./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/xcsp/AllInterval-008.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/xcsp/AllInterval-008.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 8f1a1519dc3ac954bb27ae35f40dd4ee3500f707e2df097fc14441b899353328 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 15:51:15,547 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 15:51:15,602 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-03-17 15:51:15,606 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 15:51:15,608 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 15:51:15,621 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 15:51:15,622 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 15:51:15,622 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 15:51:15,622 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 15:51:15,623 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 15:51:15,623 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 15:51:15,623 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 15:51:15,623 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 15:51:15,624 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 15:51:15,624 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 15:51:15,624 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 15:51:15,624 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 15:51:15,624 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-17 15:51:15,624 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 15:51:15,625 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-17 15:51:15,625 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 15:51:15,625 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 15:51:15,625 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 15:51:15,625 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 15:51:15,625 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-17 15:51:15,625 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-17 15:51:15,625 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-17 15:51:15,625 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 15:51:15,625 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 15:51:15,625 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 15:51:15,626 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 15:51:15,626 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 15:51:15,626 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 15:51:15,626 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 15:51:15,626 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 15:51:15,626 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 15:51:15,626 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 15:51:15,626 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 15:51:15,626 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 15:51:15,626 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 15:51:15,626 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 15:51:15,626 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 15:51:15,626 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 15:51:15,626 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 15:51:15,626 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 15:51:15,626 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 -> 8f1a1519dc3ac954bb27ae35f40dd4ee3500f707e2df097fc14441b899353328 [2025-03-17 15:51:15,851 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 15:51:15,859 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 15:51:15,861 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 15:51:15,862 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 15:51:15,862 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 15:51:15,864 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/xcsp/AllInterval-008.c [2025-03-17 15:51:17,031 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/744ed5e7b/9dfa4cb342d4460f85adc073a6d60bf6/FLAG46c74555f [2025-03-17 15:51:17,248 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 15:51:17,248 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/xcsp/AllInterval-008.c [2025-03-17 15:51:17,256 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/744ed5e7b/9dfa4cb342d4460f85adc073a6d60bf6/FLAG46c74555f [2025-03-17 15:51:17,270 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/744ed5e7b/9dfa4cb342d4460f85adc073a6d60bf6 [2025-03-17 15:51:17,272 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 15:51:17,273 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 15:51:17,274 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 15:51:17,274 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 15:51:17,277 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 15:51:17,278 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 03:51:17" (1/1) ... [2025-03-17 15:51:17,278 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@598af91d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:51:17, skipping insertion in model container [2025-03-17 15:51:17,279 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 03:51:17" (1/1) ... [2025-03-17 15:51:17,293 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 15:51:17,423 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 15:51:17,433 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 15:51:17,469 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 15:51:17,481 INFO L204 MainTranslator]: Completed translation [2025-03-17 15:51:17,481 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:51:17 WrapperNode [2025-03-17 15:51:17,481 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 15:51:17,482 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 15:51:17,483 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 15:51:17,483 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 15:51:17,488 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:51:17" (1/1) ... [2025-03-17 15:51:17,494 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:51:17" (1/1) ... [2025-03-17 15:51:17,519 INFO L138 Inliner]: procedures = 13, calls = 94, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 249 [2025-03-17 15:51:17,519 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 15:51:17,520 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 15:51:17,520 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 15:51:17,520 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 15:51:17,529 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:51:17" (1/1) ... [2025-03-17 15:51:17,529 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:51:17" (1/1) ... [2025-03-17 15:51:17,531 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:51:17" (1/1) ... [2025-03-17 15:51:17,547 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 15:51:17,547 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:51:17" (1/1) ... [2025-03-17 15:51:17,548 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:51:17" (1/1) ... [2025-03-17 15:51:17,554 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:51:17" (1/1) ... [2025-03-17 15:51:17,555 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:51:17" (1/1) ... [2025-03-17 15:51:17,560 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:51:17" (1/1) ... [2025-03-17 15:51:17,561 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:51:17" (1/1) ... [2025-03-17 15:51:17,562 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 15:51:17,565 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 15:51:17,565 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 15:51:17,565 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 15:51:17,566 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:51:17" (1/1) ... [2025-03-17 15:51:17,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 15:51:17,581 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:51:17,593 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 15:51:17,600 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 15:51:17,615 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 15:51:17,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 15:51:17,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 15:51:17,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 15:51:17,616 INFO L130 BoogieDeclarations]: Found specification of procedure assume [2025-03-17 15:51:17,616 INFO L138 BoogieDeclarations]: Found implementation of procedure assume [2025-03-17 15:51:17,666 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 15:51:17,667 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 15:51:17,943 INFO L? ?]: Removed 67 outVars from TransFormulas that were not future-live. [2025-03-17 15:51:17,943 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 15:51:17,953 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 15:51:17,954 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 15:51:17,954 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 03:51:17 BoogieIcfgContainer [2025-03-17 15:51:17,955 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 15:51:17,956 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 15:51:17,957 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 15:51:17,960 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 15:51:17,960 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 03:51:17" (1/3) ... [2025-03-17 15:51:17,962 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8e2050d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 03:51:17, skipping insertion in model container [2025-03-17 15:51:17,962 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:51:17" (2/3) ... [2025-03-17 15:51:17,962 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8e2050d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 03:51:17, skipping insertion in model container [2025-03-17 15:51:17,963 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 03:51:17" (3/3) ... [2025-03-17 15:51:17,964 INFO L128 eAbstractionObserver]: Analyzing ICFG AllInterval-008.c [2025-03-17 15:51:17,976 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 15:51:17,977 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG AllInterval-008.c that has 2 procedures, 180 locations, 1 initial locations, 0 loop locations, and 28 error locations. [2025-03-17 15:51:18,020 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 15:51:18,028 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;@51e22e75, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 15:51:18,028 INFO L334 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2025-03-17 15:51:18,031 INFO L276 IsEmpty]: Start isEmpty. Operand has 180 states, 64 states have (on average 1.5625) internal successors, (100), 92 states have internal predecessors, (100), 86 states have call successors, (86), 1 states have call predecessors, (86), 1 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) [2025-03-17 15:51:18,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2025-03-17 15:51:18,046 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:51:18,046 INFO L218 NwaCegarLoop]: trace histogram [79, 79, 79, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:51:18,047 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-03-17 15:51:18,051 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:51:18,052 INFO L85 PathProgramCache]: Analyzing trace with hash 132289256, now seen corresponding path program 1 times [2025-03-17 15:51:18,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:51:18,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375378111] [2025-03-17 15:51:18,060 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:51:18,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:51:18,147 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 413 statements into 1 equivalence classes. [2025-03-17 15:51:18,167 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 413 of 413 statements. [2025-03-17 15:51:18,167 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:51:18,167 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:51:18,406 INFO L134 CoverageAnalysis]: Checked inductivity of 12324 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 12168 trivial. 0 not checked. [2025-03-17 15:51:18,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:51:18,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375378111] [2025-03-17 15:51:18,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [375378111] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:51:18,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2104598915] [2025-03-17 15:51:18,409 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:51:18,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:51:18,409 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:51:18,411 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 15:51:18,413 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 15:51:18,486 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 413 statements into 1 equivalence classes. [2025-03-17 15:51:18,612 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 413 of 413 statements. [2025-03-17 15:51:18,612 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:51:18,612 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:51:18,617 INFO L256 TraceCheckSpWp]: Trace formula consists of 768 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-17 15:51:18,627 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:51:18,694 INFO L134 CoverageAnalysis]: Checked inductivity of 12324 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 12168 trivial. 0 not checked. [2025-03-17 15:51:18,698 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:51:18,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2104598915] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:51:18,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:51:18,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-17 15:51:18,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919452271] [2025-03-17 15:51:18,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:51:18,705 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-17 15:51:18,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:51:18,719 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-17 15:51:18,719 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 15:51:18,721 INFO L87 Difference]: Start difference. First operand has 180 states, 64 states have (on average 1.5625) internal successors, (100), 92 states have internal predecessors, (100), 86 states have call successors, (86), 1 states have call predecessors, (86), 1 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) Second operand has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (79), 2 states have call predecessors, (79), 1 states have return successors, (79), 1 states have call predecessors, (79), 2 states have call successors, (79) [2025-03-17 15:51:18,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:51:18,753 INFO L93 Difference]: Finished difference Result 356 states and 626 transitions. [2025-03-17 15:51:18,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-17 15:51:18,754 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (79), 2 states have call predecessors, (79), 1 states have return successors, (79), 1 states have call predecessors, (79), 2 states have call successors, (79) Word has length 413 [2025-03-17 15:51:18,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:51:18,763 INFO L225 Difference]: With dead ends: 356 [2025-03-17 15:51:18,764 INFO L226 Difference]: Without dead ends: 175 [2025-03-17 15:51:18,770 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 414 GetRequests, 414 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 15:51:18,773 INFO L435 NwaCegarLoop]: 269 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, 269 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 15:51:18,773 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 269 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 15:51:18,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2025-03-17 15:51:18,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 175. [2025-03-17 15:51:18,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 61 states have (on average 1.540983606557377) internal successors, (94), 88 states have internal predecessors, (94), 85 states have call successors, (85), 1 states have call predecessors, (85), 1 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2025-03-17 15:51:18,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 264 transitions. [2025-03-17 15:51:18,834 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 264 transitions. Word has length 413 [2025-03-17 15:51:18,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:51:18,835 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 264 transitions. [2025-03-17 15:51:18,837 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (79), 2 states have call predecessors, (79), 1 states have return successors, (79), 1 states have call predecessors, (79), 2 states have call successors, (79) [2025-03-17 15:51:18,837 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 264 transitions. [2025-03-17 15:51:18,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2025-03-17 15:51:18,847 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:51:18,848 INFO L218 NwaCegarLoop]: trace histogram [79, 79, 79, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:51:18,857 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-03-17 15:51:19,050 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 15:51:19,051 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-03-17 15:51:19,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:51:19,052 INFO L85 PathProgramCache]: Analyzing trace with hash -472930295, now seen corresponding path program 1 times [2025-03-17 15:51:19,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:51:19,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923702797] [2025-03-17 15:51:19,052 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:51:19,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:51:19,073 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 413 statements into 1 equivalence classes. [2025-03-17 15:51:19,178 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 413 of 413 statements. [2025-03-17 15:51:19,179 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:51:19,179 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:51:19,840 INFO L134 CoverageAnalysis]: Checked inductivity of 12324 backedges. 6 proven. 456 refuted. 0 times theorem prover too weak. 11862 trivial. 0 not checked. [2025-03-17 15:51:19,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:51:19,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923702797] [2025-03-17 15:51:19,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923702797] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:51:19,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1696563736] [2025-03-17 15:51:19,844 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:51:19,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:51:19,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:51:19,847 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 15:51:19,848 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 15:51:19,911 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 413 statements into 1 equivalence classes. [2025-03-17 15:51:20,009 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 413 of 413 statements. [2025-03-17 15:51:20,009 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:51:20,009 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:51:20,013 INFO L256 TraceCheckSpWp]: Trace formula consists of 768 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-17 15:51:20,024 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:51:20,548 INFO L134 CoverageAnalysis]: Checked inductivity of 12324 backedges. 0 proven. 234 refuted. 0 times theorem prover too weak. 12090 trivial. 0 not checked. [2025-03-17 15:51:20,548 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:51:21,044 INFO L134 CoverageAnalysis]: Checked inductivity of 12324 backedges. 0 proven. 234 refuted. 0 times theorem prover too weak. 12090 trivial. 0 not checked. [2025-03-17 15:51:21,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1696563736] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:51:21,044 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:51:21,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2025-03-17 15:51:21,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195996578] [2025-03-17 15:51:21,044 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:51:21,049 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-17 15:51:21,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:51:21,052 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-17 15:51:21,053 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2025-03-17 15:51:21,053 INFO L87 Difference]: Start difference. First operand 175 states and 264 transitions. Second operand has 10 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 6 states have call successors, (234), 1 states have call predecessors, (234), 2 states have return successors, (235), 5 states have call predecessors, (235), 6 states have call successors, (235) [2025-03-17 15:51:21,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:51:21,387 INFO L93 Difference]: Finished difference Result 175 states and 264 transitions. [2025-03-17 15:51:21,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-17 15:51:21,388 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 6 states have call successors, (234), 1 states have call predecessors, (234), 2 states have return successors, (235), 5 states have call predecessors, (235), 6 states have call successors, (235) Word has length 413 [2025-03-17 15:51:21,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:51:21,395 INFO L225 Difference]: With dead ends: 175 [2025-03-17 15:51:21,396 INFO L226 Difference]: Without dead ends: 174 [2025-03-17 15:51:21,396 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 832 GetRequests, 823 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 15:51:21,396 INFO L435 NwaCegarLoop]: 174 mSDtfsCounter, 5 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 292 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 572 SdHoareTripleChecker+Invalid, 292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:51:21,397 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 572 Invalid, 292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 292 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 15:51:21,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2025-03-17 15:51:21,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 174. [2025-03-17 15:51:21,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 61 states have (on average 1.5245901639344261) internal successors, (93), 87 states have internal predecessors, (93), 85 states have call successors, (85), 1 states have call predecessors, (85), 1 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2025-03-17 15:51:21,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 263 transitions. [2025-03-17 15:51:21,427 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 263 transitions. Word has length 413 [2025-03-17 15:51:21,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:51:21,429 INFO L471 AbstractCegarLoop]: Abstraction has 174 states and 263 transitions. [2025-03-17 15:51:21,430 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 6 states have call successors, (234), 1 states have call predecessors, (234), 2 states have return successors, (235), 5 states have call predecessors, (235), 6 states have call successors, (235) [2025-03-17 15:51:21,430 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 263 transitions. [2025-03-17 15:51:21,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2025-03-17 15:51:21,435 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:51:21,440 INFO L218 NwaCegarLoop]: trace histogram [79, 79, 79, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:51:21,447 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 15:51:21,640 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 15:51:21,640 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-03-17 15:51:21,641 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:51:21,642 INFO L85 PathProgramCache]: Analyzing trace with hash -1775937206, now seen corresponding path program 1 times [2025-03-17 15:51:21,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:51:21,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783943438] [2025-03-17 15:51:21,642 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:51:21,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:51:21,654 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 414 statements into 1 equivalence classes. [2025-03-17 15:51:21,712 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 414 of 414 statements. [2025-03-17 15:51:21,713 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:51:21,713 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:51:21,973 INFO L134 CoverageAnalysis]: Checked inductivity of 12324 backedges. 6 proven. 228 refuted. 0 times theorem prover too weak. 12090 trivial. 0 not checked. [2025-03-17 15:51:21,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:51:21,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783943438] [2025-03-17 15:51:21,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783943438] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:51:21,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1569348475] [2025-03-17 15:51:21,974 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:51:21,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:51:21,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:51:21,976 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 15:51:21,983 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 15:51:22,033 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 414 statements into 1 equivalence classes. [2025-03-17 15:51:22,110 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 414 of 414 statements. [2025-03-17 15:51:22,110 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:51:22,110 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:51:22,113 INFO L256 TraceCheckSpWp]: Trace formula consists of 769 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-17 15:51:22,118 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:51:22,420 INFO L134 CoverageAnalysis]: Checked inductivity of 12324 backedges. 6 proven. 228 refuted. 0 times theorem prover too weak. 12090 trivial. 0 not checked. [2025-03-17 15:51:22,420 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:51:22,816 INFO L134 CoverageAnalysis]: Checked inductivity of 12324 backedges. 6 proven. 228 refuted. 0 times theorem prover too weak. 12090 trivial. 0 not checked. [2025-03-17 15:51:22,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1569348475] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:51:22,816 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:51:22,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 7 [2025-03-17 15:51:22,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30296628] [2025-03-17 15:51:22,817 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:51:22,818 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-17 15:51:22,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:51:22,818 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-17 15:51:22,818 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:51:22,819 INFO L87 Difference]: Start difference. First operand 174 states and 263 transitions. Second operand has 8 states, 7 states have (on average 6.285714285714286) internal successors, (44), 8 states have internal predecessors, (44), 3 states have call successors, (155), 1 states have call predecessors, (155), 2 states have return successors, (156), 3 states have call predecessors, (156), 3 states have call successors, (156) [2025-03-17 15:51:23,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:51:23,104 INFO L93 Difference]: Finished difference Result 174 states and 263 transitions. [2025-03-17 15:51:23,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 15:51:23,104 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.285714285714286) internal successors, (44), 8 states have internal predecessors, (44), 3 states have call successors, (155), 1 states have call predecessors, (155), 2 states have return successors, (156), 3 states have call predecessors, (156), 3 states have call successors, (156) Word has length 414 [2025-03-17 15:51:23,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:51:23,106 INFO L225 Difference]: With dead ends: 174 [2025-03-17 15:51:23,106 INFO L226 Difference]: Without dead ends: 173 [2025-03-17 15:51:23,107 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 831 GetRequests, 824 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:51:23,108 INFO L435 NwaCegarLoop]: 174 mSDtfsCounter, 0 mSDsluCounter, 551 mSDsCounter, 0 mSdLazyCounter, 302 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 725 SdHoareTripleChecker+Invalid, 302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:51:23,108 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 725 Invalid, 302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 302 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:51:23,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2025-03-17 15:51:23,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173. [2025-03-17 15:51:23,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 61 states have (on average 1.5081967213114753) internal successors, (92), 86 states have internal predecessors, (92), 85 states have call successors, (85), 1 states have call predecessors, (85), 1 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2025-03-17 15:51:23,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 262 transitions. [2025-03-17 15:51:23,133 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 262 transitions. Word has length 414 [2025-03-17 15:51:23,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:51:23,134 INFO L471 AbstractCegarLoop]: Abstraction has 173 states and 262 transitions. [2025-03-17 15:51:23,135 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.285714285714286) internal successors, (44), 8 states have internal predecessors, (44), 3 states have call successors, (155), 1 states have call predecessors, (155), 2 states have return successors, (156), 3 states have call predecessors, (156), 3 states have call successors, (156) [2025-03-17 15:51:23,135 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 262 transitions. [2025-03-17 15:51:23,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 417 [2025-03-17 15:51:23,138 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:51:23,138 INFO L218 NwaCegarLoop]: trace histogram [79, 79, 79, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:51:23,145 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 15:51:23,338 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 15:51:23,339 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-03-17 15:51:23,340 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:51:23,340 INFO L85 PathProgramCache]: Analyzing trace with hash -1573636856, now seen corresponding path program 1 times [2025-03-17 15:51:23,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:51:23,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467798370] [2025-03-17 15:51:23,341 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:51:23,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:51:23,355 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 416 statements into 1 equivalence classes. [2025-03-17 15:51:23,372 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 416 of 416 statements. [2025-03-17 15:51:23,373 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:51:23,373 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:51:23,460 INFO L134 CoverageAnalysis]: Checked inductivity of 12324 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12324 trivial. 0 not checked. [2025-03-17 15:51:23,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:51:23,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467798370] [2025-03-17 15:51:23,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467798370] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:51:23,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:51:23,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 15:51:23,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981027301] [2025-03-17 15:51:23,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:51:23,461 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 15:51:23,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:51:23,462 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 15:51:23,462 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 15:51:23,462 INFO L87 Difference]: Start difference. First operand 173 states and 262 transitions. Second operand has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (79), 1 states have call predecessors, (79), 1 states have return successors, (79), 1 states have call predecessors, (79), 1 states have call successors, (79) [2025-03-17 15:51:23,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:51:23,532 INFO L93 Difference]: Finished difference Result 173 states and 262 transitions. [2025-03-17 15:51:23,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 15:51:23,532 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (79), 1 states have call predecessors, (79), 1 states have return successors, (79), 1 states have call predecessors, (79), 1 states have call successors, (79) Word has length 416 [2025-03-17 15:51:23,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:51:23,534 INFO L225 Difference]: With dead ends: 173 [2025-03-17 15:51:23,535 INFO L226 Difference]: Without dead ends: 166 [2025-03-17 15:51:23,535 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 15:51:23,535 INFO L435 NwaCegarLoop]: 235 mSDtfsCounter, 7 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 442 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 15:51:23,536 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 442 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 15:51:23,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2025-03-17 15:51:23,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2025-03-17 15:51:23,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 61 states have (on average 1.3934426229508197) internal successors, (85), 79 states have internal predecessors, (85), 85 states have call successors, (85), 1 states have call predecessors, (85), 1 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2025-03-17 15:51:23,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 255 transitions. [2025-03-17 15:51:23,554 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 255 transitions. Word has length 416 [2025-03-17 15:51:23,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:51:23,555 INFO L471 AbstractCegarLoop]: Abstraction has 166 states and 255 transitions. [2025-03-17 15:51:23,555 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (79), 1 states have call predecessors, (79), 1 states have return successors, (79), 1 states have call predecessors, (79), 1 states have call successors, (79) [2025-03-17 15:51:23,555 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 255 transitions. [2025-03-17 15:51:23,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 418 [2025-03-17 15:51:23,559 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:51:23,559 INFO L218 NwaCegarLoop]: trace histogram [79, 79, 79, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:51:23,559 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-17 15:51:23,559 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-03-17 15:51:23,560 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:51:23,560 INFO L85 PathProgramCache]: Analyzing trace with hash -1538102234, now seen corresponding path program 1 times [2025-03-17 15:51:23,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:51:23,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350930733] [2025-03-17 15:51:23,560 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:51:23,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:51:23,575 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 417 statements into 1 equivalence classes. [2025-03-17 15:51:23,614 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 417 of 417 statements. [2025-03-17 15:51:23,614 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:51:23,614 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:51:23,859 INFO L134 CoverageAnalysis]: Checked inductivity of 12324 backedges. 0 proven. 234 refuted. 0 times theorem prover too weak. 12090 trivial. 0 not checked. [2025-03-17 15:51:23,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:51:23,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350930733] [2025-03-17 15:51:23,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350930733] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:51:23,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [448834229] [2025-03-17 15:51:23,859 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:51:23,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:51:23,859 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:51:23,863 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 15:51:23,864 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 15:51:23,909 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 417 statements into 1 equivalence classes. [2025-03-17 15:51:23,987 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 417 of 417 statements. [2025-03-17 15:51:23,988 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:51:23,988 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:51:23,990 INFO L256 TraceCheckSpWp]: Trace formula consists of 774 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-17 15:51:23,999 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:51:24,276 INFO L134 CoverageAnalysis]: Checked inductivity of 12324 backedges. 0 proven. 234 refuted. 0 times theorem prover too weak. 12090 trivial. 0 not checked. [2025-03-17 15:51:24,276 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:51:24,607 INFO L134 CoverageAnalysis]: Checked inductivity of 12324 backedges. 0 proven. 234 refuted. 0 times theorem prover too weak. 12090 trivial. 0 not checked. [2025-03-17 15:51:24,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [448834229] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:51:24,607 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:51:24,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 8 [2025-03-17 15:51:24,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724770303] [2025-03-17 15:51:24,607 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:51:24,608 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-17 15:51:24,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:51:24,609 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-17 15:51:24,609 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2025-03-17 15:51:24,609 INFO L87 Difference]: Start difference. First operand 166 states and 255 transitions. Second operand has 9 states, 8 states have (on average 6.0) internal successors, (48), 8 states have internal predecessors, (48), 4 states have call successors, (156), 1 states have call predecessors, (156), 2 states have return successors, (156), 3 states have call predecessors, (156), 4 states have call successors, (156) [2025-03-17 15:51:25,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:51:25,062 INFO L93 Difference]: Finished difference Result 166 states and 255 transitions. [2025-03-17 15:51:25,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-17 15:51:25,063 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.0) internal successors, (48), 8 states have internal predecessors, (48), 4 states have call successors, (156), 1 states have call predecessors, (156), 2 states have return successors, (156), 3 states have call predecessors, (156), 4 states have call successors, (156) Word has length 417 [2025-03-17 15:51:25,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:51:25,065 INFO L225 Difference]: With dead ends: 166 [2025-03-17 15:51:25,065 INFO L226 Difference]: Without dead ends: 165 [2025-03-17 15:51:25,065 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 838 GetRequests, 829 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2025-03-17 15:51:25,067 INFO L435 NwaCegarLoop]: 162 mSDtfsCounter, 0 mSDsluCounter, 632 mSDsCounter, 0 mSdLazyCounter, 785 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 794 SdHoareTripleChecker+Invalid, 785 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 785 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-17 15:51:25,067 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 794 Invalid, 785 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 785 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-17 15:51:25,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2025-03-17 15:51:25,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2025-03-17 15:51:25,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 61 states have (on average 1.3770491803278688) internal successors, (84), 78 states have internal predecessors, (84), 85 states have call successors, (85), 1 states have call predecessors, (85), 1 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2025-03-17 15:51:25,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 254 transitions. [2025-03-17 15:51:25,081 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 254 transitions. Word has length 417 [2025-03-17 15:51:25,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:51:25,083 INFO L471 AbstractCegarLoop]: Abstraction has 165 states and 254 transitions. [2025-03-17 15:51:25,083 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.0) internal successors, (48), 8 states have internal predecessors, (48), 4 states have call successors, (156), 1 states have call predecessors, (156), 2 states have return successors, (156), 3 states have call predecessors, (156), 4 states have call successors, (156) [2025-03-17 15:51:25,084 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 254 transitions. [2025-03-17 15:51:25,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 423 [2025-03-17 15:51:25,085 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:51:25,086 INFO L218 NwaCegarLoop]: trace histogram [80, 80, 80, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:51:25,093 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-03-17 15:51:25,286 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:51:25,287 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-03-17 15:51:25,287 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:51:25,287 INFO L85 PathProgramCache]: Analyzing trace with hash -920931107, now seen corresponding path program 1 times [2025-03-17 15:51:25,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:51:25,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476365133] [2025-03-17 15:51:25,287 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:51:25,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:51:25,297 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 422 statements into 1 equivalence classes. [2025-03-17 15:51:25,320 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 422 of 422 statements. [2025-03-17 15:51:25,321 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:51:25,321 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:51:25,533 INFO L134 CoverageAnalysis]: Checked inductivity of 12640 backedges. 6 proven. 231 refuted. 0 times theorem prover too weak. 12403 trivial. 0 not checked. [2025-03-17 15:51:25,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:51:25,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476365133] [2025-03-17 15:51:25,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476365133] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:51:25,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [717459027] [2025-03-17 15:51:25,534 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:51:25,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:51:25,534 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:51:25,536 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 15:51:25,538 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 15:51:25,582 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 422 statements into 1 equivalence classes. [2025-03-17 15:51:25,651 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 422 of 422 statements. [2025-03-17 15:51:25,651 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:51:25,651 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:51:25,654 INFO L256 TraceCheckSpWp]: Trace formula consists of 786 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-03-17 15:51:25,660 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:51:26,067 INFO L134 CoverageAnalysis]: Checked inductivity of 12640 backedges. 285 proven. 627 refuted. 0 times theorem prover too weak. 11728 trivial. 0 not checked. [2025-03-17 15:51:26,067 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:51:26,520 INFO L134 CoverageAnalysis]: Checked inductivity of 12640 backedges. 285 proven. 627 refuted. 0 times theorem prover too weak. 11728 trivial. 0 not checked. [2025-03-17 15:51:26,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [717459027] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:51:26,520 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:51:26,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 10] total 19 [2025-03-17 15:51:26,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842431939] [2025-03-17 15:51:26,521 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:51:26,521 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2025-03-17 15:51:26,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:51:26,522 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2025-03-17 15:51:26,522 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=316, Unknown=0, NotChecked=0, Total=380 [2025-03-17 15:51:26,523 INFO L87 Difference]: Start difference. First operand 165 states and 254 transitions. Second operand has 20 states, 18 states have (on average 4.0) internal successors, (72), 17 states have internal predecessors, (72), 11 states have call successors, (238), 1 states have call predecessors, (238), 2 states have return successors, (240), 11 states have call predecessors, (240), 11 states have call successors, (240) [2025-03-17 15:51:27,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:51:27,258 INFO L93 Difference]: Finished difference Result 169 states and 261 transitions. [2025-03-17 15:51:27,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-17 15:51:27,259 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 18 states have (on average 4.0) internal successors, (72), 17 states have internal predecessors, (72), 11 states have call successors, (238), 1 states have call predecessors, (238), 2 states have return successors, (240), 11 states have call predecessors, (240), 11 states have call successors, (240) Word has length 422 [2025-03-17 15:51:27,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:51:27,261 INFO L225 Difference]: With dead ends: 169 [2025-03-17 15:51:27,262 INFO L226 Difference]: Without dead ends: 168 [2025-03-17 15:51:27,263 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 854 GetRequests, 829 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=146, Invalid=556, Unknown=0, NotChecked=0, Total=702 [2025-03-17 15:51:27,264 INFO L435 NwaCegarLoop]: 157 mSDtfsCounter, 36 mSDsluCounter, 1276 mSDsCounter, 0 mSdLazyCounter, 1117 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 1433 SdHoareTripleChecker+Invalid, 1195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 1117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-17 15:51:27,265 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 1433 Invalid, 1195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 1117 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-17 15:51:27,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2025-03-17 15:51:27,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 164. [2025-03-17 15:51:27,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 61 states have (on average 1.360655737704918) internal successors, (83), 77 states have internal predecessors, (83), 85 states have call successors, (85), 1 states have call predecessors, (85), 1 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2025-03-17 15:51:27,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 253 transitions. [2025-03-17 15:51:27,287 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 253 transitions. Word has length 422 [2025-03-17 15:51:27,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:51:27,290 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 253 transitions. [2025-03-17 15:51:27,290 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 18 states have (on average 4.0) internal successors, (72), 17 states have internal predecessors, (72), 11 states have call successors, (238), 1 states have call predecessors, (238), 2 states have return successors, (240), 11 states have call predecessors, (240), 11 states have call successors, (240) [2025-03-17 15:51:27,290 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 253 transitions. [2025-03-17 15:51:27,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 424 [2025-03-17 15:51:27,293 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:51:27,293 INFO L218 NwaCegarLoop]: trace histogram [80, 80, 80, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:51:27,301 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 15:51:27,494 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:51:27,494 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-03-17 15:51:27,495 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:51:27,495 INFO L85 PathProgramCache]: Analyzing trace with hash 1515906794, now seen corresponding path program 1 times [2025-03-17 15:51:27,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:51:27,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055414977] [2025-03-17 15:51:27,495 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:51:27,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:51:27,511 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 423 statements into 1 equivalence classes. [2025-03-17 15:51:27,537 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 423 of 423 statements. [2025-03-17 15:51:27,539 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:51:27,539 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:51:27,733 INFO L134 CoverageAnalysis]: Checked inductivity of 12640 backedges. 12 proven. 225 refuted. 0 times theorem prover too weak. 12403 trivial. 0 not checked. [2025-03-17 15:51:27,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:51:27,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055414977] [2025-03-17 15:51:27,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055414977] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:51:27,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1355353853] [2025-03-17 15:51:27,734 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:51:27,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:51:27,734 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:51:27,736 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 15:51:27,738 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 15:51:27,779 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 423 statements into 1 equivalence classes. [2025-03-17 15:51:27,847 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 423 of 423 statements. [2025-03-17 15:51:27,847 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:51:27,847 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:51:27,850 INFO L256 TraceCheckSpWp]: Trace formula consists of 787 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-17 15:51:27,855 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:51:28,080 INFO L134 CoverageAnalysis]: Checked inductivity of 12640 backedges. 12 proven. 225 refuted. 0 times theorem prover too weak. 12403 trivial. 0 not checked. [2025-03-17 15:51:28,080 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:51:28,394 INFO L134 CoverageAnalysis]: Checked inductivity of 12640 backedges. 12 proven. 225 refuted. 0 times theorem prover too weak. 12403 trivial. 0 not checked. [2025-03-17 15:51:28,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1355353853] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:51:28,395 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:51:28,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 7 [2025-03-17 15:51:28,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410626348] [2025-03-17 15:51:28,395 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:51:28,396 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-17 15:51:28,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:51:28,396 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-17 15:51:28,396 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:51:28,397 INFO L87 Difference]: Start difference. First operand 164 states and 253 transitions. Second operand has 8 states, 7 states have (on average 7.285714285714286) internal successors, (51), 8 states have internal predecessors, (51), 4 states have call successors, (155), 1 states have call predecessors, (155), 2 states have return successors, (156), 4 states have call predecessors, (156), 4 states have call successors, (156) [2025-03-17 15:51:28,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:51:28,757 INFO L93 Difference]: Finished difference Result 164 states and 253 transitions. [2025-03-17 15:51:28,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 15:51:28,758 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.285714285714286) internal successors, (51), 8 states have internal predecessors, (51), 4 states have call successors, (155), 1 states have call predecessors, (155), 2 states have return successors, (156), 4 states have call predecessors, (156), 4 states have call successors, (156) Word has length 423 [2025-03-17 15:51:28,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:51:28,760 INFO L225 Difference]: With dead ends: 164 [2025-03-17 15:51:28,760 INFO L226 Difference]: Without dead ends: 163 [2025-03-17 15:51:28,760 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 849 GetRequests, 842 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:51:28,760 INFO L435 NwaCegarLoop]: 162 mSDtfsCounter, 9 mSDsluCounter, 502 mSDsCounter, 0 mSdLazyCounter, 642 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 664 SdHoareTripleChecker+Invalid, 642 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 642 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:51:28,761 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 664 Invalid, 642 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 642 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 15:51:28,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2025-03-17 15:51:28,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2025-03-17 15:51:28,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 61 states have (on average 1.3442622950819672) internal successors, (82), 76 states have internal predecessors, (82), 85 states have call successors, (85), 1 states have call predecessors, (85), 1 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2025-03-17 15:51:28,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 252 transitions. [2025-03-17 15:51:28,791 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 252 transitions. Word has length 423 [2025-03-17 15:51:28,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:51:28,792 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 252 transitions. [2025-03-17 15:51:28,792 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.285714285714286) internal successors, (51), 8 states have internal predecessors, (51), 4 states have call successors, (155), 1 states have call predecessors, (155), 2 states have return successors, (156), 4 states have call predecessors, (156), 4 states have call successors, (156) [2025-03-17 15:51:28,792 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 252 transitions. [2025-03-17 15:51:28,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 427 [2025-03-17 15:51:28,794 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:51:28,794 INFO L218 NwaCegarLoop]: trace histogram [80, 80, 80, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:51:28,801 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 15:51:28,994 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:51:28,995 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-03-17 15:51:28,995 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:51:28,995 INFO L85 PathProgramCache]: Analyzing trace with hash -1201779718, now seen corresponding path program 1 times [2025-03-17 15:51:28,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:51:28,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820631642] [2025-03-17 15:51:28,995 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:51:28,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:51:29,003 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 426 statements into 1 equivalence classes. [2025-03-17 15:51:29,021 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 426 of 426 statements. [2025-03-17 15:51:29,022 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:51:29,022 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:51:29,260 INFO L134 CoverageAnalysis]: Checked inductivity of 12640 backedges. 18 proven. 450 refuted. 0 times theorem prover too weak. 12172 trivial. 0 not checked. [2025-03-17 15:51:29,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:51:29,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820631642] [2025-03-17 15:51:29,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820631642] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:51:29,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [293997333] [2025-03-17 15:51:29,261 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:51:29,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:51:29,261 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:51:29,263 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 15:51:29,264 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 15:51:29,307 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 426 statements into 1 equivalence classes. [2025-03-17 15:51:29,373 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 426 of 426 statements. [2025-03-17 15:51:29,373 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:51:29,374 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:51:29,376 INFO L256 TraceCheckSpWp]: Trace formula consists of 792 conjuncts, 25 conjuncts are in the unsatisfiable core [2025-03-17 15:51:29,381 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:51:29,758 INFO L134 CoverageAnalysis]: Checked inductivity of 12640 backedges. 285 proven. 627 refuted. 0 times theorem prover too weak. 11728 trivial. 0 not checked. [2025-03-17 15:51:29,758 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:51:30,206 INFO L134 CoverageAnalysis]: Checked inductivity of 12640 backedges. 285 proven. 627 refuted. 0 times theorem prover too weak. 11728 trivial. 0 not checked. [2025-03-17 15:51:30,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [293997333] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:51:30,206 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:51:30,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 10, 11] total 22 [2025-03-17 15:51:30,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512996704] [2025-03-17 15:51:30,206 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:51:30,207 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2025-03-17 15:51:30,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:51:30,208 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2025-03-17 15:51:30,208 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=434, Unknown=0, NotChecked=0, Total=506 [2025-03-17 15:51:30,208 INFO L87 Difference]: Start difference. First operand 163 states and 252 transitions. Second operand has 23 states, 21 states have (on average 4.0) internal successors, (84), 23 states have internal predecessors, (84), 11 states have call successors, (238), 1 states have call predecessors, (238), 2 states have return successors, (240), 11 states have call predecessors, (240), 11 states have call successors, (240) [2025-03-17 15:51:30,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:51:30,921 INFO L93 Difference]: Finished difference Result 167 states and 257 transitions. [2025-03-17 15:51:30,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-17 15:51:30,922 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 21 states have (on average 4.0) internal successors, (84), 23 states have internal predecessors, (84), 11 states have call successors, (238), 1 states have call predecessors, (238), 2 states have return successors, (240), 11 states have call predecessors, (240), 11 states have call successors, (240) Word has length 426 [2025-03-17 15:51:30,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:51:30,923 INFO L225 Difference]: With dead ends: 167 [2025-03-17 15:51:30,923 INFO L226 Difference]: Without dead ends: 166 [2025-03-17 15:51:30,924 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 865 GetRequests, 837 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=153, Invalid=717, Unknown=0, NotChecked=0, Total=870 [2025-03-17 15:51:30,924 INFO L435 NwaCegarLoop]: 152 mSDtfsCounter, 57 mSDsluCounter, 1680 mSDsCounter, 0 mSdLazyCounter, 1192 mSolverCounterSat, 160 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 1832 SdHoareTripleChecker+Invalid, 1352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 160 IncrementalHoareTripleChecker+Valid, 1192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-17 15:51:30,924 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 1832 Invalid, 1352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [160 Valid, 1192 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-17 15:51:30,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2025-03-17 15:51:30,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 162. [2025-03-17 15:51:30,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 61 states have (on average 1.3278688524590163) internal successors, (81), 75 states have internal predecessors, (81), 85 states have call successors, (85), 1 states have call predecessors, (85), 1 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2025-03-17 15:51:30,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 251 transitions. [2025-03-17 15:51:30,938 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 251 transitions. Word has length 426 [2025-03-17 15:51:30,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:51:30,939 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 251 transitions. [2025-03-17 15:51:30,939 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 21 states have (on average 4.0) internal successors, (84), 23 states have internal predecessors, (84), 11 states have call successors, (238), 1 states have call predecessors, (238), 2 states have return successors, (240), 11 states have call predecessors, (240), 11 states have call successors, (240) [2025-03-17 15:51:30,939 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 251 transitions. [2025-03-17 15:51:30,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 432 [2025-03-17 15:51:30,941 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:51:30,942 INFO L218 NwaCegarLoop]: trace histogram [81, 81, 81, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:51:30,950 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 15:51:31,144 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:51:31,144 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-03-17 15:51:31,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:51:31,145 INFO L85 PathProgramCache]: Analyzing trace with hash -2022240395, now seen corresponding path program 1 times [2025-03-17 15:51:31,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:51:31,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981145710] [2025-03-17 15:51:31,145 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:51:31,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:51:31,153 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 431 statements into 1 equivalence classes. [2025-03-17 15:51:31,175 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 431 of 431 statements. [2025-03-17 15:51:31,176 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:51:31,176 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:51:31,322 INFO L134 CoverageAnalysis]: Checked inductivity of 12960 backedges. 12 proven. 228 refuted. 0 times theorem prover too weak. 12720 trivial. 0 not checked. [2025-03-17 15:51:31,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:51:31,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981145710] [2025-03-17 15:51:31,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981145710] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:51:31,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1142622664] [2025-03-17 15:51:31,323 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:51:31,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:51:31,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:51:31,325 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 15:51:31,326 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 15:51:31,369 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 431 statements into 1 equivalence classes. [2025-03-17 15:51:31,437 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 431 of 431 statements. [2025-03-17 15:51:31,437 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:51:31,437 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:51:31,440 INFO L256 TraceCheckSpWp]: Trace formula consists of 804 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-17 15:51:31,444 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:51:31,655 INFO L134 CoverageAnalysis]: Checked inductivity of 12960 backedges. 12 proven. 228 refuted. 0 times theorem prover too weak. 12720 trivial. 0 not checked. [2025-03-17 15:51:31,655 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:51:31,969 INFO L134 CoverageAnalysis]: Checked inductivity of 12960 backedges. 12 proven. 228 refuted. 0 times theorem prover too weak. 12720 trivial. 0 not checked. [2025-03-17 15:51:31,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1142622664] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:51:31,971 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:51:31,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2025-03-17 15:51:31,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181973388] [2025-03-17 15:51:31,971 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:51:31,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-17 15:51:31,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:51:31,972 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-17 15:51:31,972 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2025-03-17 15:51:31,973 INFO L87 Difference]: Start difference. First operand 162 states and 251 transitions. Second operand has 10 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 6 states have call successors, (232), 1 states have call predecessors, (232), 2 states have return successors, (233), 6 states have call predecessors, (233), 6 states have call successors, (233) [2025-03-17 15:51:32,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:51:32,305 INFO L93 Difference]: Finished difference Result 162 states and 251 transitions. [2025-03-17 15:51:32,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 15:51:32,305 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 6 states have call successors, (232), 1 states have call predecessors, (232), 2 states have return successors, (233), 6 states have call predecessors, (233), 6 states have call successors, (233) Word has length 431 [2025-03-17 15:51:32,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:51:32,307 INFO L225 Difference]: With dead ends: 162 [2025-03-17 15:51:32,307 INFO L226 Difference]: Without dead ends: 161 [2025-03-17 15:51:32,307 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 865 GetRequests, 857 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2025-03-17 15:51:32,308 INFO L435 NwaCegarLoop]: 159 mSDtfsCounter, 14 mSDsluCounter, 602 mSDsCounter, 0 mSdLazyCounter, 671 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 761 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 671 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:51:32,308 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 761 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 671 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 15:51:32,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2025-03-17 15:51:32,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2025-03-17 15:51:32,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 61 states have (on average 1.3114754098360655) internal successors, (80), 74 states have internal predecessors, (80), 85 states have call successors, (85), 1 states have call predecessors, (85), 1 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2025-03-17 15:51:32,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 250 transitions. [2025-03-17 15:51:32,318 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 250 transitions. Word has length 431 [2025-03-17 15:51:32,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:51:32,318 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 250 transitions. [2025-03-17 15:51:32,319 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 6 states have call successors, (232), 1 states have call predecessors, (232), 2 states have return successors, (233), 6 states have call predecessors, (233), 6 states have call successors, (233) [2025-03-17 15:51:32,319 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 250 transitions. [2025-03-17 15:51:32,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 433 [2025-03-17 15:51:32,320 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:51:32,320 INFO L218 NwaCegarLoop]: trace histogram [81, 81, 81, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:51:32,327 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 15:51:32,521 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,SelfDestructingSolverStorable8 [2025-03-17 15:51:32,521 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-03-17 15:51:32,521 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:51:32,521 INFO L85 PathProgramCache]: Analyzing trace with hash 1735057222, now seen corresponding path program 1 times [2025-03-17 15:51:32,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:51:32,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100444395] [2025-03-17 15:51:32,522 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:51:32,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:51:32,531 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 432 statements into 1 equivalence classes. [2025-03-17 15:51:32,552 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 432 of 432 statements. [2025-03-17 15:51:32,552 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:51:32,552 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:51:32,689 INFO L134 CoverageAnalysis]: Checked inductivity of 12960 backedges. 18 proven. 222 refuted. 0 times theorem prover too weak. 12720 trivial. 0 not checked. [2025-03-17 15:51:32,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:51:32,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100444395] [2025-03-17 15:51:32,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100444395] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:51:32,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [265916529] [2025-03-17 15:51:32,689 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:51:32,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:51:32,690 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:51:32,717 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 15:51:32,719 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 15:51:32,760 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 432 statements into 1 equivalence classes. [2025-03-17 15:51:32,826 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 432 of 432 statements. [2025-03-17 15:51:32,826 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:51:32,826 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:51:32,829 INFO L256 TraceCheckSpWp]: Trace formula consists of 805 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-17 15:51:32,835 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:51:33,043 INFO L134 CoverageAnalysis]: Checked inductivity of 12960 backedges. 18 proven. 222 refuted. 0 times theorem prover too weak. 12720 trivial. 0 not checked. [2025-03-17 15:51:33,043 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:51:33,315 INFO L134 CoverageAnalysis]: Checked inductivity of 12960 backedges. 18 proven. 222 refuted. 0 times theorem prover too weak. 12720 trivial. 0 not checked. [2025-03-17 15:51:33,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [265916529] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:51:33,315 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:51:33,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 7 [2025-03-17 15:51:33,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493637038] [2025-03-17 15:51:33,315 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:51:33,316 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-17 15:51:33,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:51:33,317 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-17 15:51:33,317 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:51:33,317 INFO L87 Difference]: Start difference. First operand 161 states and 250 transitions. Second operand has 8 states, 7 states have (on average 8.285714285714286) internal successors, (58), 8 states have internal predecessors, (58), 4 states have call successors, (155), 1 states have call predecessors, (155), 2 states have return successors, (156), 4 states have call predecessors, (156), 4 states have call successors, (156) [2025-03-17 15:51:33,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:51:33,659 INFO L93 Difference]: Finished difference Result 161 states and 250 transitions. [2025-03-17 15:51:33,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 15:51:33,660 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.285714285714286) internal successors, (58), 8 states have internal predecessors, (58), 4 states have call successors, (155), 1 states have call predecessors, (155), 2 states have return successors, (156), 4 states have call predecessors, (156), 4 states have call successors, (156) Word has length 432 [2025-03-17 15:51:33,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:51:33,662 INFO L225 Difference]: With dead ends: 161 [2025-03-17 15:51:33,662 INFO L226 Difference]: Without dead ends: 160 [2025-03-17 15:51:33,662 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 867 GetRequests, 860 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:51:33,662 INFO L435 NwaCegarLoop]: 159 mSDtfsCounter, 6 mSDsluCounter, 602 mSDsCounter, 0 mSdLazyCounter, 663 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 761 SdHoareTripleChecker+Invalid, 663 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 663 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:51:33,662 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 761 Invalid, 663 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 663 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 15:51:33,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2025-03-17 15:51:33,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2025-03-17 15:51:33,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 61 states have (on average 1.2950819672131149) internal successors, (79), 73 states have internal predecessors, (79), 85 states have call successors, (85), 1 states have call predecessors, (85), 1 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2025-03-17 15:51:33,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 249 transitions. [2025-03-17 15:51:33,678 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 249 transitions. Word has length 432 [2025-03-17 15:51:33,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:51:33,678 INFO L471 AbstractCegarLoop]: Abstraction has 160 states and 249 transitions. [2025-03-17 15:51:33,678 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.285714285714286) internal successors, (58), 8 states have internal predecessors, (58), 4 states have call successors, (155), 1 states have call predecessors, (155), 2 states have return successors, (156), 4 states have call predecessors, (156), 4 states have call successors, (156) [2025-03-17 15:51:33,679 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 249 transitions. [2025-03-17 15:51:33,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 436 [2025-03-17 15:51:33,680 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:51:33,680 INFO L218 NwaCegarLoop]: trace histogram [81, 81, 81, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:51:33,687 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-03-17 15:51:33,883 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2025-03-17 15:51:33,883 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-03-17 15:51:33,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:51:33,883 INFO L85 PathProgramCache]: Analyzing trace with hash -841681006, now seen corresponding path program 1 times [2025-03-17 15:51:33,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:51:33,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245319740] [2025-03-17 15:51:33,884 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:51:33,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:51:33,891 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 435 statements into 1 equivalence classes. [2025-03-17 15:51:33,909 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 435 of 435 statements. [2025-03-17 15:51:33,909 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:51:33,909 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:51:34,145 INFO L134 CoverageAnalysis]: Checked inductivity of 12960 backedges. 30 proven. 444 refuted. 0 times theorem prover too weak. 12486 trivial. 0 not checked. [2025-03-17 15:51:34,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:51:34,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245319740] [2025-03-17 15:51:34,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245319740] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:51:34,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1150335834] [2025-03-17 15:51:34,145 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:51:34,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:51:34,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:51:34,147 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 15:51:34,148 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 15:51:34,190 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 435 statements into 1 equivalence classes. [2025-03-17 15:51:34,258 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 435 of 435 statements. [2025-03-17 15:51:34,258 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:51:34,258 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:51:34,261 INFO L256 TraceCheckSpWp]: Trace formula consists of 810 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-17 15:51:34,265 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:51:34,477 INFO L134 CoverageAnalysis]: Checked inductivity of 12960 backedges. 12 proven. 228 refuted. 0 times theorem prover too weak. 12720 trivial. 0 not checked. [2025-03-17 15:51:34,477 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:51:34,787 INFO L134 CoverageAnalysis]: Checked inductivity of 12960 backedges. 12 proven. 228 refuted. 0 times theorem prover too weak. 12720 trivial. 0 not checked. [2025-03-17 15:51:34,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1150335834] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:51:34,787 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:51:34,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2025-03-17 15:51:34,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162628629] [2025-03-17 15:51:34,787 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:51:34,788 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-17 15:51:34,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:51:34,788 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-17 15:51:34,788 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2025-03-17 15:51:34,789 INFO L87 Difference]: Start difference. First operand 160 states and 249 transitions. Second operand has 11 states, 10 states have (on average 8.9) internal successors, (89), 11 states have internal predecessors, (89), 5 states have call successors, (231), 1 states have call predecessors, (231), 2 states have return successors, (231), 5 states have call predecessors, (231), 5 states have call successors, (231) [2025-03-17 15:51:35,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:51:35,195 INFO L93 Difference]: Finished difference Result 160 states and 249 transitions. [2025-03-17 15:51:35,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-17 15:51:35,196 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 8.9) internal successors, (89), 11 states have internal predecessors, (89), 5 states have call successors, (231), 1 states have call predecessors, (231), 2 states have return successors, (231), 5 states have call predecessors, (231), 5 states have call successors, (231) Word has length 435 [2025-03-17 15:51:35,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:51:35,197 INFO L225 Difference]: With dead ends: 160 [2025-03-17 15:51:35,197 INFO L226 Difference]: Without dead ends: 159 [2025-03-17 15:51:35,197 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 877 GetRequests, 866 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2025-03-17 15:51:35,198 INFO L435 NwaCegarLoop]: 154 mSDtfsCounter, 24 mSDsluCounter, 680 mSDsCounter, 0 mSdLazyCounter, 930 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 834 SdHoareTripleChecker+Invalid, 930 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 930 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-17 15:51:35,198 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 834 Invalid, 930 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 930 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-17 15:51:35,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2025-03-17 15:51:35,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2025-03-17 15:51:35,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 61 states have (on average 1.278688524590164) internal successors, (78), 72 states have internal predecessors, (78), 85 states have call successors, (85), 1 states have call predecessors, (85), 1 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2025-03-17 15:51:35,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 248 transitions. [2025-03-17 15:51:35,209 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 248 transitions. Word has length 435 [2025-03-17 15:51:35,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:51:35,210 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 248 transitions. [2025-03-17 15:51:35,210 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 8.9) internal successors, (89), 11 states have internal predecessors, (89), 5 states have call successors, (231), 1 states have call predecessors, (231), 2 states have return successors, (231), 5 states have call predecessors, (231), 5 states have call successors, (231) [2025-03-17 15:51:35,210 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 248 transitions. [2025-03-17 15:51:35,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 441 [2025-03-17 15:51:35,212 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:51:35,212 INFO L218 NwaCegarLoop]: trace histogram [82, 82, 82, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:51:35,221 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2025-03-17 15:51:35,412 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,SelfDestructingSolverStorable10 [2025-03-17 15:51:35,412 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-03-17 15:51:35,413 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:51:35,413 INFO L85 PathProgramCache]: Analyzing trace with hash 1290033353, now seen corresponding path program 1 times [2025-03-17 15:51:35,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:51:35,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968760976] [2025-03-17 15:51:35,413 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:51:35,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:51:35,420 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 440 statements into 1 equivalence classes. [2025-03-17 15:51:35,441 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 440 of 440 statements. [2025-03-17 15:51:35,445 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:51:35,445 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:51:35,603 INFO L134 CoverageAnalysis]: Checked inductivity of 13284 backedges. 18 proven. 225 refuted. 0 times theorem prover too weak. 13041 trivial. 0 not checked. [2025-03-17 15:51:35,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:51:35,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968760976] [2025-03-17 15:51:35,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [968760976] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:51:35,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2055470706] [2025-03-17 15:51:35,605 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:51:35,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:51:35,605 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:51:35,608 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 15:51:35,610 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 15:51:35,654 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 440 statements into 1 equivalence classes. [2025-03-17 15:51:35,729 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 440 of 440 statements. [2025-03-17 15:51:35,729 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:51:35,729 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:51:35,735 INFO L256 TraceCheckSpWp]: Trace formula consists of 822 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-03-17 15:51:35,739 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:51:36,074 INFO L134 CoverageAnalysis]: Checked inductivity of 13284 backedges. 327 proven. 609 refuted. 0 times theorem prover too weak. 12348 trivial. 0 not checked. [2025-03-17 15:51:36,074 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:51:36,440 INFO L134 CoverageAnalysis]: Checked inductivity of 13284 backedges. 327 proven. 609 refuted. 0 times theorem prover too weak. 12348 trivial. 0 not checked. [2025-03-17 15:51:36,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2055470706] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:51:36,440 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:51:36,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 10] total 19 [2025-03-17 15:51:36,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799651522] [2025-03-17 15:51:36,440 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:51:36,441 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2025-03-17 15:51:36,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:51:36,442 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2025-03-17 15:51:36,442 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=316, Unknown=0, NotChecked=0, Total=380 [2025-03-17 15:51:36,442 INFO L87 Difference]: Start difference. First operand 159 states and 248 transitions. Second operand has 20 states, 18 states have (on average 5.111111111111111) internal successors, (92), 17 states have internal predecessors, (92), 11 states have call successors, (236), 1 states have call predecessors, (236), 2 states have return successors, (238), 11 states have call predecessors, (238), 11 states have call successors, (238) [2025-03-17 15:51:36,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:51:36,946 INFO L93 Difference]: Finished difference Result 163 states and 255 transitions. [2025-03-17 15:51:36,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-17 15:51:36,946 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 18 states have (on average 5.111111111111111) internal successors, (92), 17 states have internal predecessors, (92), 11 states have call successors, (236), 1 states have call predecessors, (236), 2 states have return successors, (238), 11 states have call predecessors, (238), 11 states have call successors, (238) Word has length 440 [2025-03-17 15:51:36,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:51:36,948 INFO L225 Difference]: With dead ends: 163 [2025-03-17 15:51:36,948 INFO L226 Difference]: Without dead ends: 162 [2025-03-17 15:51:36,948 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 890 GetRequests, 865 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=146, Invalid=556, Unknown=0, NotChecked=0, Total=702 [2025-03-17 15:51:36,949 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 66 mSDsluCounter, 1226 mSDsCounter, 0 mSdLazyCounter, 815 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 1375 SdHoareTripleChecker+Invalid, 889 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 815 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-17 15:51:36,949 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 1375 Invalid, 889 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 815 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-17 15:51:36,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2025-03-17 15:51:36,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 158. [2025-03-17 15:51:36,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 61 states have (on average 1.2622950819672132) internal successors, (77), 71 states have internal predecessors, (77), 85 states have call successors, (85), 1 states have call predecessors, (85), 1 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2025-03-17 15:51:36,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 247 transitions. [2025-03-17 15:51:36,962 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 247 transitions. Word has length 440 [2025-03-17 15:51:36,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:51:36,962 INFO L471 AbstractCegarLoop]: Abstraction has 158 states and 247 transitions. [2025-03-17 15:51:36,962 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 18 states have (on average 5.111111111111111) internal successors, (92), 17 states have internal predecessors, (92), 11 states have call successors, (236), 1 states have call predecessors, (236), 2 states have return successors, (238), 11 states have call predecessors, (238), 11 states have call successors, (238) [2025-03-17 15:51:36,963 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 247 transitions. [2025-03-17 15:51:36,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 442 [2025-03-17 15:51:36,964 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:51:36,964 INFO L218 NwaCegarLoop]: trace histogram [82, 82, 82, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:51:36,972 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 15:51:37,164 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,SelfDestructingSolverStorable11 [2025-03-17 15:51:37,165 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-03-17 15:51:37,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:51:37,165 INFO L85 PathProgramCache]: Analyzing trace with hash 1336328294, now seen corresponding path program 1 times [2025-03-17 15:51:37,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:51:37,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084310438] [2025-03-17 15:51:37,165 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:51:37,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:51:37,173 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 441 statements into 1 equivalence classes. [2025-03-17 15:51:37,192 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 441 of 441 statements. [2025-03-17 15:51:37,192 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:51:37,192 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:51:37,340 INFO L134 CoverageAnalysis]: Checked inductivity of 13284 backedges. 24 proven. 219 refuted. 0 times theorem prover too weak. 13041 trivial. 0 not checked. [2025-03-17 15:51:37,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:51:37,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084310438] [2025-03-17 15:51:37,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084310438] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:51:37,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [453183030] [2025-03-17 15:51:37,341 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:51:37,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:51:37,341 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:51:37,343 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 15:51:37,345 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 15:51:37,389 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 441 statements into 1 equivalence classes. [2025-03-17 15:51:37,466 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 441 of 441 statements. [2025-03-17 15:51:37,466 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:51:37,466 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:51:37,469 INFO L256 TraceCheckSpWp]: Trace formula consists of 823 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-17 15:51:37,474 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:51:37,706 INFO L134 CoverageAnalysis]: Checked inductivity of 13284 backedges. 24 proven. 219 refuted. 0 times theorem prover too weak. 13041 trivial. 0 not checked. [2025-03-17 15:51:37,706 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:51:38,003 INFO L134 CoverageAnalysis]: Checked inductivity of 13284 backedges. 24 proven. 219 refuted. 0 times theorem prover too weak. 13041 trivial. 0 not checked. [2025-03-17 15:51:38,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [453183030] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:51:38,004 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:51:38,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 7 [2025-03-17 15:51:38,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868176243] [2025-03-17 15:51:38,004 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:51:38,005 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-17 15:51:38,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:51:38,005 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-17 15:51:38,005 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:51:38,005 INFO L87 Difference]: Start difference. First operand 158 states and 247 transitions. Second operand has 8 states, 7 states have (on average 9.285714285714286) internal successors, (65), 8 states have internal predecessors, (65), 4 states have call successors, (155), 1 states have call predecessors, (155), 2 states have return successors, (156), 4 states have call predecessors, (156), 4 states have call successors, (156) [2025-03-17 15:51:38,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:51:38,262 INFO L93 Difference]: Finished difference Result 158 states and 247 transitions. [2025-03-17 15:51:38,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 15:51:38,263 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.285714285714286) internal successors, (65), 8 states have internal predecessors, (65), 4 states have call successors, (155), 1 states have call predecessors, (155), 2 states have return successors, (156), 4 states have call predecessors, (156), 4 states have call successors, (156) Word has length 441 [2025-03-17 15:51:38,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:51:38,264 INFO L225 Difference]: With dead ends: 158 [2025-03-17 15:51:38,265 INFO L226 Difference]: Without dead ends: 157 [2025-03-17 15:51:38,265 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 885 GetRequests, 878 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:51:38,265 INFO L435 NwaCegarLoop]: 156 mSDtfsCounter, 27 mSDsluCounter, 379 mSDsCounter, 0 mSdLazyCounter, 472 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 535 SdHoareTripleChecker+Invalid, 472 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 472 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:51:38,265 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 535 Invalid, 472 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 472 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:51:38,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2025-03-17 15:51:38,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2025-03-17 15:51:38,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 61 states have (on average 1.2459016393442623) internal successors, (76), 70 states have internal predecessors, (76), 85 states have call successors, (85), 1 states have call predecessors, (85), 1 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2025-03-17 15:51:38,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 246 transitions. [2025-03-17 15:51:38,278 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 246 transitions. Word has length 441 [2025-03-17 15:51:38,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:51:38,279 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 246 transitions. [2025-03-17 15:51:38,279 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.285714285714286) internal successors, (65), 8 states have internal predecessors, (65), 4 states have call successors, (155), 1 states have call predecessors, (155), 2 states have return successors, (156), 4 states have call predecessors, (156), 4 states have call successors, (156) [2025-03-17 15:51:38,279 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 246 transitions. [2025-03-17 15:51:38,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 445 [2025-03-17 15:51:38,281 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:51:38,281 INFO L218 NwaCegarLoop]: trace histogram [82, 82, 82, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:51:38,292 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 15:51:38,481 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2025-03-17 15:51:38,481 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-03-17 15:51:38,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:51:38,482 INFO L85 PathProgramCache]: Analyzing trace with hash 504353766, now seen corresponding path program 1 times [2025-03-17 15:51:38,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:51:38,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538206531] [2025-03-17 15:51:38,482 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:51:38,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:51:38,490 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 444 statements into 1 equivalence classes. [2025-03-17 15:51:38,503 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 444 of 444 statements. [2025-03-17 15:51:38,504 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:51:38,504 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:51:38,693 INFO L134 CoverageAnalysis]: Checked inductivity of 13284 backedges. 42 proven. 438 refuted. 0 times theorem prover too weak. 12804 trivial. 0 not checked. [2025-03-17 15:51:38,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:51:38,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538206531] [2025-03-17 15:51:38,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538206531] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:51:38,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [921217706] [2025-03-17 15:51:38,694 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:51:38,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:51:38,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:51:38,695 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 15:51:38,697 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 15:51:38,737 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 444 statements into 1 equivalence classes. [2025-03-17 15:51:38,808 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 444 of 444 statements. [2025-03-17 15:51:38,808 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:51:38,808 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:51:38,811 INFO L256 TraceCheckSpWp]: Trace formula consists of 828 conjuncts, 25 conjuncts are in the unsatisfiable core [2025-03-17 15:51:38,822 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:51:39,149 INFO L134 CoverageAnalysis]: Checked inductivity of 13284 backedges. 327 proven. 609 refuted. 0 times theorem prover too weak. 12348 trivial. 0 not checked. [2025-03-17 15:51:39,149 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:51:39,511 INFO L134 CoverageAnalysis]: Checked inductivity of 13284 backedges. 327 proven. 609 refuted. 0 times theorem prover too weak. 12348 trivial. 0 not checked. [2025-03-17 15:51:39,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [921217706] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:51:39,511 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:51:39,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 10, 11] total 22 [2025-03-17 15:51:39,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608951260] [2025-03-17 15:51:39,511 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:51:39,512 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2025-03-17 15:51:39,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:51:39,513 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2025-03-17 15:51:39,513 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=434, Unknown=0, NotChecked=0, Total=506 [2025-03-17 15:51:39,513 INFO L87 Difference]: Start difference. First operand 157 states and 246 transitions. Second operand has 23 states, 21 states have (on average 4.9523809523809526) internal successors, (104), 23 states have internal predecessors, (104), 11 states have call successors, (236), 1 states have call predecessors, (236), 2 states have return successors, (238), 11 states have call predecessors, (238), 11 states have call successors, (238) [2025-03-17 15:51:40,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:51:40,233 INFO L93 Difference]: Finished difference Result 161 states and 251 transitions. [2025-03-17 15:51:40,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-17 15:51:40,233 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 21 states have (on average 4.9523809523809526) internal successors, (104), 23 states have internal predecessors, (104), 11 states have call successors, (236), 1 states have call predecessors, (236), 2 states have return successors, (238), 11 states have call predecessors, (238), 11 states have call successors, (238) Word has length 444 [2025-03-17 15:51:40,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:51:40,235 INFO L225 Difference]: With dead ends: 161 [2025-03-17 15:51:40,235 INFO L226 Difference]: Without dead ends: 160 [2025-03-17 15:51:40,235 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 901 GetRequests, 873 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=153, Invalid=717, Unknown=0, NotChecked=0, Total=870 [2025-03-17 15:51:40,236 INFO L435 NwaCegarLoop]: 144 mSDtfsCounter, 109 mSDsluCounter, 1527 mSDsCounter, 0 mSdLazyCounter, 1432 mSolverCounterSat, 153 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 1671 SdHoareTripleChecker+Invalid, 1585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 153 IncrementalHoareTripleChecker+Valid, 1432 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-17 15:51:40,236 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 1671 Invalid, 1585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [153 Valid, 1432 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-17 15:51:40,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2025-03-17 15:51:40,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 156. [2025-03-17 15:51:40,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 61 states have (on average 1.2295081967213115) internal successors, (75), 69 states have internal predecessors, (75), 85 states have call successors, (85), 1 states have call predecessors, (85), 1 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2025-03-17 15:51:40,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 245 transitions. [2025-03-17 15:51:40,265 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 245 transitions. Word has length 444 [2025-03-17 15:51:40,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:51:40,265 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 245 transitions. [2025-03-17 15:51:40,266 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 21 states have (on average 4.9523809523809526) internal successors, (104), 23 states have internal predecessors, (104), 11 states have call successors, (236), 1 states have call predecessors, (236), 2 states have return successors, (238), 11 states have call predecessors, (238), 11 states have call successors, (238) [2025-03-17 15:51:40,266 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 245 transitions. [2025-03-17 15:51:40,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 450 [2025-03-17 15:51:40,268 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:51:40,269 INFO L218 NwaCegarLoop]: trace histogram [83, 83, 83, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:51:40,276 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2025-03-17 15:51:40,470 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,SelfDestructingSolverStorable13 [2025-03-17 15:51:40,470 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-03-17 15:51:40,470 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:51:40,471 INFO L85 PathProgramCache]: Analyzing trace with hash 461014753, now seen corresponding path program 1 times [2025-03-17 15:51:40,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:51:40,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932974867] [2025-03-17 15:51:40,471 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:51:40,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:51:40,483 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 449 statements into 1 equivalence classes. [2025-03-17 15:51:40,504 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 449 of 449 statements. [2025-03-17 15:51:40,504 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:51:40,504 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:51:40,626 INFO L134 CoverageAnalysis]: Checked inductivity of 13612 backedges. 24 proven. 222 refuted. 0 times theorem prover too weak. 13366 trivial. 0 not checked. [2025-03-17 15:51:40,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:51:40,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932974867] [2025-03-17 15:51:40,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932974867] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:51:40,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1990542683] [2025-03-17 15:51:40,626 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:51:40,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:51:40,627 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:51:40,629 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 15:51:40,631 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 15:51:40,673 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 449 statements into 1 equivalence classes. [2025-03-17 15:51:40,742 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 449 of 449 statements. [2025-03-17 15:51:40,742 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:51:40,742 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:51:40,745 INFO L256 TraceCheckSpWp]: Trace formula consists of 840 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-03-17 15:51:40,749 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:51:41,099 INFO L134 CoverageAnalysis]: Checked inductivity of 13612 backedges. 348 proven. 600 refuted. 0 times theorem prover too weak. 12664 trivial. 0 not checked. [2025-03-17 15:51:41,099 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:51:41,435 INFO L134 CoverageAnalysis]: Checked inductivity of 13612 backedges. 348 proven. 600 refuted. 0 times theorem prover too weak. 12664 trivial. 0 not checked. [2025-03-17 15:51:41,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1990542683] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:51:41,435 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:51:41,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 10] total 19 [2025-03-17 15:51:41,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520083290] [2025-03-17 15:51:41,435 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:51:41,436 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2025-03-17 15:51:41,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:51:41,436 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2025-03-17 15:51:41,436 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=316, Unknown=0, NotChecked=0, Total=380 [2025-03-17 15:51:41,437 INFO L87 Difference]: Start difference. First operand 156 states and 245 transitions. Second operand has 20 states, 18 states have (on average 5.666666666666667) internal successors, (102), 17 states have internal predecessors, (102), 11 states have call successors, (235), 1 states have call predecessors, (235), 2 states have return successors, (237), 11 states have call predecessors, (237), 11 states have call successors, (237) [2025-03-17 15:51:41,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:51:41,951 INFO L93 Difference]: Finished difference Result 160 states and 252 transitions. [2025-03-17 15:51:41,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-17 15:51:41,952 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 18 states have (on average 5.666666666666667) internal successors, (102), 17 states have internal predecessors, (102), 11 states have call successors, (235), 1 states have call predecessors, (235), 2 states have return successors, (237), 11 states have call predecessors, (237), 11 states have call successors, (237) Word has length 449 [2025-03-17 15:51:41,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:51:41,953 INFO L225 Difference]: With dead ends: 160 [2025-03-17 15:51:41,953 INFO L226 Difference]: Without dead ends: 159 [2025-03-17 15:51:41,953 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 908 GetRequests, 883 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=146, Invalid=556, Unknown=0, NotChecked=0, Total=702 [2025-03-17 15:51:41,954 INFO L435 NwaCegarLoop]: 146 mSDtfsCounter, 129 mSDsluCounter, 1400 mSDsCounter, 0 mSdLazyCounter, 1132 mSolverCounterSat, 147 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 1546 SdHoareTripleChecker+Invalid, 1279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 147 IncrementalHoareTripleChecker+Valid, 1132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-17 15:51:41,954 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 1546 Invalid, 1279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [147 Valid, 1132 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-17 15:51:41,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2025-03-17 15:51:41,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 155. [2025-03-17 15:51:41,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 61 states have (on average 1.2131147540983607) internal successors, (74), 68 states have internal predecessors, (74), 85 states have call successors, (85), 1 states have call predecessors, (85), 1 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2025-03-17 15:51:41,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 244 transitions. [2025-03-17 15:51:41,967 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 244 transitions. Word has length 449 [2025-03-17 15:51:41,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:51:41,967 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 244 transitions. [2025-03-17 15:51:41,968 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 18 states have (on average 5.666666666666667) internal successors, (102), 17 states have internal predecessors, (102), 11 states have call successors, (235), 1 states have call predecessors, (235), 2 states have return successors, (237), 11 states have call predecessors, (237), 11 states have call successors, (237) [2025-03-17 15:51:41,968 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 244 transitions. [2025-03-17 15:51:41,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 451 [2025-03-17 15:51:41,969 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:51:41,969 INFO L218 NwaCegarLoop]: trace histogram [83, 83, 83, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:51:41,977 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 15:51:42,174 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:51:42,174 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-03-17 15:51:42,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:51:42,175 INFO L85 PathProgramCache]: Analyzing trace with hash 1406555458, now seen corresponding path program 1 times [2025-03-17 15:51:42,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:51:42,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140720715] [2025-03-17 15:51:42,175 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:51:42,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:51:42,182 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 450 statements into 1 equivalence classes. [2025-03-17 15:51:42,200 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 450 of 450 statements. [2025-03-17 15:51:42,201 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:51:42,201 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:51:42,323 INFO L134 CoverageAnalysis]: Checked inductivity of 13612 backedges. 30 proven. 216 refuted. 0 times theorem prover too weak. 13366 trivial. 0 not checked. [2025-03-17 15:51:42,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:51:42,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140720715] [2025-03-17 15:51:42,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [140720715] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:51:42,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [90015763] [2025-03-17 15:51:42,324 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:51:42,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:51:42,325 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:51:42,326 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 15:51:42,328 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 15:51:42,368 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 450 statements into 1 equivalence classes. [2025-03-17 15:51:42,446 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 450 of 450 statements. [2025-03-17 15:51:42,446 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:51:42,446 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:51:42,449 INFO L256 TraceCheckSpWp]: Trace formula consists of 841 conjuncts, 93 conjuncts are in the unsatisfiable core [2025-03-17 15:51:42,454 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:51:45,425 INFO L134 CoverageAnalysis]: Checked inductivity of 13612 backedges. 2064 proven. 996 refuted. 0 times theorem prover too weak. 10552 trivial. 0 not checked. [2025-03-17 15:51:45,425 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:51:53,530 INFO L134 CoverageAnalysis]: Checked inductivity of 13612 backedges. 2064 proven. 996 refuted. 0 times theorem prover too weak. 10552 trivial. 0 not checked. [2025-03-17 15:51:53,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [90015763] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:51:53,530 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:51:53,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 28, 31] total 58 [2025-03-17 15:51:53,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033744517] [2025-03-17 15:51:53,530 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:51:53,531 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 59 states [2025-03-17 15:51:53,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:51:53,532 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2025-03-17 15:51:53,533 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=357, Invalid=3065, Unknown=0, NotChecked=0, Total=3422 [2025-03-17 15:51:53,533 INFO L87 Difference]: Start difference. First operand 155 states and 244 transitions. Second operand has 59 states, 41 states have (on average 2.658536585365854) internal successors, (109), 47 states have internal predecessors, (109), 35 states have call successors, (245), 1 states have call predecessors, (245), 2 states have return successors, (247), 34 states have call predecessors, (247), 35 states have call successors, (247) [2025-03-17 15:51:56,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:51:56,920 INFO L93 Difference]: Finished difference Result 180 states and 277 transitions. [2025-03-17 15:51:56,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2025-03-17 15:51:56,921 INFO L78 Accepts]: Start accepts. Automaton has has 59 states, 41 states have (on average 2.658536585365854) internal successors, (109), 47 states have internal predecessors, (109), 35 states have call successors, (245), 1 states have call predecessors, (245), 2 states have return successors, (247), 34 states have call predecessors, (247), 35 states have call successors, (247) Word has length 450 [2025-03-17 15:51:56,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:51:56,922 INFO L225 Difference]: With dead ends: 180 [2025-03-17 15:51:56,923 INFO L226 Difference]: Without dead ends: 179 [2025-03-17 15:51:56,924 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 935 GetRequests, 846 SyntacticMatches, 0 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1725 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=939, Invalid=7251, Unknown=0, NotChecked=0, Total=8190 [2025-03-17 15:51:56,925 INFO L435 NwaCegarLoop]: 129 mSDtfsCounter, 122 mSDsluCounter, 2373 mSDsCounter, 0 mSdLazyCounter, 3267 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 2502 SdHoareTripleChecker+Invalid, 3368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 3267 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2025-03-17 15:51:56,925 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 2502 Invalid, 3368 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 3267 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2025-03-17 15:51:56,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2025-03-17 15:51:56,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 154. [2025-03-17 15:51:56,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 61 states have (on average 1.1967213114754098) internal successors, (73), 67 states have internal predecessors, (73), 85 states have call successors, (85), 1 states have call predecessors, (85), 1 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2025-03-17 15:51:56,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 243 transitions. [2025-03-17 15:51:56,943 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 243 transitions. Word has length 450 [2025-03-17 15:51:56,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:51:56,944 INFO L471 AbstractCegarLoop]: Abstraction has 154 states and 243 transitions. [2025-03-17 15:51:56,944 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 59 states, 41 states have (on average 2.658536585365854) internal successors, (109), 47 states have internal predecessors, (109), 35 states have call successors, (245), 1 states have call predecessors, (245), 2 states have return successors, (247), 34 states have call predecessors, (247), 35 states have call successors, (247) [2025-03-17 15:51:56,944 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 243 transitions. [2025-03-17 15:51:56,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 454 [2025-03-17 15:51:56,946 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:51:56,946 INFO L218 NwaCegarLoop]: trace histogram [83, 83, 83, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:51:56,954 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2025-03-17 15:51:57,146 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2025-03-17 15:51:57,147 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-03-17 15:51:57,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:51:57,147 INFO L85 PathProgramCache]: Analyzing trace with hash 992711422, now seen corresponding path program 1 times [2025-03-17 15:51:57,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:51:57,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807181069] [2025-03-17 15:51:57,147 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:51:57,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:51:57,154 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 453 statements into 1 equivalence classes. [2025-03-17 15:51:57,168 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 453 of 453 statements. [2025-03-17 15:51:57,169 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:51:57,169 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:51:57,340 INFO L134 CoverageAnalysis]: Checked inductivity of 13612 backedges. 54 proven. 432 refuted. 0 times theorem prover too weak. 13126 trivial. 0 not checked. [2025-03-17 15:51:57,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:51:57,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807181069] [2025-03-17 15:51:57,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807181069] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:51:57,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [878578000] [2025-03-17 15:51:57,341 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:51:57,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:51:57,341 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:51:57,343 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 15:51:57,344 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 15:51:57,387 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 453 statements into 1 equivalence classes. [2025-03-17 15:51:57,453 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 453 of 453 statements. [2025-03-17 15:51:57,453 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:51:57,453 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:51:57,456 INFO L256 TraceCheckSpWp]: Trace formula consists of 846 conjuncts, 25 conjuncts are in the unsatisfiable core [2025-03-17 15:51:57,460 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:51:57,806 INFO L134 CoverageAnalysis]: Checked inductivity of 13612 backedges. 348 proven. 600 refuted. 0 times theorem prover too weak. 12664 trivial. 0 not checked. [2025-03-17 15:51:57,806 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:51:58,152 INFO L134 CoverageAnalysis]: Checked inductivity of 13612 backedges. 348 proven. 600 refuted. 0 times theorem prover too weak. 12664 trivial. 0 not checked. [2025-03-17 15:51:58,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [878578000] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:51:58,152 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:51:58,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 10, 11] total 22 [2025-03-17 15:51:58,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355070405] [2025-03-17 15:51:58,152 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:51:58,153 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2025-03-17 15:51:58,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:51:58,154 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2025-03-17 15:51:58,154 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=434, Unknown=0, NotChecked=0, Total=506 [2025-03-17 15:51:58,154 INFO L87 Difference]: Start difference. First operand 154 states and 243 transitions. Second operand has 23 states, 21 states have (on average 5.428571428571429) internal successors, (114), 23 states have internal predecessors, (114), 11 states have call successors, (235), 1 states have call predecessors, (235), 2 states have return successors, (237), 11 states have call predecessors, (237), 11 states have call successors, (237) [2025-03-17 15:51:58,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:51:58,761 INFO L93 Difference]: Finished difference Result 158 states and 248 transitions. [2025-03-17 15:51:58,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-17 15:51:58,762 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 21 states have (on average 5.428571428571429) internal successors, (114), 23 states have internal predecessors, (114), 11 states have call successors, (235), 1 states have call predecessors, (235), 2 states have return successors, (237), 11 states have call predecessors, (237), 11 states have call successors, (237) Word has length 453 [2025-03-17 15:51:58,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:51:58,763 INFO L225 Difference]: With dead ends: 158 [2025-03-17 15:51:58,763 INFO L226 Difference]: Without dead ends: 157 [2025-03-17 15:51:58,764 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 919 GetRequests, 891 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=153, Invalid=717, Unknown=0, NotChecked=0, Total=870 [2025-03-17 15:51:58,764 INFO L435 NwaCegarLoop]: 141 mSDtfsCounter, 106 mSDsluCounter, 1442 mSDsCounter, 0 mSdLazyCounter, 1328 mSolverCounterSat, 150 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 1583 SdHoareTripleChecker+Invalid, 1478 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 150 IncrementalHoareTripleChecker+Valid, 1328 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-17 15:51:58,764 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 1583 Invalid, 1478 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [150 Valid, 1328 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-17 15:51:58,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2025-03-17 15:51:58,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 153. [2025-03-17 15:51:58,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 61 states have (on average 1.180327868852459) internal successors, (72), 66 states have internal predecessors, (72), 85 states have call successors, (85), 1 states have call predecessors, (85), 1 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2025-03-17 15:51:58,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 242 transitions. [2025-03-17 15:51:58,788 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 242 transitions. Word has length 453 [2025-03-17 15:51:58,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:51:58,789 INFO L471 AbstractCegarLoop]: Abstraction has 153 states and 242 transitions. [2025-03-17 15:51:58,790 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 21 states have (on average 5.428571428571429) internal successors, (114), 23 states have internal predecessors, (114), 11 states have call successors, (235), 1 states have call predecessors, (235), 2 states have return successors, (237), 11 states have call predecessors, (237), 11 states have call successors, (237) [2025-03-17 15:51:58,790 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 242 transitions. [2025-03-17 15:51:58,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 459 [2025-03-17 15:51:58,791 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:51:58,792 INFO L218 NwaCegarLoop]: trace histogram [84, 84, 84, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:51:58,799 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2025-03-17 15:51:58,992 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,SelfDestructingSolverStorable16 [2025-03-17 15:51:58,993 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-03-17 15:51:58,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:51:58,993 INFO L85 PathProgramCache]: Analyzing trace with hash 518188213, now seen corresponding path program 1 times [2025-03-17 15:51:58,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:51:58,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265165921] [2025-03-17 15:51:58,993 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:51:58,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:51:59,000 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 458 statements into 1 equivalence classes. [2025-03-17 15:51:59,016 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 458 of 458 statements. [2025-03-17 15:51:59,016 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:51:59,016 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:51:59,140 INFO L134 CoverageAnalysis]: Checked inductivity of 13944 backedges. 30 proven. 219 refuted. 0 times theorem prover too weak. 13695 trivial. 0 not checked. [2025-03-17 15:51:59,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:51:59,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265165921] [2025-03-17 15:51:59,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265165921] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:51:59,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1426467252] [2025-03-17 15:51:59,140 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:51:59,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:51:59,140 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:51:59,142 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 15:51:59,143 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 15:51:59,182 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 458 statements into 1 equivalence classes. [2025-03-17 15:51:59,246 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 458 of 458 statements. [2025-03-17 15:51:59,246 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:51:59,246 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:51:59,249 INFO L256 TraceCheckSpWp]: Trace formula consists of 858 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-03-17 15:51:59,253 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:51:59,576 INFO L134 CoverageAnalysis]: Checked inductivity of 13944 backedges. 369 proven. 591 refuted. 0 times theorem prover too weak. 12984 trivial. 0 not checked. [2025-03-17 15:51:59,576 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:51:59,907 INFO L134 CoverageAnalysis]: Checked inductivity of 13944 backedges. 369 proven. 591 refuted. 0 times theorem prover too weak. 12984 trivial. 0 not checked. [2025-03-17 15:51:59,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1426467252] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:51:59,907 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:51:59,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 10] total 19 [2025-03-17 15:51:59,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733152275] [2025-03-17 15:51:59,907 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:51:59,908 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2025-03-17 15:51:59,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:51:59,909 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2025-03-17 15:51:59,909 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=316, Unknown=0, NotChecked=0, Total=380 [2025-03-17 15:51:59,909 INFO L87 Difference]: Start difference. First operand 153 states and 242 transitions. Second operand has 20 states, 18 states have (on average 6.222222222222222) internal successors, (112), 17 states have internal predecessors, (112), 11 states have call successors, (234), 1 states have call predecessors, (234), 2 states have return successors, (236), 11 states have call predecessors, (236), 11 states have call successors, (236) [2025-03-17 15:52:00,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:52:00,466 INFO L93 Difference]: Finished difference Result 157 states and 249 transitions. [2025-03-17 15:52:00,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-17 15:52:00,466 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 18 states have (on average 6.222222222222222) internal successors, (112), 17 states have internal predecessors, (112), 11 states have call successors, (234), 1 states have call predecessors, (234), 2 states have return successors, (236), 11 states have call predecessors, (236), 11 states have call successors, (236) Word has length 458 [2025-03-17 15:52:00,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:52:00,468 INFO L225 Difference]: With dead ends: 157 [2025-03-17 15:52:00,468 INFO L226 Difference]: Without dead ends: 156 [2025-03-17 15:52:00,468 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 926 GetRequests, 901 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=146, Invalid=556, Unknown=0, NotChecked=0, Total=702 [2025-03-17 15:52:00,469 INFO L435 NwaCegarLoop]: 143 mSDtfsCounter, 154 mSDsluCounter, 1218 mSDsCounter, 0 mSdLazyCounter, 1166 mSolverCounterSat, 144 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 1361 SdHoareTripleChecker+Invalid, 1310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 144 IncrementalHoareTripleChecker+Valid, 1166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-17 15:52:00,469 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 1361 Invalid, 1310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [144 Valid, 1166 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-17 15:52:00,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2025-03-17 15:52:00,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 152. [2025-03-17 15:52:00,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 61 states have (on average 1.1639344262295082) internal successors, (71), 65 states have internal predecessors, (71), 85 states have call successors, (85), 1 states have call predecessors, (85), 1 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2025-03-17 15:52:00,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 241 transitions. [2025-03-17 15:52:00,489 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 241 transitions. Word has length 458 [2025-03-17 15:52:00,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:52:00,489 INFO L471 AbstractCegarLoop]: Abstraction has 152 states and 241 transitions. [2025-03-17 15:52:00,489 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 18 states have (on average 6.222222222222222) internal successors, (112), 17 states have internal predecessors, (112), 11 states have call successors, (234), 1 states have call predecessors, (234), 2 states have return successors, (236), 11 states have call predecessors, (236), 11 states have call successors, (236) [2025-03-17 15:52:00,489 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 241 transitions. [2025-03-17 15:52:00,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 460 [2025-03-17 15:52:00,491 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:52:00,491 INFO L218 NwaCegarLoop]: trace histogram [84, 84, 84, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:52:00,498 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2025-03-17 15:52:00,691 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2025-03-17 15:52:00,692 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-03-17 15:52:00,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:52:00,692 INFO L85 PathProgramCache]: Analyzing trace with hash -1116034590, now seen corresponding path program 1 times [2025-03-17 15:52:00,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:52:00,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782863551] [2025-03-17 15:52:00,693 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:52:00,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:52:00,701 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 459 statements into 1 equivalence classes. [2025-03-17 15:52:00,718 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 459 of 459 statements. [2025-03-17 15:52:00,718 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:52:00,718 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:52:00,937 INFO L134 CoverageAnalysis]: Checked inductivity of 13944 backedges. 36 proven. 213 refuted. 0 times theorem prover too weak. 13695 trivial. 0 not checked. [2025-03-17 15:52:00,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:52:00,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782863551] [2025-03-17 15:52:00,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1782863551] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:52:00,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [357364908] [2025-03-17 15:52:00,938 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:52:00,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:52:00,938 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:52:00,940 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 15:52:00,940 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 15:52:00,980 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 459 statements into 1 equivalence classes. [2025-03-17 15:52:01,039 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 459 of 459 statements. [2025-03-17 15:52:01,039 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:52:01,039 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:52:01,042 INFO L256 TraceCheckSpWp]: Trace formula consists of 859 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-17 15:52:01,045 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:52:01,248 INFO L134 CoverageAnalysis]: Checked inductivity of 13944 backedges. 36 proven. 213 refuted. 0 times theorem prover too weak. 13695 trivial. 0 not checked. [2025-03-17 15:52:01,248 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:52:01,490 INFO L134 CoverageAnalysis]: Checked inductivity of 13944 backedges. 36 proven. 213 refuted. 0 times theorem prover too weak. 13695 trivial. 0 not checked. [2025-03-17 15:52:01,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [357364908] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:52:01,491 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:52:01,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 5, 5] total 14 [2025-03-17 15:52:01,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100379355] [2025-03-17 15:52:01,491 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:52:01,491 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-03-17 15:52:01,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:52:01,492 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-03-17 15:52:01,492 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2025-03-17 15:52:01,493 INFO L87 Difference]: Start difference. First operand 152 states and 241 transitions. Second operand has 15 states, 14 states have (on average 8.071428571428571) internal successors, (113), 15 states have internal predecessors, (113), 8 states have call successors, (234), 1 states have call predecessors, (234), 2 states have return successors, (235), 8 states have call predecessors, (235), 8 states have call successors, (235) [2025-03-17 15:52:02,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:52:02,122 INFO L93 Difference]: Finished difference Result 164 states and 257 transitions. [2025-03-17 15:52:02,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-17 15:52:02,123 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 8.071428571428571) internal successors, (113), 15 states have internal predecessors, (113), 8 states have call successors, (234), 1 states have call predecessors, (234), 2 states have return successors, (235), 8 states have call predecessors, (235), 8 states have call successors, (235) Word has length 459 [2025-03-17 15:52:02,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:52:02,124 INFO L225 Difference]: With dead ends: 164 [2025-03-17 15:52:02,125 INFO L226 Difference]: Without dead ends: 163 [2025-03-17 15:52:02,125 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 937 GetRequests, 913 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=102, Invalid=498, Unknown=0, NotChecked=0, Total=600 [2025-03-17 15:52:02,125 INFO L435 NwaCegarLoop]: 134 mSDtfsCounter, 89 mSDsluCounter, 1120 mSDsCounter, 0 mSdLazyCounter, 1497 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 1254 SdHoareTripleChecker+Invalid, 1571 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 1497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-17 15:52:02,125 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 1254 Invalid, 1571 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 1497 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-17 15:52:02,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2025-03-17 15:52:02,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 151. [2025-03-17 15:52:02,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 61 states have (on average 1.1475409836065573) internal successors, (70), 64 states have internal predecessors, (70), 85 states have call successors, (85), 1 states have call predecessors, (85), 1 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2025-03-17 15:52:02,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 240 transitions. [2025-03-17 15:52:02,145 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 240 transitions. Word has length 459 [2025-03-17 15:52:02,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:52:02,145 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 240 transitions. [2025-03-17 15:52:02,145 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 8.071428571428571) internal successors, (113), 15 states have internal predecessors, (113), 8 states have call successors, (234), 1 states have call predecessors, (234), 2 states have return successors, (235), 8 states have call predecessors, (235), 8 states have call successors, (235) [2025-03-17 15:52:02,145 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 240 transitions. [2025-03-17 15:52:02,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 463 [2025-03-17 15:52:02,147 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:52:02,147 INFO L218 NwaCegarLoop]: trace histogram [84, 84, 84, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:52:02,154 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2025-03-17 15:52:02,349 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:52:02,349 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-03-17 15:52:02,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:52:02,350 INFO L85 PathProgramCache]: Analyzing trace with hash -444642350, now seen corresponding path program 1 times [2025-03-17 15:52:02,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:52:02,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045934874] [2025-03-17 15:52:02,350 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:52:02,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:52:02,357 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 462 statements into 1 equivalence classes. [2025-03-17 15:52:02,372 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 462 of 462 statements. [2025-03-17 15:52:02,372 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:52:02,372 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:52:02,562 INFO L134 CoverageAnalysis]: Checked inductivity of 13944 backedges. 66 proven. 426 refuted. 0 times theorem prover too weak. 13452 trivial. 0 not checked. [2025-03-17 15:52:02,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:52:02,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045934874] [2025-03-17 15:52:02,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045934874] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:52:02,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1110259980] [2025-03-17 15:52:02,562 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:52:02,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:52:02,562 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:52:02,565 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 15:52:02,566 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 15:52:02,605 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 462 statements into 1 equivalence classes. [2025-03-17 15:52:02,668 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 462 of 462 statements. [2025-03-17 15:52:02,668 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:52:02,668 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:52:02,671 INFO L256 TraceCheckSpWp]: Trace formula consists of 864 conjuncts, 25 conjuncts are in the unsatisfiable core [2025-03-17 15:52:02,675 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:52:03,000 INFO L134 CoverageAnalysis]: Checked inductivity of 13944 backedges. 369 proven. 591 refuted. 0 times theorem prover too weak. 12984 trivial. 0 not checked. [2025-03-17 15:52:03,000 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:52:03,340 INFO L134 CoverageAnalysis]: Checked inductivity of 13944 backedges. 369 proven. 591 refuted. 0 times theorem prover too weak. 12984 trivial. 0 not checked. [2025-03-17 15:52:03,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1110259980] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:52:03,340 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:52:03,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 10, 11] total 22 [2025-03-17 15:52:03,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481388029] [2025-03-17 15:52:03,340 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:52:03,341 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2025-03-17 15:52:03,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:52:03,342 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2025-03-17 15:52:03,342 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=434, Unknown=0, NotChecked=0, Total=506 [2025-03-17 15:52:03,342 INFO L87 Difference]: Start difference. First operand 151 states and 240 transitions. Second operand has 23 states, 21 states have (on average 5.904761904761905) internal successors, (124), 23 states have internal predecessors, (124), 11 states have call successors, (234), 1 states have call predecessors, (234), 2 states have return successors, (236), 11 states have call predecessors, (236), 11 states have call successors, (236) [2025-03-17 15:52:03,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:52:03,879 INFO L93 Difference]: Finished difference Result 155 states and 245 transitions. [2025-03-17 15:52:03,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-17 15:52:03,880 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 21 states have (on average 5.904761904761905) internal successors, (124), 23 states have internal predecessors, (124), 11 states have call successors, (234), 1 states have call predecessors, (234), 2 states have return successors, (236), 11 states have call predecessors, (236), 11 states have call successors, (236) Word has length 462 [2025-03-17 15:52:03,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:52:03,881 INFO L225 Difference]: With dead ends: 155 [2025-03-17 15:52:03,882 INFO L226 Difference]: Without dead ends: 154 [2025-03-17 15:52:03,882 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 937 GetRequests, 909 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=153, Invalid=717, Unknown=0, NotChecked=0, Total=870 [2025-03-17 15:52:03,882 INFO L435 NwaCegarLoop]: 138 mSDtfsCounter, 138 mSDsluCounter, 1179 mSDsCounter, 0 mSdLazyCounter, 1025 mSolverCounterSat, 149 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 1317 SdHoareTripleChecker+Invalid, 1174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 149 IncrementalHoareTripleChecker+Valid, 1025 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-17 15:52:03,882 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 1317 Invalid, 1174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [149 Valid, 1025 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-17 15:52:03,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2025-03-17 15:52:03,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 150. [2025-03-17 15:52:03,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 61 states have (on average 1.1311475409836065) internal successors, (69), 63 states have internal predecessors, (69), 85 states have call successors, (85), 1 states have call predecessors, (85), 1 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2025-03-17 15:52:03,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 239 transitions. [2025-03-17 15:52:03,904 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 239 transitions. Word has length 462 [2025-03-17 15:52:03,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:52:03,905 INFO L471 AbstractCegarLoop]: Abstraction has 150 states and 239 transitions. [2025-03-17 15:52:03,905 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 21 states have (on average 5.904761904761905) internal successors, (124), 23 states have internal predecessors, (124), 11 states have call successors, (234), 1 states have call predecessors, (234), 2 states have return successors, (236), 11 states have call predecessors, (236), 11 states have call successors, (236) [2025-03-17 15:52:03,905 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 239 transitions. [2025-03-17 15:52:03,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 468 [2025-03-17 15:52:03,907 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:52:03,907 INFO L218 NwaCegarLoop]: trace histogram [85, 85, 85, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:52:03,915 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2025-03-17 15:52:04,108 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:52:04,108 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-03-17 15:52:04,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:52:04,109 INFO L85 PathProgramCache]: Analyzing trace with hash 1727401549, now seen corresponding path program 1 times [2025-03-17 15:52:04,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:52:04,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123667922] [2025-03-17 15:52:04,109 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:52:04,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:52:04,116 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 467 statements into 1 equivalence classes. [2025-03-17 15:52:04,130 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 467 of 467 statements. [2025-03-17 15:52:04,131 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:52:04,131 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:52:04,254 INFO L134 CoverageAnalysis]: Checked inductivity of 14280 backedges. 36 proven. 216 refuted. 0 times theorem prover too weak. 14028 trivial. 0 not checked. [2025-03-17 15:52:04,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:52:04,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123667922] [2025-03-17 15:52:04,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1123667922] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:52:04,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1122469979] [2025-03-17 15:52:04,255 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:52:04,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:52:04,256 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:52:04,257 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 15:52:04,259 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 15:52:04,302 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 467 statements into 1 equivalence classes. [2025-03-17 15:52:04,376 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 467 of 467 statements. [2025-03-17 15:52:04,377 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:52:04,377 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:52:04,382 INFO L256 TraceCheckSpWp]: Trace formula consists of 876 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-17 15:52:04,385 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:52:04,581 INFO L134 CoverageAnalysis]: Checked inductivity of 14280 backedges. 36 proven. 216 refuted. 0 times theorem prover too weak. 14028 trivial. 0 not checked. [2025-03-17 15:52:04,582 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:52:04,834 INFO L134 CoverageAnalysis]: Checked inductivity of 14280 backedges. 36 proven. 216 refuted. 0 times theorem prover too weak. 14028 trivial. 0 not checked. [2025-03-17 15:52:04,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1122469979] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:52:04,835 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:52:04,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2025-03-17 15:52:04,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3665917] [2025-03-17 15:52:04,835 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:52:04,836 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-17 15:52:04,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:52:04,836 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-17 15:52:04,836 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2025-03-17 15:52:04,836 INFO L87 Difference]: Start difference. First operand 150 states and 239 transitions. Second operand has 10 states, 9 states have (on average 13.333333333333334) internal successors, (120), 8 states have internal predecessors, (120), 6 states have call successors, (228), 1 states have call predecessors, (228), 2 states have return successors, (229), 6 states have call predecessors, (229), 6 states have call successors, (229) [2025-03-17 15:52:05,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:52:05,065 INFO L93 Difference]: Finished difference Result 150 states and 239 transitions. [2025-03-17 15:52:05,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 15:52:05,066 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 13.333333333333334) internal successors, (120), 8 states have internal predecessors, (120), 6 states have call successors, (228), 1 states have call predecessors, (228), 2 states have return successors, (229), 6 states have call predecessors, (229), 6 states have call successors, (229) Word has length 467 [2025-03-17 15:52:05,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:52:05,067 INFO L225 Difference]: With dead ends: 150 [2025-03-17 15:52:05,067 INFO L226 Difference]: Without dead ends: 149 [2025-03-17 15:52:05,068 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 937 GetRequests, 929 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2025-03-17 15:52:05,068 INFO L435 NwaCegarLoop]: 147 mSDtfsCounter, 57 mSDsluCounter, 441 mSDsCounter, 0 mSdLazyCounter, 340 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 588 SdHoareTripleChecker+Invalid, 340 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 340 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:52:05,068 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 588 Invalid, 340 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 340 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:52:05,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2025-03-17 15:52:05,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2025-03-17 15:52:05,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 61 states have (on average 1.1147540983606556) internal successors, (68), 62 states have internal predecessors, (68), 85 states have call successors, (85), 1 states have call predecessors, (85), 1 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2025-03-17 15:52:05,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 238 transitions. [2025-03-17 15:52:05,090 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 238 transitions. Word has length 467 [2025-03-17 15:52:05,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:52:05,090 INFO L471 AbstractCegarLoop]: Abstraction has 149 states and 238 transitions. [2025-03-17 15:52:05,090 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 13.333333333333334) internal successors, (120), 8 states have internal predecessors, (120), 6 states have call successors, (228), 1 states have call predecessors, (228), 2 states have return successors, (229), 6 states have call predecessors, (229), 6 states have call successors, (229) [2025-03-17 15:52:05,091 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 238 transitions. [2025-03-17 15:52:05,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2025-03-17 15:52:05,092 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:52:05,093 INFO L218 NwaCegarLoop]: trace histogram [85, 85, 85, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:52:05,101 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2025-03-17 15:52:05,293 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,SelfDestructingSolverStorable20 [2025-03-17 15:52:05,295 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-03-17 15:52:05,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:52:05,295 INFO L85 PathProgramCache]: Analyzing trace with hash 2009840446, now seen corresponding path program 1 times [2025-03-17 15:52:05,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:52:05,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168779143] [2025-03-17 15:52:05,295 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:52:05,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:52:05,305 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 468 statements into 1 equivalence classes. [2025-03-17 15:52:05,318 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 468 of 468 statements. [2025-03-17 15:52:05,319 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:52:05,319 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:52:05,586 INFO L134 CoverageAnalysis]: Checked inductivity of 14280 backedges. 42 proven. 210 refuted. 0 times theorem prover too weak. 14028 trivial. 0 not checked. [2025-03-17 15:52:05,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:52:05,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168779143] [2025-03-17 15:52:05,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168779143] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:52:05,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1061556939] [2025-03-17 15:52:05,587 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:52:05,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:52:05,587 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:52:05,588 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 15:52:05,589 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 15:52:05,638 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 468 statements into 1 equivalence classes. [2025-03-17 15:52:05,712 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 468 of 468 statements. [2025-03-17 15:52:05,712 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:52:05,712 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:52:05,715 INFO L256 TraceCheckSpWp]: Trace formula consists of 877 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-17 15:52:05,720 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:52:05,923 INFO L134 CoverageAnalysis]: Checked inductivity of 14280 backedges. 42 proven. 210 refuted. 0 times theorem prover too weak. 14028 trivial. 0 not checked. [2025-03-17 15:52:05,924 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:52:06,222 INFO L134 CoverageAnalysis]: Checked inductivity of 14280 backedges. 42 proven. 210 refuted. 0 times theorem prover too weak. 14028 trivial. 0 not checked. [2025-03-17 15:52:06,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1061556939] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:52:06,222 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:52:06,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 5, 5] total 16 [2025-03-17 15:52:06,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139748105] [2025-03-17 15:52:06,222 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:52:06,223 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-03-17 15:52:06,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:52:06,224 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-03-17 15:52:06,224 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=237, Unknown=0, NotChecked=0, Total=272 [2025-03-17 15:52:06,224 INFO L87 Difference]: Start difference. First operand 149 states and 238 transitions. Second operand has 17 states, 16 states have (on average 7.75) internal successors, (124), 17 states have internal predecessors, (124), 9 states have call successors, (235), 1 states have call predecessors, (235), 2 states have return successors, (236), 9 states have call predecessors, (236), 9 states have call successors, (236) [2025-03-17 15:52:07,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:52:07,078 INFO L93 Difference]: Finished difference Result 168 states and 263 transitions. [2025-03-17 15:52:07,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-03-17 15:52:07,078 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 7.75) internal successors, (124), 17 states have internal predecessors, (124), 9 states have call successors, (235), 1 states have call predecessors, (235), 2 states have return successors, (236), 9 states have call predecessors, (236), 9 states have call successors, (236) Word has length 468 [2025-03-17 15:52:07,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:52:07,080 INFO L225 Difference]: With dead ends: 168 [2025-03-17 15:52:07,080 INFO L226 Difference]: Without dead ends: 167 [2025-03-17 15:52:07,080 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 960 GetRequests, 931 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=127, Invalid=743, Unknown=0, NotChecked=0, Total=870 [2025-03-17 15:52:07,081 INFO L435 NwaCegarLoop]: 125 mSDtfsCounter, 88 mSDsluCounter, 1282 mSDsCounter, 0 mSdLazyCounter, 1792 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 1407 SdHoareTripleChecker+Invalid, 1866 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 1792 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-03-17 15:52:07,081 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 1407 Invalid, 1866 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 1792 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-03-17 15:52:07,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2025-03-17 15:52:07,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 148. [2025-03-17 15:52:07,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 61 states have (on average 1.098360655737705) internal successors, (67), 61 states have internal predecessors, (67), 85 states have call successors, (85), 1 states have call predecessors, (85), 1 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2025-03-17 15:52:07,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 237 transitions. [2025-03-17 15:52:07,110 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 237 transitions. Word has length 468 [2025-03-17 15:52:07,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:52:07,110 INFO L471 AbstractCegarLoop]: Abstraction has 148 states and 237 transitions. [2025-03-17 15:52:07,110 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 7.75) internal successors, (124), 17 states have internal predecessors, (124), 9 states have call successors, (235), 1 states have call predecessors, (235), 2 states have return successors, (236), 9 states have call predecessors, (236), 9 states have call successors, (236) [2025-03-17 15:52:07,110 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 237 transitions. [2025-03-17 15:52:07,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 472 [2025-03-17 15:52:07,112 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:52:07,112 INFO L218 NwaCegarLoop]: trace histogram [85, 85, 85, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:52:07,121 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2025-03-17 15:52:07,313 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2025-03-17 15:52:07,313 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-03-17 15:52:07,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:52:07,314 INFO L85 PathProgramCache]: Analyzing trace with hash -982368662, now seen corresponding path program 1 times [2025-03-17 15:52:07,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:52:07,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264886896] [2025-03-17 15:52:07,314 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:52:07,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:52:07,323 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 471 statements into 1 equivalence classes. [2025-03-17 15:52:07,335 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 471 of 471 statements. [2025-03-17 15:52:07,336 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:52:07,336 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:52:07,505 INFO L134 CoverageAnalysis]: Checked inductivity of 14280 backedges. 36 proven. 216 refuted. 0 times theorem prover too weak. 14028 trivial. 0 not checked. [2025-03-17 15:52:07,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:52:07,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264886896] [2025-03-17 15:52:07,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264886896] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:52:07,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1684843783] [2025-03-17 15:52:07,506 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:52:07,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:52:07,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:52:07,508 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 15:52:07,510 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 15:52:07,554 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 471 statements into 1 equivalence classes. [2025-03-17 15:52:07,622 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 471 of 471 statements. [2025-03-17 15:52:07,622 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:52:07,622 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:52:07,625 INFO L256 TraceCheckSpWp]: Trace formula consists of 882 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-17 15:52:07,629 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:52:07,812 INFO L134 CoverageAnalysis]: Checked inductivity of 14280 backedges. 36 proven. 216 refuted. 0 times theorem prover too weak. 14028 trivial. 0 not checked. [2025-03-17 15:52:07,812 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:52:08,056 INFO L134 CoverageAnalysis]: Checked inductivity of 14280 backedges. 36 proven. 216 refuted. 0 times theorem prover too weak. 14028 trivial. 0 not checked. [2025-03-17 15:52:08,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1684843783] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:52:08,057 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:52:08,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 8 [2025-03-17 15:52:08,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204455559] [2025-03-17 15:52:08,057 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:52:08,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-17 15:52:08,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:52:08,058 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-17 15:52:08,058 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2025-03-17 15:52:08,058 INFO L87 Difference]: Start difference. First operand 148 states and 237 transitions. Second operand has 9 states, 8 states have (on average 11.25) internal successors, (90), 8 states have internal predecessors, (90), 4 states have call successors, (156), 1 states have call predecessors, (156), 2 states have return successors, (156), 4 states have call predecessors, (156), 4 states have call successors, (156) [2025-03-17 15:52:08,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:52:08,335 INFO L93 Difference]: Finished difference Result 148 states and 237 transitions. [2025-03-17 15:52:08,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-17 15:52:08,336 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 11.25) internal successors, (90), 8 states have internal predecessors, (90), 4 states have call successors, (156), 1 states have call predecessors, (156), 2 states have return successors, (156), 4 states have call predecessors, (156), 4 states have call successors, (156) Word has length 471 [2025-03-17 15:52:08,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:52:08,336 INFO L225 Difference]: With dead ends: 148 [2025-03-17 15:52:08,336 INFO L226 Difference]: Without dead ends: 0 [2025-03-17 15:52:08,337 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 946 GetRequests, 937 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2025-03-17 15:52:08,338 INFO L435 NwaCegarLoop]: 144 mSDtfsCounter, 54 mSDsluCounter, 349 mSDsCounter, 0 mSdLazyCounter, 434 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 493 SdHoareTripleChecker+Invalid, 434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 434 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:52:08,338 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 493 Invalid, 434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 434 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:52:08,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-03-17 15:52:08,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-03-17 15:52:08,338 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 15:52:08,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-03-17 15:52:08,340 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 471 [2025-03-17 15:52:08,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:52:08,340 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-17 15:52:08,341 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 11.25) internal successors, (90), 8 states have internal predecessors, (90), 4 states have call successors, (156), 1 states have call predecessors, (156), 2 states have return successors, (156), 4 states have call predecessors, (156), 4 states have call successors, (156) [2025-03-17 15:52:08,341 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-03-17 15:52:08,341 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-03-17 15:52:08,344 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 28 remaining) [2025-03-17 15:52:08,344 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 28 remaining) [2025-03-17 15:52:08,344 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 28 remaining) [2025-03-17 15:52:08,344 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 28 remaining) [2025-03-17 15:52:08,344 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 28 remaining) [2025-03-17 15:52:08,344 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 28 remaining) [2025-03-17 15:52:08,344 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 28 remaining) [2025-03-17 15:52:08,344 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 28 remaining) [2025-03-17 15:52:08,344 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 28 remaining) [2025-03-17 15:52:08,344 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 28 remaining) [2025-03-17 15:52:08,344 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 28 remaining) [2025-03-17 15:52:08,344 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 28 remaining) [2025-03-17 15:52:08,344 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 28 remaining) [2025-03-17 15:52:08,344 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 28 remaining) [2025-03-17 15:52:08,344 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 28 remaining) [2025-03-17 15:52:08,344 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 28 remaining) [2025-03-17 15:52:08,344 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 28 remaining) [2025-03-17 15:52:08,344 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 28 remaining) [2025-03-17 15:52:08,344 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 28 remaining) [2025-03-17 15:52:08,344 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 28 remaining) [2025-03-17 15:52:08,345 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 28 remaining) [2025-03-17 15:52:08,345 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 28 remaining) [2025-03-17 15:52:08,345 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 28 remaining) [2025-03-17 15:52:08,345 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 28 remaining) [2025-03-17 15:52:08,345 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 28 remaining) [2025-03-17 15:52:08,345 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 28 remaining) [2025-03-17 15:52:08,345 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 28 remaining) [2025-03-17 15:52:08,345 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 28 remaining) [2025-03-17 15:52:08,352 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2025-03-17 15:52:08,545 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:52:08,555 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] [2025-03-17 15:52:08,556 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-03-17 15:52:13,166 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-17 15:52:13,171 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.03 03:52:13 BoogieIcfgContainer [2025-03-17 15:52:13,171 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-17 15:52:13,172 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-17 15:52:13,172 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-17 15:52:13,172 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-17 15:52:13,173 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 03:51:17" (3/4) ... [2025-03-17 15:52:13,175 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-17 15:52:13,181 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure assume [2025-03-17 15:52:13,185 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2025-03-17 15:52:13,186 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-03-17 15:52:13,186 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-17 15:52:13,187 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-17 15:52:13,273 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-17 15:52:13,274 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-17 15:52:13,274 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-17 15:52:13,274 INFO L158 Benchmark]: Toolchain (without parser) took 56001.04ms. Allocated memory is still 201.3MB. Free memory was 154.9MB in the beginning and 155.9MB in the end (delta: -983.0kB). Peak memory consumption was 108.9MB. Max. memory is 16.1GB. [2025-03-17 15:52:13,275 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 201.3MB. Free memory is still 120.4MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 15:52:13,276 INFO L158 Benchmark]: CACSL2BoogieTranslator took 207.58ms. Allocated memory is still 201.3MB. Free memory was 154.9MB in the beginning and 142.1MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-17 15:52:13,276 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.11ms. Allocated memory is still 201.3MB. Free memory was 142.1MB in the beginning and 140.2MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-17 15:52:13,276 INFO L158 Benchmark]: Boogie Preprocessor took 42.08ms. Allocated memory is still 201.3MB. Free memory was 140.2MB in the beginning and 138.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 15:52:13,276 INFO L158 Benchmark]: IcfgBuilder took 389.91ms. Allocated memory is still 201.3MB. Free memory was 138.6MB in the beginning and 113.4MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-17 15:52:13,276 INFO L158 Benchmark]: TraceAbstraction took 55215.02ms. Allocated memory is still 201.3MB. Free memory was 113.0MB in the beginning and 55.7MB in the end (delta: 57.4MB). Peak memory consumption was 74.5MB. Max. memory is 16.1GB. [2025-03-17 15:52:13,276 INFO L158 Benchmark]: Witness Printer took 101.93ms. Allocated memory is still 201.3MB. Free memory was 55.7MB in the beginning and 155.9MB in the end (delta: -100.3MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. [2025-03-17 15:52:13,277 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 201.3MB. Free memory is still 120.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 207.58ms. Allocated memory is still 201.3MB. Free memory was 154.9MB in the beginning and 142.1MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.11ms. Allocated memory is still 201.3MB. Free memory was 142.1MB in the beginning and 140.2MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.08ms. Allocated memory is still 201.3MB. Free memory was 140.2MB in the beginning and 138.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 389.91ms. Allocated memory is still 201.3MB. Free memory was 138.6MB in the beginning and 113.4MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 55215.02ms. Allocated memory is still 201.3MB. Free memory was 113.0MB in the beginning and 55.7MB in the end (delta: 57.4MB). Peak memory consumption was 74.5MB. Max. memory is 16.1GB. * Witness Printer took 101.93ms. Allocated memory is still 201.3MB. Free memory was 55.7MB in the beginning and 155.9MB in the end (delta: -100.3MB). Peak memory consumption was 8.8MB. 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: 157]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 157]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 156]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 156]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 154]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 154]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 153]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 153]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 151]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 151]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 150]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 150]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 148]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 148]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 147]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 147]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 145]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 145]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 144]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 144]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 142]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 142]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 141]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 141]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 139]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 139]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 138]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 138]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 180 locations, 358 edges, 28 error locations. Started 1 CEGAR loops. OverallTime: 50.5s, OverallIterations: 23, TraceHistogramMax: 85, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 13.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1297 SdHoareTripleChecker+Valid, 10.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1297 mSDsluCounter, 24719 SdHoareTripleChecker+Invalid, 8.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 21066 mSDsCounter, 1316 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 21348 IncrementalHoareTripleChecker+Invalid, 22664 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1316 mSolverCounterUnsat, 3653 mSDtfsCounter, 21348 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 19175 GetRequests, 18738 SyntacticMatches, 11 SemanticMatches, 426 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2615 ImplicationChecksByTransitivity, 5.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=180occurred in iteration=0, InterpolantAutomatonStates: 243, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 23 MinimizatonAttempts, 88 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 2.2s SatisfiabilityAnalysisTime, 28.5s InterpolantComputationTime, 19792 NumberOfCodeBlocks, 19792 NumberOfCodeBlocksAsserted, 45 NumberOfCheckSat, 29001 ConstructedInterpolants, 0 QuantifiedInterpolants, 75709 SizeOfPredicates, 68 NumberOfNonLiveVariables, 18079 ConjunctsInSsa, 377 ConjunctsInUnsatCore, 66 InterpolantComputations, 2 PerfectInterpolantSequences, 851196/874368 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 28 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-17 15:52:13,306 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE