./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound2.c --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/nla-digbench-scaling/prod4br-ll_valuebound2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash deafb53b6c5560bead535ea0c1ac7bb85be5c959b9a13b21177e05987440264a --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 15:32:20,087 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 15:32:20,137 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-03-17 15:32:20,140 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 15:32:20,140 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 15:32:20,159 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 15:32:20,160 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 15:32:20,160 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 15:32:20,160 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 15:32:20,160 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 15:32:20,160 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 15:32:20,160 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 15:32:20,161 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 15:32:20,161 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 15:32:20,161 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 15:32:20,161 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 15:32:20,161 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 15:32:20,161 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-17 15:32:20,161 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 15:32:20,161 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-17 15:32:20,161 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 15:32:20,161 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 15:32:20,162 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 15:32:20,162 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 15:32:20,162 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-17 15:32:20,162 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-17 15:32:20,162 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-17 15:32:20,162 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 15:32:20,162 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 15:32:20,162 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 15:32:20,162 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 15:32:20,162 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 15:32:20,162 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 15:32:20,163 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 15:32:20,163 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 15:32:20,163 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 15:32:20,163 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 15:32:20,163 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 15:32:20,163 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 15:32:20,163 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 15:32:20,163 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 15:32:20,163 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 15:32:20,163 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 15:32:20,163 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 15:32:20,163 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 15:32:20,163 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 -> deafb53b6c5560bead535ea0c1ac7bb85be5c959b9a13b21177e05987440264a [2025-03-17 15:32:20,371 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 15:32:20,376 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 15:32:20,378 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 15:32:20,379 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 15:32:20,379 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 15:32:20,380 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound2.c [2025-03-17 15:32:21,446 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/197332614/04b03a526b6c434aaa86afc34336fa53/FLAG1f6002691 [2025-03-17 15:32:21,661 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 15:32:21,662 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound2.c [2025-03-17 15:32:21,668 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/197332614/04b03a526b6c434aaa86afc34336fa53/FLAG1f6002691 [2025-03-17 15:32:22,017 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/197332614/04b03a526b6c434aaa86afc34336fa53 [2025-03-17 15:32:22,019 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 15:32:22,019 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 15:32:22,020 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 15:32:22,020 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 15:32:22,023 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 15:32:22,023 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 03:32:22" (1/1) ... [2025-03-17 15:32:22,024 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@adbaab8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:32:22, skipping insertion in model container [2025-03-17 15:32:22,024 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 03:32:22" (1/1) ... [2025-03-17 15:32:22,033 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 15:32:22,139 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 15:32:22,150 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 15:32:22,167 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 15:32:22,179 INFO L204 MainTranslator]: Completed translation [2025-03-17 15:32:22,180 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:32:22 WrapperNode [2025-03-17 15:32:22,180 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 15:32:22,180 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 15:32:22,181 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 15:32:22,181 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 15:32:22,185 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:32:22" (1/1) ... [2025-03-17 15:32:22,191 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:32:22" (1/1) ... [2025-03-17 15:32:22,210 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 99 [2025-03-17 15:32:22,213 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 15:32:22,213 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 15:32:22,213 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 15:32:22,214 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 15:32:22,220 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:32:22" (1/1) ... [2025-03-17 15:32:22,220 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:32:22" (1/1) ... [2025-03-17 15:32:22,222 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:32:22" (1/1) ... [2025-03-17 15:32:22,233 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-03-17 15:32:22,233 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:32:22" (1/1) ... [2025-03-17 15:32:22,233 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:32:22" (1/1) ... [2025-03-17 15:32:22,235 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:32:22" (1/1) ... [2025-03-17 15:32:22,235 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:32:22" (1/1) ... [2025-03-17 15:32:22,236 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:32:22" (1/1) ... [2025-03-17 15:32:22,236 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:32:22" (1/1) ... [2025-03-17 15:32:22,238 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 15:32:22,238 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 15:32:22,238 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 15:32:22,238 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 15:32:22,239 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:32:22" (1/1) ... [2025-03-17 15:32:22,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 15:32:22,250 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:32:22,260 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 15:32:22,264 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 15:32:22,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 15:32:22,276 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-17 15:32:22,276 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-17 15:32:22,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 15:32:22,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 15:32:22,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 15:32:22,277 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-17 15:32:22,277 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-17 15:32:22,310 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 15:32:22,311 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 15:32:22,588 INFO L? ?]: Removed 90 outVars from TransFormulas that were not future-live. [2025-03-17 15:32:22,588 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 15:32:22,598 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 15:32:22,599 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 15:32:22,599 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 03:32:22 BoogieIcfgContainer [2025-03-17 15:32:22,599 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 15:32:22,601 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 15:32:22,601 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 15:32:22,604 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 15:32:22,604 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 03:32:22" (1/3) ... [2025-03-17 15:32:22,604 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59ea1851 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 03:32:22, skipping insertion in model container [2025-03-17 15:32:22,604 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:32:22" (2/3) ... [2025-03-17 15:32:22,604 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59ea1851 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 03:32:22, skipping insertion in model container [2025-03-17 15:32:22,605 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 03:32:22" (3/3) ... [2025-03-17 15:32:22,605 INFO L128 eAbstractionObserver]: Analyzing ICFG prod4br-ll_valuebound2.c [2025-03-17 15:32:22,614 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 15:32:22,615 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG prod4br-ll_valuebound2.c that has 3 procedures, 108 locations, 1 initial locations, 1 loop locations, and 42 error locations. [2025-03-17 15:32:22,656 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 15:32:22,665 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;@216dc261, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 15:32:22,666 INFO L334 AbstractCegarLoop]: Starting to check reachability of 42 error locations. [2025-03-17 15:32:22,669 INFO L276 IsEmpty]: Start isEmpty. Operand has 108 states, 57 states have (on average 1.8596491228070176) internal successors, (106), 99 states have internal predecessors, (106), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-03-17 15:32:22,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2025-03-17 15:32:22,673 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:32:22,673 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:32:22,674 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-03-17 15:32:22,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:32:22,677 INFO L85 PathProgramCache]: Analyzing trace with hash 2128183963, now seen corresponding path program 1 times [2025-03-17 15:32:22,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:32:22,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121314875] [2025-03-17 15:32:22,683 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:32:22,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:32:22,729 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-03-17 15:32:22,738 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-03-17 15:32:22,738 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:32:22,738 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:32:22,771 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-17 15:32:22,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:32:22,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121314875] [2025-03-17 15:32:22,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121314875] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:32:22,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1521341592] [2025-03-17 15:32:22,772 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:32:22,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:32:22,772 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:32:22,775 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 15:32:22,776 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 15:32:22,797 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-03-17 15:32:22,807 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-03-17 15:32:22,808 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:32:22,808 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:32:22,809 INFO L256 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-17 15:32:22,811 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:32:22,818 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-17 15:32:22,821 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:32:22,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1521341592] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:32:22,821 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:32:22,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-17 15:32:22,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906159725] [2025-03-17 15:32:22,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:32:22,827 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-17 15:32:22,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:32:22,838 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-17 15:32:22,838 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 15:32:22,839 INFO L87 Difference]: Start difference. First operand has 108 states, 57 states have (on average 1.8596491228070176) internal successors, (106), 99 states have internal predecessors, (106), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-17 15:32:22,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:32:22,853 INFO L93 Difference]: Finished difference Result 214 states and 239 transitions. [2025-03-17 15:32:22,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-17 15:32:22,854 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 19 [2025-03-17 15:32:22,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:32:22,858 INFO L225 Difference]: With dead ends: 214 [2025-03-17 15:32:22,858 INFO L226 Difference]: Without dead ends: 104 [2025-03-17 15:32:22,859 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 15:32:22,861 INFO L435 NwaCegarLoop]: 115 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 15:32:22,861 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 15:32:22,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2025-03-17 15:32:22,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2025-03-17 15:32:22,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 55 states have (on average 1.8181818181818181) internal successors, (100), 96 states have internal predecessors, (100), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-03-17 15:32:22,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 110 transitions. [2025-03-17 15:32:22,891 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 110 transitions. Word has length 19 [2025-03-17 15:32:22,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:32:22,892 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 110 transitions. [2025-03-17 15:32:22,892 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-17 15:32:22,892 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 110 transitions. [2025-03-17 15:32:22,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2025-03-17 15:32:22,894 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:32:22,894 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:32:22,900 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 15:32:23,095 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-03-17 15:32:23,095 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-03-17 15:32:23,095 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:32:23,095 INFO L85 PathProgramCache]: Analyzing trace with hash 1422059802, now seen corresponding path program 1 times [2025-03-17 15:32:23,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:32:23,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378585192] [2025-03-17 15:32:23,096 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:32:23,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:32:23,101 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-03-17 15:32:23,122 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-03-17 15:32:23,123 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:32:23,123 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:32:23,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [501459893] [2025-03-17 15:32:23,125 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:32:23,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:32:23,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:32:23,127 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 15:32:23,128 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 15:32:23,151 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-03-17 15:32:23,161 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-03-17 15:32:23,161 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:32:23,161 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:32:23,162 INFO L256 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-03-17 15:32:23,164 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:32:23,255 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-03-17 15:32:23,255 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:32:23,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:32:23,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378585192] [2025-03-17 15:32:23,367 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:32:23,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [501459893] [2025-03-17 15:32:23,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [501459893] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:32:23,368 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:32:23,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2025-03-17 15:32:23,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178938050] [2025-03-17 15:32:23,368 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:32:23,368 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-17 15:32:23,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:32:23,369 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-17 15:32:23,369 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2025-03-17 15:32:23,369 INFO L87 Difference]: Start difference. First operand 104 states and 110 transitions. Second operand has 7 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-17 15:32:23,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:32:23,667 INFO L93 Difference]: Finished difference Result 141 states and 165 transitions. [2025-03-17 15:32:23,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-17 15:32:23,667 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 19 [2025-03-17 15:32:23,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:32:23,668 INFO L225 Difference]: With dead ends: 141 [2025-03-17 15:32:23,668 INFO L226 Difference]: Without dead ends: 132 [2025-03-17 15:32:23,669 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2025-03-17 15:32:23,669 INFO L435 NwaCegarLoop]: 61 mSDtfsCounter, 282 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 244 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 284 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:32:23,669 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [284 Valid, 201 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 244 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:32:23,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2025-03-17 15:32:23,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 125. [2025-03-17 15:32:23,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 76 states have (on average 1.7236842105263157) internal successors, (131), 115 states have internal predecessors, (131), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-03-17 15:32:23,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 145 transitions. [2025-03-17 15:32:23,678 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 145 transitions. Word has length 19 [2025-03-17 15:32:23,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:32:23,679 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 145 transitions. [2025-03-17 15:32:23,679 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-17 15:32:23,679 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 145 transitions. [2025-03-17 15:32:23,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2025-03-17 15:32:23,680 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:32:23,680 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:32:23,685 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-17 15:32:23,880 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,SelfDestructingSolverStorable1 [2025-03-17 15:32:23,880 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-03-17 15:32:23,881 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:32:23,881 INFO L85 PathProgramCache]: Analyzing trace with hash 1134180964, now seen corresponding path program 1 times [2025-03-17 15:32:23,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:32:23,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502939013] [2025-03-17 15:32:23,881 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:32:23,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:32:23,885 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-03-17 15:32:23,894 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-03-17 15:32:23,894 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:32:23,894 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:32:23,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [104261253] [2025-03-17 15:32:23,895 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:32:23,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:32:23,895 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:32:23,898 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 15:32:23,900 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 15:32:23,919 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-03-17 15:32:23,927 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-03-17 15:32:23,927 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:32:23,927 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:32:23,927 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-03-17 15:32:23,929 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:32:24,022 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 15:32:24,022 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:32:24,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:32:24,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502939013] [2025-03-17 15:32:24,022 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:32:24,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [104261253] [2025-03-17 15:32:24,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [104261253] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:32:24,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:32:24,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-17 15:32:24,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585823496] [2025-03-17 15:32:24,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:32:24,023 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-17 15:32:24,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:32:24,023 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-17 15:32:24,023 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:32:24,024 INFO L87 Difference]: Start difference. First operand 125 states and 145 transitions. Second operand has 8 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 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 15:32:24,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:32:24,271 INFO L93 Difference]: Finished difference Result 170 states and 210 transitions. [2025-03-17 15:32:24,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-17 15:32:24,271 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 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) Word has length 20 [2025-03-17 15:32:24,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:32:24,272 INFO L225 Difference]: With dead ends: 170 [2025-03-17 15:32:24,272 INFO L226 Difference]: Without dead ends: 152 [2025-03-17 15:32:24,273 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2025-03-17 15:32:24,273 INFO L435 NwaCegarLoop]: 57 mSDtfsCounter, 292 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 264 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 294 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:32:24,273 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [294 Valid, 199 Invalid, 289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 264 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:32:24,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2025-03-17 15:32:24,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 149. [2025-03-17 15:32:24,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 101 states have (on average 1.6336633663366336) internal successors, (165), 138 states have internal predecessors, (165), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-03-17 15:32:24,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 181 transitions. [2025-03-17 15:32:24,280 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 181 transitions. Word has length 20 [2025-03-17 15:32:24,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:32:24,281 INFO L471 AbstractCegarLoop]: Abstraction has 149 states and 181 transitions. [2025-03-17 15:32:24,281 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 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 15:32:24,281 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 181 transitions. [2025-03-17 15:32:24,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2025-03-17 15:32:24,281 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:32:24,281 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:32:24,287 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 15:32:24,482 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:32:24,482 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-03-17 15:32:24,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:32:24,482 INFO L85 PathProgramCache]: Analyzing trace with hash 799871576, now seen corresponding path program 1 times [2025-03-17 15:32:24,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:32:24,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191188926] [2025-03-17 15:32:24,482 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:32:24,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:32:24,486 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-03-17 15:32:24,496 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-03-17 15:32:24,497 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:32:24,497 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:32:24,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [384306297] [2025-03-17 15:32:24,499 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:32:24,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:32:24,499 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:32:24,501 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 15:32:24,502 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 15:32:24,519 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-03-17 15:32:24,526 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-03-17 15:32:24,526 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:32:24,526 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:32:24,527 INFO L256 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-03-17 15:32:24,528 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:32:24,603 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-03-17 15:32:24,603 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:32:24,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:32:24,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191188926] [2025-03-17 15:32:24,710 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:32:24,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [384306297] [2025-03-17 15:32:24,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [384306297] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:32:24,710 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:32:24,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2025-03-17 15:32:24,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527284204] [2025-03-17 15:32:24,710 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:32:24,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-17 15:32:24,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:32:24,711 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-17 15:32:24,711 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2025-03-17 15:32:24,711 INFO L87 Difference]: Start difference. First operand 149 states and 181 transitions. Second operand has 7 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-17 15:32:24,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:32:24,918 INFO L93 Difference]: Finished difference Result 157 states and 188 transitions. [2025-03-17 15:32:24,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-17 15:32:24,919 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 21 [2025-03-17 15:32:24,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:32:24,920 INFO L225 Difference]: With dead ends: 157 [2025-03-17 15:32:24,920 INFO L226 Difference]: Without dead ends: 156 [2025-03-17 15:32:24,920 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2025-03-17 15:32:24,920 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 134 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:32:24,920 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 237 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:32:24,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2025-03-17 15:32:24,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 149. [2025-03-17 15:32:24,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 101 states have (on average 1.6237623762376239) internal successors, (164), 138 states have internal predecessors, (164), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-03-17 15:32:24,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 180 transitions. [2025-03-17 15:32:24,927 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 180 transitions. Word has length 21 [2025-03-17 15:32:24,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:32:24,927 INFO L471 AbstractCegarLoop]: Abstraction has 149 states and 180 transitions. [2025-03-17 15:32:24,927 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-17 15:32:24,927 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 180 transitions. [2025-03-17 15:32:24,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2025-03-17 15:32:24,928 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:32:24,928 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:32:24,934 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 15:32:25,128 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:32:25,129 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-03-17 15:32:25,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:32:25,129 INFO L85 PathProgramCache]: Analyzing trace with hash -973784862, now seen corresponding path program 1 times [2025-03-17 15:32:25,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:32:25,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985800408] [2025-03-17 15:32:25,129 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:32:25,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:32:25,133 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-03-17 15:32:25,144 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-03-17 15:32:25,148 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:32:25,148 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:32:25,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2005628277] [2025-03-17 15:32:25,149 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:32:25,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:32:25,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:32:25,151 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 15:32:25,153 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 15:32:25,173 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-03-17 15:32:25,181 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-03-17 15:32:25,181 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:32:25,181 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:32:25,182 INFO L256 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-03-17 15:32:25,183 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:32:25,268 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 15:32:25,268 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:32:25,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:32:25,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985800408] [2025-03-17 15:32:25,269 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:32:25,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2005628277] [2025-03-17 15:32:25,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2005628277] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:32:25,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:32:25,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-17 15:32:25,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571315508] [2025-03-17 15:32:25,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:32:25,269 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-17 15:32:25,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:32:25,270 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-17 15:32:25,270 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:32:25,270 INFO L87 Difference]: Start difference. First operand 149 states and 180 transitions. Second operand has 8 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 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 15:32:25,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:32:25,446 INFO L93 Difference]: Finished difference Result 157 states and 187 transitions. [2025-03-17 15:32:25,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-17 15:32:25,447 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 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) Word has length 22 [2025-03-17 15:32:25,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:32:25,447 INFO L225 Difference]: With dead ends: 157 [2025-03-17 15:32:25,447 INFO L226 Difference]: Without dead ends: 156 [2025-03-17 15:32:25,448 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2025-03-17 15:32:25,448 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 362 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 364 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:32:25,448 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [364 Valid, 230 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:32:25,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2025-03-17 15:32:25,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 149. [2025-03-17 15:32:25,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 101 states have (on average 1.613861386138614) internal successors, (163), 138 states have internal predecessors, (163), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-03-17 15:32:25,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 179 transitions. [2025-03-17 15:32:25,454 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 179 transitions. Word has length 22 [2025-03-17 15:32:25,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:32:25,454 INFO L471 AbstractCegarLoop]: Abstraction has 149 states and 179 transitions. [2025-03-17 15:32:25,454 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 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 15:32:25,454 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 179 transitions. [2025-03-17 15:32:25,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2025-03-17 15:32:25,455 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:32:25,455 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:32:25,463 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 15:32:25,655 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:32:25,655 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-03-17 15:32:25,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:32:25,656 INFO L85 PathProgramCache]: Analyzing trace with hash -122559594, now seen corresponding path program 1 times [2025-03-17 15:32:25,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:32:25,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268518477] [2025-03-17 15:32:25,656 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:32:25,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:32:25,659 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-03-17 15:32:25,663 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-03-17 15:32:25,663 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:32:25,663 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:32:25,713 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 15:32:25,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:32:25,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268518477] [2025-03-17 15:32:25,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [268518477] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:32:25,713 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:32:25,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:32:25,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255194089] [2025-03-17 15:32:25,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:32:25,714 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:32:25,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:32:25,714 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:32:25,714 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:32:25,715 INFO L87 Difference]: Start difference. First operand 149 states and 179 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-17 15:32:25,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:32:25,940 INFO L93 Difference]: Finished difference Result 241 states and 287 transitions. [2025-03-17 15:32:25,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:32:25,940 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 23 [2025-03-17 15:32:25,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:32:25,942 INFO L225 Difference]: With dead ends: 241 [2025-03-17 15:32:25,942 INFO L226 Difference]: Without dead ends: 240 [2025-03-17 15:32:25,942 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:32:25,943 INFO L435 NwaCegarLoop]: 58 mSDtfsCounter, 70 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:32:25,944 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 167 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:32:25,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2025-03-17 15:32:25,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 169. [2025-03-17 15:32:25,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 120 states have (on average 1.6166666666666667) internal successors, (194), 157 states have internal predecessors, (194), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-03-17 15:32:25,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 212 transitions. [2025-03-17 15:32:25,960 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 212 transitions. Word has length 23 [2025-03-17 15:32:25,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:32:25,960 INFO L471 AbstractCegarLoop]: Abstraction has 169 states and 212 transitions. [2025-03-17 15:32:25,960 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-17 15:32:25,960 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 212 transitions. [2025-03-17 15:32:25,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2025-03-17 15:32:25,960 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:32:25,960 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:32:25,961 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-17 15:32:25,961 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-03-17 15:32:25,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:32:25,961 INFO L85 PathProgramCache]: Analyzing trace with hash 495619936, now seen corresponding path program 1 times [2025-03-17 15:32:25,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:32:25,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558755641] [2025-03-17 15:32:25,961 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:32:25,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:32:25,966 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-03-17 15:32:25,974 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-03-17 15:32:25,974 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:32:25,974 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:32:26,034 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 15:32:26,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:32:26,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558755641] [2025-03-17 15:32:26,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [558755641] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:32:26,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:32:26,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:32:26,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574528855] [2025-03-17 15:32:26,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:32:26,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:32:26,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:32:26,039 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:32:26,039 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:32:26,039 INFO L87 Difference]: Start difference. First operand 169 states and 212 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-17 15:32:26,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:32:26,391 INFO L93 Difference]: Finished difference Result 241 states and 285 transitions. [2025-03-17 15:32:26,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:32:26,391 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 24 [2025-03-17 15:32:26,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:32:26,393 INFO L225 Difference]: With dead ends: 241 [2025-03-17 15:32:26,393 INFO L226 Difference]: Without dead ends: 240 [2025-03-17 15:32:26,394 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:32:26,396 INFO L435 NwaCegarLoop]: 68 mSDtfsCounter, 69 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:32:26,396 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 179 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 15:32:26,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2025-03-17 15:32:26,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 169. [2025-03-17 15:32:26,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 120 states have (on average 1.6) internal successors, (192), 157 states have internal predecessors, (192), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-03-17 15:32:26,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 210 transitions. [2025-03-17 15:32:26,402 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 210 transitions. Word has length 24 [2025-03-17 15:32:26,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:32:26,402 INFO L471 AbstractCegarLoop]: Abstraction has 169 states and 210 transitions. [2025-03-17 15:32:26,402 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-17 15:32:26,402 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 210 transitions. [2025-03-17 15:32:26,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2025-03-17 15:32:26,403 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:32:26,403 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:32:26,403 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-17 15:32:26,403 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-03-17 15:32:26,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:32:26,403 INFO L85 PathProgramCache]: Analyzing trace with hash -2034731215, now seen corresponding path program 1 times [2025-03-17 15:32:26,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:32:26,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020455646] [2025-03-17 15:32:26,404 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:32:26,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:32:26,407 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-03-17 15:32:26,430 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-03-17 15:32:26,430 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:32:26,430 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:32:26,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [764090740] [2025-03-17 15:32:26,431 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:32:26,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:32:26,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:32:26,434 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 15:32:26,436 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 15:32:26,456 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-03-17 15:32:26,465 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-03-17 15:32:26,465 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:32:26,465 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:32:26,465 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-17 15:32:26,466 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:32:26,530 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 15:32:26,531 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:32:26,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:32:26,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020455646] [2025-03-17 15:32:26,531 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:32:26,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [764090740] [2025-03-17 15:32:26,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [764090740] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:32:26,531 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:32:26,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:32:26,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421052224] [2025-03-17 15:32:26,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:32:26,532 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:32:26,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:32:26,532 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:32:26,532 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:32:26,532 INFO L87 Difference]: Start difference. First operand 169 states and 210 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-03-17 15:32:26,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:32:26,707 INFO L93 Difference]: Finished difference Result 179 states and 218 transitions. [2025-03-17 15:32:26,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:32:26,708 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 37 [2025-03-17 15:32:26,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:32:26,709 INFO L225 Difference]: With dead ends: 179 [2025-03-17 15:32:26,709 INFO L226 Difference]: Without dead ends: 176 [2025-03-17 15:32:26,709 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-17 15:32:26,709 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 149 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:32:26,709 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 117 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:32:26,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2025-03-17 15:32:26,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 173. [2025-03-17 15:32:26,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 124 states have (on average 1.5725806451612903) internal successors, (195), 161 states have internal predecessors, (195), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-03-17 15:32:26,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 213 transitions. [2025-03-17 15:32:26,715 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 213 transitions. Word has length 37 [2025-03-17 15:32:26,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:32:26,715 INFO L471 AbstractCegarLoop]: Abstraction has 173 states and 213 transitions. [2025-03-17 15:32:26,715 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-03-17 15:32:26,716 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 213 transitions. [2025-03-17 15:32:26,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2025-03-17 15:32:26,716 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:32:26,716 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:32:26,723 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-03-17 15:32:26,917 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:32:26,917 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-03-17 15:32:26,917 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:32:26,917 INFO L85 PathProgramCache]: Analyzing trace with hash 1347841772, now seen corresponding path program 1 times [2025-03-17 15:32:26,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:32:26,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983804521] [2025-03-17 15:32:26,918 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:32:26,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:32:26,921 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-03-17 15:32:26,930 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-03-17 15:32:26,930 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:32:26,930 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:32:26,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1042101089] [2025-03-17 15:32:26,931 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:32:26,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:32:26,931 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:32:26,933 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 15:32:26,934 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 15:32:26,954 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-03-17 15:32:26,963 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-03-17 15:32:26,963 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:32:26,963 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:32:26,964 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-17 15:32:26,965 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:32:27,011 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 15:32:27,011 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:32:27,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:32:27,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983804521] [2025-03-17 15:32:27,012 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:32:27,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1042101089] [2025-03-17 15:32:27,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1042101089] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:32:27,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:32:27,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:32:27,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067582852] [2025-03-17 15:32:27,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:32:27,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:32:27,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:32:27,012 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:32:27,012 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:32:27,012 INFO L87 Difference]: Start difference. First operand 173 states and 213 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-03-17 15:32:27,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:32:27,178 INFO L93 Difference]: Finished difference Result 233 states and 304 transitions. [2025-03-17 15:32:27,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:32:27,179 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 38 [2025-03-17 15:32:27,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:32:27,180 INFO L225 Difference]: With dead ends: 233 [2025-03-17 15:32:27,180 INFO L226 Difference]: Without dead ends: 227 [2025-03-17 15:32:27,180 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-17 15:32:27,180 INFO L435 NwaCegarLoop]: 54 mSDtfsCounter, 187 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:32:27,180 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 97 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:32:27,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2025-03-17 15:32:27,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 211. [2025-03-17 15:32:27,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 161 states have (on average 1.6459627329192548) internal successors, (265), 198 states have internal predecessors, (265), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-03-17 15:32:27,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 285 transitions. [2025-03-17 15:32:27,187 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 285 transitions. Word has length 38 [2025-03-17 15:32:27,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:32:27,187 INFO L471 AbstractCegarLoop]: Abstraction has 211 states and 285 transitions. [2025-03-17 15:32:27,187 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-03-17 15:32:27,187 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 285 transitions. [2025-03-17 15:32:27,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2025-03-17 15:32:27,190 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:32:27,190 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:32:27,196 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-03-17 15:32:27,390 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:32:27,391 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-03-17 15:32:27,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:32:27,392 INFO L85 PathProgramCache]: Analyzing trace with hash 1349911253, now seen corresponding path program 1 times [2025-03-17 15:32:27,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:32:27,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327128910] [2025-03-17 15:32:27,392 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:32:27,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:32:27,398 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-03-17 15:32:27,408 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-03-17 15:32:27,409 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:32:27,409 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:32:27,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1923732933] [2025-03-17 15:32:27,409 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:32:27,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:32:27,410 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:32:27,411 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:32:27,413 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-03-17 15:32:27,432 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-03-17 15:32:27,445 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-03-17 15:32:27,445 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:32:27,445 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:32:27,446 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-17 15:32:27,447 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:32:27,497 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 15:32:27,499 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:32:27,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:32:27,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327128910] [2025-03-17 15:32:27,499 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:32:27,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1923732933] [2025-03-17 15:32:27,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1923732933] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:32:27,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:32:27,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:32:27,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035096148] [2025-03-17 15:32:27,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:32:27,499 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:32:27,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:32:27,500 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:32:27,500 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:32:27,500 INFO L87 Difference]: Start difference. First operand 211 states and 285 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-17 15:32:27,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:32:27,650 INFO L93 Difference]: Finished difference Result 254 states and 347 transitions. [2025-03-17 15:32:27,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:32:27,651 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 38 [2025-03-17 15:32:27,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:32:27,652 INFO L225 Difference]: With dead ends: 254 [2025-03-17 15:32:27,652 INFO L226 Difference]: Without dead ends: 250 [2025-03-17 15:32:27,653 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-17 15:32:27,653 INFO L435 NwaCegarLoop]: 77 mSDtfsCounter, 141 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:32:27,653 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 119 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:32:27,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2025-03-17 15:32:27,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 234. [2025-03-17 15:32:27,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 183 states have (on average 1.644808743169399) internal successors, (301), 220 states have internal predecessors, (301), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2025-03-17 15:32:27,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 323 transitions. [2025-03-17 15:32:27,660 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 323 transitions. Word has length 38 [2025-03-17 15:32:27,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:32:27,660 INFO L471 AbstractCegarLoop]: Abstraction has 234 states and 323 transitions. [2025-03-17 15:32:27,660 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-17 15:32:27,660 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 323 transitions. [2025-03-17 15:32:27,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2025-03-17 15:32:27,661 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:32:27,661 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:32:27,666 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-03-17 15:32:27,861 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2025-03-17 15:32:27,862 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-03-17 15:32:27,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:32:27,862 INFO L85 PathProgramCache]: Analyzing trace with hash -1166578033, now seen corresponding path program 1 times [2025-03-17 15:32:27,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:32:27,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262804434] [2025-03-17 15:32:27,862 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:32:27,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:32:27,865 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-03-17 15:32:27,872 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-03-17 15:32:27,873 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:32:27,873 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:32:27,942 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 15:32:27,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:32:27,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262804434] [2025-03-17 15:32:27,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262804434] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:32:27,943 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:32:27,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:32:27,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052735661] [2025-03-17 15:32:27,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:32:27,943 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:32:27,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:32:27,943 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:32:27,943 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:32:27,944 INFO L87 Difference]: Start difference. First operand 234 states and 323 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-17 15:32:28,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:32:28,064 INFO L93 Difference]: Finished difference Result 317 states and 416 transitions. [2025-03-17 15:32:28,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:32:28,064 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), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 39 [2025-03-17 15:32:28,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:32:28,065 INFO L225 Difference]: With dead ends: 317 [2025-03-17 15:32:28,065 INFO L226 Difference]: Without dead ends: 316 [2025-03-17 15:32:28,066 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:32:28,066 INFO L435 NwaCegarLoop]: 91 mSDtfsCounter, 62 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:32:28,066 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 195 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:32:28,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2025-03-17 15:32:28,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 244. [2025-03-17 15:32:28,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 193 states have (on average 1.6373056994818653) internal successors, (316), 230 states have internal predecessors, (316), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2025-03-17 15:32:28,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 338 transitions. [2025-03-17 15:32:28,076 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 338 transitions. Word has length 39 [2025-03-17 15:32:28,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:32:28,077 INFO L471 AbstractCegarLoop]: Abstraction has 244 states and 338 transitions. [2025-03-17 15:32:28,077 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), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-17 15:32:28,077 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 338 transitions. [2025-03-17 15:32:28,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2025-03-17 15:32:28,077 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:32:28,077 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:32:28,077 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-03-17 15:32:28,077 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-03-17 15:32:28,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:32:28,079 INFO L85 PathProgramCache]: Analyzing trace with hash -1102424108, now seen corresponding path program 1 times [2025-03-17 15:32:28,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:32:28,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350803366] [2025-03-17 15:32:28,079 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:32:28,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:32:28,082 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-03-17 15:32:28,090 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-03-17 15:32:28,091 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:32:28,091 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:32:28,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [728026945] [2025-03-17 15:32:28,091 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:32:28,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:32:28,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:32:28,093 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:32:28,095 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-03-17 15:32:28,111 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-03-17 15:32:28,119 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-03-17 15:32:28,119 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:32:28,119 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:32:28,120 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-17 15:32:28,121 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:32:28,172 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 15:32:28,172 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:32:28,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:32:28,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350803366] [2025-03-17 15:32:28,172 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:32:28,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [728026945] [2025-03-17 15:32:28,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [728026945] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:32:28,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:32:28,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:32:28,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547958328] [2025-03-17 15:32:28,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:32:28,173 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:32:28,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:32:28,173 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:32:28,173 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:32:28,173 INFO L87 Difference]: Start difference. First operand 244 states and 338 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-17 15:32:28,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:32:28,321 INFO L93 Difference]: Finished difference Result 256 states and 345 transitions. [2025-03-17 15:32:28,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:32:28,321 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), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 39 [2025-03-17 15:32:28,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:32:28,323 INFO L225 Difference]: With dead ends: 256 [2025-03-17 15:32:28,323 INFO L226 Difference]: Without dead ends: 252 [2025-03-17 15:32:28,323 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-17 15:32:28,323 INFO L435 NwaCegarLoop]: 41 mSDtfsCounter, 194 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:32:28,323 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 81 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:32:28,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2025-03-17 15:32:28,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 244. [2025-03-17 15:32:28,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 193 states have (on average 1.61139896373057) internal successors, (311), 230 states have internal predecessors, (311), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2025-03-17 15:32:28,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 333 transitions. [2025-03-17 15:32:28,332 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 333 transitions. Word has length 39 [2025-03-17 15:32:28,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:32:28,332 INFO L471 AbstractCegarLoop]: Abstraction has 244 states and 333 transitions. [2025-03-17 15:32:28,332 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), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-17 15:32:28,332 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 333 transitions. [2025-03-17 15:32:28,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-03-17 15:32:28,333 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:32:28,333 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:32:28,339 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-03-17 15:32:28,534 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:32:28,534 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-03-17 15:32:28,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:32:28,535 INFO L85 PathProgramCache]: Analyzing trace with hash 1428256844, now seen corresponding path program 1 times [2025-03-17 15:32:28,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:32:28,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949307842] [2025-03-17 15:32:28,535 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:32:28,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:32:28,538 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-03-17 15:32:28,548 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-03-17 15:32:28,548 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:32:28,549 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:32:28,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [124209564] [2025-03-17 15:32:28,549 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:32:28,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:32:28,549 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:32:28,551 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:32:28,552 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-03-17 15:32:28,569 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-03-17 15:32:28,578 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-03-17 15:32:28,579 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:32:28,579 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:32:28,579 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-03-17 15:32:28,580 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:32:28,707 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-03-17 15:32:28,708 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:32:37,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:32:37,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949307842] [2025-03-17 15:32:37,717 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:32:37,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [124209564] [2025-03-17 15:32:37,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [124209564] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:32:37,717 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:32:37,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-03-17 15:32:37,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674172513] [2025-03-17 15:32:37,717 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:32:37,717 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-17 15:32:37,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:32:37,718 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-17 15:32:37,718 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=115, Unknown=2, NotChecked=0, Total=156 [2025-03-17 15:32:37,718 INFO L87 Difference]: Start difference. First operand 244 states and 333 transitions. Second operand has 9 states, 8 states have (on average 3.625) internal successors, (29), 8 states have internal predecessors, (29), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-03-17 15:32:37,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:32:37,974 INFO L93 Difference]: Finished difference Result 265 states and 352 transitions. [2025-03-17 15:32:37,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-17 15:32:37,974 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.625) internal successors, (29), 8 states have internal predecessors, (29), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 40 [2025-03-17 15:32:37,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:32:37,976 INFO L225 Difference]: With dead ends: 265 [2025-03-17 15:32:37,976 INFO L226 Difference]: Without dead ends: 258 [2025-03-17 15:32:37,976 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 8.3s TimeCoverageRelationStatistics Valid=72, Invalid=166, Unknown=2, NotChecked=0, Total=240 [2025-03-17 15:32:37,977 INFO L435 NwaCegarLoop]: 65 mSDtfsCounter, 267 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 332 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 269 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 332 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:32:37,978 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [269 Valid, 231 Invalid, 346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 332 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:32:37,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2025-03-17 15:32:37,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 251. [2025-03-17 15:32:37,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 199 states have (on average 1.5778894472361809) internal successors, (314), 236 states have internal predecessors, (314), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-03-17 15:32:37,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 338 transitions. [2025-03-17 15:32:37,986 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 338 transitions. Word has length 40 [2025-03-17 15:32:37,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:32:37,987 INFO L471 AbstractCegarLoop]: Abstraction has 251 states and 338 transitions. [2025-03-17 15:32:37,987 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.625) internal successors, (29), 8 states have internal predecessors, (29), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-03-17 15:32:37,987 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 338 transitions. [2025-03-17 15:32:37,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-03-17 15:32:37,989 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:32:37,989 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:32:38,000 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-03-17 15:32:38,189 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2025-03-17 15:32:38,190 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-03-17 15:32:38,190 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:32:38,190 INFO L85 PathProgramCache]: Analyzing trace with hash -1804180662, now seen corresponding path program 1 times [2025-03-17 15:32:38,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:32:38,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792244902] [2025-03-17 15:32:38,190 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:32:38,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:32:38,193 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-03-17 15:32:38,198 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-03-17 15:32:38,198 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:32:38,199 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:32:38,248 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 15:32:38,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:32:38,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792244902] [2025-03-17 15:32:38,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [792244902] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:32:38,248 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:32:38,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:32:38,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296582202] [2025-03-17 15:32:38,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:32:38,248 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:32:38,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:32:38,249 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:32:38,249 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:32:38,249 INFO L87 Difference]: Start difference. First operand 251 states and 338 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-17 15:32:38,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:32:38,511 INFO L93 Difference]: Finished difference Result 310 states and 401 transitions. [2025-03-17 15:32:38,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:32:38,511 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 40 [2025-03-17 15:32:38,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:32:38,513 INFO L225 Difference]: With dead ends: 310 [2025-03-17 15:32:38,513 INFO L226 Difference]: Without dead ends: 309 [2025-03-17 15:32:38,513 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:32:38,514 INFO L435 NwaCegarLoop]: 104 mSDtfsCounter, 53 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:32:38,514 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 206 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 15:32:38,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2025-03-17 15:32:38,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 253. [2025-03-17 15:32:38,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 201 states have (on average 1.572139303482587) internal successors, (316), 238 states have internal predecessors, (316), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-03-17 15:32:38,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 340 transitions. [2025-03-17 15:32:38,522 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 340 transitions. Word has length 40 [2025-03-17 15:32:38,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:32:38,523 INFO L471 AbstractCegarLoop]: Abstraction has 253 states and 340 transitions. [2025-03-17 15:32:38,523 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-17 15:32:38,523 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 340 transitions. [2025-03-17 15:32:38,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-03-17 15:32:38,523 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:32:38,523 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:32:38,523 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-03-17 15:32:38,524 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-03-17 15:32:38,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:32:38,524 INFO L85 PathProgramCache]: Analyzing trace with hash 184591027, now seen corresponding path program 1 times [2025-03-17 15:32:38,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:32:38,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219071975] [2025-03-17 15:32:38,524 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:32:38,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:32:38,527 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-03-17 15:32:38,532 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-03-17 15:32:38,532 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:32:38,532 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:32:38,572 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 15:32:38,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:32:38,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219071975] [2025-03-17 15:32:38,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219071975] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:32:38,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:32:38,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:32:38,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810053527] [2025-03-17 15:32:38,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:32:38,573 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:32:38,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:32:38,573 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:32:38,574 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:32:38,574 INFO L87 Difference]: Start difference. First operand 253 states and 340 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-17 15:32:38,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:32:38,742 INFO L93 Difference]: Finished difference Result 310 states and 399 transitions. [2025-03-17 15:32:38,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:32:38,742 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 40 [2025-03-17 15:32:38,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:32:38,743 INFO L225 Difference]: With dead ends: 310 [2025-03-17 15:32:38,744 INFO L226 Difference]: Without dead ends: 309 [2025-03-17 15:32:38,745 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:32:38,745 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 53 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:32:38,746 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 228 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:32:38,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2025-03-17 15:32:38,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 261. [2025-03-17 15:32:38,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 209 states have (on average 1.5645933014354068) internal successors, (327), 246 states have internal predecessors, (327), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-03-17 15:32:38,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 351 transitions. [2025-03-17 15:32:38,754 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 351 transitions. Word has length 40 [2025-03-17 15:32:38,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:32:38,754 INFO L471 AbstractCegarLoop]: Abstraction has 261 states and 351 transitions. [2025-03-17 15:32:38,754 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-17 15:32:38,754 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 351 transitions. [2025-03-17 15:32:38,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-03-17 15:32:38,755 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:32:38,755 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:32:38,755 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-03-17 15:32:38,755 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-03-17 15:32:38,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:32:38,756 INFO L85 PathProgramCache]: Analyzing trace with hash 236123498, now seen corresponding path program 1 times [2025-03-17 15:32:38,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:32:38,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395475859] [2025-03-17 15:32:38,756 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:32:38,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:32:38,759 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-03-17 15:32:38,763 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-03-17 15:32:38,764 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:32:38,764 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:32:38,832 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 15:32:38,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:32:38,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395475859] [2025-03-17 15:32:38,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395475859] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:32:38,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:32:38,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-17 15:32:38,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965459501] [2025-03-17 15:32:38,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:32:38,834 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-17 15:32:38,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:32:38,834 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-17 15:32:38,834 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2025-03-17 15:32:38,835 INFO L87 Difference]: Start difference. First operand 261 states and 351 transitions. Second operand has 7 states, 6 states have (on average 4.333333333333333) internal successors, (26), 7 states have internal predecessors, (26), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-03-17 15:32:39,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:32:39,140 INFO L93 Difference]: Finished difference Result 355 states and 502 transitions. [2025-03-17 15:32:39,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-17 15:32:39,140 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.333333333333333) internal successors, (26), 7 states have internal predecessors, (26), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 40 [2025-03-17 15:32:39,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:32:39,142 INFO L225 Difference]: With dead ends: 355 [2025-03-17 15:32:39,142 INFO L226 Difference]: Without dead ends: 353 [2025-03-17 15:32:39,142 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2025-03-17 15:32:39,142 INFO L435 NwaCegarLoop]: 46 mSDtfsCounter, 385 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 327 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 385 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 348 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:32:39,142 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [385 Valid, 114 Invalid, 348 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 327 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 15:32:39,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2025-03-17 15:32:39,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 267. [2025-03-17 15:32:39,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267 states, 215 states have (on average 1.5534883720930233) internal successors, (334), 252 states have internal predecessors, (334), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-03-17 15:32:39,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 358 transitions. [2025-03-17 15:32:39,151 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 358 transitions. Word has length 40 [2025-03-17 15:32:39,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:32:39,151 INFO L471 AbstractCegarLoop]: Abstraction has 267 states and 358 transitions. [2025-03-17 15:32:39,151 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.333333333333333) internal successors, (26), 7 states have internal predecessors, (26), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-03-17 15:32:39,151 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 358 transitions. [2025-03-17 15:32:39,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2025-03-17 15:32:39,152 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:32:39,152 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:32:39,152 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-03-17 15:32:39,152 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-03-17 15:32:39,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:32:39,153 INFO L85 PathProgramCache]: Analyzing trace with hash 1326289266, now seen corresponding path program 1 times [2025-03-17 15:32:39,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:32:39,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494496628] [2025-03-17 15:32:39,153 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:32:39,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:32:39,156 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-03-17 15:32:39,169 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-03-17 15:32:39,169 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:32:39,169 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:32:39,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1230602936] [2025-03-17 15:32:39,170 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:32:39,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:32:39,171 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:32:39,172 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:32:39,173 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-03-17 15:32:39,191 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-03-17 15:32:39,203 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-03-17 15:32:39,203 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:32:39,203 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:32:39,207 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-03-17 15:32:39,209 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:32:39,549 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-03-17 15:32:39,549 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:32:40,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:32:40,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494496628] [2025-03-17 15:32:40,392 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:32:40,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1230602936] [2025-03-17 15:32:40,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1230602936] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:32:40,392 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:32:40,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-03-17 15:32:40,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065337815] [2025-03-17 15:32:40,392 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:32:40,392 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-17 15:32:40,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:32:40,393 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-17 15:32:40,393 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=208, Unknown=0, NotChecked=0, Total=272 [2025-03-17 15:32:40,393 INFO L87 Difference]: Start difference. First operand 267 states and 358 transitions. Second operand has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-03-17 15:32:42,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:32:42,048 INFO L93 Difference]: Finished difference Result 424 states and 572 transitions. [2025-03-17 15:32:42,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-17 15:32:42,049 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 41 [2025-03-17 15:32:42,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:32:42,051 INFO L225 Difference]: With dead ends: 424 [2025-03-17 15:32:42,051 INFO L226 Difference]: Without dead ends: 321 [2025-03-17 15:32:42,051 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=234, Invalid=522, Unknown=0, NotChecked=0, Total=756 [2025-03-17 15:32:42,051 INFO L435 NwaCegarLoop]: 65 mSDtfsCounter, 299 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 906 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 301 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 967 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 906 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:32:42,052 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [301 Valid, 283 Invalid, 967 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 906 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-03-17 15:32:42,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2025-03-17 15:32:42,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 317. [2025-03-17 15:32:42,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 317 states, 265 states have (on average 1.460377358490566) internal successors, (387), 302 states have internal predecessors, (387), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-03-17 15:32:42,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 411 transitions. [2025-03-17 15:32:42,065 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 411 transitions. Word has length 41 [2025-03-17 15:32:42,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:32:42,065 INFO L471 AbstractCegarLoop]: Abstraction has 317 states and 411 transitions. [2025-03-17 15:32:42,065 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-03-17 15:32:42,065 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 411 transitions. [2025-03-17 15:32:42,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2025-03-17 15:32:42,066 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:32:42,066 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:32:42,072 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2025-03-17 15:32:42,270 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2025-03-17 15:32:42,270 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-03-17 15:32:42,270 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:32:42,270 INFO L85 PathProgramCache]: Analyzing trace with hash 1427354546, now seen corresponding path program 1 times [2025-03-17 15:32:42,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:32:42,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841145843] [2025-03-17 15:32:42,271 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:32:42,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:32:42,273 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-03-17 15:32:42,277 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-03-17 15:32:42,277 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:32:42,277 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:32:42,331 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 15:32:42,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:32:42,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841145843] [2025-03-17 15:32:42,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1841145843] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:32:42,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:32:42,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:32:42,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281370419] [2025-03-17 15:32:42,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:32:42,332 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:32:42,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:32:42,332 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:32:42,332 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:32:42,332 INFO L87 Difference]: Start difference. First operand 317 states and 411 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-17 15:32:42,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:32:42,509 INFO L93 Difference]: Finished difference Result 348 states and 445 transitions. [2025-03-17 15:32:42,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:32:42,509 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 41 [2025-03-17 15:32:42,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:32:42,511 INFO L225 Difference]: With dead ends: 348 [2025-03-17 15:32:42,511 INFO L226 Difference]: Without dead ends: 347 [2025-03-17 15:32:42,511 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:32:42,511 INFO L435 NwaCegarLoop]: 96 mSDtfsCounter, 36 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:32:42,511 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 192 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:32:42,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2025-03-17 15:32:42,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 319. [2025-03-17 15:32:42,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 267 states have (on average 1.4569288389513109) internal successors, (389), 304 states have internal predecessors, (389), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-03-17 15:32:42,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 413 transitions. [2025-03-17 15:32:42,523 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 413 transitions. Word has length 41 [2025-03-17 15:32:42,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:32:42,523 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 413 transitions. [2025-03-17 15:32:42,524 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-17 15:32:42,524 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 413 transitions. [2025-03-17 15:32:42,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2025-03-17 15:32:42,524 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:32:42,524 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:32:42,524 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-03-17 15:32:42,524 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-03-17 15:32:42,525 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:32:42,525 INFO L85 PathProgramCache]: Analyzing trace with hash -1270106125, now seen corresponding path program 1 times [2025-03-17 15:32:42,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:32:42,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961373569] [2025-03-17 15:32:42,525 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:32:42,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:32:42,528 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-03-17 15:32:42,532 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-03-17 15:32:42,532 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:32:42,532 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:32:42,607 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 15:32:42,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:32:42,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961373569] [2025-03-17 15:32:42,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961373569] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:32:42,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:32:42,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-17 15:32:42,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209229411] [2025-03-17 15:32:42,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:32:42,608 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-17 15:32:42,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:32:42,608 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-17 15:32:42,608 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2025-03-17 15:32:42,609 INFO L87 Difference]: Start difference. First operand 319 states and 413 transitions. Second operand has 7 states, 6 states have (on average 4.5) internal successors, (27), 7 states have internal predecessors, (27), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-03-17 15:32:42,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:32:42,872 INFO L93 Difference]: Finished difference Result 326 states and 420 transitions. [2025-03-17 15:32:42,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-17 15:32:42,873 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.5) internal successors, (27), 7 states have internal predecessors, (27), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 41 [2025-03-17 15:32:42,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:32:42,874 INFO L225 Difference]: With dead ends: 326 [2025-03-17 15:32:42,874 INFO L226 Difference]: Without dead ends: 324 [2025-03-17 15:32:42,874 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2025-03-17 15:32:42,874 INFO L435 NwaCegarLoop]: 39 mSDtfsCounter, 360 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 291 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 360 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 291 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:32:42,875 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [360 Valid, 106 Invalid, 309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 291 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:32:42,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2025-03-17 15:32:42,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 319. [2025-03-17 15:32:42,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 267 states have (on average 1.445692883895131) internal successors, (386), 304 states have internal predecessors, (386), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-03-17 15:32:42,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 410 transitions. [2025-03-17 15:32:42,884 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 410 transitions. Word has length 41 [2025-03-17 15:32:42,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:32:42,884 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 410 transitions. [2025-03-17 15:32:42,884 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.5) internal successors, (27), 7 states have internal predecessors, (27), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-03-17 15:32:42,884 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 410 transitions. [2025-03-17 15:32:42,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2025-03-17 15:32:42,885 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:32:42,885 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:32:42,885 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2025-03-17 15:32:42,885 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-03-17 15:32:42,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:32:42,885 INFO L85 PathProgramCache]: Analyzing trace with hash 1298318030, now seen corresponding path program 1 times [2025-03-17 15:32:42,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:32:42,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200441684] [2025-03-17 15:32:42,886 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:32:42,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:32:42,889 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-03-17 15:32:42,896 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-03-17 15:32:42,896 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:32:42,896 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:32:42,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1787947639] [2025-03-17 15:32:42,896 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:32:42,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:32:42,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:32:42,902 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:32:42,904 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-03-17 15:32:42,921 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-03-17 15:32:42,930 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-03-17 15:32:42,930 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:32:42,930 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:32:42,930 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-03-17 15:32:42,931 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:32:43,111 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-03-17 15:32:43,112 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:32:43,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:32:43,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200441684] [2025-03-17 15:32:43,313 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:32:43,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1787947639] [2025-03-17 15:32:43,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1787947639] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:32:43,313 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:32:43,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2025-03-17 15:32:43,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794066300] [2025-03-17 15:32:43,313 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:32:43,313 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-17 15:32:43,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:32:43,313 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-17 15:32:43,313 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2025-03-17 15:32:43,313 INFO L87 Difference]: Start difference. First operand 319 states and 410 transitions. Second operand has 10 states, 9 states have (on average 3.4444444444444446) internal successors, (31), 9 states have internal predecessors, (31), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-17 15:32:43,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:32:43,630 INFO L93 Difference]: Finished difference Result 546 states and 719 transitions. [2025-03-17 15:32:43,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-17 15:32:43,630 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.4444444444444446) internal successors, (31), 9 states have internal predecessors, (31), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 42 [2025-03-17 15:32:43,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:32:43,631 INFO L225 Difference]: With dead ends: 546 [2025-03-17 15:32:43,631 INFO L226 Difference]: Without dead ends: 374 [2025-03-17 15:32:43,632 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2025-03-17 15:32:43,632 INFO L435 NwaCegarLoop]: 60 mSDtfsCounter, 162 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 510 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 510 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:32:43,632 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 245 Invalid, 523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 510 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:32:43,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2025-03-17 15:32:43,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 347. [2025-03-17 15:32:43,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 294 states have (on average 1.4319727891156462) internal successors, (421), 331 states have internal predecessors, (421), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2025-03-17 15:32:43,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 447 transitions. [2025-03-17 15:32:43,642 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 447 transitions. Word has length 42 [2025-03-17 15:32:43,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:32:43,642 INFO L471 AbstractCegarLoop]: Abstraction has 347 states and 447 transitions. [2025-03-17 15:32:43,642 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.4444444444444446) internal successors, (31), 9 states have internal predecessors, (31), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-17 15:32:43,642 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 447 transitions. [2025-03-17 15:32:43,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2025-03-17 15:32:43,643 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:32:43,643 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:32:43,648 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2025-03-17 15:32:43,843 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:32:43,843 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-03-17 15:32:43,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:32:43,843 INFO L85 PathProgramCache]: Analyzing trace with hash -1041300368, now seen corresponding path program 1 times [2025-03-17 15:32:43,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:32:43,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409104734] [2025-03-17 15:32:43,843 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:32:43,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:32:43,846 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-03-17 15:32:43,852 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-03-17 15:32:43,853 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:32:43,853 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:32:43,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1868588411] [2025-03-17 15:32:43,853 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:32:43,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:32:43,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:32:43,856 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:32:43,856 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-03-17 15:32:43,878 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-03-17 15:32:43,889 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-03-17 15:32:43,889 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:32:43,889 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:32:43,890 INFO L256 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 27 conjuncts are in the unsatisfiable core [2025-03-17 15:32:43,891 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:32:44,149 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-03-17 15:32:44,149 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:32:44,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:32:44,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409104734] [2025-03-17 15:32:44,959 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:32:44,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1868588411] [2025-03-17 15:32:44,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1868588411] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:32:44,959 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:32:44,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2025-03-17 15:32:44,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288303435] [2025-03-17 15:32:44,959 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:32:44,959 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-17 15:32:44,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:32:44,960 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-17 15:32:44,960 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=231, Unknown=0, NotChecked=0, Total=306 [2025-03-17 15:32:44,960 INFO L87 Difference]: Start difference. First operand 347 states and 447 transitions. Second operand has 13 states, 12 states have (on average 2.6666666666666665) internal successors, (32), 12 states have internal predecessors, (32), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-03-17 15:32:45,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:32:45,582 INFO L93 Difference]: Finished difference Result 389 states and 500 transitions. [2025-03-17 15:32:45,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-17 15:32:45,582 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.6666666666666665) internal successors, (32), 12 states have internal predecessors, (32), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 43 [2025-03-17 15:32:45,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:32:45,583 INFO L225 Difference]: With dead ends: 389 [2025-03-17 15:32:45,583 INFO L226 Difference]: Without dead ends: 388 [2025-03-17 15:32:45,583 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 38 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=157, Invalid=443, Unknown=0, NotChecked=0, Total=600 [2025-03-17 15:32:45,584 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 179 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 658 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 665 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 658 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-17 15:32:45,584 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 257 Invalid, 665 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 658 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-17 15:32:45,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2025-03-17 15:32:45,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 355. [2025-03-17 15:32:45,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 355 states, 302 states have (on average 1.4172185430463575) internal successors, (428), 339 states have internal predecessors, (428), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2025-03-17 15:32:45,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 454 transitions. [2025-03-17 15:32:45,597 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 454 transitions. Word has length 43 [2025-03-17 15:32:45,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:32:45,598 INFO L471 AbstractCegarLoop]: Abstraction has 355 states and 454 transitions. [2025-03-17 15:32:45,598 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.6666666666666665) internal successors, (32), 12 states have internal predecessors, (32), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-03-17 15:32:45,598 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 454 transitions. [2025-03-17 15:32:45,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2025-03-17 15:32:45,598 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:32:45,598 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:32:45,604 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2025-03-17 15:32:45,803 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2025-03-17 15:32:45,803 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-03-17 15:32:45,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:32:45,803 INFO L85 PathProgramCache]: Analyzing trace with hash 930334630, now seen corresponding path program 1 times [2025-03-17 15:32:45,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:32:45,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49235333] [2025-03-17 15:32:45,803 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:32:45,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:32:45,806 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-03-17 15:32:45,816 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-03-17 15:32:45,816 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:32:45,816 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:32:45,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [433226409] [2025-03-17 15:32:45,816 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:32:45,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:32:45,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:32:45,819 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:32:45,820 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-03-17 15:32:45,839 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-03-17 15:32:45,847 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-03-17 15:32:45,847 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:32:45,847 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:32:45,847 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-17 15:32:45,848 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:32:45,954 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 15:32:45,954 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:32:45,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:32:45,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49235333] [2025-03-17 15:32:45,954 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:32:45,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [433226409] [2025-03-17 15:32:45,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [433226409] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:32:45,955 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:32:45,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-17 15:32:45,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635901396] [2025-03-17 15:32:45,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:32:45,955 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-17 15:32:45,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:32:45,956 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-17 15:32:45,956 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2025-03-17 15:32:45,956 INFO L87 Difference]: Start difference. First operand 355 states and 454 transitions. Second operand has 7 states, 6 states have (on average 5.0) internal successors, (30), 7 states have internal predecessors, (30), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-03-17 15:32:46,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:32:46,256 INFO L93 Difference]: Finished difference Result 436 states and 572 transitions. [2025-03-17 15:32:46,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-17 15:32:46,257 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.0) internal successors, (30), 7 states have internal predecessors, (30), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 44 [2025-03-17 15:32:46,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:32:46,258 INFO L225 Difference]: With dead ends: 436 [2025-03-17 15:32:46,258 INFO L226 Difference]: Without dead ends: 428 [2025-03-17 15:32:46,258 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2025-03-17 15:32:46,259 INFO L435 NwaCegarLoop]: 43 mSDtfsCounter, 409 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 301 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 411 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:32:46,259 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [411 Valid, 89 Invalid, 337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 301 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 15:32:46,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 428 states. [2025-03-17 15:32:46,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 428 to 389. [2025-03-17 15:32:46,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 389 states, 335 states have (on average 1.4238805970149253) internal successors, (477), 372 states have internal predecessors, (477), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2025-03-17 15:32:46,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 505 transitions. [2025-03-17 15:32:46,271 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 505 transitions. Word has length 44 [2025-03-17 15:32:46,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:32:46,271 INFO L471 AbstractCegarLoop]: Abstraction has 389 states and 505 transitions. [2025-03-17 15:32:46,271 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.0) internal successors, (30), 7 states have internal predecessors, (30), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-03-17 15:32:46,271 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 505 transitions. [2025-03-17 15:32:46,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2025-03-17 15:32:46,272 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:32:46,272 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:32:46,278 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2025-03-17 15:32:46,475 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:32:46,476 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-03-17 15:32:46,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:32:46,476 INFO L85 PathProgramCache]: Analyzing trace with hash 922292914, now seen corresponding path program 1 times [2025-03-17 15:32:46,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:32:46,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108443811] [2025-03-17 15:32:46,476 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:32:46,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:32:46,479 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-03-17 15:32:46,485 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-03-17 15:32:46,485 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:32:46,485 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:32:46,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [973405705] [2025-03-17 15:32:46,485 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:32:46,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:32:46,485 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:32:46,487 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:32:46,489 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-03-17 15:32:46,506 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-03-17 15:32:46,515 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-03-17 15:32:46,515 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:32:46,515 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:32:46,516 INFO L256 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-03-17 15:32:46,517 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:32:46,611 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-03-17 15:32:46,611 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:32:46,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:32:46,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108443811] [2025-03-17 15:32:46,611 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:32:46,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [973405705] [2025-03-17 15:32:46,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [973405705] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:32:46,611 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:32:46,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-17 15:32:46,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757222897] [2025-03-17 15:32:46,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:32:46,611 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-17 15:32:46,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:32:46,612 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-17 15:32:46,612 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:32:46,612 INFO L87 Difference]: Start difference. First operand 389 states and 505 transitions. Second operand has 8 states, 7 states have (on average 4.857142857142857) internal successors, (34), 7 states have internal predecessors, (34), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-17 15:32:46,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:32:46,843 INFO L93 Difference]: Finished difference Result 392 states and 506 transitions. [2025-03-17 15:32:46,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-17 15:32:46,843 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 4.857142857142857) internal successors, (34), 7 states have internal predecessors, (34), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 45 [2025-03-17 15:32:46,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:32:46,844 INFO L225 Difference]: With dead ends: 392 [2025-03-17 15:32:46,844 INFO L226 Difference]: Without dead ends: 390 [2025-03-17 15:32:46,845 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2025-03-17 15:32:46,845 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 172 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 320 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 320 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:32:46,845 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 256 Invalid, 326 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 320 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:32:46,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2025-03-17 15:32:46,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 389. [2025-03-17 15:32:46,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 389 states, 335 states have (on average 1.4179104477611941) internal successors, (475), 372 states have internal predecessors, (475), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2025-03-17 15:32:46,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 503 transitions. [2025-03-17 15:32:46,856 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 503 transitions. Word has length 45 [2025-03-17 15:32:46,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:32:46,856 INFO L471 AbstractCegarLoop]: Abstraction has 389 states and 503 transitions. [2025-03-17 15:32:46,856 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 4.857142857142857) internal successors, (34), 7 states have internal predecessors, (34), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-17 15:32:46,857 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 503 transitions. [2025-03-17 15:32:46,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2025-03-17 15:32:46,857 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:32:46,857 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:32:46,863 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2025-03-17 15:32:47,057 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:32:47,058 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-03-17 15:32:47,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:32:47,058 INFO L85 PathProgramCache]: Analyzing trace with hash -1224397521, now seen corresponding path program 1 times [2025-03-17 15:32:47,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:32:47,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085663860] [2025-03-17 15:32:47,058 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:32:47,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:32:47,061 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-03-17 15:32:47,068 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-03-17 15:32:47,068 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:32:47,068 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:32:47,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1598992328] [2025-03-17 15:32:47,068 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:32:47,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:32:47,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:32:47,072 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:32:47,073 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2025-03-17 15:32:47,093 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-03-17 15:32:47,102 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-03-17 15:32:47,102 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:32:47,102 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:32:47,103 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-17 15:32:47,104 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:32:47,205 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 15:32:47,205 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:32:47,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:32:47,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085663860] [2025-03-17 15:32:47,205 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:32:47,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1598992328] [2025-03-17 15:32:47,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1598992328] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:32:47,206 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:32:47,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-17 15:32:47,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648684603] [2025-03-17 15:32:47,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:32:47,206 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-17 15:32:47,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:32:47,206 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-17 15:32:47,207 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2025-03-17 15:32:47,207 INFO L87 Difference]: Start difference. First operand 389 states and 503 transitions. Second operand has 7 states, 6 states have (on average 5.166666666666667) internal successors, (31), 7 states have internal predecessors, (31), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-03-17 15:32:47,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:32:47,472 INFO L93 Difference]: Finished difference Result 424 states and 547 transitions. [2025-03-17 15:32:47,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-17 15:32:47,472 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.166666666666667) internal successors, (31), 7 states have internal predecessors, (31), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 45 [2025-03-17 15:32:47,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:32:47,474 INFO L225 Difference]: With dead ends: 424 [2025-03-17 15:32:47,474 INFO L226 Difference]: Without dead ends: 423 [2025-03-17 15:32:47,474 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2025-03-17 15:32:47,474 INFO L435 NwaCegarLoop]: 36 mSDtfsCounter, 232 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 329 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 234 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 348 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:32:47,474 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [234 Valid, 99 Invalid, 348 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 329 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:32:47,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2025-03-17 15:32:47,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 389. [2025-03-17 15:32:47,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 389 states, 335 states have (on average 1.4119402985074627) internal successors, (473), 372 states have internal predecessors, (473), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2025-03-17 15:32:47,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 501 transitions. [2025-03-17 15:32:47,486 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 501 transitions. Word has length 45 [2025-03-17 15:32:47,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:32:47,486 INFO L471 AbstractCegarLoop]: Abstraction has 389 states and 501 transitions. [2025-03-17 15:32:47,486 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.166666666666667) internal successors, (31), 7 states have internal predecessors, (31), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-03-17 15:32:47,486 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 501 transitions. [2025-03-17 15:32:47,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2025-03-17 15:32:47,487 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:32:47,487 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:32:47,493 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2025-03-17 15:32:47,687 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2025-03-17 15:32:47,687 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-03-17 15:32:47,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:32:47,688 INFO L85 PathProgramCache]: Analyzing trace with hash -1473690684, now seen corresponding path program 1 times [2025-03-17 15:32:47,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:32:47,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024266326] [2025-03-17 15:32:47,688 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:32:47,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:32:47,690 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-03-17 15:32:47,698 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-03-17 15:32:47,698 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:32:47,698 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:32:47,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1926243345] [2025-03-17 15:32:47,699 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:32:47,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:32:47,699 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:32:47,701 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:32:47,703 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2025-03-17 15:32:47,721 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-03-17 15:32:47,731 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-03-17 15:32:47,731 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:32:47,731 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:32:47,732 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-03-17 15:32:47,733 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:32:47,981 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-03-17 15:32:47,981 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:32:48,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:32:48,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024266326] [2025-03-17 15:32:48,574 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:32:48,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1926243345] [2025-03-17 15:32:48,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1926243345] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:32:48,574 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:32:48,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2025-03-17 15:32:48,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451614288] [2025-03-17 15:32:48,575 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:32:48,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-17 15:32:48,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:32:48,575 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-17 15:32:48,575 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2025-03-17 15:32:48,575 INFO L87 Difference]: Start difference. First operand 389 states and 501 transitions. Second operand has 10 states, 9 states have (on average 3.888888888888889) internal successors, (35), 9 states have internal predecessors, (35), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-17 15:32:48,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:32:48,946 INFO L93 Difference]: Finished difference Result 639 states and 827 transitions. [2025-03-17 15:32:48,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-17 15:32:48,946 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.888888888888889) internal successors, (35), 9 states have internal predecessors, (35), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 46 [2025-03-17 15:32:48,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:32:48,947 INFO L225 Difference]: With dead ends: 639 [2025-03-17 15:32:48,947 INFO L226 Difference]: Without dead ends: 349 [2025-03-17 15:32:48,948 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=103, Invalid=277, Unknown=0, NotChecked=0, Total=380 [2025-03-17 15:32:48,948 INFO L435 NwaCegarLoop]: 55 mSDtfsCounter, 157 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 470 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 470 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:32:48,948 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 204 Invalid, 480 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 470 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 15:32:48,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2025-03-17 15:32:48,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 347. [2025-03-17 15:32:48,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 294 states have (on average 1.445578231292517) internal successors, (425), 331 states have internal predecessors, (425), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2025-03-17 15:32:48,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 451 transitions. [2025-03-17 15:32:48,958 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 451 transitions. Word has length 46 [2025-03-17 15:32:48,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:32:48,959 INFO L471 AbstractCegarLoop]: Abstraction has 347 states and 451 transitions. [2025-03-17 15:32:48,959 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.888888888888889) internal successors, (35), 9 states have internal predecessors, (35), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-17 15:32:48,959 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 451 transitions. [2025-03-17 15:32:48,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2025-03-17 15:32:48,959 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:32:48,959 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:32:48,965 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2025-03-17 15:32:49,164 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:32:49,164 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-03-17 15:32:49,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:32:49,165 INFO L85 PathProgramCache]: Analyzing trace with hash -2052734134, now seen corresponding path program 1 times [2025-03-17 15:32:49,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:32:49,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785344475] [2025-03-17 15:32:49,165 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:32:49,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:32:49,169 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-03-17 15:32:49,175 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-03-17 15:32:49,176 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:32:49,176 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:32:49,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [409269027] [2025-03-17 15:32:49,176 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:32:49,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:32:49,177 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:32:49,178 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:32:49,180 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2025-03-17 15:32:49,198 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-03-17 15:32:49,207 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-03-17 15:32:49,207 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:32:49,207 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:32:49,207 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-03-17 15:32:49,208 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:32:49,322 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-03-17 15:32:49,322 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:32:53,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:32:53,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785344475] [2025-03-17 15:32:53,500 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:32:53,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [409269027] [2025-03-17 15:32:53,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [409269027] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:32:53,500 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:32:53,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-03-17 15:32:53,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314545524] [2025-03-17 15:32:53,500 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:32:53,500 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-17 15:32:53,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:32:53,501 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-17 15:32:53,501 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=80, Unknown=1, NotChecked=0, Total=110 [2025-03-17 15:32:53,501 INFO L87 Difference]: Start difference. First operand 347 states and 451 transitions. Second operand has 8 states, 7 states have (on average 5.0) internal successors, (35), 8 states have internal predecessors, (35), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2025-03-17 15:32:53,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:32:53,680 INFO L93 Difference]: Finished difference Result 356 states and 460 transitions. [2025-03-17 15:32:53,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-17 15:32:53,681 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.0) internal successors, (35), 8 states have internal predecessors, (35), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 46 [2025-03-17 15:32:53,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:32:53,682 INFO L225 Difference]: With dead ends: 356 [2025-03-17 15:32:53,682 INFO L226 Difference]: Without dead ends: 355 [2025-03-17 15:32:53,682 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=54, Invalid=127, Unknown=1, NotChecked=0, Total=182 [2025-03-17 15:32:53,682 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 126 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:32:53,682 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 252 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:32:53,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2025-03-17 15:32:53,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 354. [2025-03-17 15:32:53,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 301 states have (on average 1.435215946843854) internal successors, (432), 338 states have internal predecessors, (432), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2025-03-17 15:32:53,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 458 transitions. [2025-03-17 15:32:53,692 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 458 transitions. Word has length 46 [2025-03-17 15:32:53,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:32:53,692 INFO L471 AbstractCegarLoop]: Abstraction has 354 states and 458 transitions. [2025-03-17 15:32:53,692 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.0) internal successors, (35), 8 states have internal predecessors, (35), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2025-03-17 15:32:53,692 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 458 transitions. [2025-03-17 15:32:53,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2025-03-17 15:32:53,692 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:32:53,693 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:32:53,699 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2025-03-17 15:32:53,893 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:32:53,893 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-03-17 15:32:53,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:32:53,893 INFO L85 PathProgramCache]: Analyzing trace with hash 698382532, now seen corresponding path program 1 times [2025-03-17 15:32:53,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:32:53,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968833300] [2025-03-17 15:32:53,894 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:32:53,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:32:53,896 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-03-17 15:32:53,898 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-03-17 15:32:53,898 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:32:53,898 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:32:53,926 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 15:32:53,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:32:53,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968833300] [2025-03-17 15:32:53,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968833300] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:32:53,926 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:32:53,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:32:53,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039871092] [2025-03-17 15:32:53,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:32:53,927 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:32:53,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:32:53,927 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:32:53,927 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:32:53,927 INFO L87 Difference]: Start difference. First operand 354 states and 458 transitions. Second operand has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-17 15:32:54,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:32:54,102 INFO L93 Difference]: Finished difference Result 378 states and 478 transitions. [2025-03-17 15:32:54,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:32:54,103 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 46 [2025-03-17 15:32:54,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:32:54,104 INFO L225 Difference]: With dead ends: 378 [2025-03-17 15:32:54,104 INFO L226 Difference]: Without dead ends: 377 [2025-03-17 15:32:54,104 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:32:54,104 INFO L435 NwaCegarLoop]: 96 mSDtfsCounter, 31 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:32:54,104 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 204 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:32:54,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2025-03-17 15:32:54,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 365. [2025-03-17 15:32:54,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 365 states, 312 states have (on average 1.435897435897436) internal successors, (448), 349 states have internal predecessors, (448), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2025-03-17 15:32:54,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 474 transitions. [2025-03-17 15:32:54,114 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 474 transitions. Word has length 46 [2025-03-17 15:32:54,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:32:54,114 INFO L471 AbstractCegarLoop]: Abstraction has 365 states and 474 transitions. [2025-03-17 15:32:54,114 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-17 15:32:54,115 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 474 transitions. [2025-03-17 15:32:54,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2025-03-17 15:32:54,115 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:32:54,115 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:32:54,115 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2025-03-17 15:32:54,115 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-03-17 15:32:54,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:32:54,115 INFO L85 PathProgramCache]: Analyzing trace with hash 789751340, now seen corresponding path program 1 times [2025-03-17 15:32:54,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:32:54,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228562218] [2025-03-17 15:32:54,115 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:32:54,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:32:54,118 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-03-17 15:32:54,122 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-03-17 15:32:54,122 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:32:54,122 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:32:54,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1894509244] [2025-03-17 15:32:54,122 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:32:54,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:32:54,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:32:54,124 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:32:54,126 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2025-03-17 15:32:54,142 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-03-17 15:32:54,152 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-03-17 15:32:54,152 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:32:54,152 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:32:54,153 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-03-17 15:32:54,154 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:32:54,383 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-03-17 15:32:54,383 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:32:54,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:32:54,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228562218] [2025-03-17 15:32:54,647 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:32:54,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1894509244] [2025-03-17 15:32:54,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1894509244] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:32:54,647 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:32:54,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-03-17 15:32:54,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847242742] [2025-03-17 15:32:54,648 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:32:54,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-17 15:32:54,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:32:54,648 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-17 15:32:54,648 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2025-03-17 15:32:54,648 INFO L87 Difference]: Start difference. First operand 365 states and 474 transitions. Second operand has 9 states, 8 states have (on average 4.5) internal successors, (36), 8 states have internal predecessors, (36), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-17 15:32:54,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:32:54,946 INFO L93 Difference]: Finished difference Result 367 states and 475 transitions. [2025-03-17 15:32:54,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-17 15:32:54,946 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.5) internal successors, (36), 8 states have internal predecessors, (36), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 47 [2025-03-17 15:32:54,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:32:54,947 INFO L225 Difference]: With dead ends: 367 [2025-03-17 15:32:54,947 INFO L226 Difference]: Without dead ends: 354 [2025-03-17 15:32:54,947 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2025-03-17 15:32:54,947 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 240 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 420 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 420 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:32:54,947 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [242 Valid, 251 Invalid, 428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 420 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:32:54,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2025-03-17 15:32:54,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 354. [2025-03-17 15:32:54,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 301 states have (on average 1.4485049833887043) internal successors, (436), 338 states have internal predecessors, (436), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2025-03-17 15:32:54,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 462 transitions. [2025-03-17 15:32:54,956 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 462 transitions. Word has length 47 [2025-03-17 15:32:54,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:32:54,956 INFO L471 AbstractCegarLoop]: Abstraction has 354 states and 462 transitions. [2025-03-17 15:32:54,957 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.5) internal successors, (36), 8 states have internal predecessors, (36), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-17 15:32:54,957 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 462 transitions. [2025-03-17 15:32:54,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2025-03-17 15:32:54,957 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:32:54,957 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:32:54,963 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2025-03-17 15:32:55,161 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:32:55,161 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-03-17 15:32:55,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:32:55,161 INFO L85 PathProgramCache]: Analyzing trace with hash 1130715667, now seen corresponding path program 1 times [2025-03-17 15:32:55,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:32:55,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000264033] [2025-03-17 15:32:55,161 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:32:55,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:32:55,164 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-03-17 15:32:55,175 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-03-17 15:32:55,175 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:32:55,175 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:32:55,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1789898995] [2025-03-17 15:32:55,176 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:32:55,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:32:55,176 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:32:55,181 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:32:55,182 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2025-03-17 15:32:55,202 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-03-17 15:32:55,215 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-03-17 15:32:55,215 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:32:55,215 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:32:55,216 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-03-17 15:32:55,216 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:32:55,373 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-03-17 15:32:55,373 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:32:55,713 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-03-17 15:32:55,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:32:55,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000264033] [2025-03-17 15:32:55,714 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:32:55,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1789898995] [2025-03-17 15:32:55,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1789898995] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:32:55,714 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 15:32:55,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 16 [2025-03-17 15:32:55,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198291717] [2025-03-17 15:32:55,714 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 15:32:55,714 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-03-17 15:32:55,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:32:55,714 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-03-17 15:32:55,714 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=217, Unknown=0, NotChecked=0, Total=272 [2025-03-17 15:32:55,715 INFO L87 Difference]: Start difference. First operand 354 states and 462 transitions. Second operand has 17 states, 16 states have (on average 3.3125) internal successors, (53), 15 states have internal predecessors, (53), 5 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 6 states have call predecessors, (8), 5 states have call successors, (8) [2025-03-17 15:32:56,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:32:56,742 INFO L93 Difference]: Finished difference Result 657 states and 871 transitions. [2025-03-17 15:32:56,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-17 15:32:56,742 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 3.3125) internal successors, (53), 15 states have internal predecessors, (53), 5 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 6 states have call predecessors, (8), 5 states have call successors, (8) Word has length 48 [2025-03-17 15:32:56,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:32:56,743 INFO L225 Difference]: With dead ends: 657 [2025-03-17 15:32:56,743 INFO L226 Difference]: Without dead ends: 368 [2025-03-17 15:32:56,744 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 78 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=191, Invalid=565, Unknown=0, NotChecked=0, Total=756 [2025-03-17 15:32:56,744 INFO L435 NwaCegarLoop]: 48 mSDtfsCounter, 613 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 923 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 615 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 981 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 923 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-03-17 15:32:56,744 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [615 Valid, 327 Invalid, 981 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 923 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-03-17 15:32:56,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2025-03-17 15:32:56,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 339. [2025-03-17 15:32:56,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 339 states, 286 states have (on average 1.4475524475524475) internal successors, (414), 323 states have internal predecessors, (414), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2025-03-17 15:32:56,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 440 transitions. [2025-03-17 15:32:56,758 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 440 transitions. Word has length 48 [2025-03-17 15:32:56,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:32:56,758 INFO L471 AbstractCegarLoop]: Abstraction has 339 states and 440 transitions. [2025-03-17 15:32:56,758 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 3.3125) internal successors, (53), 15 states have internal predecessors, (53), 5 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 6 states have call predecessors, (8), 5 states have call successors, (8) [2025-03-17 15:32:56,758 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 440 transitions. [2025-03-17 15:32:56,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2025-03-17 15:32:56,759 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:32:56,759 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:32:56,769 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2025-03-17 15:32:56,962 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2025-03-17 15:32:56,963 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-03-17 15:32:56,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:32:56,963 INFO L85 PathProgramCache]: Analyzing trace with hash -28233713, now seen corresponding path program 1 times [2025-03-17 15:32:56,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:32:56,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448296107] [2025-03-17 15:32:56,963 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:32:56,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:32:56,966 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-03-17 15:32:56,975 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-03-17 15:32:56,977 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:32:56,977 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:32:56,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1523353903] [2025-03-17 15:32:56,978 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:32:56,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:32:56,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:32:56,980 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:32:56,981 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2025-03-17 15:32:56,998 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-03-17 15:32:57,008 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-03-17 15:32:57,008 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:32:57,008 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:32:57,008 INFO L256 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-03-17 15:32:57,010 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:32:57,192 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-03-17 15:32:57,193 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:32:57,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:32:57,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448296107] [2025-03-17 15:32:57,561 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:32:57,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1523353903] [2025-03-17 15:32:57,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1523353903] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:32:57,561 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:32:57,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2025-03-17 15:32:57,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358653917] [2025-03-17 15:32:57,562 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:32:57,563 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-17 15:32:57,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:32:57,563 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-17 15:32:57,564 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2025-03-17 15:32:57,564 INFO L87 Difference]: Start difference. First operand 339 states and 440 transitions. Second operand has 11 states, 10 states have (on average 4.1) internal successors, (41), 10 states have internal predecessors, (41), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-03-17 15:32:57,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:32:57,851 INFO L93 Difference]: Finished difference Result 346 states and 447 transitions. [2025-03-17 15:32:57,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-17 15:32:57,852 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 4.1) internal successors, (41), 10 states have internal predecessors, (41), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 52 [2025-03-17 15:32:57,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:32:57,852 INFO L225 Difference]: With dead ends: 346 [2025-03-17 15:32:57,852 INFO L226 Difference]: Without dead ends: 345 [2025-03-17 15:32:57,853 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=122, Invalid=298, Unknown=0, NotChecked=0, Total=420 [2025-03-17 15:32:57,853 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 252 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 365 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:32:57,853 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [254 Valid, 228 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 365 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:32:57,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2025-03-17 15:32:57,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 344. [2025-03-17 15:32:57,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 344 states, 291 states have (on average 1.4398625429553265) internal successors, (419), 328 states have internal predecessors, (419), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2025-03-17 15:32:57,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 445 transitions. [2025-03-17 15:32:57,863 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 445 transitions. Word has length 52 [2025-03-17 15:32:57,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:32:57,863 INFO L471 AbstractCegarLoop]: Abstraction has 344 states and 445 transitions. [2025-03-17 15:32:57,863 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 4.1) internal successors, (41), 10 states have internal predecessors, (41), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-03-17 15:32:57,864 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 445 transitions. [2025-03-17 15:32:57,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2025-03-17 15:32:57,864 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:32:57,864 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:32:57,870 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2025-03-17 15:32:58,068 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:32:58,068 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-03-17 15:32:58,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:32:58,069 INFO L85 PathProgramCache]: Analyzing trace with hash -875245049, now seen corresponding path program 1 times [2025-03-17 15:32:58,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:32:58,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023475749] [2025-03-17 15:32:58,069 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:32:58,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:32:58,071 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-03-17 15:32:58,081 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-03-17 15:32:58,081 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:32:58,081 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:32:58,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [969365809] [2025-03-17 15:32:58,081 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:32:58,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:32:58,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:32:58,084 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:32:58,087 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2025-03-17 15:32:58,105 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-03-17 15:32:58,116 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-03-17 15:32:58,116 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:32:58,116 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:32:58,117 INFO L256 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 25 conjuncts are in the unsatisfiable core [2025-03-17 15:32:58,118 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:32:58,554 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-03-17 15:32:58,554 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:32:59,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:32:59,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023475749] [2025-03-17 15:32:59,086 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:32:59,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [969365809] [2025-03-17 15:32:59,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [969365809] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:32:59,086 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:32:59,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2025-03-17 15:32:59,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079559671] [2025-03-17 15:32:59,086 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:32:59,086 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-17 15:32:59,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:32:59,086 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-17 15:32:59,086 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2025-03-17 15:32:59,086 INFO L87 Difference]: Start difference. First operand 344 states and 445 transitions. Second operand has 13 states, 12 states have (on average 3.5) internal successors, (42), 12 states have internal predecessors, (42), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-17 15:32:59,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:32:59,506 INFO L93 Difference]: Finished difference Result 346 states and 446 transitions. [2025-03-17 15:32:59,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-17 15:32:59,506 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 3.5) internal successors, (42), 12 states have internal predecessors, (42), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 53 [2025-03-17 15:32:59,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:32:59,507 INFO L225 Difference]: With dead ends: 346 [2025-03-17 15:32:59,507 INFO L226 Difference]: Without dead ends: 325 [2025-03-17 15:32:59,508 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=218, Invalid=538, Unknown=0, NotChecked=0, Total=756 [2025-03-17 15:32:59,508 INFO L435 NwaCegarLoop]: 68 mSDtfsCounter, 125 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 579 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 582 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 579 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:32:59,508 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 264 Invalid, 582 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 579 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 15:32:59,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2025-03-17 15:32:59,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 325. [2025-03-17 15:32:59,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 272 states have (on average 1.4669117647058822) internal successors, (399), 309 states have internal predecessors, (399), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2025-03-17 15:32:59,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 425 transitions. [2025-03-17 15:32:59,518 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 425 transitions. Word has length 53 [2025-03-17 15:32:59,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:32:59,518 INFO L471 AbstractCegarLoop]: Abstraction has 325 states and 425 transitions. [2025-03-17 15:32:59,518 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 3.5) internal successors, (42), 12 states have internal predecessors, (42), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-17 15:32:59,518 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 425 transitions. [2025-03-17 15:32:59,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2025-03-17 15:32:59,519 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:32:59,519 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:32:59,525 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2025-03-17 15:32:59,719 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:32:59,719 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-03-17 15:32:59,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:32:59,720 INFO L85 PathProgramCache]: Analyzing trace with hash -1416405382, now seen corresponding path program 1 times [2025-03-17 15:32:59,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:32:59,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358737395] [2025-03-17 15:32:59,720 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:32:59,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:32:59,722 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes. [2025-03-17 15:32:59,729 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements. [2025-03-17 15:32:59,729 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:32:59,729 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:33:00,003 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 14 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-03-17 15:33:00,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:33:00,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358737395] [2025-03-17 15:33:00,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358737395] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:33:00,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [532282492] [2025-03-17 15:33:00,003 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:33:00,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:33:00,003 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:33:00,006 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:33:00,007 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2025-03-17 15:33:00,026 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes. [2025-03-17 15:33:00,038 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements. [2025-03-17 15:33:00,038 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:33:00,038 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:33:00,038 INFO L256 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-03-17 15:33:00,039 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:33:00,130 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-03-17 15:33:00,130 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:33:00,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [532282492] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:33:00,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:33:00,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 12 [2025-03-17 15:33:00,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800643432] [2025-03-17 15:33:00,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:33:00,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-17 15:33:00,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:33:00,131 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-17 15:33:00,131 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2025-03-17 15:33:00,131 INFO L87 Difference]: Start difference. First operand 325 states and 425 transitions. Second operand has 9 states, 8 states have (on average 5.375) internal successors, (43), 7 states have internal predecessors, (43), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 4 states have call successors, (5) [2025-03-17 15:33:00,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:33:00,262 INFO L93 Difference]: Finished difference Result 353 states and 445 transitions. [2025-03-17 15:33:00,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-17 15:33:00,262 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.375) internal successors, (43), 7 states have internal predecessors, (43), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 4 states have call successors, (5) Word has length 59 [2025-03-17 15:33:00,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:33:00,263 INFO L225 Difference]: With dead ends: 353 [2025-03-17 15:33:00,263 INFO L226 Difference]: Without dead ends: 79 [2025-03-17 15:33:00,263 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 56 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2025-03-17 15:33:00,264 INFO L435 NwaCegarLoop]: 43 mSDtfsCounter, 124 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:33:00,264 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 170 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:33:00,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2025-03-17 15:33:00,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2025-03-17 15:33:00,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 61 states have (on average 1.180327868852459) internal successors, (72), 71 states have internal predecessors, (72), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-03-17 15:33:00,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 82 transitions. [2025-03-17 15:33:00,270 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 82 transitions. Word has length 59 [2025-03-17 15:33:00,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:33:00,271 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 82 transitions. [2025-03-17 15:33:00,271 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.375) internal successors, (43), 7 states have internal predecessors, (43), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 4 states have call successors, (5) [2025-03-17 15:33:00,271 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 82 transitions. [2025-03-17 15:33:00,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2025-03-17 15:33:00,271 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:33:00,271 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:33:00,277 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2025-03-17 15:33:00,471 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:33:00,472 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-03-17 15:33:00,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:33:00,472 INFO L85 PathProgramCache]: Analyzing trace with hash -1414335901, now seen corresponding path program 1 times [2025-03-17 15:33:00,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:33:00,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322044918] [2025-03-17 15:33:00,472 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:33:00,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:33:00,475 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes. [2025-03-17 15:33:00,484 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements. [2025-03-17 15:33:00,484 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:33:00,484 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:33:00,735 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-03-17 15:33:00,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:33:00,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322044918] [2025-03-17 15:33:00,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1322044918] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:33:00,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [81350622] [2025-03-17 15:33:00,735 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:33:00,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:33:00,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:33:00,737 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:33:00,739 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2025-03-17 15:33:00,756 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes. [2025-03-17 15:33:00,768 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements. [2025-03-17 15:33:00,768 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:33:00,768 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:33:00,769 INFO L256 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-03-17 15:33:00,770 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:33:00,886 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-03-17 15:33:00,886 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:33:01,388 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-03-17 15:33:01,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [81350622] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:33:01,388 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:33:01,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 18 [2025-03-17 15:33:01,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693580617] [2025-03-17 15:33:01,388 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:33:01,388 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-03-17 15:33:01,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:33:01,389 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-03-17 15:33:01,389 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2025-03-17 15:33:01,389 INFO L87 Difference]: Start difference. First operand 79 states and 82 transitions. Second operand has 18 states, 18 states have (on average 5.611111111111111) internal successors, (101), 18 states have internal predecessors, (101), 9 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (12), 8 states have call predecessors, (12), 9 states have call successors, (12) [2025-03-17 15:33:01,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:33:01,604 INFO L93 Difference]: Finished difference Result 87 states and 89 transitions. [2025-03-17 15:33:01,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-17 15:33:01,604 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 5.611111111111111) internal successors, (101), 18 states have internal predecessors, (101), 9 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (12), 8 states have call predecessors, (12), 9 states have call successors, (12) Word has length 59 [2025-03-17 15:33:01,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:33:01,605 INFO L225 Difference]: With dead ends: 87 [2025-03-17 15:33:01,605 INFO L226 Difference]: Without dead ends: 71 [2025-03-17 15:33:01,605 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 109 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=131, Invalid=375, Unknown=0, NotChecked=0, Total=506 [2025-03-17 15:33:01,605 INFO L435 NwaCegarLoop]: 20 mSDtfsCounter, 88 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 328 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 328 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:33:01,605 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 136 Invalid, 332 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 328 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:33:01,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2025-03-17 15:33:01,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2025-03-17 15:33:01,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 55 states have (on average 1.1454545454545455) internal successors, (63), 63 states have internal predecessors, (63), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-03-17 15:33:01,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 73 transitions. [2025-03-17 15:33:01,609 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 73 transitions. Word has length 59 [2025-03-17 15:33:01,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:33:01,609 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 73 transitions. [2025-03-17 15:33:01,609 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 5.611111111111111) internal successors, (101), 18 states have internal predecessors, (101), 9 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (12), 8 states have call predecessors, (12), 9 states have call successors, (12) [2025-03-17 15:33:01,609 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 73 transitions. [2025-03-17 15:33:01,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2025-03-17 15:33:01,610 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:33:01,610 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:33:01,615 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2025-03-17 15:33:01,810 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:33:01,810 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-03-17 15:33:01,811 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:33:01,811 INFO L85 PathProgramCache]: Analyzing trace with hash -1915602568, now seen corresponding path program 1 times [2025-03-17 15:33:01,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:33:01,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323238947] [2025-03-17 15:33:01,811 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:33:01,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:33:01,814 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 61 statements into 1 equivalence classes. [2025-03-17 15:33:01,818 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 61 of 61 statements. [2025-03-17 15:33:01,818 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:33:01,818 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:33:01,936 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-03-17 15:33:01,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:33:01,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323238947] [2025-03-17 15:33:01,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323238947] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:33:01,936 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:33:01,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-17 15:33:01,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752195991] [2025-03-17 15:33:01,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:33:01,937 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-17 15:33:01,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:33:01,937 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-17 15:33:01,937 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2025-03-17 15:33:01,937 INFO L87 Difference]: Start difference. First operand 71 states and 73 transitions. Second operand has 10 states, 9 states have (on average 4.666666666666667) internal successors, (42), 10 states have internal predecessors, (42), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2025-03-17 15:33:02,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:33:02,072 INFO L93 Difference]: Finished difference Result 71 states and 73 transitions. [2025-03-17 15:33:02,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-17 15:33:02,072 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 4.666666666666667) internal successors, (42), 10 states have internal predecessors, (42), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 61 [2025-03-17 15:33:02,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:33:02,072 INFO L225 Difference]: With dead ends: 71 [2025-03-17 15:33:02,072 INFO L226 Difference]: Without dead ends: 69 [2025-03-17 15:33:02,073 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2025-03-17 15:33:02,073 INFO L435 NwaCegarLoop]: 20 mSDtfsCounter, 102 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:33:02,073 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 89 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:33:02,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2025-03-17 15:33:02,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2025-03-17 15:33:02,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 55 states have (on average 1.1090909090909091) internal successors, (61), 61 states have internal predecessors, (61), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-03-17 15:33:02,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 71 transitions. [2025-03-17 15:33:02,077 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 71 transitions. Word has length 61 [2025-03-17 15:33:02,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:33:02,077 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 71 transitions. [2025-03-17 15:33:02,077 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 4.666666666666667) internal successors, (42), 10 states have internal predecessors, (42), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2025-03-17 15:33:02,077 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 71 transitions. [2025-03-17 15:33:02,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2025-03-17 15:33:02,078 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:33:02,078 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:33:02,078 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2025-03-17 15:33:02,078 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-03-17 15:33:02,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:33:02,078 INFO L85 PathProgramCache]: Analyzing trace with hash 745862565, now seen corresponding path program 1 times [2025-03-17 15:33:02,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:33:02,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999251394] [2025-03-17 15:33:02,078 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:33:02,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:33:02,081 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-03-17 15:33:02,085 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-03-17 15:33:02,085 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:33:02,085 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:33:02,227 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-03-17 15:33:02,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:33:02,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999251394] [2025-03-17 15:33:02,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [999251394] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:33:02,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:33:02,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-17 15:33:02,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685678519] [2025-03-17 15:33:02,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:33:02,228 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-17 15:33:02,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:33:02,228 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-17 15:33:02,229 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2025-03-17 15:33:02,229 INFO L87 Difference]: Start difference. First operand 69 states and 71 transitions. Second operand has 10 states, 9 states have (on average 4.777777777777778) internal successors, (43), 10 states have internal predecessors, (43), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2025-03-17 15:33:02,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:33:02,401 INFO L93 Difference]: Finished difference Result 69 states and 71 transitions. [2025-03-17 15:33:02,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-17 15:33:02,401 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 4.777777777777778) internal successors, (43), 10 states have internal predecessors, (43), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 62 [2025-03-17 15:33:02,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:33:02,402 INFO L225 Difference]: With dead ends: 69 [2025-03-17 15:33:02,402 INFO L226 Difference]: Without dead ends: 67 [2025-03-17 15:33:02,402 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2025-03-17 15:33:02,402 INFO L435 NwaCegarLoop]: 20 mSDtfsCounter, 110 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 208 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:33:02,402 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 108 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 208 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:33:02,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2025-03-17 15:33:02,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2025-03-17 15:33:02,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 55 states have (on average 1.0727272727272728) internal successors, (59), 59 states have internal predecessors, (59), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-03-17 15:33:02,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 69 transitions. [2025-03-17 15:33:02,406 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 69 transitions. Word has length 62 [2025-03-17 15:33:02,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:33:02,406 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 69 transitions. [2025-03-17 15:33:02,406 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 4.777777777777778) internal successors, (43), 10 states have internal predecessors, (43), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2025-03-17 15:33:02,407 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 69 transitions. [2025-03-17 15:33:02,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2025-03-17 15:33:02,407 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:33:02,407 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:33:02,407 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2025-03-17 15:33:02,407 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-03-17 15:33:02,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:33:02,407 INFO L85 PathProgramCache]: Analyzing trace with hash 2125878452, now seen corresponding path program 1 times [2025-03-17 15:33:02,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:33:02,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315593936] [2025-03-17 15:33:02,408 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:33:02,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:33:02,410 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes. [2025-03-17 15:33:02,419 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements. [2025-03-17 15:33:02,419 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:33:02,419 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:33:02,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2010569570] [2025-03-17 15:33:02,420 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:33:02,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:33:02,420 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:33:02,422 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:33:02,423 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2025-03-17 15:33:02,441 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes. [2025-03-17 15:33:02,453 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements. [2025-03-17 15:33:02,454 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:33:02,454 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:33:02,454 INFO L256 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 29 conjuncts are in the unsatisfiable core [2025-03-17 15:33:02,455 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:33:02,714 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-03-17 15:33:02,714 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:33:14,730 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-03-17 15:33:14,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:33:14,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315593936] [2025-03-17 15:33:14,731 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:33:14,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2010569570] [2025-03-17 15:33:14,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2010569570] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:33:14,731 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 15:33:14,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 22 [2025-03-17 15:33:14,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708395558] [2025-03-17 15:33:14,731 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 15:33:14,731 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2025-03-17 15:33:14,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:33:14,732 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2025-03-17 15:33:14,732 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=399, Unknown=2, NotChecked=0, Total=506 [2025-03-17 15:33:14,732 INFO L87 Difference]: Start difference. First operand 67 states and 69 transitions. Second operand has 23 states, 22 states have (on average 4.090909090909091) internal successors, (90), 21 states have internal predecessors, (90), 7 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (10), 8 states have call predecessors, (10), 7 states have call successors, (10) [2025-03-17 15:33:15,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:33:15,044 INFO L93 Difference]: Finished difference Result 67 states and 69 transitions. [2025-03-17 15:33:15,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-17 15:33:15,045 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 4.090909090909091) internal successors, (90), 21 states have internal predecessors, (90), 7 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (10), 8 states have call predecessors, (10), 7 states have call successors, (10) Word has length 65 [2025-03-17 15:33:15,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:33:15,045 INFO L225 Difference]: With dead ends: 67 [2025-03-17 15:33:15,045 INFO L226 Difference]: Without dead ends: 66 [2025-03-17 15:33:15,047 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 11.2s TimeCoverageRelationStatistics Valid=226, Invalid=702, Unknown=2, NotChecked=0, Total=930 [2025-03-17 15:33:15,047 INFO L435 NwaCegarLoop]: 14 mSDtfsCounter, 127 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 439 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:33:15,047 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 142 Invalid, 446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 439 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:33:15,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2025-03-17 15:33:15,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2025-03-17 15:33:15,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 55 states have (on average 1.0545454545454545) internal successors, (58), 58 states have internal predecessors, (58), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-03-17 15:33:15,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 68 transitions. [2025-03-17 15:33:15,051 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 68 transitions. Word has length 65 [2025-03-17 15:33:15,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:33:15,051 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 68 transitions. [2025-03-17 15:33:15,051 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 4.090909090909091) internal successors, (90), 21 states have internal predecessors, (90), 7 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (10), 8 states have call predecessors, (10), 7 states have call successors, (10) [2025-03-17 15:33:15,051 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 68 transitions. [2025-03-17 15:33:15,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2025-03-17 15:33:15,051 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:33:15,051 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:33:15,057 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2025-03-17 15:33:15,252 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2025-03-17 15:33:15,252 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-03-17 15:33:15,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:33:15,252 INFO L85 PathProgramCache]: Analyzing trace with hash 1477722593, now seen corresponding path program 1 times [2025-03-17 15:33:15,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:33:15,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752053158] [2025-03-17 15:33:15,252 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:33:15,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:33:15,255 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 66 statements into 1 equivalence classes. [2025-03-17 15:33:15,267 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 66 of 66 statements. [2025-03-17 15:33:15,267 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:33:15,267 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:33:15,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1274702310] [2025-03-17 15:33:15,268 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:33:15,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:33:15,268 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:33:15,269 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:33:15,271 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2025-03-17 15:33:15,289 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 66 statements into 1 equivalence classes. [2025-03-17 15:33:15,302 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 66 of 66 statements. [2025-03-17 15:33:15,302 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:33:15,302 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:33:15,303 INFO L256 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 34 conjuncts are in the unsatisfiable core [2025-03-17 15:33:15,304 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:33:15,630 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-03-17 15:33:15,630 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:33:31,858 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-03-17 15:33:31,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:33:31,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752053158] [2025-03-17 15:33:31,858 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:33:31,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1274702310] [2025-03-17 15:33:31,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1274702310] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:33:31,858 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 15:33:31,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2025-03-17 15:33:31,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438355314] [2025-03-17 15:33:31,859 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 15:33:31,859 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2025-03-17 15:33:31,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:33:31,859 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2025-03-17 15:33:31,859 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=483, Unknown=3, NotChecked=0, Total=600 [2025-03-17 15:33:31,859 INFO L87 Difference]: Start difference. First operand 66 states and 68 transitions. Second operand has 25 states, 22 states have (on average 4.045454545454546) internal successors, (89), 21 states have internal predecessors, (89), 9 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (10), 10 states have call predecessors, (10), 9 states have call successors, (10) [2025-03-17 15:33:32,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:33:32,226 INFO L93 Difference]: Finished difference Result 66 states and 68 transitions. [2025-03-17 15:33:32,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-17 15:33:32,226 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 22 states have (on average 4.045454545454546) internal successors, (89), 21 states have internal predecessors, (89), 9 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (10), 10 states have call predecessors, (10), 9 states have call successors, (10) Word has length 66 [2025-03-17 15:33:32,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:33:32,226 INFO L225 Difference]: With dead ends: 66 [2025-03-17 15:33:32,226 INFO L226 Difference]: Without dead ends: 65 [2025-03-17 15:33:32,227 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 175 ImplicationChecksByTransitivity, 14.8s TimeCoverageRelationStatistics Valid=247, Invalid=806, Unknown=3, NotChecked=0, Total=1056 [2025-03-17 15:33:32,227 INFO L435 NwaCegarLoop]: 14 mSDtfsCounter, 182 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 473 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:33:32,227 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 129 Invalid, 482 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 473 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:33:32,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2025-03-17 15:33:32,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2025-03-17 15:33:32,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 55 states have (on average 1.0363636363636364) internal successors, (57), 57 states have internal predecessors, (57), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-03-17 15:33:32,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 67 transitions. [2025-03-17 15:33:32,231 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 67 transitions. Word has length 66 [2025-03-17 15:33:32,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:33:32,231 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 67 transitions. [2025-03-17 15:33:32,231 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 22 states have (on average 4.045454545454546) internal successors, (89), 21 states have internal predecessors, (89), 9 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (10), 10 states have call predecessors, (10), 9 states have call successors, (10) [2025-03-17 15:33:32,231 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 67 transitions. [2025-03-17 15:33:32,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2025-03-17 15:33:32,231 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:33:32,231 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:33:32,237 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2025-03-17 15:33:32,432 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2025-03-17 15:33:32,432 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-03-17 15:33:32,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:33:32,432 INFO L85 PathProgramCache]: Analyzing trace with hash -1542762497, now seen corresponding path program 1 times [2025-03-17 15:33:32,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:33:32,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800098101] [2025-03-17 15:33:32,432 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:33:32,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:33:32,435 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-03-17 15:33:32,442 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-03-17 15:33:32,442 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:33:32,442 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:33:32,481 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2025-03-17 15:33:32,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:33:32,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800098101] [2025-03-17 15:33:32,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [800098101] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:33:32,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:33:32,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:33:32,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776867338] [2025-03-17 15:33:32,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:33:32,483 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:33:32,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:33:32,483 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:33:32,483 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:33:32,483 INFO L87 Difference]: Start difference. First operand 65 states and 67 transitions. Second operand has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-17 15:33:32,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:33:32,560 INFO L93 Difference]: Finished difference Result 65 states and 67 transitions. [2025-03-17 15:33:32,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:33:32,561 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 68 [2025-03-17 15:33:32,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:33:32,562 INFO L225 Difference]: With dead ends: 65 [2025-03-17 15:33:32,562 INFO L226 Difference]: Without dead ends: 64 [2025-03-17 15:33:32,562 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:33:32,562 INFO L435 NwaCegarLoop]: 46 mSDtfsCounter, 0 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:33:32,562 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 66 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:33:32,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2025-03-17 15:33:32,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2025-03-17 15:33:32,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 55 states have (on average 1.018181818181818) internal successors, (56), 56 states have internal predecessors, (56), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-03-17 15:33:32,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 66 transitions. [2025-03-17 15:33:32,569 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 66 transitions. Word has length 68 [2025-03-17 15:33:32,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:33:32,569 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 66 transitions. [2025-03-17 15:33:32,569 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-17 15:33:32,569 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 66 transitions. [2025-03-17 15:33:32,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2025-03-17 15:33:32,570 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:33:32,570 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:33:32,570 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2025-03-17 15:33:32,570 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-03-17 15:33:32,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:33:32,570 INFO L85 PathProgramCache]: Analyzing trace with hash -1334522083, now seen corresponding path program 1 times [2025-03-17 15:33:32,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:33:32,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144121510] [2025-03-17 15:33:32,570 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:33:32,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:33:32,573 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 73 statements into 1 equivalence classes. [2025-03-17 15:33:32,588 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 73 of 73 statements. [2025-03-17 15:33:32,588 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:33:32,588 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:33:32,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1696821603] [2025-03-17 15:33:32,589 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:33:32,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:33:32,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:33:32,591 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:33:32,592 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2025-03-17 15:33:32,614 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 73 statements into 1 equivalence classes. [2025-03-17 15:33:32,628 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 73 of 73 statements. [2025-03-17 15:33:32,628 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:33:32,628 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:33:32,629 INFO L256 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 33 conjuncts are in the unsatisfiable core [2025-03-17 15:33:32,630 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:33:32,986 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-03-17 15:33:32,986 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:33:43,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:33:43,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144121510] [2025-03-17 15:33:43,810 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:33:43,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1696821603] [2025-03-17 15:33:43,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1696821603] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:33:43,810 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:33:43,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2025-03-17 15:33:43,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864912717] [2025-03-17 15:33:43,810 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:33:43,810 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-17 15:33:43,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:33:43,811 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-17 15:33:43,811 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=403, Unknown=2, NotChecked=0, Total=506 [2025-03-17 15:33:43,811 INFO L87 Difference]: Start difference. First operand 64 states and 66 transitions. Second operand has 14 states, 13 states have (on average 4.384615384615385) internal successors, (57), 13 states have internal predecessors, (57), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2025-03-17 15:33:44,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:33:44,056 INFO L93 Difference]: Finished difference Result 64 states and 66 transitions. [2025-03-17 15:33:44,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-17 15:33:44,056 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 4.384615384615385) internal successors, (57), 13 states have internal predecessors, (57), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 73 [2025-03-17 15:33:44,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:33:44,057 INFO L225 Difference]: With dead ends: 64 [2025-03-17 15:33:44,057 INFO L226 Difference]: Without dead ends: 63 [2025-03-17 15:33:44,057 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 107 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 10.2s TimeCoverageRelationStatistics Valid=215, Invalid=713, Unknown=2, NotChecked=0, Total=930 [2025-03-17 15:33:44,057 INFO L435 NwaCegarLoop]: 14 mSDtfsCounter, 95 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 414 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 414 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:33:44,057 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 98 Invalid, 418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 414 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:33:44,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2025-03-17 15:33:44,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2025-03-17 15:33:44,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 55 states have (on average 1.0) internal successors, (55), 55 states have internal predecessors, (55), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-03-17 15:33:44,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 65 transitions. [2025-03-17 15:33:44,061 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 65 transitions. Word has length 73 [2025-03-17 15:33:44,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:33:44,062 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 65 transitions. [2025-03-17 15:33:44,062 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 4.384615384615385) internal successors, (57), 13 states have internal predecessors, (57), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2025-03-17 15:33:44,062 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 65 transitions. [2025-03-17 15:33:44,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2025-03-17 15:33:44,062 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:33:44,062 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:33:44,068 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2025-03-17 15:33:44,262 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2025-03-17 15:33:44,262 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-03-17 15:33:44,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:33:44,263 INFO L85 PathProgramCache]: Analyzing trace with hash 1579488441, now seen corresponding path program 1 times [2025-03-17 15:33:44,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:33:44,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533930122] [2025-03-17 15:33:44,263 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:33:44,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:33:44,266 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-03-17 15:33:44,274 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-03-17 15:33:44,274 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:33:44,274 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:33:44,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1775350041] [2025-03-17 15:33:44,274 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:33:44,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:33:44,274 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:33:44,277 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:33:44,278 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2025-03-17 15:33:44,298 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-03-17 15:33:44,311 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-03-17 15:33:44,312 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:33:44,312 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:33:44,312 INFO L256 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 38 conjuncts are in the unsatisfiable core [2025-03-17 15:33:44,314 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:33:44,721 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-03-17 15:33:44,722 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:33:46,207 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2025-03-17 15:33:46,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:33:46,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533930122] [2025-03-17 15:33:46,207 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:33:46,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1775350041] [2025-03-17 15:33:46,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1775350041] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:33:46,207 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 15:33:46,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13] total 25 [2025-03-17 15:33:46,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280787063] [2025-03-17 15:33:46,207 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 15:33:46,207 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2025-03-17 15:33:46,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:33:46,208 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2025-03-17 15:33:46,208 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=528, Unknown=0, NotChecked=0, Total=650 [2025-03-17 15:33:46,208 INFO L87 Difference]: Start difference. First operand 63 states and 65 transitions. Second operand has 26 states, 23 states have (on average 4.3478260869565215) internal successors, (100), 22 states have internal predecessors, (100), 9 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (10), 10 states have call predecessors, (10), 9 states have call successors, (10) [2025-03-17 15:33:46,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:33:46,510 INFO L93 Difference]: Finished difference Result 63 states and 65 transitions. [2025-03-17 15:33:46,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-17 15:33:46,510 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 23 states have (on average 4.3478260869565215) internal successors, (100), 22 states have internal predecessors, (100), 9 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (10), 10 states have call predecessors, (10), 9 states have call successors, (10) Word has length 74 [2025-03-17 15:33:46,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:33:46,511 INFO L225 Difference]: With dead ends: 63 [2025-03-17 15:33:46,511 INFO L226 Difference]: Without dead ends: 0 [2025-03-17 15:33:46,511 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 121 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=272, Invalid=918, Unknown=0, NotChecked=0, Total=1190 [2025-03-17 15:33:46,512 INFO L435 NwaCegarLoop]: 14 mSDtfsCounter, 138 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 414 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 414 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:33:46,512 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 121 Invalid, 423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 414 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:33:46,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-03-17 15:33:46,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-03-17 15:33:46,512 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 15:33:46,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-03-17 15:33:46,512 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 74 [2025-03-17 15:33:46,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:33:46,512 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-17 15:33:46,512 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 23 states have (on average 4.3478260869565215) internal successors, (100), 22 states have internal predecessors, (100), 9 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (10), 10 states have call predecessors, (10), 9 states have call successors, (10) [2025-03-17 15:33:46,512 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-03-17 15:33:46,512 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-03-17 15:33:46,514 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 42 remaining) [2025-03-17 15:33:46,514 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 42 remaining) [2025-03-17 15:33:46,514 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 42 remaining) [2025-03-17 15:33:46,514 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 42 remaining) [2025-03-17 15:33:46,515 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 42 remaining) [2025-03-17 15:33:46,515 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 42 remaining) [2025-03-17 15:33:46,515 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 42 remaining) [2025-03-17 15:33:46,515 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 42 remaining) [2025-03-17 15:33:46,515 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 42 remaining) [2025-03-17 15:33:46,515 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 42 remaining) [2025-03-17 15:33:46,515 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 42 remaining) [2025-03-17 15:33:46,515 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 42 remaining) [2025-03-17 15:33:46,515 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 42 remaining) [2025-03-17 15:33:46,515 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 42 remaining) [2025-03-17 15:33:46,515 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 42 remaining) [2025-03-17 15:33:46,515 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 42 remaining) [2025-03-17 15:33:46,515 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 42 remaining) [2025-03-17 15:33:46,515 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 42 remaining) [2025-03-17 15:33:46,515 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 42 remaining) [2025-03-17 15:33:46,515 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 42 remaining) [2025-03-17 15:33:46,515 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 42 remaining) [2025-03-17 15:33:46,515 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 42 remaining) [2025-03-17 15:33:46,516 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 42 remaining) [2025-03-17 15:33:46,516 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 42 remaining) [2025-03-17 15:33:46,516 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 42 remaining) [2025-03-17 15:33:46,516 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 42 remaining) [2025-03-17 15:33:46,516 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 42 remaining) [2025-03-17 15:33:46,516 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 42 remaining) [2025-03-17 15:33:46,516 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 42 remaining) [2025-03-17 15:33:46,516 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 42 remaining) [2025-03-17 15:33:46,516 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 42 remaining) [2025-03-17 15:33:46,516 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 42 remaining) [2025-03-17 15:33:46,516 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 42 remaining) [2025-03-17 15:33:46,516 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 42 remaining) [2025-03-17 15:33:46,516 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 42 remaining) [2025-03-17 15:33:46,516 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 42 remaining) [2025-03-17 15:33:46,516 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 42 remaining) [2025-03-17 15:33:46,516 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 42 remaining) [2025-03-17 15:33:46,516 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 42 remaining) [2025-03-17 15:33:46,516 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 42 remaining) [2025-03-17 15:33:46,516 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 42 remaining) [2025-03-17 15:33:46,516 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 42 remaining) [2025-03-17 15:33:46,522 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2025-03-17 15:33:46,716 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2025-03-17 15:33:46,719 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:33:46,720 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-03-17 15:33:47,825 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-17 15:33:47,840 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.03 03:33:47 BoogieIcfgContainer [2025-03-17 15:33:47,840 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-17 15:33:47,841 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-17 15:33:47,841 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-17 15:33:47,841 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-17 15:33:47,842 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 03:32:22" (3/4) ... [2025-03-17 15:33:47,844 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-17 15:33:47,848 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2025-03-17 15:33:47,848 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2025-03-17 15:33:47,854 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2025-03-17 15:33:47,855 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-03-17 15:33:47,855 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-17 15:33:47,855 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-17 15:33:47,917 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-17 15:33:47,918 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-17 15:33:47,918 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-17 15:33:47,918 INFO L158 Benchmark]: Toolchain (without parser) took 85898.91ms. Allocated memory was 167.8MB in the beginning and 251.7MB in the end (delta: 83.9MB). Free memory was 134.2MB in the beginning and 154.7MB in the end (delta: -20.5MB). Peak memory consumption was 63.7MB. Max. memory is 16.1GB. [2025-03-17 15:33:47,918 INFO L158 Benchmark]: CDTParser took 0.95ms. Allocated memory is still 201.3MB. Free memory is still 128.8MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 15:33:47,918 INFO L158 Benchmark]: CACSL2BoogieTranslator took 159.74ms. Allocated memory is still 167.8MB. Free memory was 133.8MB in the beginning and 122.6MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-17 15:33:47,919 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.58ms. Allocated memory is still 167.8MB. Free memory was 122.6MB in the beginning and 121.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 15:33:47,919 INFO L158 Benchmark]: Boogie Preprocessor took 24.22ms. Allocated memory is still 167.8MB. Free memory was 121.3MB in the beginning and 120.2MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-17 15:33:47,919 INFO L158 Benchmark]: IcfgBuilder took 360.88ms. Allocated memory is still 167.8MB. Free memory was 120.2MB in the beginning and 99.7MB in the end (delta: 20.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-17 15:33:47,919 INFO L158 Benchmark]: TraceAbstraction took 85240.00ms. Allocated memory was 167.8MB in the beginning and 251.7MB in the end (delta: 83.9MB). Free memory was 99.3MB in the beginning and 162.9MB in the end (delta: -63.7MB). Peak memory consumption was 114.9MB. Max. memory is 16.1GB. [2025-03-17 15:33:47,919 INFO L158 Benchmark]: Witness Printer took 76.92ms. Allocated memory is still 251.7MB. Free memory was 162.9MB in the beginning and 154.7MB in the end (delta: 8.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-17 15:33:47,920 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.95ms. Allocated memory is still 201.3MB. Free memory is still 128.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 159.74ms. Allocated memory is still 167.8MB. Free memory was 133.8MB in the beginning and 122.6MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.58ms. Allocated memory is still 167.8MB. Free memory was 122.6MB in the beginning and 121.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.22ms. Allocated memory is still 167.8MB. Free memory was 121.3MB in the beginning and 120.2MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 360.88ms. Allocated memory is still 167.8MB. Free memory was 120.2MB in the beginning and 99.7MB in the end (delta: 20.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 85240.00ms. Allocated memory was 167.8MB in the beginning and 251.7MB in the end (delta: 83.9MB). Free memory was 99.3MB in the beginning and 162.9MB in the end (delta: -63.7MB). Peak memory consumption was 114.9MB. Max. memory is 16.1GB. * Witness Printer took 76.92ms. Allocated memory is still 251.7MB. Free memory was 162.9MB in the beginning and 154.7MB in the end (delta: 8.2MB). 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: 58]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 58]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 57]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 57]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 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: 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: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 108 locations, 124 edges, 42 error locations. Started 1 CEGAR loops. OverallTime: 84.1s, OverallIterations: 40, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 12.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7108 SdHoareTripleChecker+Valid, 9.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7059 mSDsluCounter, 7032 SdHoareTripleChecker+Invalid, 8.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4714 mSDsCounter, 426 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11932 IncrementalHoareTripleChecker+Invalid, 12358 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 426 mSolverCounterUnsat, 2318 mSDtfsCounter, 11932 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1983 GetRequests, 1493 SyntacticMatches, 6 SemanticMatches, 484 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1425 ImplicationChecksByTransitivity, 54.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=389occurred in iteration=22, InterpolantAutomatonStates: 333, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 40 MinimizatonAttempts, 694 StatesRemovedByMinimization, 28 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 64.5s InterpolantComputationTime, 3007 NumberOfCodeBlocks, 3007 NumberOfCodeBlocksAsserted, 68 NumberOfCheckSat, 2167 ConstructedInterpolants, 15 QuantifiedInterpolants, 21911 SizeOfPredicates, 58 NumberOfNonLiveVariables, 2754 ConjunctsInSsa, 495 ConjunctsInUnsatCore, 48 InterpolantComputations, 23 PerfectInterpolantSequences, 644/878 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 42 specifications checked. All of them hold - InvariantResult [Line: 34]: Location Invariant Derived location invariant: (((((((((((((((0 <= x) && (p == 1)) && (y <= 2)) && (1 <= y)) && (a <= 2)) && (b <= 2)) && (1 <= b)) && (q == 0)) && (0 <= a)) && (x <= 2)) || ((((((((((((a == q) && (0 <= x)) && (p == 1)) && (y <= 2)) && (1 <= y)) && (b <= 1)) && (a <= 2)) && (1 <= ((((__int128) b + 1) >= 0) ? (((__int128) b + 1) % 2) : ((((__int128) b + 1) % 2) + 2)))) && (0 <= ((__int128) b + 1))) && (a != 0)) && (0 <= a)) && (x <= 2))) || ((((((((p == 4) && (0 <= x)) && (y <= 2)) && (1 <= y)) && (b == 0)) && (q == 4)) && (a == 0)) && (x <= 2))) || (((((((((((0 <= b) && (0 <= x)) && (p == 1)) && (y <= 2)) && (1 <= y)) && (b <= 1)) && (a <= 1)) && ((((__int128) a + b) + 1) == q)) && (x <= 2)) && (((((__int128) a + 1) >= 0) ? (((__int128) a + 1) % 2) : ((((__int128) a + 1) % 2) + 2)) != 0)) && (0 <= ((__int128) a + 1)))) || (((((((((((0 <= x) && (p == 1)) && (y <= 2)) && (1 <= y)) && (a <= 1)) && (b <= 2)) && (1 <= b)) && (b == q)) && (0 <= a)) && (x <= 2)) && (1 <= ((((__int128) a + 1) >= 0) ? (((__int128) a + 1) % 2) : ((((__int128) a + 1) % 2) + 2))))) || ((((((((((p == 4) && (b == 1)) && (0 <= x)) && (y <= 2)) && (1 <= y)) && (a <= 1)) && (q == 0)) && (a != 0)) && (0 <= a)) && (x <= 2))) RESULT: Ultimate proved your program to be correct! [2025-03-17 15:33:47,971 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE