 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 154 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 14:39:15,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2025-03-17 14:39:15,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2025-03-17 14:39:15,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 27 states have (on average 1.4074074074074074) internal successors, (38), 33 states have internal predecessors, (38), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-17 14:39:15,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 43 transitions. [2025-03-17 14:39:15,825 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 43 transitions. Word has length 11 [2025-03-17 14:39:15,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 14:39:15,825 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 43 transitions. [2025-03-17 14:39:15,826 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.9) internal successors, (19), 9 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:39:15,826 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 43 transitions. [2025-03-17 14:39:15,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2025-03-17 14:39:15,826 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:39:15,826 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 14:39:15,833 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-03-17 14:39:16,026 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 [2025-03-17 14:39:16,027 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting bAndErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [bAndErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bAndErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-17 14:39:16,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:39:16,027 INFO L85 PathProgramCache]: Analyzing trace with hash 1468345692, now seen corresponding path program 2 times [2025-03-17 14:39:16,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:39:16,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287484626] [2025-03-17 14:39:16,027 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 14:39:16,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:39:16,033 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 17 statements into 2 equivalence classes. [2025-03-17 14:39:16,035 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 8 of 17 statements. [2025-03-17 14:39:16,035 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-17 14:39:16,035 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:39:16,053 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-17 14:39:16,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:39:16,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287484626] [2025-03-17 14:39:16,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287484626] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 14:39:16,053 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 14:39:16,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 14:39:16,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432163700] [2025-03-17 14:39:16,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 14:39:16,054 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 14:39:16,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:39:16,054 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 14:39:16,054 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 14:39:16,054 INFO L87 Difference]: Start difference. First operand 37 states and 43 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:39:16,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 14:39:16,073 INFO L93 Difference]: Finished difference Result 69 states and 86 transitions. [2025-03-17 14:39:16,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 14:39:16,077 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2025-03-17 14:39:16,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 14:39:16,077 INFO L225 Difference]: With dead ends: 69 [2025-03-17 14:39:16,077 INFO L226 Difference]: Without dead ends: 44 [2025-03-17 14:39:16,077 INFO L434 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 [2025-03-17 14:39:16,078 INFO L435 NwaCegarLoop]: 30 mSDtfsCounter, 5 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 14:39:16,078 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 87 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 14:39:16,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2025-03-17 14:39:16,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 43. [2025-03-17 14:39:16,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 33 states have (on average 1.393939393939394) internal successors, (46), 39 states have internal predecessors, (46), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-17 14:39:16,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 51 transitions. [2025-03-17 14:39:16,083 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 51 transitions. Word has length 17 [2025-03-17 14:39:16,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 14:39:16,083 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 51 transitions. [2025-03-17 14:39:16,083 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:39:16,084 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 51 transitions. [2025-03-17 14:39:16,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2025-03-17 14:39:16,084 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:39:16,084 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 14:39:16,084 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-17 14:39:16,084 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting bAndErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [bAndErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bAndErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-17 14:39:16,084 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:39:16,084 INFO L85 PathProgramCache]: Analyzing trace with hash -1725923833, now seen corresponding path program 1 times [2025-03-17 14:39:16,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:39:16,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455587464] [2025-03-17 14:39:16,084 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:39:16,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:39:16,090 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-03-17 14:39:16,094 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-03-17 14:39:16,094 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:39:16,094 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:39:16,136 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-17 14:39:16,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:39:16,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455587464] [2025-03-17 14:39:16,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1455587464] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 14:39:16,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 14:39:16,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 14:39:16,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925717036] [2025-03-17 14:39:16,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 14:39:16,136 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 14:39:16,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:39:16,136 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 14:39:16,137 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 14:39:16,137 INFO L87 Difference]: Start difference. First operand 43 states and 51 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:39:16,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 14:39:16,158 INFO L93 Difference]: Finished difference Result 45 states and 53 transitions. [2025-03-17 14:39:16,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 14:39:16,160 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2025-03-17 14:39:16,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 14:39:16,160 INFO L225 Difference]: With dead ends: 45 [2025-03-17 14:39:16,160 INFO L226 Difference]: Without dead ends: 44 [2025-03-17 14:39:16,160 INFO L434 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 [2025-03-17 14:39:16,161 INFO L435 NwaCegarLoop]: 31 mSDtfsCounter, 4 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 14:39:16,161 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 89 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 14:39:16,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2025-03-17 14:39:16,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2025-03-17 14:39:16,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 34 states have (on average 1.3823529411764706) internal successors, (47), 40 states have internal predecessors, (47), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-17 14:39:16,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 52 transitions. [2025-03-17 14:39:16,168 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 52 transitions. Word has length 18 [2025-03-17 14:39:16,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 14:39:16,168 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 52 transitions. [2025-03-17 14:39:16,168 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:39:16,168 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 52 transitions. [2025-03-17 14:39:16,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2025-03-17 14:39:16,169 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:39:16,169 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 14:39:16,169 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-17 14:39:16,169 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting bAndErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [bAndErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bAndErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-17 14:39:16,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:39:16,169 INFO L85 PathProgramCache]: Analyzing trace with hash -116681057, now seen corresponding path program 1 times [2025-03-17 14:39:16,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:39:16,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415877651] [2025-03-17 14:39:16,169 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:39:16,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:39:16,179 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-03-17 14:39:16,189 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-03-17 14:39:16,189 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:39:16,189 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:39:16,290 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 14:39:16,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:39:16,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415877651] [2025-03-17 14:39:16,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415877651] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 14:39:16,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2029245060] [2025-03-17 14:39:16,291 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:39:16,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 14:39:16,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 14:39:16,293 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) [2025-03-17 14:39:16,294 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-17 14:39:16,324 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-03-17 14:39:16,343 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-03-17 14:39:16,343 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:39:16,343 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:39:16,344 INFO L256 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-17 14:39:16,345 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 14:39:16,381 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 14:39:16,381 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 14:39:16,468 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 14:39:16,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2029245060] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 14:39:16,468 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 14:39:16,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 17 [2025-03-17 14:39:16,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896621978] [2025-03-17 14:39:16,468 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 14:39:16,469 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-03-17 14:39:16,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:39:16,469 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-03-17 14:39:16,469 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2025-03-17 14:39:16,469 INFO L87 Difference]: Start difference. First operand 44 states and 52 transitions. Second operand has 18 states, 18 states have (on average 1.8333333333333333) internal successors, (33), 17 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:39:16,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 14:39:16,514 INFO L93 Difference]: Finished difference Result 89 states and 108 transitions. [2025-03-17 14:39:16,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-17 14:39:16,517 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 1.8333333333333333) internal successors, (33), 17 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2025-03-17 14:39:16,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 14:39:16,517 INFO L225 Difference]: With dead ends: 89 [2025-03-17 14:39:16,518 INFO L226 Difference]: Without dead ends: 56 [2025-03-17 14:39:16,518 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2025-03-17 14:39:16,519 INFO L435 NwaCegarLoop]: 32 mSDtfsCounter, 0 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 14:39:16,519 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 215 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 14:39:16,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2025-03-17 14:39:16,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2025-03-17 14:39:16,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 46 states have (on average 1.2826086956521738) internal successors, (59), 52 states have internal predecessors, (59), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-17 14:39:16,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 64 transitions. [2025-03-17 14:39:16,526 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 64 transitions. Word has length 22 [2025-03-17 14:39:16,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 14:39:16,526 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 64 transitions. [2025-03-17 14:39:16,526 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 1.8333333333333333) internal successors, (33), 17 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:39:16,526 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 64 transitions. [2025-03-17 14:39:16,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2025-03-17 14:39:16,527 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:39:16,527 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 14:39:16,535 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-03-17 14:39:16,727 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 14:39:16,728 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting bAndErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [bAndErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bAndErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-17 14:39:16,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:39:16,728 INFO L85 PathProgramCache]: Analyzing trace with hash -1166933537, now seen corresponding path program 2 times [2025-03-17 14:39:16,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:39:16,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856028495] [2025-03-17 14:39:16,728 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 14:39:16,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:39:16,737 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 34 statements into 2 equivalence classes. [2025-03-17 14:39:16,743 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 34 of 34 statements. [2025-03-17 14:39:16,744 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 14:39:16,744 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:39:16,819 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2025-03-17 14:39:16,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:39:16,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856028495] [2025-03-17 14:39:16,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856028495] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 14:39:16,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1051154117] [2025-03-17 14:39:16,819 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 14:39:16,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 14:39:16,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 14:39:16,822 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) [2025-03-17 14:39:16,823 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-17 14:39:16,862 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 34 statements into 2 equivalence classes. [2025-03-17 14:39:16,880 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 34 of 34 statements. [2025-03-17 14:39:16,880 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 14:39:16,880 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:39:16,881 INFO L256 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-03-17 14:39:16,882 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 14:39:17,076 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 14:39:17,076 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 14:39:17,360 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 14:39:17,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1051154117] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 14:39:17,361 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 14:39:17,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 16, 16] total 36 [2025-03-17 14:39:17,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369083768] [2025-03-17 14:39:17,361 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 14:39:17,361 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2025-03-17 14:39:17,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:39:17,362 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2025-03-17 14:39:17,362 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=280, Invalid=980, Unknown=0, NotChecked=0, Total=1260 [2025-03-17 14:39:17,362 INFO L87 Difference]: Start difference. First operand 56 states and 64 transitions. Second operand has 36 states, 36 states have (on average 1.8888888888888888) internal successors, (68), 36 states have internal predecessors, (68), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:39:17,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 14:39:17,480 INFO L93 Difference]: Finished difference Result 112 states and 136 transitions. [2025-03-17 14:39:17,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-03-17 14:39:17,480 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 1.8888888888888888) internal successors, (68), 36 states have internal predecessors, (68), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2025-03-17 14:39:17,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 14:39:17,481 INFO L225 Difference]: With dead ends: 112 [2025-03-17 14:39:17,481 INFO L226 Difference]: Without dead ends: 79 [2025-03-17 14:39:17,482 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 237 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=280, Invalid=980, Unknown=0, NotChecked=0, Total=1260 [2025-03-17 14:39:17,482 INFO L435 NwaCegarLoop]: 29 mSDtfsCounter, 9 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 14:39:17,482 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 300 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 14:39:17,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2025-03-17 14:39:17,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2025-03-17 14:39:17,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 70 states have (on average 1.1714285714285715) internal successors, (82), 75 states have internal predecessors, (82), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-17 14:39:17,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 87 transitions. [2025-03-17 14:39:17,487 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 87 transitions. Word has length 34 [2025-03-17 14:39:17,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 14:39:17,487 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 87 transitions. [2025-03-17 14:39:17,487 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 1.8888888888888888) internal successors, (68), 36 states have internal predecessors, (68), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:39:17,488 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 87 transitions. [2025-03-17 14:39:17,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2025-03-17 14:39:17,488 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:39:17,488 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2025-03-17 14:39:17,497 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-03-17 14:39:17,693 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 14:39:17,693 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting bAndErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [bAndErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bAndErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-17 14:39:17,693 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:39:17,693 INFO L85 PathProgramCache]: Analyzing trace with hash -1135815836, now seen corresponding path program 1 times [2025-03-17 14:39:17,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:39:17,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995062891] [2025-03-17 14:39:17,693 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:39:17,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:39:17,704 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes. [2025-03-17 14:39:17,711 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements. [2025-03-17 14:39:17,711 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:39:17,711 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:39:17,751 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2025-03-17 14:39:17,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:39:17,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995062891] [2025-03-17 14:39:17,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995062891] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 14:39:17,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 14:39:17,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 14:39:17,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794268580] [2025-03-17 14:39:17,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 14:39:17,752 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 14:39:17,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:39:17,753 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 14:39:17,753 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 14:39:17,753 INFO L87 Difference]: Start difference. First operand 79 states and 87 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:39:17,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 14:39:17,764 INFO L93 Difference]: Finished difference Result 79 states and 87 transitions. [2025-03-17 14:39:17,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 14:39:17,765 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 59 [2025-03-17 14:39:17,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 14:39:17,765 INFO L225 Difference]: With dead ends: 79 [2025-03-17 14:39:17,765 INFO L226 Difference]: Without dead ends: 77 [2025-03-17 14:39:17,766 INFO L434 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 [2025-03-17 14:39:17,766 INFO L435 NwaCegarLoop]: 29 mSDtfsCounter, 4 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 81 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 [2025-03-17 14:39:17,766 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 81 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 14:39:17,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2025-03-17 14:39:17,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 71. [2025-03-17 14:39:17,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 64 states have (on average 1.125) internal successors, (72), 67 states have internal predecessors, (72), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-17 14:39:17,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 76 transitions. [2025-03-17 14:39:17,771 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 76 transitions. Word has length 59 [2025-03-17 14:39:17,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 14:39:17,772 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 76 transitions. [2025-03-17 14:39:17,772 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:39:17,772 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 76 transitions. [2025-03-17 14:39:17,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2025-03-17 14:39:17,776 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:39:17,776 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 14:39:17,777 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-17 14:39:17,777 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [bAndErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bAndErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-17 14:39:17,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:39:17,777 INFO L85 PathProgramCache]: Analyzing trace with hash -156600473, now seen corresponding path program 1 times [2025-03-17 14:39:17,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:39:17,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373538093] [2025-03-17 14:39:17,777 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:39:17,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:39:17,791 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-03-17 14:39:17,805 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-03-17 14:39:17,809 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:39:17,809 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:39:17,904 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 332 trivial. 0 not checked. [2025-03-17 14:39:17,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:39:17,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373538093] [2025-03-17 14:39:17,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373538093] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 14:39:17,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [753494489] [2025-03-17 14:39:17,905 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:39:17,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 14:39:17,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 14:39:17,907 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) [2025-03-17 14:39:17,908 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-17 14:39:17,958 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-03-17 14:39:17,986 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-03-17 14:39:17,986 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:39:17,986 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:39:17,988 INFO L256 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-17 14:39:17,989 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 14:39:17,998 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2025-03-17 14:39:17,998 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 14:39:17,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [753494489] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 14:39:17,998 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 14:39:17,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2025-03-17 14:39:17,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687854715] [2025-03-17 14:39:17,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 14:39:17,999 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 14:39:17,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:39:18,000 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 14:39:18,000 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-03-17 14:39:18,000 INFO L87 Difference]: Start difference. First operand 71 states and 76 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 14:39:18,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 14:39:18,011 INFO L93 Difference]: Finished difference Result 75 states and 81 transitions. [2025-03-17 14:39:18,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 14:39:18,011 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 71 [2025-03-17 14:39:18,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 14:39:18,012 INFO L225 Difference]: With dead ends: 75 [2025-03-17 14:39:18,012 INFO L226 Difference]: Without dead ends: 74 [2025-03-17 14:39:18,012 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-03-17 14:39:18,012 INFO L435 NwaCegarLoop]: 27 mSDtfsCounter, 1 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 14:39:18,013 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 50 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 14:39:18,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2025-03-17 14:39:18,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 73. [2025-03-17 14:39:18,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 66 states have (on average 1.121212121212121) internal successors, (74), 69 states have internal predecessors, (74), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-17 14:39:18,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 78 transitions. [2025-03-17 14:39:18,016 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 78 transitions. Word has length 71 [2025-03-17 14:39:18,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 14:39:18,018 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 78 transitions. [2025-03-17 14:39:18,018 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 14:39:18,018 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 78 transitions. [2025-03-17 14:39:18,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2025-03-17 14:39:18,019 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:39:18,019 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 14:39:18,027 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-03-17 14:39:18,219 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2025-03-17 14:39:18,219 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [bAndErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bAndErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-17 14:39:18,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:39:18,220 INFO L85 PathProgramCache]: Analyzing trace with hash -559647366, now seen corresponding path program 1 times [2025-03-17 14:39:18,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:39:18,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723795867] [2025-03-17 14:39:18,220 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:39:18,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:39:18,233 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-03-17 14:39:18,245 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-03-17 14:39:18,245 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:39:18,245 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:39:18,335 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 332 trivial. 0 not checked. [2025-03-17 14:39:18,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:39:18,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723795867] [2025-03-17 14:39:18,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1723795867] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 14:39:18,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [34036636] [2025-03-17 14:39:18,336 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:39:18,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 14:39:18,336 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 14:39:18,338 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) [2025-03-17 14:39:18,339 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-03-17 14:39:18,387 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-03-17 14:39:18,417 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-03-17 14:39:18,417 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:39:18,417 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:39:18,419 INFO L256 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-17 14:39:18,420 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 14:39:18,431 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2025-03-17 14:39:18,431 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 14:39:18,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [34036636] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 14:39:18,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 14:39:18,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2025-03-17 14:39:18,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780734381] [2025-03-17 14:39:18,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 14:39:18,433 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 14:39:18,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:39:18,433 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 14:39:18,433 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-03-17 14:39:18,433 INFO L87 Difference]: Start difference. First operand 73 states and 78 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 14:39:18,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 14:39:18,451 INFO L93 Difference]: Finished difference Result 75 states and 80 transitions. [2025-03-17 14:39:18,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 14:39:18,452 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 72 [2025-03-17 14:39:18,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 14:39:18,452 INFO L225 Difference]: With dead ends: 75 [2025-03-17 14:39:18,452 INFO L226 Difference]: Without dead ends: 74 [2025-03-17 14:39:18,453 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-03-17 14:39:18,453 INFO L435 NwaCegarLoop]: 28 mSDtfsCounter, 0 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 14:39:18,453 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 51 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 14:39:18,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2025-03-17 14:39:18,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2025-03-17 14:39:18,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 67 states have (on average 1.1194029850746268) internal successors, (75), 70 states have internal predecessors, (75), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-17 14:39:18,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 79 transitions. [2025-03-17 14:39:18,462 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 79 transitions. Word has length 72 [2025-03-17 14:39:18,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 14:39:18,462 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 79 transitions. [2025-03-17 14:39:18,462 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 14:39:18,462 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 79 transitions. [2025-03-17 14:39:18,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2025-03-17 14:39:18,463 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:39:18,463 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 14:39:18,469 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-03-17 14:39:18,663 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 14:39:18,664 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [bAndErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bAndErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-17 14:39:18,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:39:18,664 INFO L85 PathProgramCache]: Analyzing trace with hash -169199163, now seen corresponding path program 1 times [2025-03-17 14:39:18,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:39:18,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982839573] [2025-03-17 14:39:18,666 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:39:18,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:39:18,676 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 73 statements into 1 equivalence classes. [2025-03-17 14:39:18,684 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 73 of 73 statements. [2025-03-17 14:39:18,684 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:39:18,684 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:39:18,772 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 332 trivial. 0 not checked. [2025-03-17 14:39:18,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:39:18,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982839573] [2025-03-17 14:39:18,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982839573] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 14:39:18,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1701608785] [2025-03-17 14:39:18,772 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:39:18,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 14:39:18,772 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 14:39:18,774 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) [2025-03-17 14:39:18,775 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-03-17 14:39:18,825 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 73 statements into 1 equivalence classes. [2025-03-17 14:39:18,858 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 73 of 73 statements. [2025-03-17 14:39:18,859 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:39:18,859 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:39:18,860 INFO L256 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 32 conjuncts are in the unsatisfiable core [2025-03-17 14:39:18,862 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 14:39:19,272 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 0 proven. 330 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2025-03-17 14:39:19,274 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 14:39:20,062 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 0 proven. 330 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2025-03-17 14:39:20,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1701608785] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 14:39:20,062 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 14:39:20,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 32, 33] total 67 [2025-03-17 14:39:20,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035675145] [2025-03-17 14:39:20,062 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 14:39:20,063 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 67 states [2025-03-17 14:39:20,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:39:20,064 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2025-03-17 14:39:20,065 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1063, Invalid=3359, Unknown=0, NotChecked=0, Total=4422 [2025-03-17 14:39:20,065 INFO L87 Difference]: Start difference. First operand 74 states and 79 transitions. Second operand has 67 states, 67 states have (on average 1.9104477611940298) internal successors, (128), 67 states have internal predecessors, (128), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2025-03-17 14:39:20,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 14:39:20,211 INFO L93 Difference]: Finished difference Result 160 states and 192 transitions. [2025-03-17 14:39:20,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2025-03-17 14:39:20,212 INFO L78 Accepts]: Start accepts. Automaton has has 67 states, 67 states have (on average 1.9104477611940298) internal successors, (128), 67 states have internal predecessors, (128), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) Word has length 73 [2025-03-17 14:39:20,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 14:39:20,213 INFO L225 Difference]: With dead ends: 160 [2025-03-17 14:39:20,213 INFO L226 Difference]: Without dead ends: 133 [2025-03-17 14:39:20,214 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1171 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=1063, Invalid=3359, Unknown=0, NotChecked=0, Total=4422 [2025-03-17 14:39:20,214 INFO L435 NwaCegarLoop]: 24 mSDtfsCounter, 10 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 14:39:20,214 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 248 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 14:39:20,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2025-03-17 14:39:20,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 129. [2025-03-17 14:39:20,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 122 states have (on average 1.0819672131147542) internal successors, (132), 125 states have internal predecessors, (132), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-17 14:39:20,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 136 transitions. [2025-03-17 14:39:20,223 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 136 transitions. Word has length 73 [2025-03-17 14:39:20,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 14:39:20,223 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 136 transitions. [2025-03-17 14:39:20,224 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 67 states, 67 states have (on average 1.9104477611940298) internal successors, (128), 67 states have internal predecessors, (128), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2025-03-17 14:39:20,224 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 136 transitions. [2025-03-17 14:39:20,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2025-03-17 14:39:20,226 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:39:20,226 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 14:39:20,243 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-03-17 14:39:20,426 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 14:39:20,426 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [bAndErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bAndErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-17 14:39:20,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:39:20,427 INFO L85 PathProgramCache]: Analyzing trace with hash -699314663, now seen corresponding path program 2 times [2025-03-17 14:39:20,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:39:20,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109173052] [2025-03-17 14:39:20,427 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 14:39:20,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:39:20,445 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 131 statements into 2 equivalence classes. [2025-03-17 14:39:20,447 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 12 of 131 statements. [2025-03-17 14:39:20,447 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-17 14:39:20,447 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:39:20,465 INFO L134 CoverageAnalysis]: Checked inductivity of 1468 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1468 trivial. 0 not checked. [2025-03-17 14:39:20,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:39:20,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109173052] [2025-03-17 14:39:20,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109173052] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 14:39:20,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 14:39:20,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 14:39:20,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713777181] [2025-03-17 14:39:20,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 14:39:20,466 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 14:39:20,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:39:20,466 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 14:39:20,466 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 14:39:20,466 INFO L87 Difference]: Start difference. First operand 129 states and 136 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 14:39:20,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 14:39:20,486 INFO L93 Difference]: Finished difference Result 129 states and 136 transitions. [2025-03-17 14:39:20,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 14:39:20,486 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 131 [2025-03-17 14:39:20,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 14:39:20,487 INFO L225 Difference]: With dead ends: 129 [2025-03-17 14:39:20,487 INFO L226 Difference]: Without dead ends: 127 [2025-03-17 14:39:20,487 INFO L434 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 [2025-03-17 14:39:20,488 INFO L435 NwaCegarLoop]: 22 mSDtfsCounter, 2 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 14:39:20,488 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 63 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 14:39:20,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2025-03-17 14:39:20,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2025-03-17 14:39:20,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 122 states have (on average 1.0655737704918034) internal successors, (130), 123 states have internal predecessors, (130), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-17 14:39:20,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 134 transitions. [2025-03-17 14:39:20,495 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 134 transitions. Word has length 131 [2025-03-17 14:39:20,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 14:39:20,495 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 134 transitions. [2025-03-17 14:39:20,495 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 14:39:20,495 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 134 transitions. [2025-03-17 14:39:20,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2025-03-17 14:39:20,499 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:39:20,499 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 14:39:20,499 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-03-17 14:39:20,499 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [bAndErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bAndErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-17 14:39:20,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:39:20,499 INFO L85 PathProgramCache]: Analyzing trace with hash -203918076, now seen corresponding path program 1 times [2025-03-17 14:39:20,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:39:20,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078355133] [2025-03-17 14:39:20,499 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:39:20,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:39:20,515 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 132 statements into 1 equivalence classes. [2025-03-17 14:39:20,533 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 132 of 132 statements. [2025-03-17 14:39:20,533 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:39:20,533 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:39:20,631 INFO L134 CoverageAnalysis]: Checked inductivity of 1468 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1468 trivial. 0 not checked. [2025-03-17 14:39:20,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:39:20,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078355133] [2025-03-17 14:39:20,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1078355133] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 14:39:20,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 14:39:20,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 14:39:20,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789218483] [2025-03-17 14:39:20,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 14:39:20,631 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 14:39:20,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:39:20,632 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 14:39:20,632 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 14:39:20,632 INFO L87 Difference]: Start difference. First operand 127 states and 134 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 14:39:20,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 14:39:20,650 INFO L93 Difference]: Finished difference Result 130 states and 137 transitions. [2025-03-17 14:39:20,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 14:39:20,650 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 132 [2025-03-17 14:39:20,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 14:39:20,651 INFO L225 Difference]: With dead ends: 130 [2025-03-17 14:39:20,651 INFO L226 Difference]: Without dead ends: 129 [2025-03-17 14:39:20,651 INFO L434 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 [2025-03-17 14:39:20,651 INFO L435 NwaCegarLoop]: 24 mSDtfsCounter, 0 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 14:39:20,652 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 67 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 14:39:20,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2025-03-17 14:39:20,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2025-03-17 14:39:20,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 124 states have (on average 1.064516129032258) internal successors, (132), 125 states have internal predecessors, (132), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-17 14:39:20,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 136 transitions. [2025-03-17 14:39:20,656 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 136 transitions. Word has length 132 [2025-03-17 14:39:20,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 14:39:20,656 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 136 transitions. [2025-03-17 14:39:20,656 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 14:39:20,656 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 136 transitions. [2025-03-17 14:39:20,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2025-03-17 14:39:20,657 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:39:20,657 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 14:39:20,657 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-03-17 14:39:20,657 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [bAndErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bAndErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-17 14:39:20,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:39:20,657 INFO L85 PathProgramCache]: Analyzing trace with hash -1839640673, now seen corresponding path program 1 times [2025-03-17 14:39:20,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:39:20,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988937009] [2025-03-17 14:39:20,658 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:39:20,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:39:20,683 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 135 statements into 1 equivalence classes. [2025-03-17 14:39:20,698 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 135 of 135 statements. [2025-03-17 14:39:20,698 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:39:20,698 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:39:20,748 INFO L134 CoverageAnalysis]: Checked inductivity of 1471 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1469 trivial. 0 not checked. [2025-03-17 14:39:20,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:39:20,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988937009] [2025-03-17 14:39:20,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988937009] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 14:39:20,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 14:39:20,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 14:39:20,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766651741] [2025-03-17 14:39:20,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 14:39:20,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 14:39:20,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:39:20,750 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 14:39:20,750 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 14:39:20,750 INFO L87 Difference]: Start difference. First operand 129 states and 136 transitions. Second operand has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 14:39:20,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 14:39:20,760 INFO L93 Difference]: Finished difference Result 129 states and 136 transitions. [2025-03-17 14:39:20,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 14:39:20,761 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 135 [2025-03-17 14:39:20,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 14:39:20,761 INFO L225 Difference]: With dead ends: 129 [2025-03-17 14:39:20,761 INFO L226 Difference]: Without dead ends: 128 [2025-03-17 14:39:20,762 INFO L434 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 [2025-03-17 14:39:20,762 INFO L435 NwaCegarLoop]: 25 mSDtfsCounter, 0 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 14:39:20,762 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 47 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 14:39:20,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2025-03-17 14:39:20,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2025-03-17 14:39:20,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 124 states have (on average 1.0564516129032258) internal successors, (131), 124 states have internal predecessors, (131), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-17 14:39:20,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 135 transitions. [2025-03-17 14:39:20,768 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 135 transitions. Word has length 135 [2025-03-17 14:39:20,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 14:39:20,769 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 135 transitions. [2025-03-17 14:39:20,769 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 14:39:20,769 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 135 transitions. [2025-03-17 14:39:20,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2025-03-17 14:39:20,770 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:39:20,770 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 14:39:20,770 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-03-17 14:39:20,770 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [bAndErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bAndErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-17 14:39:20,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:39:20,770 INFO L85 PathProgramCache]: Analyzing trace with hash 1631839165, now seen corresponding path program 1 times [2025-03-17 14:39:20,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:39:20,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238771512] [2025-03-17 14:39:20,771 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:39:20,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:39:20,785 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 137 statements into 1 equivalence classes. [2025-03-17 14:39:20,802 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 137 of 137 statements. [2025-03-17 14:39:20,802 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:39:20,803 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:39:20,877 INFO L134 CoverageAnalysis]: Checked inductivity of 1473 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1469 trivial. 0 not checked. [2025-03-17 14:39:20,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:39:20,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238771512] [2025-03-17 14:39:20,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [238771512] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 14:39:20,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 14:39:20,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 14:39:20,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826085039] [2025-03-17 14:39:20,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 14:39:20,878 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 14:39:20,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:39:20,879 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 14:39:20,879 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 14:39:20,879 INFO L87 Difference]: Start difference. First operand 128 states and 135 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 14:39:20,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 14:39:20,893 INFO L93 Difference]: Finished difference Result 128 states and 135 transitions. [2025-03-17 14:39:20,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 14:39:20,893 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 137 [2025-03-17 14:39:20,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 14:39:20,894 INFO L225 Difference]: With dead ends: 128 [2025-03-17 14:39:20,894 INFO L226 Difference]: Without dead ends: 0 [2025-03-17 14:39:20,894 INFO L434 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 [2025-03-17 14:39:20,894 INFO L435 NwaCegarLoop]: 22 mSDtfsCounter, 0 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 14:39:20,894 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 63 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 14:39:20,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-03-17 14:39:20,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-03-17 14:39:20,895 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) [2025-03-17 14:39:20,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-03-17 14:39:20,895 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 137 [2025-03-17 14:39:20,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 14:39:20,895 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-17 14:39:20,895 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 14:39:20,895 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-03-17 14:39:20,895 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-03-17 14:39:20,900 INFO L782 garLoopResultBuilder]: Registering result SAFE for location bAndErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2025-03-17 14:39:20,900 INFO L782 garLoopResultBuilder]: Registering result SAFE for location bAndErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2025-03-17 14:39:20,900 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2025-03-17 14:39:20,900 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2025-03-17 14:39:20,900 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2025-03-17 14:39:20,900 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2025-03-17 14:39:20,900 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2025-03-17 14:39:20,901 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2025-03-17 14:39:20,901 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-03-17 14:39:20,903 INFO L422 BasicCegarLoop]: Path program histogram: [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 14:39:20,905 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-03-17 14:39:20,942 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-17 14:39:20,952 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.03 02:39:20 BoogieIcfgContainer [2025-03-17 14:39:20,953 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-17 14:39:20,953 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-17 14:39:20,953 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-17 14:39:20,953 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-17 14:39:20,954 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 02:39:14" (3/4) ... [2025-03-17 14:39:20,955 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-17 14:39:20,959 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure bAnd [2025-03-17 14:39:20,963 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2025-03-17 14:39:20,963 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2025-03-17 14:39:20,964 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-03-17 14:39:20,964 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-17 14:39:20,964 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-17 14:39:21,029 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-17 14:39:21,031 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-17 14:39:21,031 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-17 14:39:21,031 INFO L158 Benchmark]: Toolchain (without parser) took 6784.14ms. Allocated memory is still 142.6MB. Free memory was 113.7MB in the beginning and 84.2MB in the end (delta: 29.5MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. [2025-03-17 14:39:21,032 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 201.3MB. Free memory is still 123.8MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 14:39:21,032 INFO L158 Benchmark]: CACSL2BoogieTranslator took 147.74ms. Allocated memory is still 142.6MB. Free memory was 113.2MB in the beginning and 102.1MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-17 14:39:21,032 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.94ms. Allocated memory is still 142.6MB. Free memory was 102.1MB in the beginning and 101.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 14:39:21,032 INFO L158 Benchmark]: Boogie Preprocessor took 21.86ms. Allocated memory is still 142.6MB. Free memory was 101.1MB in the beginning and 99.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 14:39:21,033 INFO L158 Benchmark]: IcfgBuilder took 319.52ms. Allocated memory is still 142.6MB. Free memory was 99.4MB in the beginning and 84.5MB in the end (delta: 15.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-17 14:39:21,033 INFO L158 Benchmark]: TraceAbstraction took 6192.53ms. Allocated memory is still 142.6MB. Free memory was 83.5MB in the beginning and 89.6MB in the end (delta: -6.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 14:39:21,033 INFO L158 Benchmark]: Witness Printer took 77.63ms. Allocated memory is still 142.6MB. Free memory was 89.6MB in the beginning and 84.2MB in the end (delta: 5.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-17 14:39:21,036 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 201.3MB. Free memory is still 123.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 147.74ms. Allocated memory is still 142.6MB. Free memory was 113.2MB in the beginning and 102.1MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 18.94ms. Allocated memory is still 142.6MB. Free memory was 102.1MB in the beginning and 101.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.86ms. Allocated memory is still 142.6MB. Free memory was 101.1MB in the beginning and 99.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 319.52ms. Allocated memory is still 142.6MB. Free memory was 99.4MB in the beginning and 84.5MB in the end (delta: 15.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 6192.53ms. Allocated memory is still 142.6MB. Free memory was 83.5MB in the beginning and 89.6MB in the end (delta: -6.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 77.63ms. Allocated memory is still 142.6MB. Free memory was 89.6MB in the beginning and 84.2MB in the end (delta: 5.4MB). Peak memory consumption was 8.4MB. 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: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 47]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 47]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 40 locations, 51 edges, 8 error locations. Started 1 CEGAR loops. OverallTime: 6.1s, OverallIterations: 16, TraceHistogramMax: 31, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 37 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 37 mSDsluCounter, 1816 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1356 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 644 IncrementalHoareTripleChecker+Invalid, 654 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 460 mSDtfsCounter, 644 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 478 GetRequests, 325 SyntacticMatches, 0 SemanticMatches, 153 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1507 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=129occurred in iteration=12, InterpolantAutomatonStates: 169, 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, 16 MinimizatonAttempts, 14 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 1217 NumberOfCodeBlocks, 1089 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 1330 ConstructedInterpolants, 0 QuantifiedInterpolants, 1834 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1468 ConjunctsInSsa, 69 ConjunctsInUnsatCore, 27 InterpolantComputations, 12 PerfectInterpolantSequences, 8042/8920 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, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 23]: Location Invariant Derived location invariant: ((1 < i) || (i == 1)) - InvariantResult [Line: 46]: Location Invariant Derived location invariant: (0 < (2147483650 + i)) - InvariantResult [Line: 37]: Location Invariant Derived location invariant: ((i == 0) || (0 < i)) RESULT: Ultimate proved your program to be correct! [2025-03-17 14:39:21,050 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE