./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8fc3dc66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound50.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 2bbd590b471bbc2b8578e4cdd51bc82209f70d419c139ae39968994eaddc5edf --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 15:36:34,390 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 15:36:34,435 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-03-17 15:36:34,439 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 15:36:34,439 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 15:36:34,452 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 15:36:34,452 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 15:36:34,452 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 15:36:34,452 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 15:36:34,453 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 15:36:34,453 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 15:36:34,453 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 15:36:34,453 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 15:36:34,453 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 15:36:34,453 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 15:36:34,453 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 15:36:34,453 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 15:36:34,453 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-17 15:36:34,454 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 15:36:34,454 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-17 15:36:34,454 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 15:36:34,454 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 15:36:34,454 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 15:36:34,454 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 15:36:34,454 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-17 15:36:34,454 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-17 15:36:34,454 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-17 15:36:34,454 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 15:36:34,454 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 15:36:34,454 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 15:36:34,455 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 15:36:34,455 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 15:36:34,455 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 15:36:34,455 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 15:36:34,455 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 15:36:34,455 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 15:36:34,455 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 15:36:34,455 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 15:36:34,455 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 15:36:34,455 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 15:36:34,455 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 15:36:34,456 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 15:36:34,456 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 15:36:34,456 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 15:36:34,456 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 15:36:34,456 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 -> 2bbd590b471bbc2b8578e4cdd51bc82209f70d419c139ae39968994eaddc5edf [2025-03-17 15:36:34,663 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 15:36:34,668 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 15:36:34,670 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 15:36:34,671 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 15:36:34,671 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 15:36:34,672 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound50.c [2025-03-17 15:36:35,739 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63c2c329d/f643a26ae7a04eddac6e83135c13c1dc/FLAG787741df3 [2025-03-17 15:36:35,977 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 15:36:35,977 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound50.c [2025-03-17 15:36:35,986 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63c2c329d/f643a26ae7a04eddac6e83135c13c1dc/FLAG787741df3 [2025-03-17 15:36:36,304 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63c2c329d/f643a26ae7a04eddac6e83135c13c1dc [2025-03-17 15:36:36,305 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 15:36:36,306 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 15:36:36,307 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 15:36:36,307 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 15:36:36,310 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 15:36:36,310 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 03:36:36" (1/1) ... [2025-03-17 15:36:36,311 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@96a702a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:36:36, skipping insertion in model container [2025-03-17 15:36:36,311 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 03:36:36" (1/1) ... [2025-03-17 15:36:36,319 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 15:36:36,429 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 15:36:36,440 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 15:36:36,452 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 15:36:36,461 INFO L204 MainTranslator]: Completed translation [2025-03-17 15:36:36,462 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:36:36 WrapperNode [2025-03-17 15:36:36,462 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 15:36:36,462 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 15:36:36,462 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 15:36:36,462 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 15:36:36,466 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:36:36" (1/1) ... [2025-03-17 15:36:36,469 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:36:36" (1/1) ... [2025-03-17 15:36:36,480 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 84 [2025-03-17 15:36:36,481 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 15:36:36,482 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 15:36:36,482 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 15:36:36,482 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 15:36:36,487 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:36:36" (1/1) ... [2025-03-17 15:36:36,487 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:36:36" (1/1) ... [2025-03-17 15:36:36,488 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:36:36" (1/1) ... [2025-03-17 15:36:36,494 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 15:36:36,494 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:36:36" (1/1) ... [2025-03-17 15:36:36,494 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:36:36" (1/1) ... [2025-03-17 15:36:36,496 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:36:36" (1/1) ... [2025-03-17 15:36:36,496 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:36:36" (1/1) ... [2025-03-17 15:36:36,497 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:36:36" (1/1) ... [2025-03-17 15:36:36,498 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:36:36" (1/1) ... [2025-03-17 15:36:36,499 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 15:36:36,499 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 15:36:36,499 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 15:36:36,499 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 15:36:36,500 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:36:36" (1/1) ... [2025-03-17 15:36:36,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 15:36:36,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:36:36,522 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 15:36:36,525 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 15:36:36,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 15:36:36,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 15:36:36,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 15:36:36,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 15:36:36,540 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-17 15:36:36,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-17 15:36:36,583 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 15:36:36,585 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 15:36:36,801 INFO L? ?]: Removed 60 outVars from TransFormulas that were not future-live. [2025-03-17 15:36:36,801 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 15:36:36,809 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 15:36:36,810 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 15:36:36,811 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 03:36:36 BoogieIcfgContainer [2025-03-17 15:36:36,811 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 15:36:36,813 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 15:36:36,813 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 15:36:36,816 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 15:36:36,816 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 03:36:36" (1/3) ... [2025-03-17 15:36:36,816 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57075d6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 03:36:36, skipping insertion in model container [2025-03-17 15:36:36,817 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:36:36" (2/3) ... [2025-03-17 15:36:36,817 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57075d6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 03:36:36, skipping insertion in model container [2025-03-17 15:36:36,817 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 03:36:36" (3/3) ... [2025-03-17 15:36:36,817 INFO L128 eAbstractionObserver]: Analyzing ICFG ps3-ll_valuebound50.c [2025-03-17 15:36:36,827 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 15:36:36,828 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG ps3-ll_valuebound50.c that has 2 procedures, 101 locations, 1 initial locations, 1 loop locations, and 44 error locations. [2025-03-17 15:36:36,866 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 15:36:36,877 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;@3eede3db, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 15:36:36,877 INFO L334 AbstractCegarLoop]: Starting to check reachability of 44 error locations. [2025-03-17 15:36:36,880 INFO L276 IsEmpty]: Start isEmpty. Operand has 101 states, 53 states have (on average 1.9056603773584906) internal successors, (101), 97 states have internal predecessors, (101), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-17 15:36:36,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-03-17 15:36:36,883 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:36:36,883 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-03-17 15:36:36,884 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-03-17 15:36:36,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:36:36,888 INFO L85 PathProgramCache]: Analyzing trace with hash 3908510, now seen corresponding path program 1 times [2025-03-17 15:36:36,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:36:36,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141448025] [2025-03-17 15:36:36,893 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:36:36,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:36:36,931 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-03-17 15:36:36,944 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-03-17 15:36:36,944 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:36:36,944 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:36:37,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:36:37,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:36:37,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141448025] [2025-03-17 15:36:37,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1141448025] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:36:37,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:36:37,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 15:36:37,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733994633] [2025-03-17 15:36:37,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:36:37,006 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 15:36:37,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:36:37,017 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 15:36:37,017 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 15:36:37,019 INFO L87 Difference]: Start difference. First operand has 101 states, 53 states have (on average 1.9056603773584906) internal successors, (101), 97 states have internal predecessors, (101), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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 15:36:37,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:36:37,137 INFO L93 Difference]: Finished difference Result 264 states and 307 transitions. [2025-03-17 15:36:37,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 15:36:37,138 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2025-03-17 15:36:37,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:36:37,142 INFO L225 Difference]: With dead ends: 264 [2025-03-17 15:36:37,142 INFO L226 Difference]: Without dead ends: 159 [2025-03-17 15:36:37,144 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 15:36:37,146 INFO L435 NwaCegarLoop]: 66 mSDtfsCounter, 66 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:36:37,147 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 124 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:36:37,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2025-03-17 15:36:37,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 121. [2025-03-17 15:36:37,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 79 states have (on average 1.7468354430379747) internal successors, (138), 117 states have internal predecessors, (138), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-17 15:36:37,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 142 transitions. [2025-03-17 15:36:37,174 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 142 transitions. Word has length 4 [2025-03-17 15:36:37,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:36:37,174 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 142 transitions. [2025-03-17 15:36:37,174 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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 15:36:37,174 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 142 transitions. [2025-03-17 15:36:37,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-03-17 15:36:37,175 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:36:37,175 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-03-17 15:36:37,175 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-17 15:36:37,175 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-03-17 15:36:37,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:36:37,176 INFO L85 PathProgramCache]: Analyzing trace with hash -538887300, now seen corresponding path program 1 times [2025-03-17 15:36:37,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:36:37,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174058690] [2025-03-17 15:36:37,176 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:36:37,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:36:37,181 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-17 15:36:37,185 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-17 15:36:37,186 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:36:37,186 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:36:37,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:36:37,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:36:37,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174058690] [2025-03-17 15:36:37,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174058690] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:36:37,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:36:37,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 15:36:37,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483242690] [2025-03-17 15:36:37,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:36:37,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 15:36:37,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:36:37,229 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 15:36:37,229 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 15:36:37,229 INFO L87 Difference]: Start difference. First operand 121 states and 142 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 15:36:37,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:36:37,376 INFO L93 Difference]: Finished difference Result 157 states and 171 transitions. [2025-03-17 15:36:37,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 15:36:37,377 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2025-03-17 15:36:37,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:36:37,378 INFO L225 Difference]: With dead ends: 157 [2025-03-17 15:36:37,378 INFO L226 Difference]: Without dead ends: 139 [2025-03-17 15:36:37,378 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 15:36:37,379 INFO L435 NwaCegarLoop]: 47 mSDtfsCounter, 40 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:36:37,379 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 67 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:36:37,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2025-03-17 15:36:37,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 133. [2025-03-17 15:36:37,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 91 states have (on average 1.5604395604395604) internal successors, (142), 129 states have internal predecessors, (142), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-17 15:36:37,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 146 transitions. [2025-03-17 15:36:37,389 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 146 transitions. Word has length 6 [2025-03-17 15:36:37,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:36:37,389 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 146 transitions. [2025-03-17 15:36:37,389 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 15:36:37,389 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 146 transitions. [2025-03-17 15:36:37,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-03-17 15:36:37,393 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:36:37,393 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:36:37,393 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-17 15:36:37,393 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-03-17 15:36:37,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:36:37,394 INFO L85 PathProgramCache]: Analyzing trace with hash -1020591338, now seen corresponding path program 1 times [2025-03-17 15:36:37,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:36:37,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402549570] [2025-03-17 15:36:37,394 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:36:37,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:36:37,401 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-03-17 15:36:37,412 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-03-17 15:36:37,413 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:36:37,413 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:36:37,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:36:37,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:36:37,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402549570] [2025-03-17 15:36:37,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [402549570] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:36:37,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:36:37,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:36:37,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448564009] [2025-03-17 15:36:37,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:36:37,482 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:36:37,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:36:37,482 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:36:37,482 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:36:37,482 INFO L87 Difference]: Start difference. First operand 133 states and 146 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 15:36:37,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:36:37,594 INFO L93 Difference]: Finished difference Result 147 states and 155 transitions. [2025-03-17 15:36:37,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:36:37,595 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2025-03-17 15:36:37,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:36:37,595 INFO L225 Difference]: With dead ends: 147 [2025-03-17 15:36:37,595 INFO L226 Difference]: Without dead ends: 141 [2025-03-17 15:36:37,596 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:36:37,596 INFO L435 NwaCegarLoop]: 46 mSDtfsCounter, 80 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:36:37,596 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 101 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:36:37,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2025-03-17 15:36:37,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 136. [2025-03-17 15:36:37,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 94 states have (on average 1.5106382978723405) internal successors, (142), 132 states have internal predecessors, (142), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-17 15:36:37,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 146 transitions. [2025-03-17 15:36:37,607 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 146 transitions. Word has length 12 [2025-03-17 15:36:37,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:36:37,608 INFO L471 AbstractCegarLoop]: Abstraction has 136 states and 146 transitions. [2025-03-17 15:36:37,608 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 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 15:36:37,608 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 146 transitions. [2025-03-17 15:36:37,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2025-03-17 15:36:37,608 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:36:37,608 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:36:37,608 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-17 15:36:37,608 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-03-17 15:36:37,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:36:37,609 INFO L85 PathProgramCache]: Analyzing trace with hash -1573560363, now seen corresponding path program 1 times [2025-03-17 15:36:37,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:36:37,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813256872] [2025-03-17 15:36:37,609 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:36:37,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:36:37,614 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-03-17 15:36:37,626 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-03-17 15:36:37,627 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:36:37,627 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:36:37,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1182450931] [2025-03-17 15:36:37,628 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:36:37,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:36:37,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:36:37,630 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 15:36:37,632 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 15:36:37,660 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-03-17 15:36:37,666 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-03-17 15:36:37,666 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:36:37,666 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:36:37,667 INFO L256 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-17 15:36:37,670 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:36:37,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:36:37,716 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:36:37,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:36:37,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813256872] [2025-03-17 15:36:37,717 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:36:37,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1182450931] [2025-03-17 15:36:37,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1182450931] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:36:37,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:36:37,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 15:36:37,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870090513] [2025-03-17 15:36:37,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:36:37,719 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 15:36:37,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:36:37,719 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 15:36:37,719 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 15:36:37,720 INFO L87 Difference]: Start difference. First operand 136 states and 146 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 15:36:37,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:36:37,839 INFO L93 Difference]: Finished difference Result 145 states and 147 transitions. [2025-03-17 15:36:37,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 15:36:37,840 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2025-03-17 15:36:37,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:36:37,840 INFO L225 Difference]: With dead ends: 145 [2025-03-17 15:36:37,840 INFO L226 Difference]: Without dead ends: 121 [2025-03-17 15:36:37,841 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 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 15:36:37,841 INFO L435 NwaCegarLoop]: 55 mSDtfsCounter, 33 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:36:37,841 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 67 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:36:37,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2025-03-17 15:36:37,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 119. [2025-03-17 15:36:37,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 77 states have (on average 1.5454545454545454) internal successors, (119), 115 states have internal predecessors, (119), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-17 15:36:37,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 123 transitions. [2025-03-17 15:36:37,848 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 123 transitions. Word has length 13 [2025-03-17 15:36:37,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:36:37,848 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 123 transitions. [2025-03-17 15:36:37,848 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 15:36:37,848 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 123 transitions. [2025-03-17 15:36:37,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2025-03-17 15:36:37,849 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:36:37,849 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:36:37,861 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-17 15:36:38,057 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:36:38,057 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-03-17 15:36:38,057 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:36:38,057 INFO L85 PathProgramCache]: Analyzing trace with hash -1283626850, now seen corresponding path program 1 times [2025-03-17 15:36:38,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:36:38,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069898438] [2025-03-17 15:36:38,058 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:36:38,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:36:38,062 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-03-17 15:36:38,073 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-03-17 15:36:38,074 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:36:38,075 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:36:38,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:36:38,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:36:38,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069898438] [2025-03-17 15:36:38,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2069898438] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:36:38,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:36:38,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 15:36:38,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317594666] [2025-03-17 15:36:38,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:36:38,124 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 15:36:38,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:36:38,124 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 15:36:38,124 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 15:36:38,125 INFO L87 Difference]: Start difference. First operand 119 states and 123 transitions. Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 15:36:38,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:36:38,136 INFO L93 Difference]: Finished difference Result 121 states and 123 transitions. [2025-03-17 15:36:38,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 15:36:38,137 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 28 [2025-03-17 15:36:38,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:36:38,138 INFO L225 Difference]: With dead ends: 121 [2025-03-17 15:36:38,138 INFO L226 Difference]: Without dead ends: 119 [2025-03-17 15:36:38,138 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 15:36:38,138 INFO L435 NwaCegarLoop]: 89 mSDtfsCounter, 1 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 15:36:38,139 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 173 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 15:36:38,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2025-03-17 15:36:38,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2025-03-17 15:36:38,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 77 states have (on average 1.5194805194805194) internal successors, (117), 115 states have internal predecessors, (117), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-17 15:36:38,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 121 transitions. [2025-03-17 15:36:38,145 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 121 transitions. Word has length 28 [2025-03-17 15:36:38,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:36:38,149 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 121 transitions. [2025-03-17 15:36:38,149 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 15:36:38,149 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 121 transitions. [2025-03-17 15:36:38,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2025-03-17 15:36:38,149 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:36:38,149 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:36:38,149 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-17 15:36:38,149 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-03-17 15:36:38,150 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:36:38,150 INFO L85 PathProgramCache]: Analyzing trace with hash 2036567218, now seen corresponding path program 1 times [2025-03-17 15:36:38,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:36:38,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266406791] [2025-03-17 15:36:38,150 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:36:38,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:36:38,158 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-03-17 15:36:38,170 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-03-17 15:36:38,173 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:36:38,173 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:36:38,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [704227057] [2025-03-17 15:36:38,175 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:36:38,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:36:38,176 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:36:38,177 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 15:36:38,179 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 15:36:38,203 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-03-17 15:36:38,212 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-03-17 15:36:38,213 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:36:38,213 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:36:38,213 INFO L256 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-17 15:36:38,214 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:36:38,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:36:38,263 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:36:38,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:36:38,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266406791] [2025-03-17 15:36:38,264 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:36:38,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [704227057] [2025-03-17 15:36:38,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [704227057] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:36:38,264 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:36:38,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:36:38,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475936009] [2025-03-17 15:36:38,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:36:38,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:36:38,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:36:38,265 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:36:38,265 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:36:38,265 INFO L87 Difference]: Start difference. First operand 119 states and 121 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 15:36:38,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:36:38,413 INFO L93 Difference]: Finished difference Result 187 states and 202 transitions. [2025-03-17 15:36:38,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:36:38,414 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 33 [2025-03-17 15:36:38,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:36:38,414 INFO L225 Difference]: With dead ends: 187 [2025-03-17 15:36:38,414 INFO L226 Difference]: Without dead ends: 168 [2025-03-17 15:36:38,415 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:36:38,415 INFO L435 NwaCegarLoop]: 49 mSDtfsCounter, 49 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:36:38,415 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 89 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:36:38,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2025-03-17 15:36:38,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 158. [2025-03-17 15:36:38,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 115 states have (on average 1.4782608695652173) internal successors, (170), 153 states have internal predecessors, (170), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-17 15:36:38,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 176 transitions. [2025-03-17 15:36:38,424 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 176 transitions. Word has length 33 [2025-03-17 15:36:38,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:36:38,424 INFO L471 AbstractCegarLoop]: Abstraction has 158 states and 176 transitions. [2025-03-17 15:36:38,424 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 15:36:38,424 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 176 transitions. [2025-03-17 15:36:38,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2025-03-17 15:36:38,424 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:36:38,424 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:36:38,430 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-03-17 15:36:38,625 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,SelfDestructingSolverStorable5 [2025-03-17 15:36:38,625 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-03-17 15:36:38,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:36:38,625 INFO L85 PathProgramCache]: Analyzing trace with hash -1363990160, now seen corresponding path program 1 times [2025-03-17 15:36:38,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:36:38,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142906] [2025-03-17 15:36:38,626 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:36:38,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:36:38,630 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-03-17 15:36:38,634 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-03-17 15:36:38,634 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:36:38,634 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:36:38,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:36:38,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:36:38,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142906] [2025-03-17 15:36:38,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2142906] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:36:38,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:36:38,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:36:38,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247067942] [2025-03-17 15:36:38,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:36:38,719 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:36:38,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:36:38,720 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:36:38,720 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:36:38,720 INFO L87 Difference]: Start difference. First operand 158 states and 176 transitions. Second operand has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 15:36:38,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:36:38,784 INFO L93 Difference]: Finished difference Result 159 states and 176 transitions. [2025-03-17 15:36:38,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:36:38,785 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 35 [2025-03-17 15:36:38,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:36:38,786 INFO L225 Difference]: With dead ends: 159 [2025-03-17 15:36:38,786 INFO L226 Difference]: Without dead ends: 158 [2025-03-17 15:36:38,786 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:36:38,786 INFO L435 NwaCegarLoop]: 70 mSDtfsCounter, 22 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:36:38,786 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 125 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:36:38,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2025-03-17 15:36:38,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158. [2025-03-17 15:36:38,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 115 states have (on average 1.4695652173913043) internal successors, (169), 153 states have internal predecessors, (169), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-17 15:36:38,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 175 transitions. [2025-03-17 15:36:38,791 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 175 transitions. Word has length 35 [2025-03-17 15:36:38,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:36:38,791 INFO L471 AbstractCegarLoop]: Abstraction has 158 states and 175 transitions. [2025-03-17 15:36:38,791 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 15:36:38,791 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 175 transitions. [2025-03-17 15:36:38,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2025-03-17 15:36:38,792 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:36:38,792 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:36:38,792 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-17 15:36:38,792 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-03-17 15:36:38,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:36:38,793 INFO L85 PathProgramCache]: Analyzing trace with hash 665978061, now seen corresponding path program 1 times [2025-03-17 15:36:38,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:36:38,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519516348] [2025-03-17 15:36:38,793 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:36:38,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:36:38,799 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-03-17 15:36:38,810 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-03-17 15:36:38,810 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:36:38,813 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:36:38,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1917089286] [2025-03-17 15:36:38,813 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:36:38,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:36:38,815 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:36:38,816 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 15:36:38,818 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 15:36:38,841 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-03-17 15:36:38,850 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-03-17 15:36:38,851 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:36:38,852 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:36:38,853 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-17 15:36:38,854 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:36:38,908 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-17 15:36:38,908 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:36:38,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:36:38,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519516348] [2025-03-17 15:36:38,908 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:36:38,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1917089286] [2025-03-17 15:36:38,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1917089286] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:36:38,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:36:38,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 15:36:38,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050576505] [2025-03-17 15:36:38,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:36:38,909 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 15:36:38,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:36:38,909 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 15:36:38,909 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 15:36:38,909 INFO L87 Difference]: Start difference. First operand 158 states and 175 transitions. Second operand has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 15:36:38,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:36:38,957 INFO L93 Difference]: Finished difference Result 158 states and 175 transitions. [2025-03-17 15:36:38,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 15:36:38,958 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 36 [2025-03-17 15:36:38,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:36:38,959 INFO L225 Difference]: With dead ends: 158 [2025-03-17 15:36:38,960 INFO L226 Difference]: Without dead ends: 155 [2025-03-17 15:36:38,960 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 33 SyntacticMatches, 1 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 15:36:38,960 INFO L435 NwaCegarLoop]: 57 mSDtfsCounter, 39 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 15:36:38,961 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 62 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 15:36:38,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2025-03-17 15:36:38,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2025-03-17 15:36:38,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 115 states have (on average 1.4260869565217391) internal successors, (164), 150 states have internal predecessors, (164), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-17 15:36:38,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 170 transitions. [2025-03-17 15:36:38,966 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 170 transitions. Word has length 36 [2025-03-17 15:36:38,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:36:38,967 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 170 transitions. [2025-03-17 15:36:38,967 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 15:36:38,968 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 170 transitions. [2025-03-17 15:36:38,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2025-03-17 15:36:38,969 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:36:38,969 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:36:38,976 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-03-17 15:36:39,169 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:36:39,170 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-03-17 15:36:39,170 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:36:39,170 INFO L85 PathProgramCache]: Analyzing trace with hash -829516530, now seen corresponding path program 1 times [2025-03-17 15:36:39,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:36:39,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133707514] [2025-03-17 15:36:39,171 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:36:39,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:36:39,175 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-03-17 15:36:39,181 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-03-17 15:36:39,182 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:36:39,182 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:36:39,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [965858251] [2025-03-17 15:36:39,182 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:36:39,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:36:39,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:36:39,184 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 15:36:39,185 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 15:36:39,203 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-03-17 15:36:39,213 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-03-17 15:36:39,214 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:36:39,214 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:36:39,214 INFO L256 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-17 15:36:39,215 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:36:39,308 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:36:39,308 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:36:39,380 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:36:39,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:36:39,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133707514] [2025-03-17 15:36:39,381 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:36:39,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [965858251] [2025-03-17 15:36:39,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [965858251] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:36:39,381 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 15:36:39,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2025-03-17 15:36:39,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672851895] [2025-03-17 15:36:39,381 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 15:36:39,382 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-17 15:36:39,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:36:39,382 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-17 15:36:39,382 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:36:39,382 INFO L87 Difference]: Start difference. First operand 155 states and 170 transitions. Second operand has 8 states, 7 states have (on average 9.285714285714286) internal successors, (65), 8 states have internal predecessors, (65), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-17 15:36:39,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:36:39,673 INFO L93 Difference]: Finished difference Result 170 states and 186 transitions. [2025-03-17 15:36:39,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-17 15:36:39,673 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), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 37 [2025-03-17 15:36:39,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:36:39,674 INFO L225 Difference]: With dead ends: 170 [2025-03-17 15:36:39,674 INFO L226 Difference]: Without dead ends: 166 [2025-03-17 15:36:39,674 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2025-03-17 15:36:39,675 INFO L435 NwaCegarLoop]: 39 mSDtfsCounter, 171 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 409 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 409 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:36:39,675 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 119 Invalid, 418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 409 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 15:36:39,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2025-03-17 15:36:39,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 160. [2025-03-17 15:36:39,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 121 states have (on average 1.3801652892561984) internal successors, (167), 155 states have internal predecessors, (167), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-17 15:36:39,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 173 transitions. [2025-03-17 15:36:39,679 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 173 transitions. Word has length 37 [2025-03-17 15:36:39,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:36:39,679 INFO L471 AbstractCegarLoop]: Abstraction has 160 states and 173 transitions. [2025-03-17 15:36:39,680 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), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-17 15:36:39,680 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 173 transitions. [2025-03-17 15:36:39,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2025-03-17 15:36:39,680 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:36:39,680 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:36:39,686 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 15:36:39,881 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:36:39,881 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-03-17 15:36:39,881 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:36:39,881 INFO L85 PathProgramCache]: Analyzing trace with hash 994100549, now seen corresponding path program 1 times [2025-03-17 15:36:39,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:36:39,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455911143] [2025-03-17 15:36:39,882 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:36:39,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:36:39,885 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-03-17 15:36:39,897 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-03-17 15:36:39,897 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:36:39,898 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:36:39,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1889921514] [2025-03-17 15:36:39,899 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:36:39,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:36:39,899 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:36:39,901 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 15:36:39,903 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 15:36:39,923 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-03-17 15:36:39,932 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-03-17 15:36:39,933 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:36:39,933 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:36:39,933 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-17 15:36:39,934 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:36:39,988 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:36:39,988 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:36:39,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:36:39,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455911143] [2025-03-17 15:36:39,988 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:36:39,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1889921514] [2025-03-17 15:36:39,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1889921514] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:36:39,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:36:39,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 15:36:39,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890734024] [2025-03-17 15:36:39,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:36:39,989 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 15:36:39,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:36:39,990 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 15:36:39,990 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-03-17 15:36:39,990 INFO L87 Difference]: Start difference. First operand 160 states and 173 transitions. Second operand has 5 states, 4 states have (on average 10.5) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 15:36:40,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:36:40,111 INFO L93 Difference]: Finished difference Result 160 states and 173 transitions. [2025-03-17 15:36:40,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 15:36:40,111 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.5) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 44 [2025-03-17 15:36:40,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:36:40,112 INFO L225 Difference]: With dead ends: 160 [2025-03-17 15:36:40,113 INFO L226 Difference]: Without dead ends: 149 [2025-03-17 15:36:40,113 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-03-17 15:36:40,113 INFO L435 NwaCegarLoop]: 17 mSDtfsCounter, 55 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:36:40,113 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 27 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:36:40,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2025-03-17 15:36:40,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2025-03-17 15:36:40,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 121 states have (on average 1.256198347107438) internal successors, (152), 144 states have internal predecessors, (152), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-17 15:36:40,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 158 transitions. [2025-03-17 15:36:40,120 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 158 transitions. Word has length 44 [2025-03-17 15:36:40,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:36:40,121 INFO L471 AbstractCegarLoop]: Abstraction has 149 states and 158 transitions. [2025-03-17 15:36:40,121 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.5) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 15:36:40,121 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 158 transitions. [2025-03-17 15:36:40,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2025-03-17 15:36:40,121 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:36:40,122 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:36:40,127 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-03-17 15:36:40,322 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2025-03-17 15:36:40,322 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-03-17 15:36:40,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:36:40,323 INFO L85 PathProgramCache]: Analyzing trace with hash 752345990, now seen corresponding path program 1 times [2025-03-17 15:36:40,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:36:40,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873650945] [2025-03-17 15:36:40,323 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:36:40,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:36:40,327 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-03-17 15:36:40,336 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-03-17 15:36:40,337 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:36:40,337 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:36:40,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1971488786] [2025-03-17 15:36:40,338 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:36:40,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:36:40,338 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:36:40,340 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 15:36:40,341 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 15:36:40,360 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-03-17 15:36:40,368 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-03-17 15:36:40,369 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:36:40,369 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:36:40,370 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-17 15:36:40,371 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:36:40,481 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:36:40,481 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:36:40,573 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:36:40,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:36:40,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873650945] [2025-03-17 15:36:40,573 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:36:40,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1971488786] [2025-03-17 15:36:40,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1971488786] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:36:40,573 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 15:36:40,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2025-03-17 15:36:40,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718138388] [2025-03-17 15:36:40,574 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 15:36:40,574 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-17 15:36:40,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:36:40,575 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-17 15:36:40,575 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:36:40,576 INFO L87 Difference]: Start difference. First operand 149 states and 158 transitions. Second operand has 8 states, 7 states have (on average 11.571428571428571) internal successors, (81), 8 states have internal predecessors, (81), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-17 15:36:40,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:36:40,880 INFO L93 Difference]: Finished difference Result 164 states and 177 transitions. [2025-03-17 15:36:40,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-17 15:36:40,880 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 11.571428571428571) internal successors, (81), 8 states have internal predecessors, (81), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 45 [2025-03-17 15:36:40,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:36:40,881 INFO L225 Difference]: With dead ends: 164 [2025-03-17 15:36:40,881 INFO L226 Difference]: Without dead ends: 136 [2025-03-17 15:36:40,881 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2025-03-17 15:36:40,882 INFO L435 NwaCegarLoop]: 21 mSDtfsCounter, 72 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 392 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 392 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:36:40,882 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 78 Invalid, 405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 392 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 15:36:40,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2025-03-17 15:36:40,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 134. [2025-03-17 15:36:40,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 111 states have (on average 1.2342342342342343) internal successors, (137), 129 states have internal predecessors, (137), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-17 15:36:40,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 143 transitions. [2025-03-17 15:36:40,888 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 143 transitions. Word has length 45 [2025-03-17 15:36:40,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:36:40,889 INFO L471 AbstractCegarLoop]: Abstraction has 134 states and 143 transitions. [2025-03-17 15:36:40,889 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 11.571428571428571) internal successors, (81), 8 states have internal predecessors, (81), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-17 15:36:40,889 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 143 transitions. [2025-03-17 15:36:40,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2025-03-17 15:36:40,890 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:36:40,890 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:36:40,896 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 15:36:41,090 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:36:41,091 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-03-17 15:36:41,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:36:41,091 INFO L85 PathProgramCache]: Analyzing trace with hash -352391987, now seen corresponding path program 1 times [2025-03-17 15:36:41,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:36:41,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919559904] [2025-03-17 15:36:41,091 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:36:41,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:36:41,095 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-03-17 15:36:41,100 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-03-17 15:36:41,100 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:36:41,100 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:36:41,155 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 15:36:41,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:36:41,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919559904] [2025-03-17 15:36:41,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1919559904] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:36:41,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [98065416] [2025-03-17 15:36:41,155 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:36:41,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:36:41,155 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:36:41,159 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 15:36:41,160 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 15:36:41,179 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-03-17 15:36:41,190 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-03-17 15:36:41,190 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:36:41,190 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:36:41,190 INFO L256 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-17 15:36:41,191 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:36:41,241 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 15:36:41,241 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:36:41,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [98065416] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:36:41,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:36:41,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2025-03-17 15:36:41,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961981539] [2025-03-17 15:36:41,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:36:41,242 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:36:41,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:36:41,242 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:36:41,243 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-17 15:36:41,243 INFO L87 Difference]: Start difference. First operand 134 states and 143 transitions. Second operand has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-17 15:36:41,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:36:41,258 INFO L93 Difference]: Finished difference Result 134 states and 143 transitions. [2025-03-17 15:36:41,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:36:41,258 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 60 [2025-03-17 15:36:41,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:36:41,259 INFO L225 Difference]: With dead ends: 134 [2025-03-17 15:36:41,259 INFO L226 Difference]: Without dead ends: 133 [2025-03-17 15:36:41,259 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-17 15:36:41,259 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 25 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 15:36:41,259 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 124 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 15:36:41,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2025-03-17 15:36:41,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2025-03-17 15:36:41,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 111 states have (on average 1.2162162162162162) internal successors, (135), 128 states have internal predecessors, (135), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-17 15:36:41,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 141 transitions. [2025-03-17 15:36:41,264 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 141 transitions. Word has length 60 [2025-03-17 15:36:41,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:36:41,264 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 141 transitions. [2025-03-17 15:36:41,264 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-17 15:36:41,264 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 141 transitions. [2025-03-17 15:36:41,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2025-03-17 15:36:41,266 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:36:41,266 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:36:41,272 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-03-17 15:36:41,468 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:36:41,469 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-03-17 15:36:41,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:36:41,469 INFO L85 PathProgramCache]: Analyzing trace with hash 1960750311, now seen corresponding path program 1 times [2025-03-17 15:36:41,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:36:41,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938768433] [2025-03-17 15:36:41,469 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:36:41,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:36:41,475 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 61 statements into 1 equivalence classes. [2025-03-17 15:36:41,482 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 61 of 61 statements. [2025-03-17 15:36:41,482 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:36:41,483 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:36:41,529 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 15:36:41,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:36:41,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938768433] [2025-03-17 15:36:41,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938768433] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:36:41,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2116822423] [2025-03-17 15:36:41,529 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:36:41,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:36:41,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:36:41,531 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 15:36:41,533 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 15:36:41,550 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 61 statements into 1 equivalence classes. [2025-03-17 15:36:41,560 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 61 of 61 statements. [2025-03-17 15:36:41,560 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:36:41,560 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:36:41,561 INFO L256 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-17 15:36:41,562 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:36:41,631 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 15:36:41,631 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:36:41,699 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 15:36:41,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2116822423] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:36:41,699 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:36:41,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2025-03-17 15:36:41,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720136698] [2025-03-17 15:36:41,699 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:36:41,699 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-17 15:36:41,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:36:41,700 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-17 15:36:41,700 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-03-17 15:36:41,700 INFO L87 Difference]: Start difference. First operand 133 states and 141 transitions. Second operand has 7 states, 6 states have (on average 20.833333333333332) internal successors, (125), 7 states have internal predecessors, (125), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-03-17 15:36:41,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:36:41,726 INFO L93 Difference]: Finished difference Result 193 states and 201 transitions. [2025-03-17 15:36:41,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 15:36:41,727 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 20.833333333333332) internal successors, (125), 7 states have internal predecessors, (125), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 61 [2025-03-17 15:36:41,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:36:41,727 INFO L225 Difference]: With dead ends: 193 [2025-03-17 15:36:41,727 INFO L226 Difference]: Without dead ends: 192 [2025-03-17 15:36:41,728 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-03-17 15:36:41,728 INFO L435 NwaCegarLoop]: 63 mSDtfsCounter, 32 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 15:36:41,728 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 280 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 15:36:41,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2025-03-17 15:36:41,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 173. [2025-03-17 15:36:41,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 149 states have (on average 1.261744966442953) internal successors, (188), 166 states have internal predecessors, (188), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-03-17 15:36:41,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 198 transitions. [2025-03-17 15:36:41,733 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 198 transitions. Word has length 61 [2025-03-17 15:36:41,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:36:41,733 INFO L471 AbstractCegarLoop]: Abstraction has 173 states and 198 transitions. [2025-03-17 15:36:41,734 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 20.833333333333332) internal successors, (125), 7 states have internal predecessors, (125), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-03-17 15:36:41,734 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 198 transitions. [2025-03-17 15:36:41,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2025-03-17 15:36:41,734 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:36:41,734 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2025-03-17 15:36:41,740 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-03-17 15:36:41,935 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,SelfDestructingSolverStorable12 [2025-03-17 15:36:41,935 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-03-17 15:36:41,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:36:41,935 INFO L85 PathProgramCache]: Analyzing trace with hash -810720678, now seen corresponding path program 1 times [2025-03-17 15:36:41,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:36:41,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61549504] [2025-03-17 15:36:41,936 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:36:41,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:36:41,940 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 70 statements into 1 equivalence classes. [2025-03-17 15:36:41,943 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 70 of 70 statements. [2025-03-17 15:36:41,943 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:36:41,943 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:36:41,996 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-03-17 15:36:41,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:36:41,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61549504] [2025-03-17 15:36:41,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61549504] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:36:41,996 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:36:41,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:36:41,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473497354] [2025-03-17 15:36:41,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:36:41,996 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:36:41,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:36:41,997 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:36:41,997 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:36:41,997 INFO L87 Difference]: Start difference. First operand 173 states and 198 transitions. Second operand has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-17 15:36:42,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:36:42,049 INFO L93 Difference]: Finished difference Result 173 states and 198 transitions. [2025-03-17 15:36:42,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 15:36:42,049 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 70 [2025-03-17 15:36:42,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:36:42,050 INFO L225 Difference]: With dead ends: 173 [2025-03-17 15:36:42,050 INFO L226 Difference]: Without dead ends: 168 [2025-03-17 15:36:42,050 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:36:42,051 INFO L435 NwaCegarLoop]: 18 mSDtfsCounter, 36 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 15:36:42,051 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 28 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 15:36:42,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2025-03-17 15:36:42,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 168. [2025-03-17 15:36:42,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 149 states have (on average 1.1946308724832215) internal successors, (178), 161 states have internal predecessors, (178), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-03-17 15:36:42,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 188 transitions. [2025-03-17 15:36:42,056 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 188 transitions. Word has length 70 [2025-03-17 15:36:42,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:36:42,056 INFO L471 AbstractCegarLoop]: Abstraction has 168 states and 188 transitions. [2025-03-17 15:36:42,057 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-17 15:36:42,057 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 188 transitions. [2025-03-17 15:36:42,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2025-03-17 15:36:42,057 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:36:42,058 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2025-03-17 15:36:42,058 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-03-17 15:36:42,058 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-03-17 15:36:42,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:36:42,058 INFO L85 PathProgramCache]: Analyzing trace with hash 637462813, now seen corresponding path program 1 times [2025-03-17 15:36:42,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:36:42,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308831215] [2025-03-17 15:36:42,058 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:36:42,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:36:42,062 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-03-17 15:36:42,067 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-03-17 15:36:42,068 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:36:42,068 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:36:42,101 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-03-17 15:36:42,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:36:42,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308831215] [2025-03-17 15:36:42,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308831215] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:36:42,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:36:42,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:36:42,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422963773] [2025-03-17 15:36:42,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:36:42,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:36:42,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:36:42,102 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:36:42,102 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:36:42,102 INFO L87 Difference]: Start difference. First operand 168 states and 188 transitions. Second operand has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-17 15:36:42,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:36:42,143 INFO L93 Difference]: Finished difference Result 168 states and 188 transitions. [2025-03-17 15:36:42,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:36:42,144 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 71 [2025-03-17 15:36:42,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:36:42,144 INFO L225 Difference]: With dead ends: 168 [2025-03-17 15:36:42,144 INFO L226 Difference]: Without dead ends: 167 [2025-03-17 15:36:42,145 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:36:42,145 INFO L435 NwaCegarLoop]: 18 mSDtfsCounter, 53 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 15:36:42,145 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 23 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 15:36:42,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2025-03-17 15:36:42,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 167. [2025-03-17 15:36:42,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 149 states have (on average 1.174496644295302) internal successors, (175), 160 states have internal predecessors, (175), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-03-17 15:36:42,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 185 transitions. [2025-03-17 15:36:42,150 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 185 transitions. Word has length 71 [2025-03-17 15:36:42,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:36:42,150 INFO L471 AbstractCegarLoop]: Abstraction has 167 states and 185 transitions. [2025-03-17 15:36:42,150 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-17 15:36:42,150 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 185 transitions. [2025-03-17 15:36:42,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2025-03-17 15:36:42,150 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:36:42,151 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2025-03-17 15:36:42,151 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-03-17 15:36:42,151 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-03-17 15:36:42,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:36:42,151 INFO L85 PathProgramCache]: Analyzing trace with hash -1578558341, now seen corresponding path program 1 times [2025-03-17 15:36:42,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:36:42,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95783620] [2025-03-17 15:36:42,151 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:36:42,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:36:42,155 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 73 statements into 1 equivalence classes. [2025-03-17 15:36:42,158 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 73 of 73 statements. [2025-03-17 15:36:42,158 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:36:42,158 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:36:42,219 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 35 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-03-17 15:36:42,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:36:42,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95783620] [2025-03-17 15:36:42,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95783620] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:36:42,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [148708991] [2025-03-17 15:36:42,220 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:36:42,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:36:42,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:36:42,222 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 15:36:42,223 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 15:36:42,248 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 73 statements into 1 equivalence classes. [2025-03-17 15:36:42,260 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 73 of 73 statements. [2025-03-17 15:36:42,260 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:36:42,260 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:36:42,261 INFO L256 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-17 15:36:42,262 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:36:42,307 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 35 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-03-17 15:36:42,308 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:36:42,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [148708991] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:36:42,394 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 15:36:42,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2025-03-17 15:36:42,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726597701] [2025-03-17 15:36:42,394 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 15:36:42,394 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 15:36:42,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:36:42,395 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 15:36:42,395 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:36:42,395 INFO L87 Difference]: Start difference. First operand 167 states and 185 transitions. Second operand has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-17 15:36:42,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:36:42,460 INFO L93 Difference]: Finished difference Result 167 states and 185 transitions. [2025-03-17 15:36:42,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 15:36:42,461 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 73 [2025-03-17 15:36:42,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:36:42,461 INFO L225 Difference]: With dead ends: 167 [2025-03-17 15:36:42,461 INFO L226 Difference]: Without dead ends: 156 [2025-03-17 15:36:42,462 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2025-03-17 15:36:42,462 INFO L435 NwaCegarLoop]: 16 mSDtfsCounter, 89 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:36:42,462 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 26 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:36:42,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2025-03-17 15:36:42,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2025-03-17 15:36:42,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 142 states have (on average 1.1267605633802817) internal successors, (160), 149 states have internal predecessors, (160), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-03-17 15:36:42,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 170 transitions. [2025-03-17 15:36:42,467 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 170 transitions. Word has length 73 [2025-03-17 15:36:42,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:36:42,467 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 170 transitions. [2025-03-17 15:36:42,467 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-17 15:36:42,467 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 170 transitions. [2025-03-17 15:36:42,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2025-03-17 15:36:42,467 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:36:42,467 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2025-03-17 15:36:42,473 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-03-17 15:36:42,672 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,SelfDestructingSolverStorable15 [2025-03-17 15:36:42,672 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-03-17 15:36:42,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:36:42,672 INFO L85 PathProgramCache]: Analyzing trace with hash -1690668266, now seen corresponding path program 1 times [2025-03-17 15:36:42,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:36:42,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640906841] [2025-03-17 15:36:42,672 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:36:42,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:36:42,676 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-03-17 15:36:42,686 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-03-17 15:36:42,686 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:36:42,686 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:36:42,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [606938747] [2025-03-17 15:36:42,686 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:36:42,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:36:42,686 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:36:42,689 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 15:36:42,690 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 15:36:42,710 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-03-17 15:36:42,724 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-03-17 15:36:42,724 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:36:42,725 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:36:42,725 INFO L256 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-17 15:36:42,726 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:36:42,791 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 15:36:42,791 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:36:42,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:36:42,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640906841] [2025-03-17 15:36:42,791 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:36:42,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [606938747] [2025-03-17 15:36:42,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [606938747] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:36:42,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:36:42,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 15:36:42,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673914995] [2025-03-17 15:36:42,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:36:42,792 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 15:36:42,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:36:42,792 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 15:36:42,792 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-03-17 15:36:42,792 INFO L87 Difference]: Start difference. First operand 156 states and 170 transitions. Second operand has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-17 15:36:42,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:36:42,870 INFO L93 Difference]: Finished difference Result 156 states and 170 transitions. [2025-03-17 15:36:42,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 15:36:42,871 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 74 [2025-03-17 15:36:42,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:36:42,871 INFO L225 Difference]: With dead ends: 156 [2025-03-17 15:36:42,872 INFO L226 Difference]: Without dead ends: 147 [2025-03-17 15:36:42,872 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-03-17 15:36:42,872 INFO L435 NwaCegarLoop]: 32 mSDtfsCounter, 43 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:36:42,872 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 49 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:36:42,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2025-03-17 15:36:42,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2025-03-17 15:36:42,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 135 states have (on average 1.0888888888888888) internal successors, (147), 140 states have internal predecessors, (147), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-03-17 15:36:42,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 157 transitions. [2025-03-17 15:36:42,879 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 157 transitions. Word has length 74 [2025-03-17 15:36:42,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:36:42,879 INFO L471 AbstractCegarLoop]: Abstraction has 147 states and 157 transitions. [2025-03-17 15:36:42,879 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-17 15:36:42,879 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 157 transitions. [2025-03-17 15:36:42,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2025-03-17 15:36:42,880 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:36:42,880 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2025-03-17 15:36:42,886 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-03-17 15:36:43,080 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,SelfDestructingSolverStorable16 [2025-03-17 15:36:43,081 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-03-17 15:36:43,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:36:43,081 INFO L85 PathProgramCache]: Analyzing trace with hash -871108647, now seen corresponding path program 1 times [2025-03-17 15:36:43,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:36:43,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706287711] [2025-03-17 15:36:43,081 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:36:43,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:36:43,086 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 75 statements into 1 equivalence classes. [2025-03-17 15:36:43,097 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 75 of 75 statements. [2025-03-17 15:36:43,097 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:36:43,097 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:36:43,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [751825254] [2025-03-17 15:36:43,098 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:36:43,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:36:43,098 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:36:43,099 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 15:36:43,101 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 15:36:43,121 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 75 statements into 1 equivalence classes. [2025-03-17 15:36:43,133 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 75 of 75 statements. [2025-03-17 15:36:43,133 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:36:43,134 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:36:43,134 INFO L256 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-17 15:36:43,135 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:36:43,212 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 15:36:43,212 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:36:43,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:36:43,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706287711] [2025-03-17 15:36:43,283 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:36:43,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [751825254] [2025-03-17 15:36:43,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [751825254] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:36:43,283 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:36:43,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-03-17 15:36:43,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557536075] [2025-03-17 15:36:43,284 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:36:43,284 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 15:36:43,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:36:43,284 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 15:36:43,284 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-03-17 15:36:43,285 INFO L87 Difference]: Start difference. First operand 147 states and 157 transitions. Second operand has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-17 15:36:43,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:36:43,364 INFO L93 Difference]: Finished difference Result 148 states and 157 transitions. [2025-03-17 15:36:43,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 15:36:43,364 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 75 [2025-03-17 15:36:43,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:36:43,365 INFO L225 Difference]: With dead ends: 148 [2025-03-17 15:36:43,365 INFO L226 Difference]: Without dead ends: 147 [2025-03-17 15:36:43,365 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-03-17 15:36:43,366 INFO L435 NwaCegarLoop]: 19 mSDtfsCounter, 15 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:36:43,366 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 49 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:36:43,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2025-03-17 15:36:43,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2025-03-17 15:36:43,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 135 states have (on average 1.0814814814814815) internal successors, (146), 140 states have internal predecessors, (146), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-03-17 15:36:43,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 156 transitions. [2025-03-17 15:36:43,371 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 156 transitions. Word has length 75 [2025-03-17 15:36:43,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:36:43,371 INFO L471 AbstractCegarLoop]: Abstraction has 147 states and 156 transitions. [2025-03-17 15:36:43,371 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-17 15:36:43,371 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 156 transitions. [2025-03-17 15:36:43,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2025-03-17 15:36:43,372 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:36:43,372 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1] [2025-03-17 15:36:43,378 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-03-17 15:36:43,572 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,SelfDestructingSolverStorable17 [2025-03-17 15:36:43,572 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-03-17 15:36:43,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:36:43,573 INFO L85 PathProgramCache]: Analyzing trace with hash -428602604, now seen corresponding path program 1 times [2025-03-17 15:36:43,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:36:43,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140138046] [2025-03-17 15:36:43,573 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:36:43,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:36:43,578 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-03-17 15:36:43,593 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-03-17 15:36:43,593 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:36:43,593 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:36:43,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [397224776] [2025-03-17 15:36:43,594 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:36:43,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:36:43,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:36:43,597 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 15:36:43,598 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 15:36:43,619 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-03-17 15:36:43,636 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-03-17 15:36:43,636 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:36:43,636 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:36:43,637 INFO L256 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-17 15:36:43,638 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:36:43,726 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-17 15:36:43,726 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:36:43,902 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-17 15:36:43,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:36:43,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140138046] [2025-03-17 15:36:43,903 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:36:43,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [397224776] [2025-03-17 15:36:43,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [397224776] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:36:43,903 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 15:36:43,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2025-03-17 15:36:43,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095308496] [2025-03-17 15:36:43,903 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 15:36:43,903 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-17 15:36:43,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:36:43,904 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-17 15:36:43,904 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2025-03-17 15:36:43,904 INFO L87 Difference]: Start difference. First operand 147 states and 156 transitions. Second operand has 10 states, 9 states have (on average 18.333333333333332) internal successors, (165), 10 states have internal predecessors, (165), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-03-17 15:36:44,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:36:44,103 INFO L93 Difference]: Finished difference Result 162 states and 171 transitions. [2025-03-17 15:36:44,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-17 15:36:44,104 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 18.333333333333332) internal successors, (165), 10 states have internal predecessors, (165), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 97 [2025-03-17 15:36:44,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:36:44,105 INFO L225 Difference]: With dead ends: 162 [2025-03-17 15:36:44,105 INFO L226 Difference]: Without dead ends: 160 [2025-03-17 15:36:44,105 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2025-03-17 15:36:44,105 INFO L435 NwaCegarLoop]: 36 mSDtfsCounter, 105 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 383 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 388 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:36:44,105 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 147 Invalid, 388 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 383 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:36:44,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2025-03-17 15:36:44,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 146. [2025-03-17 15:36:44,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 135 states have (on average 1.0592592592592593) internal successors, (143), 139 states have internal predecessors, (143), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-03-17 15:36:44,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 153 transitions. [2025-03-17 15:36:44,110 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 153 transitions. Word has length 97 [2025-03-17 15:36:44,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:36:44,110 INFO L471 AbstractCegarLoop]: Abstraction has 146 states and 153 transitions. [2025-03-17 15:36:44,110 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 18.333333333333332) internal successors, (165), 10 states have internal predecessors, (165), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-03-17 15:36:44,110 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 153 transitions. [2025-03-17 15:36:44,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2025-03-17 15:36:44,110 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:36:44,111 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1] [2025-03-17 15:36:44,116 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 15:36:44,314 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:36:44,315 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-03-17 15:36:44,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:36:44,315 INFO L85 PathProgramCache]: Analyzing trace with hash 429758290, now seen corresponding path program 1 times [2025-03-17 15:36:44,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:36:44,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729601047] [2025-03-17 15:36:44,315 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:36:44,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:36:44,320 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 99 statements into 1 equivalence classes. [2025-03-17 15:36:44,330 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 99 of 99 statements. [2025-03-17 15:36:44,330 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:36:44,330 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:36:44,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1830499040] [2025-03-17 15:36:44,330 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:36:44,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:36:44,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:36:44,333 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 15:36:44,335 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 15:36:44,353 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 99 statements into 1 equivalence classes. [2025-03-17 15:36:44,371 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 99 of 99 statements. [2025-03-17 15:36:44,371 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:36:44,371 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:36:44,371 INFO L256 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-03-17 15:36:44,373 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:36:44,571 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-17 15:36:44,571 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:36:44,759 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-17 15:36:44,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:36:44,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729601047] [2025-03-17 15:36:44,759 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:36:44,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1830499040] [2025-03-17 15:36:44,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1830499040] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:36:44,759 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 15:36:44,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2025-03-17 15:36:44,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146686850] [2025-03-17 15:36:44,759 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 15:36:44,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-17 15:36:44,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:36:44,760 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-17 15:36:44,760 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=110, Unknown=0, NotChecked=0, Total=182 [2025-03-17 15:36:44,760 INFO L87 Difference]: Start difference. First operand 146 states and 153 transitions. Second operand has 14 states, 13 states have (on average 13.0) internal successors, (169), 14 states have internal predecessors, (169), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-03-17 15:36:45,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:36:45,133 INFO L93 Difference]: Finished difference Result 211 states and 228 transitions. [2025-03-17 15:36:45,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-17 15:36:45,133 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 13.0) internal successors, (169), 14 states have internal predecessors, (169), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 99 [2025-03-17 15:36:45,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:36:45,134 INFO L225 Difference]: With dead ends: 211 [2025-03-17 15:36:45,135 INFO L226 Difference]: Without dead ends: 210 [2025-03-17 15:36:45,135 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=129, Invalid=177, Unknown=0, NotChecked=0, Total=306 [2025-03-17 15:36:45,135 INFO L435 NwaCegarLoop]: 23 mSDtfsCounter, 115 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 545 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 545 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:36:45,135 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 119 Invalid, 558 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 545 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 15:36:45,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2025-03-17 15:36:45,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 208. [2025-03-17 15:36:45,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 195 states have (on average 1.0769230769230769) internal successors, (210), 199 states have internal predecessors, (210), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-03-17 15:36:45,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 224 transitions. [2025-03-17 15:36:45,144 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 224 transitions. Word has length 99 [2025-03-17 15:36:45,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:36:45,145 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 224 transitions. [2025-03-17 15:36:45,145 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 13.0) internal successors, (169), 14 states have internal predecessors, (169), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-03-17 15:36:45,145 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 224 transitions. [2025-03-17 15:36:45,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2025-03-17 15:36:45,146 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:36:45,146 INFO L218 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1] [2025-03-17 15:36:45,152 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 15:36:45,346 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,SelfDestructingSolverStorable19 [2025-03-17 15:36:45,347 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-03-17 15:36:45,347 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:36:45,347 INFO L85 PathProgramCache]: Analyzing trace with hash 680858224, now seen corresponding path program 2 times [2025-03-17 15:36:45,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:36:45,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811412347] [2025-03-17 15:36:45,348 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 15:36:45,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:36:45,355 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 101 statements into 2 equivalence classes. [2025-03-17 15:36:45,372 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 101 of 101 statements. [2025-03-17 15:36:45,372 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 15:36:45,372 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:36:45,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1487822235] [2025-03-17 15:36:45,373 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 15:36:45,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:36:45,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:36:45,375 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 15:36:45,377 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 15:36:45,398 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 101 statements into 2 equivalence classes. [2025-03-17 15:36:45,416 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 101 of 101 statements. [2025-03-17 15:36:45,416 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 15:36:45,416 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:36:45,417 INFO L256 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-03-17 15:36:45,418 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:36:45,678 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 6 proven. 90 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-03-17 15:36:45,678 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:36:46,316 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 6 proven. 90 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-03-17 15:36:46,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:36:46,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811412347] [2025-03-17 15:36:46,317 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:36:46,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1487822235] [2025-03-17 15:36:46,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1487822235] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:36:46,317 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 15:36:46,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 19 [2025-03-17 15:36:46,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195616294] [2025-03-17 15:36:46,317 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 15:36:46,317 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2025-03-17 15:36:46,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:36:46,318 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2025-03-17 15:36:46,318 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=279, Unknown=0, NotChecked=0, Total=380 [2025-03-17 15:36:46,318 INFO L87 Difference]: Start difference. First operand 208 states and 224 transitions. Second operand has 20 states, 19 states have (on average 9.368421052631579) internal successors, (178), 20 states have internal predecessors, (178), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-03-17 15:36:47,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:36:47,506 INFO L93 Difference]: Finished difference Result 245 states and 263 transitions. [2025-03-17 15:36:47,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-03-17 15:36:47,506 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 9.368421052631579) internal successors, (178), 20 states have internal predecessors, (178), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 101 [2025-03-17 15:36:47,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:36:47,507 INFO L225 Difference]: With dead ends: 245 [2025-03-17 15:36:47,507 INFO L226 Difference]: Without dead ends: 243 [2025-03-17 15:36:47,507 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=291, Invalid=701, Unknown=0, NotChecked=0, Total=992 [2025-03-17 15:36:47,508 INFO L435 NwaCegarLoop]: 22 mSDtfsCounter, 244 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 1086 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 1112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 1086 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-03-17 15:36:47,508 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [245 Valid, 192 Invalid, 1112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 1086 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-03-17 15:36:47,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2025-03-17 15:36:47,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 238. [2025-03-17 15:36:47,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 224 states have (on average 1.0669642857142858) internal successors, (239), 228 states have internal predecessors, (239), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-03-17 15:36:47,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 255 transitions. [2025-03-17 15:36:47,517 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 255 transitions. Word has length 101 [2025-03-17 15:36:47,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:36:47,518 INFO L471 AbstractCegarLoop]: Abstraction has 238 states and 255 transitions. [2025-03-17 15:36:47,518 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 9.368421052631579) internal successors, (178), 20 states have internal predecessors, (178), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-03-17 15:36:47,518 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 255 transitions. [2025-03-17 15:36:47,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2025-03-17 15:36:47,518 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:36:47,518 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1] [2025-03-17 15:36:47,524 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 15:36:47,718 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:36:47,719 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-03-17 15:36:47,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:36:47,719 INFO L85 PathProgramCache]: Analyzing trace with hash 1296293608, now seen corresponding path program 2 times [2025-03-17 15:36:47,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:36:47,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424629805] [2025-03-17 15:36:47,719 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 15:36:47,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:36:47,723 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 109 statements into 2 equivalence classes. [2025-03-17 15:36:47,734 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 109 of 109 statements. [2025-03-17 15:36:47,734 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 15:36:47,734 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:36:47,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [552668632] [2025-03-17 15:36:47,735 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 15:36:47,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:36:47,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:36:47,737 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 15:36:47,738 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 15:36:47,760 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 109 statements into 2 equivalence classes. [2025-03-17 15:36:47,777 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 109 of 109 statements. [2025-03-17 15:36:47,777 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 15:36:47,777 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:36:47,778 INFO L256 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-03-17 15:36:47,779 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:36:47,878 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-17 15:36:47,878 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:36:48,023 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 90 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-17 15:36:48,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:36:48,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424629805] [2025-03-17 15:36:48,024 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:36:48,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [552668632] [2025-03-17 15:36:48,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [552668632] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:36:48,024 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 15:36:48,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2025-03-17 15:36:48,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690612780] [2025-03-17 15:36:48,024 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 15:36:48,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-17 15:36:48,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:36:48,025 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-17 15:36:48,025 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2025-03-17 15:36:48,025 INFO L87 Difference]: Start difference. First operand 238 states and 255 transitions. Second operand has 12 states, 11 states have (on average 17.181818181818183) internal successors, (189), 12 states have internal predecessors, (189), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-03-17 15:36:48,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:36:48,194 INFO L93 Difference]: Finished difference Result 238 states and 255 transitions. [2025-03-17 15:36:48,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-17 15:36:48,195 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 17.181818181818183) internal successors, (189), 12 states have internal predecessors, (189), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 109 [2025-03-17 15:36:48,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:36:48,196 INFO L225 Difference]: With dead ends: 238 [2025-03-17 15:36:48,196 INFO L226 Difference]: Without dead ends: 237 [2025-03-17 15:36:48,196 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=178, Unknown=0, NotChecked=0, Total=272 [2025-03-17 15:36:48,197 INFO L435 NwaCegarLoop]: 34 mSDtfsCounter, 128 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 453 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 466 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 453 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:36:48,197 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 138 Invalid, 466 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 453 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:36:48,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2025-03-17 15:36:48,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 237. [2025-03-17 15:36:48,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 237 states, 224 states have (on average 1.0446428571428572) internal successors, (234), 227 states have internal predecessors, (234), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-03-17 15:36:48,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 250 transitions. [2025-03-17 15:36:48,206 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 250 transitions. Word has length 109 [2025-03-17 15:36:48,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:36:48,207 INFO L471 AbstractCegarLoop]: Abstraction has 237 states and 250 transitions. [2025-03-17 15:36:48,207 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 17.181818181818183) internal successors, (189), 12 states have internal predecessors, (189), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-03-17 15:36:48,207 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 250 transitions. [2025-03-17 15:36:48,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2025-03-17 15:36:48,207 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:36:48,207 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1] [2025-03-17 15:36:48,213 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 15:36:48,408 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:36:48,408 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-03-17 15:36:48,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:36:48,409 INFO L85 PathProgramCache]: Analyzing trace with hash -592227397, now seen corresponding path program 2 times [2025-03-17 15:36:48,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:36:48,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513687340] [2025-03-17 15:36:48,409 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 15:36:48,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:36:48,413 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 139 statements into 2 equivalence classes. [2025-03-17 15:36:48,426 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 139 of 139 statements. [2025-03-17 15:36:48,426 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 15:36:48,426 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:36:48,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1560322705] [2025-03-17 15:36:48,427 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 15:36:48,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:36:48,427 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:36:48,429 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 15:36:48,430 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 15:36:48,451 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 139 statements into 2 equivalence classes. [2025-03-17 15:36:48,470 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 139 of 139 statements. [2025-03-17 15:36:48,470 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 15:36:48,470 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:36:48,471 INFO L256 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-17 15:36:48,472 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:36:48,588 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 0 proven. 200 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-17 15:36:48,589 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:36:48,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:36:48,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513687340] [2025-03-17 15:36:48,650 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:36:48,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1560322705] [2025-03-17 15:36:48,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1560322705] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:36:48,650 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:36:48,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2025-03-17 15:36:48,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006121309] [2025-03-17 15:36:48,650 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:36:48,650 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-17 15:36:48,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:36:48,651 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-17 15:36:48,651 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2025-03-17 15:36:48,651 INFO L87 Difference]: Start difference. First operand 237 states and 250 transitions. Second operand has 7 states, 6 states have (on average 20.333333333333332) internal successors, (122), 7 states have internal predecessors, (122), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-17 15:36:48,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:36:48,765 INFO L93 Difference]: Finished difference Result 239 states and 250 transitions. [2025-03-17 15:36:48,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-17 15:36:48,766 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 20.333333333333332) internal successors, (122), 7 states have internal predecessors, (122), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 139 [2025-03-17 15:36:48,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:36:48,766 INFO L225 Difference]: With dead ends: 239 [2025-03-17 15:36:48,767 INFO L226 Difference]: Without dead ends: 238 [2025-03-17 15:36:48,767 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2025-03-17 15:36:48,767 INFO L435 NwaCegarLoop]: 17 mSDtfsCounter, 16 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:36:48,767 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 64 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:36:48,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2025-03-17 15:36:48,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 237. [2025-03-17 15:36:48,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 237 states, 224 states have (on average 1.0401785714285714) internal successors, (233), 227 states have internal predecessors, (233), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-03-17 15:36:48,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 249 transitions. [2025-03-17 15:36:48,775 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 249 transitions. Word has length 139 [2025-03-17 15:36:48,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:36:48,775 INFO L471 AbstractCegarLoop]: Abstraction has 237 states and 249 transitions. [2025-03-17 15:36:48,775 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 20.333333333333332) internal successors, (122), 7 states have internal predecessors, (122), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-17 15:36:48,775 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 249 transitions. [2025-03-17 15:36:48,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2025-03-17 15:36:48,776 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:36:48,776 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1] [2025-03-17 15:36:48,782 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 15:36:48,980 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,SelfDestructingSolverStorable22 [2025-03-17 15:36:48,982 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-03-17 15:36:48,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:36:48,983 INFO L85 PathProgramCache]: Analyzing trace with hash -964060678, now seen corresponding path program 2 times [2025-03-17 15:36:48,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:36:48,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490142095] [2025-03-17 15:36:48,983 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 15:36:48,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:36:48,988 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 157 statements into 2 equivalence classes. [2025-03-17 15:36:48,989 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 29 of 157 statements. [2025-03-17 15:36:48,989 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-17 15:36:48,990 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:36:49,011 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2025-03-17 15:36:49,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:36:49,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490142095] [2025-03-17 15:36:49,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490142095] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:36:49,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [3288627] [2025-03-17 15:36:49,012 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 15:36:49,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:36:49,012 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:36:49,014 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 15:36:49,015 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 15:36:49,038 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 157 statements into 2 equivalence classes. [2025-03-17 15:36:49,044 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 29 of 157 statements. [2025-03-17 15:36:49,044 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-17 15:36:49,044 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:36:49,045 INFO L256 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-17 15:36:49,046 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:36:49,151 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2025-03-17 15:36:49,151 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:36:49,276 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2025-03-17 15:36:49,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [3288627] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:36:49,277 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:36:49,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2025-03-17 15:36:49,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954317986] [2025-03-17 15:36:49,277 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:36:49,277 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 15:36:49,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:36:49,277 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 15:36:49,277 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-03-17 15:36:49,278 INFO L87 Difference]: Start difference. First operand 237 states and 249 transitions. Second operand has 6 states, 5 states have (on average 13.8) internal successors, (69), 6 states have internal predecessors, (69), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-17 15:36:49,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:36:49,298 INFO L93 Difference]: Finished difference Result 237 states and 249 transitions. [2025-03-17 15:36:49,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 15:36:49,298 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.8) internal successors, (69), 6 states have internal predecessors, (69), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 157 [2025-03-17 15:36:49,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:36:49,299 INFO L225 Difference]: With dead ends: 237 [2025-03-17 15:36:49,299 INFO L226 Difference]: Without dead ends: 236 [2025-03-17 15:36:49,299 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 317 GetRequests, 311 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:36:49,299 INFO L435 NwaCegarLoop]: 35 mSDtfsCounter, 48 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 15:36:49,299 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 80 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 15:36:49,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2025-03-17 15:36:49,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 236. [2025-03-17 15:36:49,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 224 states have (on average 1.0223214285714286) internal successors, (229), 226 states have internal predecessors, (229), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-03-17 15:36:49,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 245 transitions. [2025-03-17 15:36:49,307 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 245 transitions. Word has length 157 [2025-03-17 15:36:49,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:36:49,307 INFO L471 AbstractCegarLoop]: Abstraction has 236 states and 245 transitions. [2025-03-17 15:36:49,307 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.8) internal successors, (69), 6 states have internal predecessors, (69), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-17 15:36:49,307 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 245 transitions. [2025-03-17 15:36:49,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2025-03-17 15:36:49,308 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:36:49,308 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1] [2025-03-17 15:36:49,314 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 15:36:49,508 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:36:49,508 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-03-17 15:36:49,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:36:49,509 INFO L85 PathProgramCache]: Analyzing trace with hash -1192951892, now seen corresponding path program 3 times [2025-03-17 15:36:49,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:36:49,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156171832] [2025-03-17 15:36:49,509 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-17 15:36:49,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:36:49,514 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 171 statements into 6 equivalence classes. [2025-03-17 15:36:49,537 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) and asserted 171 of 171 statements. [2025-03-17 15:36:49,537 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2025-03-17 15:36:49,537 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:36:49,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1612439999] [2025-03-17 15:36:49,538 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-17 15:36:49,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:36:49,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:36:49,540 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 15:36:49,542 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 15:36:49,564 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 171 statements into 6 equivalence classes. [2025-03-17 15:36:49,575 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 43 of 171 statements. [2025-03-17 15:36:49,575 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-03-17 15:36:49,575 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:36:49,575 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-03-17 15:36:49,576 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:36:57,628 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse0 (+ |c_ULTIMATE.start_main_~y~0#1| (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 2) (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 3)))) (and (= (mod .cse0 6) 0) (<= (div .cse0 6) 1537228672809129301))) is different from true [2025-03-17 15:37:17,677 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2025-03-17 15:37:17,678 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:37:17,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:37:17,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156171832] [2025-03-17 15:37:17,678 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:37:17,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1612439999] [2025-03-17 15:37:17,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1612439999] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:37:17,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:37:17,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-17 15:37:17,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786367118] [2025-03-17 15:37:17,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:37:17,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-17 15:37:17,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:37:17,678 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-17 15:37:17,678 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=22, Unknown=1, NotChecked=8, Total=42 [2025-03-17 15:37:17,678 INFO L87 Difference]: Start difference. First operand 236 states and 245 transitions. Second operand has 7 states, 6 states have (on average 8.833333333333334) internal successors, (53), 7 states have internal predecessors, (53), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 15:37:17,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:37:17,793 INFO L93 Difference]: Finished difference Result 236 states and 245 transitions. [2025-03-17 15:37:17,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-17 15:37:17,794 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.833333333333334) internal successors, (53), 7 states have internal predecessors, (53), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 171 [2025-03-17 15:37:17,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:37:17,795 INFO L225 Difference]: With dead ends: 236 [2025-03-17 15:37:17,795 INFO L226 Difference]: Without dead ends: 235 [2025-03-17 15:37:17,795 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 165 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=23, Invalid=52, Unknown=1, NotChecked=14, Total=90 [2025-03-17 15:37:17,795 INFO L435 NwaCegarLoop]: 8 mSDtfsCounter, 57 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 50 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:37:17,795 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 30 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 120 Invalid, 0 Unknown, 50 Unchecked, 0.1s Time] [2025-03-17 15:37:17,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2025-03-17 15:37:17,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 235. [2025-03-17 15:37:17,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 224 states have (on average 1.0089285714285714) internal successors, (226), 225 states have internal predecessors, (226), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-03-17 15:37:17,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 242 transitions. [2025-03-17 15:37:17,804 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 242 transitions. Word has length 171 [2025-03-17 15:37:17,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:37:17,804 INFO L471 AbstractCegarLoop]: Abstraction has 235 states and 242 transitions. [2025-03-17 15:37:17,804 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.833333333333334) internal successors, (53), 7 states have internal predecessors, (53), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 15:37:17,804 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 242 transitions. [2025-03-17 15:37:17,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2025-03-17 15:37:17,806 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:37:17,806 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 1, 1, 1, 1] [2025-03-17 15:37:17,812 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2025-03-17 15:37:18,006 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:37:18,006 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-03-17 15:37:18,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:37:18,007 INFO L85 PathProgramCache]: Analyzing trace with hash -1519688697, now seen corresponding path program 2 times [2025-03-17 15:37:18,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:37:18,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465794447] [2025-03-17 15:37:18,007 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 15:37:18,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:37:18,014 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 259 statements into 2 equivalence classes. [2025-03-17 15:37:18,061 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 259 of 259 statements. [2025-03-17 15:37:18,061 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 15:37:18,062 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:37:18,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1609751383] [2025-03-17 15:37:18,063 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 15:37:18,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:37:18,063 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:37:18,068 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 15:37:18,069 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 15:37:18,095 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 259 statements into 2 equivalence classes. [2025-03-17 15:37:18,103 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 35 of 259 statements. [2025-03-17 15:37:18,103 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-17 15:37:18,104 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:37:18,104 INFO L256 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-03-17 15:37:18,106 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:37:18,207 INFO L134 CoverageAnalysis]: Checked inductivity of 896 backedges. 203 proven. 0 refuted. 0 times theorem prover too weak. 693 trivial. 0 not checked. [2025-03-17 15:37:18,208 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:37:18,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:37:18,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465794447] [2025-03-17 15:37:18,208 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:37:18,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1609751383] [2025-03-17 15:37:18,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1609751383] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:37:18,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:37:18,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-17 15:37:18,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730467196] [2025-03-17 15:37:18,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:37:18,209 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-17 15:37:18,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:37:18,209 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-17 15:37:18,209 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:37:18,209 INFO L87 Difference]: Start difference. First operand 235 states and 242 transitions. Second operand has 8 states, 7 states have (on average 8.857142857142858) internal successors, (62), 8 states have internal predecessors, (62), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-17 15:37:18,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:37:18,325 INFO L93 Difference]: Finished difference Result 237 states and 244 transitions. [2025-03-17 15:37:18,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-17 15:37:18,325 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.857142857142858) internal successors, (62), 8 states have internal predecessors, (62), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 259 [2025-03-17 15:37:18,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:37:18,326 INFO L225 Difference]: With dead ends: 237 [2025-03-17 15:37:18,326 INFO L226 Difference]: Without dead ends: 236 [2025-03-17 15:37:18,326 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2025-03-17 15:37:18,327 INFO L435 NwaCegarLoop]: 9 mSDtfsCounter, 42 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:37:18,327 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 36 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:37:18,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2025-03-17 15:37:18,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 234. [2025-03-17 15:37:18,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 224 states have (on average 1.0044642857142858) internal successors, (225), 224 states have internal predecessors, (225), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-03-17 15:37:18,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 241 transitions. [2025-03-17 15:37:18,340 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 241 transitions. Word has length 259 [2025-03-17 15:37:18,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:37:18,340 INFO L471 AbstractCegarLoop]: Abstraction has 234 states and 241 transitions. [2025-03-17 15:37:18,341 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.857142857142858) internal successors, (62), 8 states have internal predecessors, (62), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-17 15:37:18,341 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 241 transitions. [2025-03-17 15:37:18,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2025-03-17 15:37:18,342 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:37:18,342 INFO L218 NwaCegarLoop]: trace histogram [9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1] [2025-03-17 15:37:18,349 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 15:37:18,542 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:37:18,543 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-03-17 15:37:18,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:37:18,543 INFO L85 PathProgramCache]: Analyzing trace with hash -131955227, now seen corresponding path program 3 times [2025-03-17 15:37:18,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:37:18,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64893305] [2025-03-17 15:37:18,543 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-17 15:37:18,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:37:18,550 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 261 statements into 9 equivalence classes. [2025-03-17 15:37:18,582 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) and asserted 261 of 261 statements. [2025-03-17 15:37:18,582 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2025-03-17 15:37:18,582 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:37:18,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1161533015] [2025-03-17 15:37:18,586 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-17 15:37:18,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:37:18,587 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:37:18,588 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 15:37:18,589 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 15:37:18,615 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 261 statements into 9 equivalence classes. [2025-03-17 15:37:18,788 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) and asserted 261 of 261 statements. [2025-03-17 15:37:18,788 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2025-03-17 15:37:18,788 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:37:18,795 INFO L256 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 32 conjuncts are in the unsatisfiable core [2025-03-17 15:37:18,798 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:37:19,168 INFO L134 CoverageAnalysis]: Checked inductivity of 912 backedges. 12 proven. 809 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2025-03-17 15:37:19,168 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:37:27,598 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 3))) (or (not (= (mod (+ (* |c_ULTIMATE.start_main_~y~0#1| 5) (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 4) .cse0) 6) 0)) (< (+ (* (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|) 5) (* |c_ULTIMATE.start_main_~y~0#1| 20)) (+ 1537228672809129272 (div (+ (* (- 1) |c_ULTIMATE.start_main_~y~0#1|) .cse0 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| (- 2))) 6))))) is different from false