./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound100.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/egcd3-ll_valuebound100.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 c3e4caaff40cd418d8c93f0410c37d1e421cc5f90c41578bfaa7bb16ff289f1e --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 15:15:20,844 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 15:15:20,900 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-03-17 15:15:20,905 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 15:15:20,906 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 15:15:20,927 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 15:15:20,928 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 15:15:20,928 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 15:15:20,928 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 15:15:20,929 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 15:15:20,929 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 15:15:20,929 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 15:15:20,930 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 15:15:20,930 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 15:15:20,930 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 15:15:20,930 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 15:15:20,930 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 15:15:20,930 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-17 15:15:20,930 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 15:15:20,930 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-17 15:15:20,931 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 15:15:20,931 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 15:15:20,931 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 15:15:20,931 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 15:15:20,931 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-17 15:15:20,931 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-17 15:15:20,931 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-17 15:15:20,931 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 15:15:20,931 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 15:15:20,931 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 15:15:20,931 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 15:15:20,932 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 15:15:20,932 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 15:15:20,932 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 15:15:20,932 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 15:15:20,932 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 15:15:20,932 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 15:15:20,932 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 15:15:20,932 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 15:15:20,932 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 15:15:20,933 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 15:15:20,933 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 15:15:20,933 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 15:15:20,933 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 15:15:20,933 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 15:15:20,933 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 -> c3e4caaff40cd418d8c93f0410c37d1e421cc5f90c41578bfaa7bb16ff289f1e [2025-03-17 15:15:21,163 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 15:15:21,168 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 15:15:21,171 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 15:15:21,172 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 15:15:21,173 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 15:15:21,175 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound100.c [2025-03-17 15:15:22,346 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21da289a5/8af4e0358cee4d989ebef60b1113e15a/FLAGc4de77890 [2025-03-17 15:15:22,574 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 15:15:22,576 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound100.c [2025-03-17 15:15:22,588 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21da289a5/8af4e0358cee4d989ebef60b1113e15a/FLAGc4de77890 [2025-03-17 15:15:22,904 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21da289a5/8af4e0358cee4d989ebef60b1113e15a [2025-03-17 15:15:22,906 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 15:15:22,907 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 15:15:22,908 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 15:15:22,908 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 15:15:22,912 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 15:15:22,913 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 03:15:22" (1/1) ... [2025-03-17 15:15:22,913 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fab4346 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:15:22, skipping insertion in model container [2025-03-17 15:15:22,914 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 03:15:22" (1/1) ... [2025-03-17 15:15:22,924 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 15:15:23,040 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 15:15:23,048 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 15:15:23,068 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 15:15:23,080 INFO L204 MainTranslator]: Completed translation [2025-03-17 15:15:23,080 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:15:23 WrapperNode [2025-03-17 15:15:23,080 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 15:15:23,082 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 15:15:23,082 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 15:15:23,082 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 15:15:23,086 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:15:23" (1/1) ... [2025-03-17 15:15:23,090 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:15:23" (1/1) ... [2025-03-17 15:15:23,105 INFO L138 Inliner]: procedures = 14, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 130 [2025-03-17 15:15:23,105 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 15:15:23,106 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 15:15:23,106 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 15:15:23,106 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 15:15:23,114 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:15:23" (1/1) ... [2025-03-17 15:15:23,114 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:15:23" (1/1) ... [2025-03-17 15:15:23,115 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:15:23" (1/1) ... [2025-03-17 15:15:23,128 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 15:15:23,129 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:15:23" (1/1) ... [2025-03-17 15:15:23,129 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:15:23" (1/1) ... [2025-03-17 15:15:23,131 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:15:23" (1/1) ... [2025-03-17 15:15:23,131 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:15:23" (1/1) ... [2025-03-17 15:15:23,132 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:15:23" (1/1) ... [2025-03-17 15:15:23,132 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:15:23" (1/1) ... [2025-03-17 15:15:23,133 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 15:15:23,134 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 15:15:23,134 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 15:15:23,134 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 15:15:23,135 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:15:23" (1/1) ... [2025-03-17 15:15:23,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 15:15:23,148 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:15:23,160 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 15:15:23,163 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 15:15:23,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 15:15:23,178 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-17 15:15:23,178 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-17 15:15:23,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 15:15:23,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 15:15:23,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 15:15:23,179 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-17 15:15:23,179 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-17 15:15:23,216 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 15:15:23,217 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 15:15:23,578 INFO L? ?]: Removed 131 outVars from TransFormulas that were not future-live. [2025-03-17 15:15:23,578 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 15:15:23,587 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 15:15:23,587 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 15:15:23,588 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 03:15:23 BoogieIcfgContainer [2025-03-17 15:15:23,588 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 15:15:23,590 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 15:15:23,590 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 15:15:23,594 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 15:15:23,594 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 03:15:22" (1/3) ... [2025-03-17 15:15:23,594 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@180caf89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 03:15:23, skipping insertion in model container [2025-03-17 15:15:23,595 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:15:23" (2/3) ... [2025-03-17 15:15:23,595 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@180caf89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 03:15:23, skipping insertion in model container [2025-03-17 15:15:23,596 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 03:15:23" (3/3) ... [2025-03-17 15:15:23,596 INFO L128 eAbstractionObserver]: Analyzing ICFG egcd3-ll_valuebound100.c [2025-03-17 15:15:23,607 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 15:15:23,609 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG egcd3-ll_valuebound100.c that has 3 procedures, 127 locations, 1 initial locations, 3 loop locations, and 50 error locations. [2025-03-17 15:15:23,649 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 15:15:23,657 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;@5e7aa347, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 15:15:23,659 INFO L334 AbstractCegarLoop]: Starting to check reachability of 50 error locations. [2025-03-17 15:15:23,662 INFO L276 IsEmpty]: Start isEmpty. Operand has 127 states, 65 states have (on average 1.8923076923076922) internal successors, (123), 115 states have internal predecessors, (123), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-03-17 15:15:23,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2025-03-17 15:15:23,667 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:15:23,667 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:15:23,667 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:15:23,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:15:23,673 INFO L85 PathProgramCache]: Analyzing trace with hash -841350230, now seen corresponding path program 1 times [2025-03-17 15:15:23,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:15:23,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773910796] [2025-03-17 15:15:23,678 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:23,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:15:23,719 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-03-17 15:15:23,731 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-03-17 15:15:23,732 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:23,732 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:15:23,765 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-03-17 15:15:23,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:15:23,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773910796] [2025-03-17 15:15:23,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [773910796] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:15:23,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1064366877] [2025-03-17 15:15:23,766 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:23,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:15:23,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:15:23,769 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 15:15:23,771 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 15:15:23,803 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-03-17 15:15:23,818 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-03-17 15:15:23,818 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:23,818 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:15:23,820 INFO L256 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-17 15:15:23,823 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:15:23,831 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-03-17 15:15:23,834 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:15:23,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1064366877] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:15:23,834 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:15:23,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-17 15:15:23,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261676642] [2025-03-17 15:15:23,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:15:23,840 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-17 15:15:23,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:15:23,854 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-17 15:15:23,854 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 15:15:23,856 INFO L87 Difference]: Start difference. First operand has 127 states, 65 states have (on average 1.8923076923076922) internal successors, (123), 115 states have internal predecessors, (123), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-17 15:15:23,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:15:23,878 INFO L93 Difference]: Finished difference Result 252 states and 288 transitions. [2025-03-17 15:15:23,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-17 15:15:23,879 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 25 [2025-03-17 15:15:23,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:15:23,884 INFO L225 Difference]: With dead ends: 252 [2025-03-17 15:15:23,885 INFO L226 Difference]: Without dead ends: 123 [2025-03-17 15:15:23,887 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 15:15:23,891 INFO L435 NwaCegarLoop]: 136 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 15:15:23,891 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 15:15:23,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2025-03-17 15:15:23,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2025-03-17 15:15:23,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 63 states have (on average 1.8253968253968254) internal successors, (115), 112 states have internal predecessors, (115), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-03-17 15:15:23,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 131 transitions. [2025-03-17 15:15:23,929 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 131 transitions. Word has length 25 [2025-03-17 15:15:23,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:15:23,930 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 131 transitions. [2025-03-17 15:15:23,930 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-17 15:15:23,930 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 131 transitions. [2025-03-17 15:15:23,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2025-03-17 15:15:23,931 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:15:23,931 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:15:23,938 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-03-17 15:15:24,132 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-03-17 15:15:24,132 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:15:24,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:15:24,133 INFO L85 PathProgramCache]: Analyzing trace with hash -863295608, now seen corresponding path program 1 times [2025-03-17 15:15:24,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:15:24,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994249068] [2025-03-17 15:15:24,133 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:24,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:15:24,139 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-03-17 15:15:24,155 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-03-17 15:15:24,155 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:24,156 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:15:24,311 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-03-17 15:15:24,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:15:24,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994249068] [2025-03-17 15:15:24,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994249068] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:15:24,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:15:24,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-17 15:15:24,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188271250] [2025-03-17 15:15:24,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:15:24,313 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 15:15:24,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:15:24,314 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 15:15:24,314 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-17 15:15:24,314 INFO L87 Difference]: Start difference. First operand 123 states and 131 transitions. Second operand has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 5 states have internal predecessors, (11), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-17 15:15:24,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:15:24,598 INFO L93 Difference]: Finished difference Result 209 states and 229 transitions. [2025-03-17 15:15:24,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-17 15:15:24,598 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 5 states have internal predecessors, (11), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 25 [2025-03-17 15:15:24,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:15:24,599 INFO L225 Difference]: With dead ends: 209 [2025-03-17 15:15:24,600 INFO L226 Difference]: Without dead ends: 181 [2025-03-17 15:15:24,600 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2025-03-17 15:15:24,600 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 200 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 243 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:15:24,600 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 312 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 243 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:15:24,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2025-03-17 15:15:24,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 124. [2025-03-17 15:15:24,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 64 states have (on average 1.8125) internal successors, (116), 113 states have internal predecessors, (116), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-03-17 15:15:24,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 132 transitions. [2025-03-17 15:15:24,612 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 132 transitions. Word has length 25 [2025-03-17 15:15:24,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:15:24,612 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 132 transitions. [2025-03-17 15:15:24,612 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 5 states have internal predecessors, (11), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-17 15:15:24,612 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 132 transitions. [2025-03-17 15:15:24,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2025-03-17 15:15:24,613 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:15:24,613 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:15:24,613 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-17 15:15:24,613 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:15:24,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:15:24,614 INFO L85 PathProgramCache]: Analyzing trace with hash -992355438, now seen corresponding path program 1 times [2025-03-17 15:15:24,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:15:24,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667002544] [2025-03-17 15:15:24,615 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:24,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:15:24,620 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-03-17 15:15:24,638 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-03-17 15:15:24,640 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:24,641 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:15:24,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [341132429] [2025-03-17 15:15:24,643 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:24,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:15:24,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:15:24,645 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 15:15:24,647 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 15:15:24,669 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-03-17 15:15:24,680 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-03-17 15:15:24,680 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:24,680 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:15:24,681 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-17 15:15:24,682 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:15:24,696 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-17 15:15:24,696 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:15:24,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:15:24,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667002544] [2025-03-17 15:15:24,696 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:15:24,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [341132429] [2025-03-17 15:15:24,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [341132429] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:15:24,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:15:24,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 15:15:24,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960183269] [2025-03-17 15:15:24,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:15:24,697 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 15:15:24,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:15:24,697 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 15:15:24,697 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 15:15:24,697 INFO L87 Difference]: Start difference. First operand 124 states and 132 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-17 15:15:24,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:15:24,780 INFO L93 Difference]: Finished difference Result 193 states and 209 transitions. [2025-03-17 15:15:24,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 15:15:24,780 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 26 [2025-03-17 15:15:24,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:15:24,781 INFO L225 Difference]: With dead ends: 193 [2025-03-17 15:15:24,781 INFO L226 Difference]: Without dead ends: 191 [2025-03-17 15:15:24,782 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 24 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 15:15:24,782 INFO L435 NwaCegarLoop]: 124 mSDtfsCounter, 63 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 233 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:15:24,782 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 233 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:15:24,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2025-03-17 15:15:24,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 158. [2025-03-17 15:15:24,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 94 states have (on average 1.851063829787234) internal successors, (174), 143 states have internal predecessors, (174), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-03-17 15:15:24,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 198 transitions. [2025-03-17 15:15:24,790 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 198 transitions. Word has length 26 [2025-03-17 15:15:24,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:15:24,791 INFO L471 AbstractCegarLoop]: Abstraction has 158 states and 198 transitions. [2025-03-17 15:15:24,791 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-17 15:15:24,791 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 198 transitions. [2025-03-17 15:15:24,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2025-03-17 15:15:24,791 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:15:24,791 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:15:24,797 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 15:15:24,996 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,SelfDestructingSolverStorable2 [2025-03-17 15:15:24,996 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:15:24,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:15:24,996 INFO L85 PathProgramCache]: Analyzing trace with hash -698251305, now seen corresponding path program 1 times [2025-03-17 15:15:24,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:15:24,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49770298] [2025-03-17 15:15:24,997 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:24,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:15:25,000 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-03-17 15:15:25,008 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-03-17 15:15:25,012 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:25,012 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:15:25,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [239230128] [2025-03-17 15:15:25,013 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:25,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:15:25,013 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:15:25,016 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 15:15:25,018 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 15:15:25,039 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-03-17 15:15:25,048 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-03-17 15:15:25,048 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:25,048 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:15:25,049 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-17 15:15:25,050 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:15:25,064 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-17 15:15:25,065 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:15:25,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:15:25,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49770298] [2025-03-17 15:15:25,065 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:15:25,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [239230128] [2025-03-17 15:15:25,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [239230128] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:15:25,065 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:15:25,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 15:15:25,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437301212] [2025-03-17 15:15:25,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:15:25,065 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 15:15:25,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:15:25,065 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 15:15:25,066 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 15:15:25,066 INFO L87 Difference]: Start difference. First operand 158 states and 198 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-17 15:15:25,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:15:25,154 INFO L93 Difference]: Finished difference Result 189 states and 207 transitions. [2025-03-17 15:15:25,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 15:15:25,154 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 27 [2025-03-17 15:15:25,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:15:25,155 INFO L225 Difference]: With dead ends: 189 [2025-03-17 15:15:25,155 INFO L226 Difference]: Without dead ends: 185 [2025-03-17 15:15:25,156 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 25 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 15:15:25,156 INFO L435 NwaCegarLoop]: 118 mSDtfsCounter, 56 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:15:25,156 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 215 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:15:25,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2025-03-17 15:15:25,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 161. [2025-03-17 15:15:25,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 97 states have (on average 1.8041237113402062) internal successors, (175), 146 states have internal predecessors, (175), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-03-17 15:15:25,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 199 transitions. [2025-03-17 15:15:25,164 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 199 transitions. Word has length 27 [2025-03-17 15:15:25,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:15:25,164 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 199 transitions. [2025-03-17 15:15:25,164 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-17 15:15:25,164 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 199 transitions. [2025-03-17 15:15:25,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2025-03-17 15:15:25,165 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:15:25,165 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:15:25,173 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 15:15:25,365 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:15:25,366 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:15:25,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:15:25,366 INFO L85 PathProgramCache]: Analyzing trace with hash -170833808, now seen corresponding path program 1 times [2025-03-17 15:15:25,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:15:25,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180624380] [2025-03-17 15:15:25,366 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:25,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:15:25,371 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-03-17 15:15:25,386 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-03-17 15:15:25,386 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:25,386 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:15:25,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1935044547] [2025-03-17 15:15:25,389 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:25,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:15:25,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:15:25,392 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 15:15:25,394 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 15:15:25,414 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-03-17 15:15:25,424 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-03-17 15:15:25,424 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:25,424 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:15:25,424 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-17 15:15:25,425 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:15:25,476 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-17 15:15:25,476 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:15:25,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:15:25,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180624380] [2025-03-17 15:15:25,476 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:15:25,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1935044547] [2025-03-17 15:15:25,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1935044547] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:15:25,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:15:25,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:15:25,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134962207] [2025-03-17 15:15:25,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:15:25,477 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:15:25,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:15:25,477 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:15:25,477 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:15:25,478 INFO L87 Difference]: Start difference. First operand 161 states and 199 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-17 15:15:25,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:15:25,599 INFO L93 Difference]: Finished difference Result 180 states and 199 transitions. [2025-03-17 15:15:25,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:15:25,600 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 28 [2025-03-17 15:15:25,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:15:25,600 INFO L225 Difference]: With dead ends: 180 [2025-03-17 15:15:25,600 INFO L226 Difference]: Without dead ends: 179 [2025-03-17 15:15:25,601 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 25 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 15:15:25,601 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 136 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 193 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 15:15:25,601 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 193 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:15:25,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2025-03-17 15:15:25,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 161. [2025-03-17 15:15:25,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 97 states have (on average 1.7938144329896908) internal successors, (174), 146 states have internal predecessors, (174), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-03-17 15:15:25,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 198 transitions. [2025-03-17 15:15:25,613 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 198 transitions. Word has length 28 [2025-03-17 15:15:25,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:15:25,615 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 198 transitions. [2025-03-17 15:15:25,615 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-17 15:15:25,616 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 198 transitions. [2025-03-17 15:15:25,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2025-03-17 15:15:25,616 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:15:25,616 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:15:25,623 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-03-17 15:15:25,816 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:15:25,817 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:15:25,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:15:25,817 INFO L85 PathProgramCache]: Analyzing trace with hash -1000880681, now seen corresponding path program 1 times [2025-03-17 15:15:25,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:15:25,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839859847] [2025-03-17 15:15:25,817 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:25,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:15:25,821 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-03-17 15:15:25,832 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-03-17 15:15:25,833 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:25,833 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:15:25,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1080408093] [2025-03-17 15:15:25,834 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:25,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:15:25,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:15:25,837 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 15:15:25,838 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 15:15:25,855 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-03-17 15:15:25,864 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-03-17 15:15:25,864 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:25,864 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:15:25,864 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-17 15:15:25,865 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:15:25,903 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-17 15:15:25,903 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:15:25,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:15:25,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839859847] [2025-03-17 15:15:25,903 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:15:25,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1080408093] [2025-03-17 15:15:25,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1080408093] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:15:25,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:15:25,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:15:25,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011122466] [2025-03-17 15:15:25,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:15:25,903 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:15:25,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:15:25,904 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:15:25,904 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:15:25,904 INFO L87 Difference]: Start difference. First operand 161 states and 198 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-17 15:15:26,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:15:26,029 INFO L93 Difference]: Finished difference Result 180 states and 198 transitions. [2025-03-17 15:15:26,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:15:26,029 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 29 [2025-03-17 15:15:26,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:15:26,031 INFO L225 Difference]: With dead ends: 180 [2025-03-17 15:15:26,031 INFO L226 Difference]: Without dead ends: 179 [2025-03-17 15:15:26,031 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 26 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 15:15:26,032 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 135 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 193 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 15:15:26,032 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 193 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:15:26,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2025-03-17 15:15:26,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 161. [2025-03-17 15:15:26,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 97 states have (on average 1.7835051546391754) internal successors, (173), 146 states have internal predecessors, (173), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-03-17 15:15:26,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 197 transitions. [2025-03-17 15:15:26,046 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 197 transitions. Word has length 29 [2025-03-17 15:15:26,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:15:26,046 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 197 transitions. [2025-03-17 15:15:26,046 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-17 15:15:26,046 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 197 transitions. [2025-03-17 15:15:26,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2025-03-17 15:15:26,047 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:15:26,047 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:15:26,054 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-03-17 15:15:26,247 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:15:26,247 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:15:26,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:15:26,248 INFO L85 PathProgramCache]: Analyzing trace with hash -1004605547, now seen corresponding path program 1 times [2025-03-17 15:15:26,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:15:26,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485080363] [2025-03-17 15:15:26,248 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:26,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:15:26,252 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-03-17 15:15:26,259 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-03-17 15:15:26,259 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:26,259 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:15:26,358 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-17 15:15:26,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:15:26,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485080363] [2025-03-17 15:15:26,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1485080363] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:15:26,358 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:15:26,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 15:15:26,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524770908] [2025-03-17 15:15:26,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:15:26,360 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 15:15:26,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:15:26,360 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 15:15:26,360 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-17 15:15:26,360 INFO L87 Difference]: Start difference. First operand 161 states and 197 transitions. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-17 15:15:26,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:15:26,421 INFO L93 Difference]: Finished difference Result 184 states and 201 transitions. [2025-03-17 15:15:26,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 15:15:26,422 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 29 [2025-03-17 15:15:26,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:15:26,424 INFO L225 Difference]: With dead ends: 184 [2025-03-17 15:15:26,424 INFO L226 Difference]: Without dead ends: 183 [2025-03-17 15:15:26,424 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-17 15:15:26,424 INFO L435 NwaCegarLoop]: 121 mSDtfsCounter, 53 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 338 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:15:26,425 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 338 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:15:26,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2025-03-17 15:15:26,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 162. [2025-03-17 15:15:26,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 98 states have (on average 1.7755102040816326) internal successors, (174), 147 states have internal predecessors, (174), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-03-17 15:15:26,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 198 transitions. [2025-03-17 15:15:26,434 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 198 transitions. Word has length 29 [2025-03-17 15:15:26,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:15:26,434 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 198 transitions. [2025-03-17 15:15:26,434 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-17 15:15:26,434 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 198 transitions. [2025-03-17 15:15:26,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2025-03-17 15:15:26,434 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:15:26,434 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:15:26,434 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-17 15:15:26,434 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:15:26,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:15:26,435 INFO L85 PathProgramCache]: Analyzing trace with hash -962529970, now seen corresponding path program 1 times [2025-03-17 15:15:26,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:15:26,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487727577] [2025-03-17 15:15:26,435 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:26,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:15:26,443 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-03-17 15:15:26,454 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-03-17 15:15:26,458 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:26,458 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:15:26,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1010038669] [2025-03-17 15:15:26,458 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:26,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:15:26,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:15:26,462 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 15:15:26,464 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 15:15:26,484 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-03-17 15:15:26,492 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-03-17 15:15:26,492 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:26,492 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:15:26,493 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-17 15:15:26,494 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:15:26,515 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-17 15:15:26,515 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:15:26,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:15:26,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487727577] [2025-03-17 15:15:26,516 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:15:26,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1010038669] [2025-03-17 15:15:26,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1010038669] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:15:26,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:15:26,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:15:26,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60864139] [2025-03-17 15:15:26,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:15:26,516 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:15:26,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:15:26,517 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:15:26,517 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:15:26,517 INFO L87 Difference]: Start difference. First operand 162 states and 198 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-17 15:15:26,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:15:26,629 INFO L93 Difference]: Finished difference Result 190 states and 206 transitions. [2025-03-17 15:15:26,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:15:26,629 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 30 [2025-03-17 15:15:26,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:15:26,630 INFO L225 Difference]: With dead ends: 190 [2025-03-17 15:15:26,631 INFO L226 Difference]: Without dead ends: 189 [2025-03-17 15:15:26,631 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 27 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 15:15:26,632 INFO L435 NwaCegarLoop]: 120 mSDtfsCounter, 56 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:15:26,632 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 313 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:15:26,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2025-03-17 15:15:26,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 162. [2025-03-17 15:15:26,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 98 states have (on average 1.7653061224489797) internal successors, (173), 147 states have internal predecessors, (173), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-03-17 15:15:26,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 197 transitions. [2025-03-17 15:15:26,643 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 197 transitions. Word has length 30 [2025-03-17 15:15:26,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:15:26,644 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 197 transitions. [2025-03-17 15:15:26,644 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-17 15:15:26,644 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 197 transitions. [2025-03-17 15:15:26,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2025-03-17 15:15:26,645 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:15:26,645 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:15:26,651 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-03-17 15:15:26,846 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:15:26,846 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:15:26,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:15:26,847 INFO L85 PathProgramCache]: Analyzing trace with hash -1078000877, now seen corresponding path program 1 times [2025-03-17 15:15:26,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:15:26,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370231714] [2025-03-17 15:15:26,847 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:26,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:15:26,850 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-03-17 15:15:26,855 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-03-17 15:15:26,857 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:26,857 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:15:26,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1241115075] [2025-03-17 15:15:26,859 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:26,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:15:26,859 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:15:26,861 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 15:15:26,862 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 15:15:26,880 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-03-17 15:15:26,889 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-03-17 15:15:26,889 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:26,889 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:15:26,889 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-17 15:15:26,890 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:15:26,926 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-17 15:15:26,927 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:15:26,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:15:26,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370231714] [2025-03-17 15:15:26,927 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:15:26,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1241115075] [2025-03-17 15:15:26,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1241115075] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:15:26,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:15:26,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:15:26,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131860373] [2025-03-17 15:15:26,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:15:26,929 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:15:26,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:15:26,929 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:15:26,929 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:15:26,929 INFO L87 Difference]: Start difference. First operand 162 states and 197 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-17 15:15:27,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:15:27,029 INFO L93 Difference]: Finished difference Result 182 states and 199 transitions. [2025-03-17 15:15:27,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:15:27,029 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 30 [2025-03-17 15:15:27,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:15:27,030 INFO L225 Difference]: With dead ends: 182 [2025-03-17 15:15:27,030 INFO L226 Difference]: Without dead ends: 181 [2025-03-17 15:15:27,030 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 27 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 15:15:27,031 INFO L435 NwaCegarLoop]: 115 mSDtfsCounter, 52 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:15:27,031 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 284 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:15:27,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2025-03-17 15:15:27,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 163. [2025-03-17 15:15:27,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 99 states have (on average 1.7575757575757576) internal successors, (174), 148 states have internal predecessors, (174), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-03-17 15:15:27,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 198 transitions. [2025-03-17 15:15:27,037 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 198 transitions. Word has length 30 [2025-03-17 15:15:27,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:15:27,037 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 198 transitions. [2025-03-17 15:15:27,037 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-17 15:15:27,037 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 198 transitions. [2025-03-17 15:15:27,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2025-03-17 15:15:27,038 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:15:27,038 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:15:27,043 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-03-17 15:15:27,238 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:15:27,238 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:15:27,239 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:15:27,239 INFO L85 PathProgramCache]: Analyzing trace with hash 226342069, now seen corresponding path program 1 times [2025-03-17 15:15:27,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:15:27,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071731914] [2025-03-17 15:15:27,239 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:27,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:15:27,249 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-03-17 15:15:27,262 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-03-17 15:15:27,263 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:27,263 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:15:27,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1540867474] [2025-03-17 15:15:27,263 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:27,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:15:27,263 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:15:27,267 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 15:15:27,267 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 15:15:27,286 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-03-17 15:15:27,293 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-03-17 15:15:27,293 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:27,293 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:15:27,294 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-17 15:15:27,299 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:15:27,323 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-17 15:15:27,323 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:15:27,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:15:27,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071731914] [2025-03-17 15:15:27,323 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:15:27,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1540867474] [2025-03-17 15:15:27,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1540867474] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:15:27,323 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:15:27,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:15:27,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509095888] [2025-03-17 15:15:27,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:15:27,324 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:15:27,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:15:27,324 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:15:27,324 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:15:27,324 INFO L87 Difference]: Start difference. First operand 163 states and 198 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-17 15:15:27,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:15:27,432 INFO L93 Difference]: Finished difference Result 190 states and 205 transitions. [2025-03-17 15:15:27,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:15:27,432 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 31 [2025-03-17 15:15:27,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:15:27,433 INFO L225 Difference]: With dead ends: 190 [2025-03-17 15:15:27,433 INFO L226 Difference]: Without dead ends: 189 [2025-03-17 15:15:27,433 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 28 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 15:15:27,434 INFO L435 NwaCegarLoop]: 122 mSDtfsCounter, 98 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:15:27,434 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 237 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:15:27,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2025-03-17 15:15:27,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 163. [2025-03-17 15:15:27,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 99 states have (on average 1.7474747474747474) internal successors, (173), 148 states have internal predecessors, (173), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-03-17 15:15:27,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 197 transitions. [2025-03-17 15:15:27,440 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 197 transitions. Word has length 31 [2025-03-17 15:15:27,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:15:27,440 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 197 transitions. [2025-03-17 15:15:27,440 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-17 15:15:27,440 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 197 transitions. [2025-03-17 15:15:27,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2025-03-17 15:15:27,440 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:15:27,440 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:15:27,446 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 15:15:27,641 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2025-03-17 15:15:27,641 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:15:27,641 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:15:27,642 INFO L85 PathProgramCache]: Analyzing trace with hash 941711187, now seen corresponding path program 1 times [2025-03-17 15:15:27,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:15:27,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596613032] [2025-03-17 15:15:27,642 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:27,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:15:27,644 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-03-17 15:15:27,649 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-03-17 15:15:27,649 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:27,649 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:15:27,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1446213537] [2025-03-17 15:15:27,651 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:27,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:15:27,651 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:15:27,653 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 15:15:27,655 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 15:15:27,676 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-03-17 15:15:27,686 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-03-17 15:15:27,686 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:27,687 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:15:27,687 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-17 15:15:27,688 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:15:27,703 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-17 15:15:27,704 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:15:27,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:15:27,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596613032] [2025-03-17 15:15:27,704 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:15:27,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1446213537] [2025-03-17 15:15:27,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1446213537] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:15:27,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:15:27,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 15:15:27,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043921987] [2025-03-17 15:15:27,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:15:27,705 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 15:15:27,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:15:27,705 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 15:15:27,705 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 15:15:27,705 INFO L87 Difference]: Start difference. First operand 163 states and 197 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-17 15:15:27,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:15:27,752 INFO L93 Difference]: Finished difference Result 273 states and 347 transitions. [2025-03-17 15:15:27,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 15:15:27,752 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 31 [2025-03-17 15:15:27,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:15:27,754 INFO L225 Difference]: With dead ends: 273 [2025-03-17 15:15:27,754 INFO L226 Difference]: Without dead ends: 267 [2025-03-17 15:15:27,754 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 29 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 15:15:27,754 INFO L435 NwaCegarLoop]: 109 mSDtfsCounter, 55 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 15:15:27,755 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 210 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 15:15:27,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2025-03-17 15:15:27,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 235. [2025-03-17 15:15:27,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 163 states have (on average 1.7116564417177915) internal successors, (279), 212 states have internal predecessors, (279), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-03-17 15:15:27,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 319 transitions. [2025-03-17 15:15:27,764 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 319 transitions. Word has length 31 [2025-03-17 15:15:27,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:15:27,764 INFO L471 AbstractCegarLoop]: Abstraction has 235 states and 319 transitions. [2025-03-17 15:15:27,765 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-17 15:15:27,765 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 319 transitions. [2025-03-17 15:15:27,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2025-03-17 15:15:27,765 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:15:27,765 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:15:27,771 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 15:15:27,969 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:15:27,969 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:15:27,969 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:15:27,969 INFO L85 PathProgramCache]: Analyzing trace with hash -1253648623, now seen corresponding path program 1 times [2025-03-17 15:15:27,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:15:27,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903763376] [2025-03-17 15:15:27,969 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:27,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:15:27,972 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-03-17 15:15:27,975 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-03-17 15:15:27,975 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:27,975 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:15:28,057 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-17 15:15:28,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:15:28,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903763376] [2025-03-17 15:15:28,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903763376] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:15:28,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:15:28,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 15:15:28,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941404837] [2025-03-17 15:15:28,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:15:28,057 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 15:15:28,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:15:28,057 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 15:15:28,057 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-17 15:15:28,058 INFO L87 Difference]: Start difference. First operand 235 states and 319 transitions. Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-17 15:15:28,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:15:28,313 INFO L93 Difference]: Finished difference Result 264 states and 329 transitions. [2025-03-17 15:15:28,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 15:15:28,313 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 33 [2025-03-17 15:15:28,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:15:28,314 INFO L225 Difference]: With dead ends: 264 [2025-03-17 15:15:28,314 INFO L226 Difference]: Without dead ends: 263 [2025-03-17 15:15:28,315 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-17 15:15:28,315 INFO L435 NwaCegarLoop]: 123 mSDtfsCounter, 54 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 426 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:15:28,315 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 426 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:15:28,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2025-03-17 15:15:28,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 240. [2025-03-17 15:15:28,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 168 states have (on average 1.7023809523809523) internal successors, (286), 217 states have internal predecessors, (286), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-03-17 15:15:28,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 326 transitions. [2025-03-17 15:15:28,327 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 326 transitions. Word has length 33 [2025-03-17 15:15:28,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:15:28,327 INFO L471 AbstractCegarLoop]: Abstraction has 240 states and 326 transitions. [2025-03-17 15:15:28,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-17 15:15:28,327 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 326 transitions. [2025-03-17 15:15:28,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2025-03-17 15:15:28,329 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:15:28,329 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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 15:15:28,329 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-03-17 15:15:28,329 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:15:28,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:15:28,329 INFO L85 PathProgramCache]: Analyzing trace with hash -208401649, now seen corresponding path program 1 times [2025-03-17 15:15:28,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:15:28,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630794904] [2025-03-17 15:15:28,329 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:28,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:15:28,333 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-03-17 15:15:28,339 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-03-17 15:15:28,339 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:28,339 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:15:28,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1564540530] [2025-03-17 15:15:28,340 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:28,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:15:28,340 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:15:28,342 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 15:15:28,343 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 15:15:28,360 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-03-17 15:15:28,369 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-03-17 15:15:28,369 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:28,369 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:15:28,369 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-17 15:15:28,370 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:15:28,402 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-17 15:15:28,402 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:15:28,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:15:28,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630794904] [2025-03-17 15:15:28,402 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:15:28,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1564540530] [2025-03-17 15:15:28,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1564540530] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:15:28,402 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:15:28,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 15:15:28,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841575059] [2025-03-17 15:15:28,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:15:28,403 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 15:15:28,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:15:28,403 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 15:15:28,403 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-17 15:15:28,403 INFO L87 Difference]: Start difference. First operand 240 states and 326 transitions. Second operand has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-17 15:15:28,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:15:28,544 INFO L93 Difference]: Finished difference Result 281 states and 337 transitions. [2025-03-17 15:15:28,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 15:15:28,544 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 34 [2025-03-17 15:15:28,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:15:28,545 INFO L225 Difference]: With dead ends: 281 [2025-03-17 15:15:28,545 INFO L226 Difference]: Without dead ends: 280 [2025-03-17 15:15:28,545 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-17 15:15:28,546 INFO L435 NwaCegarLoop]: 109 mSDtfsCounter, 149 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:15:28,546 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 343 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:15:28,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2025-03-17 15:15:28,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 242. [2025-03-17 15:15:28,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 242 states, 170 states have (on average 1.6941176470588235) internal successors, (288), 219 states have internal predecessors, (288), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-03-17 15:15:28,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 328 transitions. [2025-03-17 15:15:28,554 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 328 transitions. Word has length 34 [2025-03-17 15:15:28,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:15:28,555 INFO L471 AbstractCegarLoop]: Abstraction has 242 states and 328 transitions. [2025-03-17 15:15:28,555 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-17 15:15:28,555 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 328 transitions. [2025-03-17 15:15:28,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2025-03-17 15:15:28,555 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:15:28,555 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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 15:15:28,561 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2025-03-17 15:15:28,756 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2025-03-17 15:15:28,756 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:15:28,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:15:28,756 INFO L85 PathProgramCache]: Analyzing trace with hash 1589480887, now seen corresponding path program 1 times [2025-03-17 15:15:28,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:15:28,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156601094] [2025-03-17 15:15:28,756 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:28,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:15:28,759 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-03-17 15:15:28,763 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-03-17 15:15:28,763 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:28,763 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:15:28,851 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-03-17 15:15:28,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:15:28,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156601094] [2025-03-17 15:15:28,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1156601094] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:15:28,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2106075643] [2025-03-17 15:15:28,851 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:28,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:15:28,851 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:15:28,853 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 15:15:28,856 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 15:15:28,874 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-03-17 15:15:28,884 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-03-17 15:15:28,884 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:28,884 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:15:28,885 INFO L256 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-17 15:15:28,885 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:15:28,919 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-03-17 15:15:28,919 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:15:28,988 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-03-17 15:15:28,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2106075643] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:15:28,988 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:15:28,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 9 [2025-03-17 15:15:28,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909705584] [2025-03-17 15:15:28,988 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:15:28,988 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-17 15:15:28,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:15:28,988 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-17 15:15:28,989 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2025-03-17 15:15:28,989 INFO L87 Difference]: Start difference. First operand 242 states and 328 transitions. Second operand has 9 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 8 states have internal predecessors, (24), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-17 15:15:29,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:15:29,383 INFO L93 Difference]: Finished difference Result 535 states and 677 transitions. [2025-03-17 15:15:29,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-17 15:15:29,383 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 8 states have internal predecessors, (24), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 36 [2025-03-17 15:15:29,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:15:29,385 INFO L225 Difference]: With dead ends: 535 [2025-03-17 15:15:29,385 INFO L226 Difference]: Without dead ends: 507 [2025-03-17 15:15:29,386 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 67 SyntacticMatches, 4 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2025-03-17 15:15:29,386 INFO L435 NwaCegarLoop]: 117 mSDtfsCounter, 481 mSDsluCounter, 423 mSDsCounter, 0 mSdLazyCounter, 486 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 485 SdHoareTripleChecker+Valid, 540 SdHoareTripleChecker+Invalid, 511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 486 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:15:29,386 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [485 Valid, 540 Invalid, 511 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 486 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 15:15:29,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507 states. [2025-03-17 15:15:29,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507 to 327. [2025-03-17 15:15:29,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 327 states, 247 states have (on average 1.7530364372469636) internal successors, (433), 296 states have internal predecessors, (433), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2025-03-17 15:15:29,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 489 transitions. [2025-03-17 15:15:29,415 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 489 transitions. Word has length 36 [2025-03-17 15:15:29,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:15:29,415 INFO L471 AbstractCegarLoop]: Abstraction has 327 states and 489 transitions. [2025-03-17 15:15:29,415 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 8 states have internal predecessors, (24), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-17 15:15:29,415 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 489 transitions. [2025-03-17 15:15:29,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2025-03-17 15:15:29,416 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:15:29,416 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 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 15:15:29,422 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 15:15:29,617 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,SelfDestructingSolverStorable13 [2025-03-17 15:15:29,617 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:15:29,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:15:29,617 INFO L85 PathProgramCache]: Analyzing trace with hash 2029271875, now seen corresponding path program 1 times [2025-03-17 15:15:29,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:15:29,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261919522] [2025-03-17 15:15:29,618 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:29,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:15:29,620 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-03-17 15:15:29,625 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-03-17 15:15:29,625 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:29,625 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:15:29,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [950278806] [2025-03-17 15:15:29,625 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:29,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:15:29,626 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:15:29,627 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 15:15:29,629 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 15:15:29,647 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-03-17 15:15:29,656 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-03-17 15:15:29,657 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:29,657 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:15:29,657 INFO L256 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-03-17 15:15:29,658 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:15:29,777 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-17 15:15:29,777 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:15:29,947 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-03-17 15:15:29,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:15:29,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261919522] [2025-03-17 15:15:29,947 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:15:29,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [950278806] [2025-03-17 15:15:29,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [950278806] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:15:29,947 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 15:15:29,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 11 [2025-03-17 15:15:29,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254644260] [2025-03-17 15:15:29,948 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 15:15:29,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-17 15:15:29,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:15:29,948 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-17 15:15:29,948 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2025-03-17 15:15:29,949 INFO L87 Difference]: Start difference. First operand 327 states and 489 transitions. Second operand has 12 states, 10 states have (on average 4.0) internal successors, (40), 9 states have internal predecessors, (40), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 4 states have call predecessors, (7), 2 states have call successors, (7) [2025-03-17 15:15:30,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:15:30,473 INFO L93 Difference]: Finished difference Result 628 states and 923 transitions. [2025-03-17 15:15:30,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-17 15:15:30,473 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 4.0) internal successors, (40), 9 states have internal predecessors, (40), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 4 states have call predecessors, (7), 2 states have call successors, (7) Word has length 37 [2025-03-17 15:15:30,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:15:30,477 INFO L225 Difference]: With dead ends: 628 [2025-03-17 15:15:30,477 INFO L226 Difference]: Without dead ends: 625 [2025-03-17 15:15:30,478 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=83, Invalid=189, Unknown=0, NotChecked=0, Total=272 [2025-03-17 15:15:30,478 INFO L435 NwaCegarLoop]: 160 mSDtfsCounter, 570 mSDsluCounter, 762 mSDsCounter, 0 mSdLazyCounter, 495 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 571 SdHoareTripleChecker+Valid, 922 SdHoareTripleChecker+Invalid, 539 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-17 15:15:30,479 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [571 Valid, 922 Invalid, 539 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 495 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-17 15:15:30,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 625 states. [2025-03-17 15:15:30,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 625 to 362. [2025-03-17 15:15:30,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 280 states have (on average 1.7321428571428572) internal successors, (485), 329 states have internal predecessors, (485), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-03-17 15:15:30,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 545 transitions. [2025-03-17 15:15:30,502 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 545 transitions. Word has length 37 [2025-03-17 15:15:30,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:15:30,502 INFO L471 AbstractCegarLoop]: Abstraction has 362 states and 545 transitions. [2025-03-17 15:15:30,503 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 4.0) internal successors, (40), 9 states have internal predecessors, (40), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 4 states have call predecessors, (7), 2 states have call successors, (7) [2025-03-17 15:15:30,503 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 545 transitions. [2025-03-17 15:15:30,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2025-03-17 15:15:30,503 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:15:30,503 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:15:30,509 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 15:15:30,704 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2025-03-17 15:15:30,704 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:15:30,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:15:30,705 INFO L85 PathProgramCache]: Analyzing trace with hash -1517081240, now seen corresponding path program 1 times [2025-03-17 15:15:30,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:15:30,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906412245] [2025-03-17 15:15:30,705 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:30,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:15:30,707 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-03-17 15:15:30,713 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-03-17 15:15:30,713 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:30,713 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:15:30,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [401677193] [2025-03-17 15:15:30,714 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:30,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:15:30,714 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:15:30,716 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 15:15:30,717 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 15:15:30,736 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-03-17 15:15:30,745 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-03-17 15:15:30,746 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:30,746 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:15:30,746 INFO L256 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-03-17 15:15:30,747 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:15:30,835 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-17 15:15:30,835 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:15:31,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:15:31,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906412245] [2025-03-17 15:15:31,069 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:15:31,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [401677193] [2025-03-17 15:15:31,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [401677193] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:15:31,069 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:15:31,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-03-17 15:15:31,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763506171] [2025-03-17 15:15:31,069 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:15:31,070 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-17 15:15:31,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:15:31,070 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-17 15:15:31,070 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2025-03-17 15:15:31,070 INFO L87 Difference]: Start difference. First operand 362 states and 545 transitions. Second operand has 8 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-17 15:15:31,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:15:31,276 INFO L93 Difference]: Finished difference Result 596 states and 886 transitions. [2025-03-17 15:15:31,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-17 15:15:31,277 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 38 [2025-03-17 15:15:31,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:15:31,279 INFO L225 Difference]: With dead ends: 596 [2025-03-17 15:15:31,279 INFO L226 Difference]: Without dead ends: 593 [2025-03-17 15:15:31,279 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2025-03-17 15:15:31,280 INFO L435 NwaCegarLoop]: 89 mSDtfsCounter, 364 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 372 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:15:31,280 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [372 Valid, 465 Invalid, 277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:15:31,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2025-03-17 15:15:31,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 518. [2025-03-17 15:15:31,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 518 states, 418 states have (on average 1.7655502392344498) internal successors, (738), 467 states have internal predecessors, (738), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2025-03-17 15:15:31,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 518 states and 834 transitions. [2025-03-17 15:15:31,304 INFO L78 Accepts]: Start accepts. Automaton has 518 states and 834 transitions. Word has length 38 [2025-03-17 15:15:31,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:15:31,304 INFO L471 AbstractCegarLoop]: Abstraction has 518 states and 834 transitions. [2025-03-17 15:15:31,304 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-17 15:15:31,304 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 834 transitions. [2025-03-17 15:15:31,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2025-03-17 15:15:31,305 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:15:31,305 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:15:31,311 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 15:15:31,505 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,SelfDestructingSolverStorable15 [2025-03-17 15:15:31,505 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:15:31,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:15:31,506 INFO L85 PathProgramCache]: Analyzing trace with hash 215121889, now seen corresponding path program 1 times [2025-03-17 15:15:31,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:15:31,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845449049] [2025-03-17 15:15:31,506 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:31,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:15:31,508 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-03-17 15:15:31,513 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-03-17 15:15:31,513 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:31,513 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:15:31,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1529509389] [2025-03-17 15:15:31,513 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:31,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:15:31,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:15:31,515 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 15:15:31,517 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 15:15:31,535 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-03-17 15:15:31,545 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-03-17 15:15:31,545 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:31,545 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:15:31,546 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-03-17 15:15:31,547 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:15:31,686 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-03-17 15:15:31,686 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:15:31,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:15:31,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845449049] [2025-03-17 15:15:31,821 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:15:31,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1529509389] [2025-03-17 15:15:31,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1529509389] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:15:31,821 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:15:31,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-03-17 15:15:31,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744209780] [2025-03-17 15:15:31,821 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:15:31,822 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-17 15:15:31,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:15:31,822 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-17 15:15:31,822 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2025-03-17 15:15:31,822 INFO L87 Difference]: Start difference. First operand 518 states and 834 transitions. Second operand has 9 states, 8 states have (on average 3.125) internal successors, (25), 9 states have internal predecessors, (25), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-17 15:15:32,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:15:32,340 INFO L93 Difference]: Finished difference Result 565 states and 840 transitions. [2025-03-17 15:15:32,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-17 15:15:32,340 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.125) internal successors, (25), 9 states have internal predecessors, (25), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 39 [2025-03-17 15:15:32,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:15:32,342 INFO L225 Difference]: With dead ends: 565 [2025-03-17 15:15:32,342 INFO L226 Difference]: Without dead ends: 564 [2025-03-17 15:15:32,343 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2025-03-17 15:15:32,343 INFO L435 NwaCegarLoop]: 112 mSDtfsCounter, 366 mSDsluCounter, 506 mSDsCounter, 0 mSdLazyCounter, 527 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 374 SdHoareTripleChecker+Valid, 618 SdHoareTripleChecker+Invalid, 548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 527 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-17 15:15:32,343 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [374 Valid, 618 Invalid, 548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 527 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-17 15:15:32,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2025-03-17 15:15:32,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 518. [2025-03-17 15:15:32,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 518 states, 418 states have (on average 1.7583732057416268) internal successors, (735), 467 states have internal predecessors, (735), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2025-03-17 15:15:32,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 518 states and 831 transitions. [2025-03-17 15:15:32,380 INFO L78 Accepts]: Start accepts. Automaton has 518 states and 831 transitions. Word has length 39 [2025-03-17 15:15:32,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:15:32,380 INFO L471 AbstractCegarLoop]: Abstraction has 518 states and 831 transitions. [2025-03-17 15:15:32,380 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.125) internal successors, (25), 9 states have internal predecessors, (25), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-17 15:15:32,380 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 831 transitions. [2025-03-17 15:15:32,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2025-03-17 15:15:32,380 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:15:32,380 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 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 15:15:32,388 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2025-03-17 15:15:32,581 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:15:32,581 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:15:32,581 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:15:32,581 INFO L85 PathProgramCache]: Analyzing trace with hash 1929916726, now seen corresponding path program 1 times [2025-03-17 15:15:32,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:15:32,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991543805] [2025-03-17 15:15:32,584 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:32,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:15:32,586 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-03-17 15:15:32,591 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-03-17 15:15:32,592 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:32,592 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:15:32,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [429435420] [2025-03-17 15:15:32,593 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:32,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:15:32,593 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:15:32,595 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 15:15:32,596 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 15:15:32,613 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-03-17 15:15:32,622 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-03-17 15:15:32,622 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:32,622 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:15:32,623 INFO L256 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-17 15:15:32,624 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:15:32,647 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-17 15:15:32,648 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:15:32,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:15:32,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991543805] [2025-03-17 15:15:32,648 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:15:32,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [429435420] [2025-03-17 15:15:32,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [429435420] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:15:32,648 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:15:32,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:15:32,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144676673] [2025-03-17 15:15:32,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:15:32,649 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:15:32,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:15:32,650 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:15:32,650 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:15:32,650 INFO L87 Difference]: Start difference. First operand 518 states and 831 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-03-17 15:15:32,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:15:32,758 INFO L93 Difference]: Finished difference Result 545 states and 842 transitions. [2025-03-17 15:15:32,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:15:32,758 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 41 [2025-03-17 15:15:32,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:15:32,760 INFO L225 Difference]: With dead ends: 545 [2025-03-17 15:15:32,760 INFO L226 Difference]: Without dead ends: 544 [2025-03-17 15:15:32,761 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 38 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 15:15:32,761 INFO L435 NwaCegarLoop]: 126 mSDtfsCounter, 91 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 229 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:15:32,761 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 229 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:15:32,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 544 states. [2025-03-17 15:15:32,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 544 to 518. [2025-03-17 15:15:32,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 518 states, 418 states have (on average 1.7535885167464116) internal successors, (733), 467 states have internal predecessors, (733), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2025-03-17 15:15:32,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 518 states and 829 transitions. [2025-03-17 15:15:32,785 INFO L78 Accepts]: Start accepts. Automaton has 518 states and 829 transitions. Word has length 41 [2025-03-17 15:15:32,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:15:32,785 INFO L471 AbstractCegarLoop]: Abstraction has 518 states and 829 transitions. [2025-03-17 15:15:32,785 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-03-17 15:15:32,785 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 829 transitions. [2025-03-17 15:15:32,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-03-17 15:15:32,785 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:15:32,785 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2025-03-17 15:15:32,792 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2025-03-17 15:15:32,986 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2025-03-17 15:15:32,986 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:15:32,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:15:32,986 INFO L85 PathProgramCache]: Analyzing trace with hash -1921155962, now seen corresponding path program 1 times [2025-03-17 15:15:32,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:15:32,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627715676] [2025-03-17 15:15:32,986 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:32,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:15:32,989 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-03-17 15:15:32,999 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-03-17 15:15:32,999 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:32,999 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:15:33,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [974102202] [2025-03-17 15:15:33,000 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:33,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:15:33,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:15:33,002 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 15:15:33,003 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 15:15:33,021 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-03-17 15:15:33,031 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-03-17 15:15:33,031 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:33,031 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:15:33,031 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-03-17 15:15:33,033 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:15:33,170 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-03-17 15:15:33,171 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:15:33,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:15:33,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627715676] [2025-03-17 15:15:33,564 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:15:33,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [974102202] [2025-03-17 15:15:33,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [974102202] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:15:33,565 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:15:33,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-03-17 15:15:33,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283869119] [2025-03-17 15:15:33,565 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:15:33,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-17 15:15:33,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:15:33,565 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-17 15:15:33,565 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2025-03-17 15:15:33,565 INFO L87 Difference]: Start difference. First operand 518 states and 829 transitions. Second operand has 9 states, 8 states have (on average 3.25) internal successors, (26), 9 states have internal predecessors, (26), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-17 15:15:34,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:15:34,045 INFO L93 Difference]: Finished difference Result 565 states and 835 transitions. [2025-03-17 15:15:34,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-17 15:15:34,045 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.25) internal successors, (26), 9 states have internal predecessors, (26), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 40 [2025-03-17 15:15:34,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:15:34,047 INFO L225 Difference]: With dead ends: 565 [2025-03-17 15:15:34,047 INFO L226 Difference]: Without dead ends: 564 [2025-03-17 15:15:34,047 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2025-03-17 15:15:34,048 INFO L435 NwaCegarLoop]: 112 mSDtfsCounter, 354 mSDsluCounter, 497 mSDsCounter, 0 mSdLazyCounter, 550 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 362 SdHoareTripleChecker+Valid, 609 SdHoareTripleChecker+Invalid, 570 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 550 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-17 15:15:34,048 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [362 Valid, 609 Invalid, 570 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 550 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-17 15:15:34,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2025-03-17 15:15:34,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 518. [2025-03-17 15:15:34,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 518 states, 418 states have (on average 1.7464114832535884) internal successors, (730), 467 states have internal predecessors, (730), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2025-03-17 15:15:34,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 518 states and 826 transitions. [2025-03-17 15:15:34,084 INFO L78 Accepts]: Start accepts. Automaton has 518 states and 826 transitions. Word has length 40 [2025-03-17 15:15:34,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:15:34,084 INFO L471 AbstractCegarLoop]: Abstraction has 518 states and 826 transitions. [2025-03-17 15:15:34,085 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.25) internal successors, (26), 9 states have internal predecessors, (26), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-17 15:15:34,085 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 826 transitions. [2025-03-17 15:15:34,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-03-17 15:15:34,085 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:15:34,085 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:15:34,091 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2025-03-17 15:15:34,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:15:34,290 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:15:34,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:15:34,291 INFO L85 PathProgramCache]: Analyzing trace with hash -1924880828, now seen corresponding path program 1 times [2025-03-17 15:15:34,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:15:34,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088051738] [2025-03-17 15:15:34,291 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:34,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:15:34,294 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-03-17 15:15:34,299 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-03-17 15:15:34,299 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:34,299 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:15:34,379 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-17 15:15:34,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:15:34,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088051738] [2025-03-17 15:15:34,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2088051738] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:15:34,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1756219187] [2025-03-17 15:15:34,380 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:34,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:15:34,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:15:34,381 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 15:15:34,384 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 15:15:34,403 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-03-17 15:15:34,413 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-03-17 15:15:34,413 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:34,413 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:15:34,413 INFO L256 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-17 15:15:34,414 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:15:34,442 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-17 15:15:34,443 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:15:34,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1756219187] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:15:34,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:15:34,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2025-03-17 15:15:34,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586708123] [2025-03-17 15:15:34,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:15:34,443 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 15:15:34,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:15:34,443 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 15:15:34,443 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2025-03-17 15:15:34,444 INFO L87 Difference]: Start difference. First operand 518 states and 826 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-17 15:15:34,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:15:34,648 INFO L93 Difference]: Finished difference Result 712 states and 1048 transitions. [2025-03-17 15:15:34,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 15:15:34,650 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 40 [2025-03-17 15:15:34,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:15:34,652 INFO L225 Difference]: With dead ends: 712 [2025-03-17 15:15:34,652 INFO L226 Difference]: Without dead ends: 446 [2025-03-17 15:15:34,652 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2025-03-17 15:15:34,653 INFO L435 NwaCegarLoop]: 164 mSDtfsCounter, 154 mSDsluCounter, 359 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 523 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:15:34,653 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 523 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:15:34,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2025-03-17 15:15:34,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 402. [2025-03-17 15:15:34,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 402 states, 313 states have (on average 1.70926517571885) internal successors, (535), 360 states have internal predecessors, (535), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2025-03-17 15:15:34,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 613 transitions. [2025-03-17 15:15:34,673 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 613 transitions. Word has length 40 [2025-03-17 15:15:34,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:15:34,673 INFO L471 AbstractCegarLoop]: Abstraction has 402 states and 613 transitions. [2025-03-17 15:15:34,673 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-17 15:15:34,674 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 613 transitions. [2025-03-17 15:15:34,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2025-03-17 15:15:34,674 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:15:34,674 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 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 15:15:34,680 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2025-03-17 15:15:34,878 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:15:34,878 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:15:34,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:15:34,879 INFO L85 PathProgramCache]: Analyzing trace with hash -302123584, now seen corresponding path program 1 times [2025-03-17 15:15:34,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:15:34,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626083824] [2025-03-17 15:15:34,879 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:34,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:15:34,882 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-03-17 15:15:34,891 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-03-17 15:15:34,891 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:34,891 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:15:34,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1851783079] [2025-03-17 15:15:34,892 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:34,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:15:34,892 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:15:34,894 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 15:15:34,896 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 15:15:34,915 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-03-17 15:15:34,923 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-03-17 15:15:34,923 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:34,923 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:15:34,924 INFO L256 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-17 15:15:34,925 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:15:34,976 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-17 15:15:34,976 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:15:34,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:15:34,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626083824] [2025-03-17 15:15:34,976 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:15:34,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1851783079] [2025-03-17 15:15:34,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1851783079] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:15:34,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:15:34,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:15:34,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770797240] [2025-03-17 15:15:34,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:15:34,977 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:15:34,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:15:34,977 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:15:34,977 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:15:34,977 INFO L87 Difference]: Start difference. First operand 402 states and 613 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-03-17 15:15:35,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:15:35,265 INFO L93 Difference]: Finished difference Result 430 states and 625 transitions. [2025-03-17 15:15:35,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:15:35,265 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 42 [2025-03-17 15:15:35,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:15:35,267 INFO L225 Difference]: With dead ends: 430 [2025-03-17 15:15:35,267 INFO L226 Difference]: Without dead ends: 429 [2025-03-17 15:15:35,267 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 39 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 15:15:35,268 INFO L435 NwaCegarLoop]: 126 mSDtfsCounter, 55 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:15:35,268 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 290 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 15:15:35,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2025-03-17 15:15:35,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 402. [2025-03-17 15:15:35,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 402 states, 313 states have (on average 1.7028753993610224) internal successors, (533), 360 states have internal predecessors, (533), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2025-03-17 15:15:35,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 611 transitions. [2025-03-17 15:15:35,287 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 611 transitions. Word has length 42 [2025-03-17 15:15:35,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:15:35,287 INFO L471 AbstractCegarLoop]: Abstraction has 402 states and 611 transitions. [2025-03-17 15:15:35,288 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-03-17 15:15:35,288 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 611 transitions. [2025-03-17 15:15:35,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2025-03-17 15:15:35,288 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:15:35,288 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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 15:15:35,294 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 15:15:35,488 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:15:35,489 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:15:35,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:15:35,489 INFO L85 PathProgramCache]: Analyzing trace with hash 573707391, now seen corresponding path program 1 times [2025-03-17 15:15:35,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:15:35,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412298231] [2025-03-17 15:15:35,489 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:35,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:15:35,492 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-03-17 15:15:35,496 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-03-17 15:15:35,496 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:35,496 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:15:35,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [773573612] [2025-03-17 15:15:35,497 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:35,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:15:35,497 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:15:35,499 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 15:15:35,501 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 15:15:35,519 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-03-17 15:15:35,528 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-03-17 15:15:35,528 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:35,528 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:15:35,529 INFO L256 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-03-17 15:15:35,530 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:15:35,636 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-03-17 15:15:35,636 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:15:35,808 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-03-17 15:15:35,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:15:35,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412298231] [2025-03-17 15:15:35,808 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:15:35,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [773573612] [2025-03-17 15:15:35,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [773573612] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:15:35,808 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 15:15:35,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2025-03-17 15:15:35,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140536084] [2025-03-17 15:15:35,809 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 15:15:35,809 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-03-17 15:15:35,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:15:35,809 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-03-17 15:15:35,809 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2025-03-17 15:15:35,809 INFO L87 Difference]: Start difference. First operand 402 states and 611 transitions. Second operand has 15 states, 14 states have (on average 3.4285714285714284) internal successors, (48), 13 states have internal predecessors, (48), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) [2025-03-17 15:15:36,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:15:36,536 INFO L93 Difference]: Finished difference Result 455 states and 623 transitions. [2025-03-17 15:15:36,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-17 15:15:36,536 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.4285714285714284) internal successors, (48), 13 states have internal predecessors, (48), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) Word has length 41 [2025-03-17 15:15:36,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:15:36,538 INFO L225 Difference]: With dead ends: 455 [2025-03-17 15:15:36,538 INFO L226 Difference]: Without dead ends: 450 [2025-03-17 15:15:36,541 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=235, Unknown=0, NotChecked=0, Total=306 [2025-03-17 15:15:36,543 INFO L435 NwaCegarLoop]: 113 mSDtfsCounter, 736 mSDsluCounter, 642 mSDsCounter, 0 mSdLazyCounter, 834 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 747 SdHoareTripleChecker+Valid, 755 SdHoareTripleChecker+Invalid, 880 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 834 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-03-17 15:15:36,543 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [747 Valid, 755 Invalid, 880 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 834 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-03-17 15:15:36,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2025-03-17 15:15:36,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 328. [2025-03-17 15:15:36,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 328 states, 248 states have (on average 1.6491935483870968) internal successors, (409), 295 states have internal predecessors, (409), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-03-17 15:15:36,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 469 transitions. [2025-03-17 15:15:36,563 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 469 transitions. Word has length 41 [2025-03-17 15:15:36,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:15:36,563 INFO L471 AbstractCegarLoop]: Abstraction has 328 states and 469 transitions. [2025-03-17 15:15:36,564 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.4285714285714284) internal successors, (48), 13 states have internal predecessors, (48), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) [2025-03-17 15:15:36,564 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 469 transitions. [2025-03-17 15:15:36,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2025-03-17 15:15:36,565 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:15:36,565 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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 15:15:36,572 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 15:15:36,765 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:15:36,765 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:15:36,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:15:36,766 INFO L85 PathProgramCache]: Analyzing trace with hash 605060004, now seen corresponding path program 1 times [2025-03-17 15:15:36,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:15:36,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876844655] [2025-03-17 15:15:36,766 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:36,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:15:36,769 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-03-17 15:15:36,775 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-03-17 15:15:36,775 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:36,775 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:15:36,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [21804617] [2025-03-17 15:15:36,776 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:36,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:15:36,776 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:15:36,779 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 15:15:36,780 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 15:15:36,801 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-03-17 15:15:36,811 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-03-17 15:15:36,811 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:36,811 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:15:36,813 INFO L256 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-03-17 15:15:36,813 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:15:36,949 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-03-17 15:15:36,949 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:15:41,856 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-03-17 15:15:41,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:15:41,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876844655] [2025-03-17 15:15:41,856 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:15:41,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [21804617] [2025-03-17 15:15:41,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [21804617] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:15:41,856 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 15:15:41,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2025-03-17 15:15:41,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829083276] [2025-03-17 15:15:41,856 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 15:15:41,856 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-17 15:15:41,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:15:41,857 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-17 15:15:41,857 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=120, Unknown=1, NotChecked=0, Total=156 [2025-03-17 15:15:41,857 INFO L87 Difference]: Start difference. First operand 328 states and 469 transitions. Second operand has 13 states, 12 states have (on average 4.166666666666667) internal successors, (50), 11 states have internal predecessors, (50), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2025-03-17 15:15:42,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:15:42,939 INFO L93 Difference]: Finished difference Result 379 states and 483 transitions. [2025-03-17 15:15:42,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-17 15:15:42,940 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.166666666666667) internal successors, (50), 11 states have internal predecessors, (50), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 42 [2025-03-17 15:15:42,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:15:42,941 INFO L225 Difference]: With dead ends: 379 [2025-03-17 15:15:42,941 INFO L226 Difference]: Without dead ends: 377 [2025-03-17 15:15:42,941 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=59, Invalid=180, Unknown=1, NotChecked=0, Total=240 [2025-03-17 15:15:42,942 INFO L435 NwaCegarLoop]: 128 mSDtfsCounter, 468 mSDsluCounter, 732 mSDsCounter, 0 mSdLazyCounter, 675 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 477 SdHoareTripleChecker+Valid, 860 SdHoareTripleChecker+Invalid, 698 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 675 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-03-17 15:15:42,942 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [477 Valid, 860 Invalid, 698 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 675 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-03-17 15:15:42,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2025-03-17 15:15:42,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 329. [2025-03-17 15:15:42,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 249 states have (on average 1.6305220883534137) internal successors, (406), 296 states have internal predecessors, (406), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-03-17 15:15:42,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 466 transitions. [2025-03-17 15:15:42,971 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 466 transitions. Word has length 42 [2025-03-17 15:15:42,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:15:42,971 INFO L471 AbstractCegarLoop]: Abstraction has 329 states and 466 transitions. [2025-03-17 15:15:42,971 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.166666666666667) internal successors, (50), 11 states have internal predecessors, (50), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2025-03-17 15:15:42,971 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 466 transitions. [2025-03-17 15:15:42,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2025-03-17 15:15:42,971 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:15:42,972 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:15:42,978 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2025-03-17 15:15:43,172 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2025-03-17 15:15:43,172 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:15:43,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:15:43,173 INFO L85 PathProgramCache]: Analyzing trace with hash 578330217, now seen corresponding path program 1 times [2025-03-17 15:15:43,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:15:43,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755623211] [2025-03-17 15:15:43,173 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:43,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:15:43,175 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-03-17 15:15:43,179 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-03-17 15:15:43,180 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:43,180 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:15:43,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1571367773] [2025-03-17 15:15:43,180 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:43,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:15:43,181 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:15:43,182 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:15:43,184 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2025-03-17 15:15:43,211 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-03-17 15:15:43,223 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-03-17 15:15:43,223 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:43,223 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:15:43,223 INFO L256 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-03-17 15:15:43,224 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:15:43,340 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-17 15:15:43,340 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:15:59,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:15:59,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755623211] [2025-03-17 15:15:59,490 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:15:59,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1571367773] [2025-03-17 15:15:59,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1571367773] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:15:59,491 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:15:59,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-03-17 15:15:59,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689390506] [2025-03-17 15:15:59,491 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:15:59,491 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-17 15:15:59,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:15:59,491 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-17 15:15:59,491 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=110, Unknown=4, NotChecked=0, Total=156 [2025-03-17 15:15:59,491 INFO L87 Difference]: Start difference. First operand 329 states and 466 transitions. Second operand has 9 states, 8 states have (on average 4.0) internal successors, (32), 8 states have internal predecessors, (32), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2025-03-17 15:15:59,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:15:59,661 INFO L93 Difference]: Finished difference Result 381 states and 486 transitions. [2025-03-17 15:15:59,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-17 15:15:59,661 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.0) internal successors, (32), 8 states have internal predecessors, (32), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) Word has length 48 [2025-03-17 15:15:59,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:15:59,662 INFO L225 Difference]: With dead ends: 381 [2025-03-17 15:15:59,662 INFO L226 Difference]: Without dead ends: 379 [2025-03-17 15:15:59,662 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 16.1s TimeCoverageRelationStatistics Valid=42, Invalid=110, Unknown=4, NotChecked=0, Total=156 [2025-03-17 15:15:59,663 INFO L435 NwaCegarLoop]: 128 mSDtfsCounter, 270 mSDsluCounter, 515 mSDsCounter, 0 mSdLazyCounter, 381 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 281 SdHoareTripleChecker+Valid, 643 SdHoareTripleChecker+Invalid, 385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:15:59,663 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [281 Valid, 643 Invalid, 385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 381 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:15:59,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2025-03-17 15:15:59,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 329. [2025-03-17 15:15:59,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 249 states have (on average 1.6144578313253013) internal successors, (402), 296 states have internal predecessors, (402), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-03-17 15:15:59,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 462 transitions. [2025-03-17 15:15:59,681 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 462 transitions. Word has length 48 [2025-03-17 15:15:59,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:15:59,681 INFO L471 AbstractCegarLoop]: Abstraction has 329 states and 462 transitions. [2025-03-17 15:15:59,681 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.0) internal successors, (32), 8 states have internal predecessors, (32), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2025-03-17 15:15:59,681 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 462 transitions. [2025-03-17 15:15:59,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2025-03-17 15:15:59,682 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:15:59,682 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:15:59,688 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2025-03-17 15:15:59,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2025-03-17 15:15:59,883 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:15:59,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:15:59,883 INFO L85 PathProgramCache]: Analyzing trace with hash -128526054, now seen corresponding path program 1 times [2025-03-17 15:15:59,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:15:59,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9497469] [2025-03-17 15:15:59,883 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:59,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:15:59,885 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-03-17 15:15:59,888 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-03-17 15:15:59,889 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:59,889 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:15:59,970 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2025-03-17 15:15:59,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:15:59,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9497469] [2025-03-17 15:15:59,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9497469] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:15:59,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1295547165] [2025-03-17 15:15:59,970 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:59,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:15:59,971 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:15:59,975 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:15:59,976 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2025-03-17 15:15:59,993 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-03-17 15:16:00,001 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-03-17 15:16:00,002 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:00,002 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:16:00,002 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-17 15:16:00,004 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:16:00,083 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-03-17 15:16:00,083 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:16:00,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1295547165] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:16:00,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:16:00,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 11 [2025-03-17 15:16:00,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25064307] [2025-03-17 15:16:00,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:16:00,084 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 15:16:00,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:16:00,084 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 15:16:00,084 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2025-03-17 15:16:00,085 INFO L87 Difference]: Start difference. First operand 329 states and 462 transitions. Second operand has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-03-17 15:16:00,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:16:00,278 INFO L93 Difference]: Finished difference Result 356 states and 466 transitions. [2025-03-17 15:16:00,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 15:16:00,280 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 50 [2025-03-17 15:16:00,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:16:00,281 INFO L225 Difference]: With dead ends: 356 [2025-03-17 15:16:00,281 INFO L226 Difference]: Without dead ends: 355 [2025-03-17 15:16:00,281 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2025-03-17 15:16:00,281 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 250 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:16:00,282 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [254 Valid, 261 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:16:00,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2025-03-17 15:16:00,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 329. [2025-03-17 15:16:00,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 249 states have (on average 1.6104417670682731) internal successors, (401), 296 states have internal predecessors, (401), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-03-17 15:16:00,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 461 transitions. [2025-03-17 15:16:00,298 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 461 transitions. Word has length 50 [2025-03-17 15:16:00,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:16:00,298 INFO L471 AbstractCegarLoop]: Abstraction has 329 states and 461 transitions. [2025-03-17 15:16:00,298 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-03-17 15:16:00,298 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 461 transitions. [2025-03-17 15:16:00,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2025-03-17 15:16:00,298 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:16:00,299 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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 15:16:00,307 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2025-03-17 15:16:00,503 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:16:00,503 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:16:00,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:16:00,503 INFO L85 PathProgramCache]: Analyzing trace with hash 748367605, now seen corresponding path program 1 times [2025-03-17 15:16:00,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:16:00,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691628676] [2025-03-17 15:16:00,503 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:00,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:16:00,506 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-03-17 15:16:00,510 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-03-17 15:16:00,510 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:00,510 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:16:00,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1843604357] [2025-03-17 15:16:00,511 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:00,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:16:00,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:16:00,513 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:16:00,514 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2025-03-17 15:16:00,535 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-03-17 15:16:00,545 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-03-17 15:16:00,545 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:00,545 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:16:00,546 INFO L256 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-03-17 15:16:00,547 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:16:00,669 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-17 15:16:00,669 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:16:04,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:16:04,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691628676] [2025-03-17 15:16:04,050 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:16:04,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1843604357] [2025-03-17 15:16:04,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1843604357] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:16:04,050 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:16:04,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-03-17 15:16:04,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213269740] [2025-03-17 15:16:04,050 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:16:04,050 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-17 15:16:04,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:16:04,051 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-17 15:16:04,051 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=112, Unknown=1, NotChecked=0, Total=156 [2025-03-17 15:16:04,051 INFO L87 Difference]: Start difference. First operand 329 states and 461 transitions. Second operand has 9 states, 8 states have (on average 4.125) internal successors, (33), 8 states have internal predecessors, (33), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2025-03-17 15:16:04,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:16:04,287 INFO L93 Difference]: Finished difference Result 381 states and 481 transitions. [2025-03-17 15:16:04,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-17 15:16:04,288 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.125) internal successors, (33), 8 states have internal predecessors, (33), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) Word has length 49 [2025-03-17 15:16:04,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:16:04,289 INFO L225 Difference]: With dead ends: 381 [2025-03-17 15:16:04,289 INFO L226 Difference]: Without dead ends: 379 [2025-03-17 15:16:04,289 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=54, Invalid=127, Unknown=1, NotChecked=0, Total=182 [2025-03-17 15:16:04,289 INFO L435 NwaCegarLoop]: 80 mSDtfsCounter, 244 mSDsluCounter, 362 mSDsCounter, 0 mSdLazyCounter, 310 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 442 SdHoareTripleChecker+Invalid, 315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:16:04,289 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [255 Valid, 442 Invalid, 315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 310 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:16:04,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2025-03-17 15:16:04,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 329. [2025-03-17 15:16:04,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 249 states have (on average 1.5943775100401607) internal successors, (397), 296 states have internal predecessors, (397), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-03-17 15:16:04,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 457 transitions. [2025-03-17 15:16:04,304 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 457 transitions. Word has length 49 [2025-03-17 15:16:04,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:16:04,304 INFO L471 AbstractCegarLoop]: Abstraction has 329 states and 457 transitions. [2025-03-17 15:16:04,304 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.125) internal successors, (33), 8 states have internal predecessors, (33), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2025-03-17 15:16:04,304 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 457 transitions. [2025-03-17 15:16:04,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2025-03-17 15:16:04,304 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:16:04,304 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:16:04,310 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2025-03-17 15:16:04,504 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:16:04,505 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:16:04,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:16:04,505 INFO L85 PathProgramCache]: Analyzing trace with hash 310659667, now seen corresponding path program 1 times [2025-03-17 15:16:04,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:16:04,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023337986] [2025-03-17 15:16:04,505 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:04,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:16:04,508 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-03-17 15:16:04,511 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-03-17 15:16:04,512 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:04,512 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:16:04,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [492932358] [2025-03-17 15:16:04,513 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:04,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:16:04,513 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:16:04,515 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:16:04,516 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2025-03-17 15:16:04,536 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-03-17 15:16:04,545 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-03-17 15:16:04,546 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:04,546 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:16:04,546 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-17 15:16:04,547 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:16:04,596 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-03-17 15:16:04,596 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:16:04,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:16:04,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023337986] [2025-03-17 15:16:04,596 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:16:04,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [492932358] [2025-03-17 15:16:04,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [492932358] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:16:04,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:16:04,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 15:16:04,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064452493] [2025-03-17 15:16:04,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:16:04,596 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 15:16:04,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:16:04,596 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 15:16:04,596 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-17 15:16:04,597 INFO L87 Difference]: Start difference. First operand 329 states and 457 transitions. Second operand has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-03-17 15:16:04,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:16:04,795 INFO L93 Difference]: Finished difference Result 356 states and 461 transitions. [2025-03-17 15:16:04,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 15:16:04,795 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 51 [2025-03-17 15:16:04,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:16:04,796 INFO L225 Difference]: With dead ends: 356 [2025-03-17 15:16:04,796 INFO L226 Difference]: Without dead ends: 355 [2025-03-17 15:16:04,797 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-03-17 15:16:04,797 INFO L435 NwaCegarLoop]: 81 mSDtfsCounter, 247 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:16:04,797 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 263 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:16:04,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2025-03-17 15:16:04,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 329. [2025-03-17 15:16:04,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 249 states have (on average 1.5903614457831325) internal successors, (396), 296 states have internal predecessors, (396), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-03-17 15:16:04,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 456 transitions. [2025-03-17 15:16:04,821 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 456 transitions. Word has length 51 [2025-03-17 15:16:04,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:16:04,821 INFO L471 AbstractCegarLoop]: Abstraction has 329 states and 456 transitions. [2025-03-17 15:16:04,821 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-03-17 15:16:04,821 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 456 transitions. [2025-03-17 15:16:04,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2025-03-17 15:16:04,822 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:16:04,822 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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, 1] [2025-03-17 15:16:04,828 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2025-03-17 15:16:05,022 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2025-03-17 15:16:05,022 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:16:05,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:16:05,023 INFO L85 PathProgramCache]: Analyzing trace with hash 1724559335, now seen corresponding path program 1 times [2025-03-17 15:16:05,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:16:05,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215206753] [2025-03-17 15:16:05,023 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:05,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:16:05,025 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-03-17 15:16:05,029 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-03-17 15:16:05,029 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:05,029 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:16:05,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1594242330] [2025-03-17 15:16:05,030 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:05,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:16:05,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:16:05,032 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:16:05,033 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2025-03-17 15:16:05,052 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-03-17 15:16:05,063 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-03-17 15:16:05,063 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:05,063 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:16:05,064 INFO L256 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-03-17 15:16:05,065 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:16:05,264 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-17 15:16:05,264 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:16:05,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:16:05,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215206753] [2025-03-17 15:16:05,551 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:16:05,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1594242330] [2025-03-17 15:16:05,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1594242330] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:16:05,551 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:16:05,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2025-03-17 15:16:05,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576287770] [2025-03-17 15:16:05,551 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:16:05,552 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-17 15:16:05,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:16:05,552 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-17 15:16:05,552 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=343, Unknown=0, NotChecked=0, Total=420 [2025-03-17 15:16:05,552 INFO L87 Difference]: Start difference. First operand 329 states and 456 transitions. Second operand has 13 states, 11 states have (on average 3.090909090909091) internal successors, (34), 11 states have internal predecessors, (34), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2025-03-17 15:16:06,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:16:06,224 INFO L93 Difference]: Finished difference Result 452 states and 596 transitions. [2025-03-17 15:16:06,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-17 15:16:06,226 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 3.090909090909091) internal successors, (34), 11 states have internal predecessors, (34), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 50 [2025-03-17 15:16:06,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:16:06,227 INFO L225 Difference]: With dead ends: 452 [2025-03-17 15:16:06,227 INFO L226 Difference]: Without dead ends: 451 [2025-03-17 15:16:06,227 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=145, Invalid=611, Unknown=0, NotChecked=0, Total=756 [2025-03-17 15:16:06,228 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 449 mSDsluCounter, 412 mSDsCounter, 0 mSdLazyCounter, 1210 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 453 SdHoareTripleChecker+Valid, 488 SdHoareTripleChecker+Invalid, 1240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-17 15:16:06,228 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [453 Valid, 488 Invalid, 1240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1210 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-17 15:16:06,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2025-03-17 15:16:06,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 340. [2025-03-17 15:16:06,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 340 states, 259 states have (on average 1.5675675675675675) internal successors, (406), 306 states have internal predecessors, (406), 31 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2025-03-17 15:16:06,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 468 transitions. [2025-03-17 15:16:06,245 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 468 transitions. Word has length 50 [2025-03-17 15:16:06,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:16:06,245 INFO L471 AbstractCegarLoop]: Abstraction has 340 states and 468 transitions. [2025-03-17 15:16:06,246 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 3.090909090909091) internal successors, (34), 11 states have internal predecessors, (34), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2025-03-17 15:16:06,246 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 468 transitions. [2025-03-17 15:16:06,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2025-03-17 15:16:06,246 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:16:06,246 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1] [2025-03-17 15:16:06,252 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2025-03-17 15:16:06,450 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2025-03-17 15:16:06,450 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:16:06,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:16:06,450 INFO L85 PathProgramCache]: Analyzing trace with hash 1921731891, now seen corresponding path program 1 times [2025-03-17 15:16:06,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:16:06,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757146339] [2025-03-17 15:16:06,450 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:06,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:16:06,453 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-03-17 15:16:06,456 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-03-17 15:16:06,456 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:06,457 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:16:06,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [525640130] [2025-03-17 15:16:06,457 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:06,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:16:06,457 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:16:06,460 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:16:06,460 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2025-03-17 15:16:06,482 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-03-17 15:16:06,493 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-03-17 15:16:06,493 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:06,493 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:16:06,497 INFO L256 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-03-17 15:16:06,498 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:16:06,688 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-17 15:16:06,688 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:16:07,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:16:07,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757146339] [2025-03-17 15:16:07,190 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:16:07,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [525640130] [2025-03-17 15:16:07,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [525640130] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:16:07,191 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:16:07,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2025-03-17 15:16:07,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196529790] [2025-03-17 15:16:07,191 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:16:07,191 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-17 15:16:07,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:16:07,191 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-17 15:16:07,191 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=343, Unknown=0, NotChecked=0, Total=420 [2025-03-17 15:16:07,191 INFO L87 Difference]: Start difference. First operand 340 states and 468 transitions. Second operand has 13 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 11 states have internal predecessors, (35), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2025-03-17 15:16:07,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:16:07,866 INFO L93 Difference]: Finished difference Result 452 states and 595 transitions. [2025-03-17 15:16:07,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-17 15:16:07,867 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 11 states have internal predecessors, (35), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 51 [2025-03-17 15:16:07,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:16:07,868 INFO L225 Difference]: With dead ends: 452 [2025-03-17 15:16:07,868 INFO L226 Difference]: Without dead ends: 451 [2025-03-17 15:16:07,868 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=145, Invalid=611, Unknown=0, NotChecked=0, Total=756 [2025-03-17 15:16:07,868 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 438 mSDsluCounter, 448 mSDsCounter, 0 mSdLazyCounter, 1246 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 442 SdHoareTripleChecker+Valid, 524 SdHoareTripleChecker+Invalid, 1274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-17 15:16:07,869 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [442 Valid, 524 Invalid, 1274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1246 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-17 15:16:07,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2025-03-17 15:16:07,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 330. [2025-03-17 15:16:07,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 250 states have (on average 1.588) internal successors, (397), 297 states have internal predecessors, (397), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-03-17 15:16:07,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 457 transitions. [2025-03-17 15:16:07,889 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 457 transitions. Word has length 51 [2025-03-17 15:16:07,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:16:07,889 INFO L471 AbstractCegarLoop]: Abstraction has 330 states and 457 transitions. [2025-03-17 15:16:07,889 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 11 states have internal predecessors, (35), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2025-03-17 15:16:07,889 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 457 transitions. [2025-03-17 15:16:07,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2025-03-17 15:16:07,890 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:16:07,890 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1] [2025-03-17 15:16:07,896 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2025-03-17 15:16:08,094 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2025-03-17 15:16:08,094 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:16:08,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:16:08,094 INFO L85 PathProgramCache]: Analyzing trace with hash -555853467, now seen corresponding path program 1 times [2025-03-17 15:16:08,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:16:08,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780386350] [2025-03-17 15:16:08,094 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:08,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:16:08,098 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-03-17 15:16:08,103 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-03-17 15:16:08,103 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:08,103 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:16:08,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [869536176] [2025-03-17 15:16:08,104 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:08,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:16:08,104 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:16:08,106 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:16:08,108 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2025-03-17 15:16:08,128 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-03-17 15:16:08,140 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-03-17 15:16:08,140 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:08,140 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:16:08,141 INFO L256 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-03-17 15:16:08,142 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:16:08,254 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-03-17 15:16:08,254 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:16:08,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:16:08,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780386350] [2025-03-17 15:16:08,301 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:16:08,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [869536176] [2025-03-17 15:16:08,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [869536176] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:16:08,301 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:16:08,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-03-17 15:16:08,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712685677] [2025-03-17 15:16:08,301 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:16:08,302 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-17 15:16:08,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:16:08,302 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-17 15:16:08,302 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2025-03-17 15:16:08,302 INFO L87 Difference]: Start difference. First operand 330 states and 457 transitions. Second operand has 9 states, 8 states have (on average 4.5) internal successors, (36), 8 states have internal predecessors, (36), 3 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2025-03-17 15:16:08,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:16:08,572 INFO L93 Difference]: Finished difference Result 391 states and 488 transitions. [2025-03-17 15:16:08,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-17 15:16:08,572 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.5) internal successors, (36), 8 states have internal predecessors, (36), 3 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 52 [2025-03-17 15:16:08,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:16:08,573 INFO L225 Difference]: With dead ends: 391 [2025-03-17 15:16:08,574 INFO L226 Difference]: Without dead ends: 390 [2025-03-17 15:16:08,574 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2025-03-17 15:16:08,574 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 208 mSDsluCounter, 588 mSDsCounter, 0 mSdLazyCounter, 560 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 715 SdHoareTripleChecker+Invalid, 561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 560 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:16:08,574 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [220 Valid, 715 Invalid, 561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 560 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:16:08,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2025-03-17 15:16:08,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 330. [2025-03-17 15:16:08,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 250 states have (on average 1.58) internal successors, (395), 297 states have internal predecessors, (395), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-03-17 15:16:08,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 455 transitions. [2025-03-17 15:16:08,592 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 455 transitions. Word has length 52 [2025-03-17 15:16:08,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:16:08,592 INFO L471 AbstractCegarLoop]: Abstraction has 330 states and 455 transitions. [2025-03-17 15:16:08,593 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.5) internal successors, (36), 8 states have internal predecessors, (36), 3 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2025-03-17 15:16:08,593 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 455 transitions. [2025-03-17 15:16:08,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2025-03-17 15:16:08,593 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:16:08,593 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1] [2025-03-17 15:16:08,599 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2025-03-17 15:16:08,797 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:16:08,797 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:16:08,797 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:16:08,797 INFO L85 PathProgramCache]: Analyzing trace with hash -51588239, now seen corresponding path program 1 times [2025-03-17 15:16:08,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:16:08,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610513116] [2025-03-17 15:16:08,797 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:08,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:16:08,800 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-03-17 15:16:08,804 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-03-17 15:16:08,805 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:08,805 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:16:08,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1198422789] [2025-03-17 15:16:08,805 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:08,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:16:08,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:16:08,807 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:16:08,809 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2025-03-17 15:16:08,827 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-03-17 15:16:08,839 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-03-17 15:16:08,840 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:08,840 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:16:08,840 INFO L256 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-03-17 15:16:08,841 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:16:09,141 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-17 15:16:09,141 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:16:09,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:16:09,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610513116] [2025-03-17 15:16:09,224 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:16:09,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1198422789] [2025-03-17 15:16:09,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1198422789] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:16:09,224 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:16:09,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2025-03-17 15:16:09,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845762754] [2025-03-17 15:16:09,225 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:16:09,225 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-17 15:16:09,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:16:09,226 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-17 15:16:09,226 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2025-03-17 15:16:09,226 INFO L87 Difference]: Start difference. First operand 330 states and 455 transitions. Second operand has 14 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 12 states have internal predecessors, (37), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2025-03-17 15:16:10,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:16:10,030 INFO L93 Difference]: Finished difference Result 450 states and 588 transitions. [2025-03-17 15:16:10,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-17 15:16:10,031 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 12 states have internal predecessors, (37), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 53 [2025-03-17 15:16:10,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:16:10,032 INFO L225 Difference]: With dead ends: 450 [2025-03-17 15:16:10,032 INFO L226 Difference]: Without dead ends: 449 [2025-03-17 15:16:10,032 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=75, Invalid=267, Unknown=0, NotChecked=0, Total=342 [2025-03-17 15:16:10,033 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 330 mSDsluCounter, 449 mSDsCounter, 0 mSdLazyCounter, 1488 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 339 SdHoareTripleChecker+Valid, 520 SdHoareTripleChecker+Invalid, 1503 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1488 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-03-17 15:16:10,033 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [339 Valid, 520 Invalid, 1503 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1488 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-03-17 15:16:10,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2025-03-17 15:16:10,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 393. [2025-03-17 15:16:10,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 305 states have (on average 1.5704918032786885) internal successors, (479), 352 states have internal predecessors, (479), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2025-03-17 15:16:10,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 555 transitions. [2025-03-17 15:16:10,053 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 555 transitions. Word has length 53 [2025-03-17 15:16:10,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:16:10,053 INFO L471 AbstractCegarLoop]: Abstraction has 393 states and 555 transitions. [2025-03-17 15:16:10,053 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 12 states have internal predecessors, (37), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2025-03-17 15:16:10,054 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 555 transitions. [2025-03-17 15:16:10,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2025-03-17 15:16:10,054 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:16:10,054 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:16:10,060 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2025-03-17 15:16:10,255 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:16:10,255 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:16:10,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:16:10,255 INFO L85 PathProgramCache]: Analyzing trace with hash -1796666678, now seen corresponding path program 1 times [2025-03-17 15:16:10,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:16:10,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543758944] [2025-03-17 15:16:10,256 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:10,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:16:10,258 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 57 statements into 1 equivalence classes. [2025-03-17 15:16:10,262 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 57 of 57 statements. [2025-03-17 15:16:10,262 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:10,262 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:16:10,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1988713733] [2025-03-17 15:16:10,263 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:10,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:16:10,263 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:16:10,266 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:16:10,266 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2025-03-17 15:16:10,287 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 57 statements into 1 equivalence classes. [2025-03-17 15:16:10,296 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 57 of 57 statements. [2025-03-17 15:16:10,296 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:10,296 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:16:10,297 INFO L256 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-17 15:16:10,297 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:16:10,355 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-03-17 15:16:10,355 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:16:10,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:16:10,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543758944] [2025-03-17 15:16:10,355 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:16:10,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1988713733] [2025-03-17 15:16:10,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1988713733] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:16:10,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:16:10,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 15:16:10,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249828999] [2025-03-17 15:16:10,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:16:10,356 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 15:16:10,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:16:10,356 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 15:16:10,356 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-17 15:16:10,356 INFO L87 Difference]: Start difference. First operand 393 states and 555 transitions. Second operand has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2025-03-17 15:16:10,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:16:10,515 INFO L93 Difference]: Finished difference Result 468 states and 643 transitions. [2025-03-17 15:16:10,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 15:16:10,516 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 57 [2025-03-17 15:16:10,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:16:10,517 INFO L225 Difference]: With dead ends: 468 [2025-03-17 15:16:10,517 INFO L226 Difference]: Without dead ends: 465 [2025-03-17 15:16:10,517 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2025-03-17 15:16:10,517 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 209 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:16:10,517 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [213 Valid, 196 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:16:10,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2025-03-17 15:16:10,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 447. [2025-03-17 15:16:10,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 447 states, 351 states have (on average 1.5299145299145298) internal successors, (537), 398 states have internal predecessors, (537), 46 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2025-03-17 15:16:10,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 629 transitions. [2025-03-17 15:16:10,546 INFO L78 Accepts]: Start accepts. Automaton has 447 states and 629 transitions. Word has length 57 [2025-03-17 15:16:10,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:16:10,548 INFO L471 AbstractCegarLoop]: Abstraction has 447 states and 629 transitions. [2025-03-17 15:16:10,548 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2025-03-17 15:16:10,548 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 629 transitions. [2025-03-17 15:16:10,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2025-03-17 15:16:10,549 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:16:10,549 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:16:10,556 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2025-03-17 15:16:10,749 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:16:10,750 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:16:10,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:16:10,750 INFO L85 PathProgramCache]: Analyzing trace with hash 137907870, now seen corresponding path program 1 times [2025-03-17 15:16:10,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:16:10,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951040684] [2025-03-17 15:16:10,750 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:10,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:16:10,752 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 58 statements into 1 equivalence classes. [2025-03-17 15:16:10,757 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 58 of 58 statements. [2025-03-17 15:16:10,757 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:10,757 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:16:10,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [713906446] [2025-03-17 15:16:10,758 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:10,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:16:10,758 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:16:10,760 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:16:10,761 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2025-03-17 15:16:10,786 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 58 statements into 1 equivalence classes. [2025-03-17 15:16:10,796 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 58 of 58 statements. [2025-03-17 15:16:10,796 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:10,796 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:16:10,797 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-17 15:16:10,798 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:16:10,860 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-03-17 15:16:10,861 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:16:10,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:16:10,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951040684] [2025-03-17 15:16:10,861 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:16:10,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [713906446] [2025-03-17 15:16:10,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [713906446] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:16:10,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:16:10,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 15:16:10,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773556115] [2025-03-17 15:16:10,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:16:10,862 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 15:16:10,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:16:10,862 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 15:16:10,862 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-17 15:16:10,862 INFO L87 Difference]: Start difference. First operand 447 states and 629 transitions. Second operand has 5 states, 4 states have (on average 7.25) internal successors, (29), 5 states have internal predecessors, (29), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2025-03-17 15:16:11,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:16:11,018 INFO L93 Difference]: Finished difference Result 466 states and 637 transitions. [2025-03-17 15:16:11,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 15:16:11,019 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.25) internal successors, (29), 5 states have internal predecessors, (29), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 58 [2025-03-17 15:16:11,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:16:11,020 INFO L225 Difference]: With dead ends: 466 [2025-03-17 15:16:11,020 INFO L226 Difference]: Without dead ends: 465 [2025-03-17 15:16:11,020 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2025-03-17 15:16:11,020 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 206 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:16:11,020 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 197 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:16:11,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2025-03-17 15:16:11,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 447. [2025-03-17 15:16:11,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 447 states, 351 states have (on average 1.5242165242165242) internal successors, (535), 398 states have internal predecessors, (535), 46 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2025-03-17 15:16:11,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 627 transitions. [2025-03-17 15:16:11,046 INFO L78 Accepts]: Start accepts. Automaton has 447 states and 627 transitions. Word has length 58 [2025-03-17 15:16:11,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:16:11,048 INFO L471 AbstractCegarLoop]: Abstraction has 447 states and 627 transitions. [2025-03-17 15:16:11,048 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.25) internal successors, (29), 5 states have internal predecessors, (29), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2025-03-17 15:16:11,048 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 627 transitions. [2025-03-17 15:16:11,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2025-03-17 15:16:11,049 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:16:11,049 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:16:11,054 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2025-03-17 15:16:11,249 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2025-03-17 15:16:11,249 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:16:11,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:16:11,250 INFO L85 PathProgramCache]: Analyzing trace with hash -798394933, now seen corresponding path program 1 times [2025-03-17 15:16:11,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:16:11,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535509868] [2025-03-17 15:16:11,250 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:11,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:16:11,253 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 61 statements into 1 equivalence classes. [2025-03-17 15:16:11,258 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 61 of 61 statements. [2025-03-17 15:16:11,259 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:11,259 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:16:11,421 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2025-03-17 15:16:11,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:16:11,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535509868] [2025-03-17 15:16:11,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [535509868] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:16:11,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2137491292] [2025-03-17 15:16:11,421 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:11,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:16:11,421 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:16:11,423 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:16:11,424 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2025-03-17 15:16:11,442 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 61 statements into 1 equivalence classes. [2025-03-17 15:16:11,453 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 61 of 61 statements. [2025-03-17 15:16:11,453 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:11,453 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:16:11,454 INFO L256 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-17 15:16:11,455 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:16:11,543 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-03-17 15:16:11,543 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:16:11,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2137491292] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:16:11,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:16:11,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [11] total 17 [2025-03-17 15:16:11,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41969971] [2025-03-17 15:16:11,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:16:11,544 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-17 15:16:11,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:16:11,544 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-17 15:16:11,544 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2025-03-17 15:16:11,544 INFO L87 Difference]: Start difference. First operand 447 states and 627 transitions. Second operand has 8 states, 7 states have (on average 5.285714285714286) internal successors, (37), 8 states have internal predecessors, (37), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-03-17 15:16:11,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:16:11,897 INFO L93 Difference]: Finished difference Result 501 states and 636 transitions. [2025-03-17 15:16:11,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-17 15:16:11,897 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.285714285714286) internal successors, (37), 8 states have internal predecessors, (37), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 61 [2025-03-17 15:16:11,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:16:11,898 INFO L225 Difference]: With dead ends: 501 [2025-03-17 15:16:11,898 INFO L226 Difference]: Without dead ends: 500 [2025-03-17 15:16:11,899 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=97, Invalid=409, Unknown=0, NotChecked=0, Total=506 [2025-03-17 15:16:11,899 INFO L435 NwaCegarLoop]: 114 mSDtfsCounter, 415 mSDsluCounter, 486 mSDsCounter, 0 mSdLazyCounter, 451 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 419 SdHoareTripleChecker+Valid, 600 SdHoareTripleChecker+Invalid, 479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 451 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:16:11,899 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [419 Valid, 600 Invalid, 479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 451 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 15:16:11,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 500 states. [2025-03-17 15:16:11,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 447. [2025-03-17 15:16:11,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 447 states, 351 states have (on average 1.5213675213675213) internal successors, (534), 398 states have internal predecessors, (534), 46 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2025-03-17 15:16:11,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 626 transitions. [2025-03-17 15:16:11,929 INFO L78 Accepts]: Start accepts. Automaton has 447 states and 626 transitions. Word has length 61 [2025-03-17 15:16:11,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:16:11,929 INFO L471 AbstractCegarLoop]: Abstraction has 447 states and 626 transitions. [2025-03-17 15:16:11,930 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.285714285714286) internal successors, (37), 8 states have internal predecessors, (37), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-03-17 15:16:11,930 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 626 transitions. [2025-03-17 15:16:11,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-03-17 15:16:11,930 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:16:11,930 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:16:11,936 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2025-03-17 15:16:12,130 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:16:12,130 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:16:12,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:16:12,131 INFO L85 PathProgramCache]: Analyzing trace with hash -2003584684, now seen corresponding path program 1 times [2025-03-17 15:16:12,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:16:12,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291506176] [2025-03-17 15:16:12,131 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:12,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:16:12,133 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-03-17 15:16:12,135 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-03-17 15:16:12,135 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:12,135 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:16:12,174 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-17 15:16:12,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:16:12,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291506176] [2025-03-17 15:16:12,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291506176] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:16:12,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:16:12,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 15:16:12,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574091674] [2025-03-17 15:16:12,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:16:12,175 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 15:16:12,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:16:12,175 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 15:16:12,175 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-17 15:16:12,175 INFO L87 Difference]: Start difference. First operand 447 states and 626 transitions. Second operand has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-03-17 15:16:12,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:16:12,426 INFO L93 Difference]: Finished difference Result 469 states and 638 transitions. [2025-03-17 15:16:12,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 15:16:12,426 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 64 [2025-03-17 15:16:12,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:16:12,427 INFO L225 Difference]: With dead ends: 469 [2025-03-17 15:16:12,427 INFO L226 Difference]: Without dead ends: 467 [2025-03-17 15:16:12,428 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:16:12,428 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 219 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 223 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:16:12,428 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [223 Valid, 266 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:16:12,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2025-03-17 15:16:12,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 449. [2025-03-17 15:16:12,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 449 states, 353 states have (on average 1.5127478753541077) internal successors, (534), 400 states have internal predecessors, (534), 46 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2025-03-17 15:16:12,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 626 transitions. [2025-03-17 15:16:12,454 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 626 transitions. Word has length 64 [2025-03-17 15:16:12,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:16:12,454 INFO L471 AbstractCegarLoop]: Abstraction has 449 states and 626 transitions. [2025-03-17 15:16:12,454 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-03-17 15:16:12,454 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 626 transitions. [2025-03-17 15:16:12,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2025-03-17 15:16:12,455 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:16:12,455 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:16:12,455 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2025-03-17 15:16:12,455 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:16:12,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:16:12,455 INFO L85 PathProgramCache]: Analyzing trace with hash 1019560898, now seen corresponding path program 1 times [2025-03-17 15:16:12,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:16:12,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547601928] [2025-03-17 15:16:12,455 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:12,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:16:12,459 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-03-17 15:16:12,473 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-03-17 15:16:12,474 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:12,474 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:16:12,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [675143674] [2025-03-17 15:16:12,476 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:12,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:16:12,476 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:16:12,478 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:16:12,479 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2025-03-17 15:16:12,498 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-03-17 15:16:12,509 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-03-17 15:16:12,509 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:12,509 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:16:12,510 INFO L256 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-17 15:16:12,511 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:16:12,563 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-03-17 15:16:12,563 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:16:12,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:16:12,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547601928] [2025-03-17 15:16:12,584 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:16:12,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [675143674] [2025-03-17 15:16:12,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [675143674] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:16:12,584 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:16:12,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-03-17 15:16:12,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418011120] [2025-03-17 15:16:12,584 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:16:12,584 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 15:16:12,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:16:12,585 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 15:16:12,585 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2025-03-17 15:16:12,585 INFO L87 Difference]: Start difference. First operand 449 states and 626 transitions. Second operand has 6 states, 5 states have (on average 7.6) internal successors, (38), 6 states have internal predecessors, (38), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-03-17 15:16:12,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:16:12,824 INFO L93 Difference]: Finished difference Result 490 states and 638 transitions. [2025-03-17 15:16:12,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-17 15:16:12,824 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.6) internal successors, (38), 6 states have internal predecessors, (38), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 62 [2025-03-17 15:16:12,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:16:12,825 INFO L225 Difference]: With dead ends: 490 [2025-03-17 15:16:12,825 INFO L226 Difference]: Without dead ends: 489 [2025-03-17 15:16:12,825 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2025-03-17 15:16:12,826 INFO L435 NwaCegarLoop]: 107 mSDtfsCounter, 346 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 346 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:16:12,826 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [346 Valid, 310 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:16:12,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2025-03-17 15:16:12,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 449. [2025-03-17 15:16:12,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 449 states, 353 states have (on average 1.5042492917847026) internal successors, (531), 400 states have internal predecessors, (531), 46 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2025-03-17 15:16:12,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 623 transitions. [2025-03-17 15:16:12,851 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 623 transitions. Word has length 62 [2025-03-17 15:16:12,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:16:12,851 INFO L471 AbstractCegarLoop]: Abstraction has 449 states and 623 transitions. [2025-03-17 15:16:12,851 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.6) internal successors, (38), 6 states have internal predecessors, (38), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-03-17 15:16:12,851 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 623 transitions. [2025-03-17 15:16:12,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2025-03-17 15:16:12,852 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:16:12,852 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:16:12,857 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2025-03-17 15:16:13,052 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:16:13,052 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:16:13,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:16:13,052 INFO L85 PathProgramCache]: Analyzing trace with hash -1981583025, now seen corresponding path program 1 times [2025-03-17 15:16:13,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:16:13,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002549909] [2025-03-17 15:16:13,053 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:13,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:16:13,055 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes. [2025-03-17 15:16:13,057 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements. [2025-03-17 15:16:13,057 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:13,058 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:16:13,101 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-17 15:16:13,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:16:13,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002549909] [2025-03-17 15:16:13,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002549909] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:16:13,102 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:16:13,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-17 15:16:13,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909714441] [2025-03-17 15:16:13,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:16:13,102 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 15:16:13,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:16:13,102 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 15:16:13,102 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-17 15:16:13,102 INFO L87 Difference]: Start difference. First operand 449 states and 623 transitions. Second operand has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-17 15:16:13,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:16:13,328 INFO L93 Difference]: Finished difference Result 478 states and 631 transitions. [2025-03-17 15:16:13,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 15:16:13,329 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 65 [2025-03-17 15:16:13,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:16:13,330 INFO L225 Difference]: With dead ends: 478 [2025-03-17 15:16:13,330 INFO L226 Difference]: Without dead ends: 476 [2025-03-17 15:16:13,331 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2025-03-17 15:16:13,331 INFO L435 NwaCegarLoop]: 85 mSDtfsCounter, 302 mSDsluCounter, 302 mSDsCounter, 0 mSdLazyCounter, 257 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 306 SdHoareTripleChecker+Valid, 387 SdHoareTripleChecker+Invalid, 281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:16:13,331 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [306 Valid, 387 Invalid, 281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 257 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:16:13,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2025-03-17 15:16:13,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 449. [2025-03-17 15:16:13,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 449 states, 353 states have (on average 1.498583569405099) internal successors, (529), 400 states have internal predecessors, (529), 46 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2025-03-17 15:16:13,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 621 transitions. [2025-03-17 15:16:13,357 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 621 transitions. Word has length 65 [2025-03-17 15:16:13,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:16:13,357 INFO L471 AbstractCegarLoop]: Abstraction has 449 states and 621 transitions. [2025-03-17 15:16:13,357 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-17 15:16:13,357 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 621 transitions. [2025-03-17 15:16:13,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2025-03-17 15:16:13,357 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:16:13,357 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:16:13,358 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2025-03-17 15:16:13,358 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:16:13,358 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:16:13,358 INFO L85 PathProgramCache]: Analyzing trace with hash -1630773851, now seen corresponding path program 1 times [2025-03-17 15:16:13,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:16:13,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135316491] [2025-03-17 15:16:13,358 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:13,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:16:13,361 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 67 statements into 1 equivalence classes. [2025-03-17 15:16:13,364 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 67 of 67 statements. [2025-03-17 15:16:13,366 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:13,366 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:16:13,388 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-17 15:16:13,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:16:13,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135316491] [2025-03-17 15:16:13,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2135316491] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:16:13,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:16:13,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 15:16:13,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017451236] [2025-03-17 15:16:13,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:16:13,388 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 15:16:13,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:16:13,389 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 15:16:13,389 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 15:16:13,389 INFO L87 Difference]: Start difference. First operand 449 states and 621 transitions. Second operand has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-17 15:16:13,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:16:13,462 INFO L93 Difference]: Finished difference Result 629 states and 898 transitions. [2025-03-17 15:16:13,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 15:16:13,463 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 67 [2025-03-17 15:16:13,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:16:13,465 INFO L225 Difference]: With dead ends: 629 [2025-03-17 15:16:13,465 INFO L226 Difference]: Without dead ends: 628 [2025-03-17 15:16:13,465 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 15:16:13,466 INFO L435 NwaCegarLoop]: 112 mSDtfsCounter, 22 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 15:16:13,466 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 215 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 15:16:13,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 628 states. [2025-03-17 15:16:13,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 628 to 582. [2025-03-17 15:16:13,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 582 states, 464 states have (on average 1.5064655172413792) internal successors, (699), 511 states have internal predecessors, (699), 68 states have call successors, (68), 2 states have call predecessors, (68), 2 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2025-03-17 15:16:13,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 582 states and 835 transitions. [2025-03-17 15:16:13,507 INFO L78 Accepts]: Start accepts. Automaton has 582 states and 835 transitions. Word has length 67 [2025-03-17 15:16:13,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:16:13,507 INFO L471 AbstractCegarLoop]: Abstraction has 582 states and 835 transitions. [2025-03-17 15:16:13,507 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-17 15:16:13,507 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 835 transitions. [2025-03-17 15:16:13,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2025-03-17 15:16:13,508 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:16:13,508 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:16:13,508 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2025-03-17 15:16:13,508 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:16:13,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:16:13,508 INFO L85 PathProgramCache]: Analyzing trace with hash 985618192, now seen corresponding path program 1 times [2025-03-17 15:16:13,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:16:13,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305738432] [2025-03-17 15:16:13,509 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:13,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:16:13,511 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-03-17 15:16:13,516 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-03-17 15:16:13,516 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:13,516 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:16:13,557 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-17 15:16:13,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:16:13,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305738432] [2025-03-17 15:16:13,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305738432] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:16:13,557 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:16:13,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-17 15:16:13,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617223453] [2025-03-17 15:16:13,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:16:13,558 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 15:16:13,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:16:13,559 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 15:16:13,559 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-17 15:16:13,559 INFO L87 Difference]: Start difference. First operand 582 states and 835 transitions. Second operand has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-17 15:16:13,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:16:13,765 INFO L93 Difference]: Finished difference Result 598 states and 835 transitions. [2025-03-17 15:16:13,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 15:16:13,765 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 68 [2025-03-17 15:16:13,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:16:13,767 INFO L225 Difference]: With dead ends: 598 [2025-03-17 15:16:13,767 INFO L226 Difference]: Without dead ends: 597 [2025-03-17 15:16:13,767 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2025-03-17 15:16:13,767 INFO L435 NwaCegarLoop]: 88 mSDtfsCounter, 198 mSDsluCounter, 249 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:16:13,767 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 337 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:16:13,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 597 states. [2025-03-17 15:16:13,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 597 to 582. [2025-03-17 15:16:13,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 582 states, 464 states have (on average 1.5043103448275863) internal successors, (698), 511 states have internal predecessors, (698), 68 states have call successors, (68), 2 states have call predecessors, (68), 2 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2025-03-17 15:16:13,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 582 states and 834 transitions. [2025-03-17 15:16:13,809 INFO L78 Accepts]: Start accepts. Automaton has 582 states and 834 transitions. Word has length 68 [2025-03-17 15:16:13,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:16:13,809 INFO L471 AbstractCegarLoop]: Abstraction has 582 states and 834 transitions. [2025-03-17 15:16:13,810 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-17 15:16:13,810 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 834 transitions. [2025-03-17 15:16:13,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2025-03-17 15:16:13,810 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:16:13,810 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:16:13,810 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2025-03-17 15:16:13,810 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:16:13,811 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:16:13,811 INFO L85 PathProgramCache]: Analyzing trace with hash 489392899, now seen corresponding path program 1 times [2025-03-17 15:16:13,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:16:13,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169694474] [2025-03-17 15:16:13,811 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:13,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:16:13,814 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 69 statements into 1 equivalence classes. [2025-03-17 15:16:13,816 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 69 of 69 statements. [2025-03-17 15:16:13,817 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:13,817 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:16:13,845 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-17 15:16:13,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:16:13,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169694474] [2025-03-17 15:16:13,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169694474] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:16:13,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:16:13,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:16:13,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470114879] [2025-03-17 15:16:13,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:16:13,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:16:13,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:16:13,846 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:16:13,846 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:16:13,846 INFO L87 Difference]: Start difference. First operand 582 states and 834 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-17 15:16:13,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:16:13,988 INFO L93 Difference]: Finished difference Result 657 states and 904 transitions. [2025-03-17 15:16:13,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:16:13,989 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 69 [2025-03-17 15:16:13,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:16:13,990 INFO L225 Difference]: With dead ends: 657 [2025-03-17 15:16:13,990 INFO L226 Difference]: Without dead ends: 653 [2025-03-17 15:16:13,991 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 15:16:13,991 INFO L435 NwaCegarLoop]: 106 mSDtfsCounter, 95 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 242 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:16:13,991 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 242 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:16:13,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 653 states. [2025-03-17 15:16:14,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 653 to 604. [2025-03-17 15:16:14,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 604 states, 486 states have (on average 1.4876543209876543) internal successors, (723), 533 states have internal predecessors, (723), 68 states have call successors, (68), 2 states have call predecessors, (68), 2 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2025-03-17 15:16:14,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 604 states and 859 transitions. [2025-03-17 15:16:14,027 INFO L78 Accepts]: Start accepts. Automaton has 604 states and 859 transitions. Word has length 69 [2025-03-17 15:16:14,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:16:14,027 INFO L471 AbstractCegarLoop]: Abstraction has 604 states and 859 transitions. [2025-03-17 15:16:14,027 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-17 15:16:14,027 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 859 transitions. [2025-03-17 15:16:14,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2025-03-17 15:16:14,027 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:16:14,027 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:16:14,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2025-03-17 15:16:14,027 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:16:14,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:16:14,027 INFO L85 PathProgramCache]: Analyzing trace with hash -291572487, now seen corresponding path program 1 times [2025-03-17 15:16:14,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:16:14,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519550431] [2025-03-17 15:16:14,028 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:14,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:16:14,030 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-03-17 15:16:14,036 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-03-17 15:16:14,037 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:14,037 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:16:14,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1276174560] [2025-03-17 15:16:14,037 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:14,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:16:14,037 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:16:14,039 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:16:14,041 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2025-03-17 15:16:14,059 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-03-17 15:16:14,071 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-03-17 15:16:14,071 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:14,071 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:16:14,072 INFO L256 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-17 15:16:14,073 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:16:14,136 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-03-17 15:16:14,136 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:16:14,205 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-03-17 15:16:14,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:16:14,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519550431] [2025-03-17 15:16:14,206 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:16:14,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1276174560] [2025-03-17 15:16:14,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1276174560] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:16:14,206 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 15:16:14,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2025-03-17 15:16:14,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754230893] [2025-03-17 15:16:14,206 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 15:16:14,206 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-17 15:16:14,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:16:14,206 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-17 15:16:14,206 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2025-03-17 15:16:14,206 INFO L87 Difference]: Start difference. First operand 604 states and 859 transitions. Second operand has 12 states, 11 states have (on average 6.545454545454546) internal successors, (72), 12 states have internal predecessors, (72), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2025-03-17 15:16:14,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:16:14,885 INFO L93 Difference]: Finished difference Result 888 states and 1204 transitions. [2025-03-17 15:16:14,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-17 15:16:14,886 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.545454545454546) internal successors, (72), 12 states have internal predecessors, (72), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) Word has length 68 [2025-03-17 15:16:14,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:16:14,888 INFO L225 Difference]: With dead ends: 888 [2025-03-17 15:16:14,888 INFO L226 Difference]: Without dead ends: 885 [2025-03-17 15:16:14,888 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=184, Invalid=416, Unknown=0, NotChecked=0, Total=600 [2025-03-17 15:16:14,888 INFO L435 NwaCegarLoop]: 101 mSDtfsCounter, 514 mSDsluCounter, 672 mSDsCounter, 0 mSdLazyCounter, 811 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 517 SdHoareTripleChecker+Valid, 773 SdHoareTripleChecker+Invalid, 851 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 811 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-17 15:16:14,888 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [517 Valid, 773 Invalid, 851 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 811 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-17 15:16:14,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 885 states. [2025-03-17 15:16:14,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 885 to 650. [2025-03-17 15:16:14,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 650 states, 526 states have (on average 1.461977186311787) internal successors, (769), 573 states have internal predecessors, (769), 74 states have call successors, (74), 2 states have call predecessors, (74), 2 states have return successors, (74), 74 states have call predecessors, (74), 74 states have call successors, (74) [2025-03-17 15:16:14,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 917 transitions. [2025-03-17 15:16:14,938 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 917 transitions. Word has length 68 [2025-03-17 15:16:14,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:16:14,938 INFO L471 AbstractCegarLoop]: Abstraction has 650 states and 917 transitions. [2025-03-17 15:16:14,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.545454545454546) internal successors, (72), 12 states have internal predecessors, (72), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2025-03-17 15:16:14,938 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 917 transitions. [2025-03-17 15:16:14,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2025-03-17 15:16:14,939 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:16:14,939 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:16:14,944 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Ended with exit code 0 [2025-03-17 15:16:15,139 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable40 [2025-03-17 15:16:15,139 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:16:15,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:16:15,140 INFO L85 PathProgramCache]: Analyzing trace with hash -448812465, now seen corresponding path program 1 times [2025-03-17 15:16:15,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:16:15,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965764683] [2025-03-17 15:16:15,140 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:15,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:16:15,142 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 69 statements into 1 equivalence classes. [2025-03-17 15:16:15,146 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 69 of 69 statements. [2025-03-17 15:16:15,146 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:15,146 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:16:15,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1784987546] [2025-03-17 15:16:15,147 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:15,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:16:15,147 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:16:15,149 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:16:15,150 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2025-03-17 15:16:15,169 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 69 statements into 1 equivalence classes. [2025-03-17 15:16:15,181 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 69 of 69 statements. [2025-03-17 15:16:15,181 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:15,181 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:16:15,182 INFO L256 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-17 15:16:15,183 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:16:15,253 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-03-17 15:16:15,253 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:16:15,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:16:15,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965764683] [2025-03-17 15:16:15,253 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:16:15,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1784987546] [2025-03-17 15:16:15,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1784987546] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:16:15,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:16:15,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-17 15:16:15,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238206932] [2025-03-17 15:16:15,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:16:15,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-17 15:16:15,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:16:15,253 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-17 15:16:15,254 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2025-03-17 15:16:15,254 INFO L87 Difference]: Start difference. First operand 650 states and 917 transitions. Second operand has 7 states, 6 states have (on average 6.666666666666667) internal successors, (40), 7 states have internal predecessors, (40), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2025-03-17 15:16:15,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:16:15,497 INFO L93 Difference]: Finished difference Result 688 states and 943 transitions. [2025-03-17 15:16:15,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-17 15:16:15,498 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.666666666666667) internal successors, (40), 7 states have internal predecessors, (40), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 69 [2025-03-17 15:16:15,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:16:15,500 INFO L225 Difference]: With dead ends: 688 [2025-03-17 15:16:15,500 INFO L226 Difference]: Without dead ends: 685 [2025-03-17 15:16:15,500 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2025-03-17 15:16:15,501 INFO L435 NwaCegarLoop]: 105 mSDtfsCounter, 285 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:16:15,501 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [285 Valid, 314 Invalid, 282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 266 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:16:15,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 685 states. [2025-03-17 15:16:15,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 685 to 654. [2025-03-17 15:16:15,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 654 states, 530 states have (on average 1.4471698113207547) internal successors, (767), 577 states have internal predecessors, (767), 74 states have call successors, (74), 2 states have call predecessors, (74), 2 states have return successors, (74), 74 states have call predecessors, (74), 74 states have call successors, (74) [2025-03-17 15:16:15,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 654 states and 915 transitions. [2025-03-17 15:16:15,549 INFO L78 Accepts]: Start accepts. Automaton has 654 states and 915 transitions. Word has length 69 [2025-03-17 15:16:15,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:16:15,549 INFO L471 AbstractCegarLoop]: Abstraction has 654 states and 915 transitions. [2025-03-17 15:16:15,549 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.666666666666667) internal successors, (40), 7 states have internal predecessors, (40), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2025-03-17 15:16:15,550 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 915 transitions. [2025-03-17 15:16:15,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2025-03-17 15:16:15,550 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:16:15,550 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:16:15,555 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2025-03-17 15:16:15,750 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:16:15,750 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:16:15,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:16:15,751 INFO L85 PathProgramCache]: Analyzing trace with hash -1365652411, now seen corresponding path program 1 times [2025-03-17 15:16:15,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:16:15,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955535275] [2025-03-17 15:16:15,751 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:15,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:16:15,754 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 75 statements into 1 equivalence classes. [2025-03-17 15:16:15,757 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 75 of 75 statements. [2025-03-17 15:16:15,757 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:15,757 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:16:15,802 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-17 15:16:15,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:16:15,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955535275] [2025-03-17 15:16:15,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955535275] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:16:15,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1487126895] [2025-03-17 15:16:15,802 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:15,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:16:15,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:16:15,804 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:16:15,805 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2025-03-17 15:16:15,827 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 75 statements into 1 equivalence classes. [2025-03-17 15:16:15,840 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 75 of 75 statements. [2025-03-17 15:16:15,840 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:15,840 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:16:15,840 INFO L256 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-17 15:16:15,841 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:16:15,883 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-17 15:16:15,883 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:16:15,968 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-17 15:16:15,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1487126895] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:16:15,968 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:16:15,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2025-03-17 15:16:15,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936853612] [2025-03-17 15:16:15,968 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:16:15,968 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-17 15:16:15,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:16:15,970 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-17 15:16:15,970 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2025-03-17 15:16:15,970 INFO L87 Difference]: Start difference. First operand 654 states and 915 transitions. Second operand has 12 states, 11 states have (on average 6.909090909090909) internal successors, (76), 12 states have internal predecessors, (76), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2025-03-17 15:16:16,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:16:16,535 INFO L93 Difference]: Finished difference Result 897 states and 1202 transitions. [2025-03-17 15:16:16,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-17 15:16:16,535 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.909090909090909) internal successors, (76), 12 states have internal predecessors, (76), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 75 [2025-03-17 15:16:16,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:16:16,538 INFO L225 Difference]: With dead ends: 897 [2025-03-17 15:16:16,538 INFO L226 Difference]: Without dead ends: 895 [2025-03-17 15:16:16,538 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=169, Invalid=383, Unknown=0, NotChecked=0, Total=552 [2025-03-17 15:16:16,538 INFO L435 NwaCegarLoop]: 109 mSDtfsCounter, 768 mSDsluCounter, 644 mSDsCounter, 0 mSdLazyCounter, 703 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 772 SdHoareTripleChecker+Valid, 753 SdHoareTripleChecker+Invalid, 762 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 703 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-17 15:16:16,538 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [772 Valid, 753 Invalid, 762 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 703 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-17 15:16:16,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 895 states. [2025-03-17 15:16:16,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 895 to 657. [2025-03-17 15:16:16,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 657 states, 532 states have (on average 1.4266917293233083) internal successors, (759), 578 states have internal predecessors, (759), 76 states have call successors, (76), 2 states have call predecessors, (76), 2 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2025-03-17 15:16:16,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 657 states and 911 transitions. [2025-03-17 15:16:16,583 INFO L78 Accepts]: Start accepts. Automaton has 657 states and 911 transitions. Word has length 75 [2025-03-17 15:16:16,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:16:16,584 INFO L471 AbstractCegarLoop]: Abstraction has 657 states and 911 transitions. [2025-03-17 15:16:16,584 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.909090909090909) internal successors, (76), 12 states have internal predecessors, (76), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2025-03-17 15:16:16,584 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 911 transitions. [2025-03-17 15:16:16,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2025-03-17 15:16:16,584 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:16:16,584 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:16:16,590 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Ended with exit code 0 [2025-03-17 15:16:16,785 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42 [2025-03-17 15:16:16,785 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:16:16,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:16:16,785 INFO L85 PathProgramCache]: Analyzing trace with hash 614448254, now seen corresponding path program 1 times [2025-03-17 15:16:16,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:16:16,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426440434] [2025-03-17 15:16:16,785 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:16,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:16:16,788 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 76 statements into 1 equivalence classes. [2025-03-17 15:16:16,791 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 76 of 76 statements. [2025-03-17 15:16:16,791 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:16,791 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:16:16,827 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-17 15:16:16,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:16:16,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426440434] [2025-03-17 15:16:16,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [426440434] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:16:16,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:16:16,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-17 15:16:16,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374837455] [2025-03-17 15:16:16,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:16:16,828 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-17 15:16:16,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:16:16,829 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-17 15:16:16,829 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2025-03-17 15:16:16,829 INFO L87 Difference]: Start difference. First operand 657 states and 911 transitions. Second operand has 7 states, 6 states have (on average 7.0) internal successors, (42), 7 states have internal predecessors, (42), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-03-17 15:16:17,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:16:17,094 INFO L93 Difference]: Finished difference Result 693 states and 929 transitions. [2025-03-17 15:16:17,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-17 15:16:17,094 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.0) internal successors, (42), 7 states have internal predecessors, (42), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 76 [2025-03-17 15:16:17,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:16:17,096 INFO L225 Difference]: With dead ends: 693 [2025-03-17 15:16:17,096 INFO L226 Difference]: Without dead ends: 691 [2025-03-17 15:16:17,096 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2025-03-17 15:16:17,096 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 289 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 330 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 289 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:16:17,096 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [289 Valid, 361 Invalid, 347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 330 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:16:17,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 691 states. [2025-03-17 15:16:17,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 691 to 665. [2025-03-17 15:16:17,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 665 states, 540 states have (on average 1.4055555555555554) internal successors, (759), 586 states have internal predecessors, (759), 76 states have call successors, (76), 2 states have call predecessors, (76), 2 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2025-03-17 15:16:17,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 665 states and 911 transitions. [2025-03-17 15:16:17,140 INFO L78 Accepts]: Start accepts. Automaton has 665 states and 911 transitions. Word has length 76 [2025-03-17 15:16:17,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:16:17,140 INFO L471 AbstractCegarLoop]: Abstraction has 665 states and 911 transitions. [2025-03-17 15:16:17,140 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.0) internal successors, (42), 7 states have internal predecessors, (42), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-03-17 15:16:17,140 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 911 transitions. [2025-03-17 15:16:17,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2025-03-17 15:16:17,140 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:16:17,140 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:16:17,140 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2025-03-17 15:16:17,141 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:16:17,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:16:17,141 INFO L85 PathProgramCache]: Analyzing trace with hash 1713569885, now seen corresponding path program 1 times [2025-03-17 15:16:17,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:16:17,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828465075] [2025-03-17 15:16:17,141 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:17,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:16:17,143 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-03-17 15:16:17,148 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-03-17 15:16:17,148 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:17,148 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:16:17,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [435722010] [2025-03-17 15:16:17,149 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:17,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:16:17,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:16:17,151 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:16:17,152 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2025-03-17 15:16:17,171 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-03-17 15:16:17,184 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-03-17 15:16:17,184 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:17,184 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:16:17,185 INFO L256 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-17 15:16:17,186 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:16:17,283 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-17 15:16:17,283 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:16:17,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:16:17,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828465075] [2025-03-17 15:16:17,283 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:16:17,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [435722010] [2025-03-17 15:16:17,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [435722010] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:16:17,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:16:17,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-17 15:16:17,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841501291] [2025-03-17 15:16:17,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:16:17,284 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 15:16:17,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:16:17,284 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 15:16:17,284 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2025-03-17 15:16:17,284 INFO L87 Difference]: Start difference. First operand 665 states and 911 transitions. Second operand has 6 states, 5 states have (on average 8.6) internal successors, (43), 6 states have internal predecessors, (43), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-17 15:16:17,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:16:17,478 INFO L93 Difference]: Finished difference Result 690 states and 918 transitions. [2025-03-17 15:16:17,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-17 15:16:17,478 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.6) internal successors, (43), 6 states have internal predecessors, (43), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 77 [2025-03-17 15:16:17,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:16:17,480 INFO L225 Difference]: With dead ends: 690 [2025-03-17 15:16:17,480 INFO L226 Difference]: Without dead ends: 687 [2025-03-17 15:16:17,480 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2025-03-17 15:16:17,481 INFO L435 NwaCegarLoop]: 126 mSDtfsCounter, 79 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 387 SdHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:16:17,481 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 387 Invalid, 223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:16:17,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 687 states. [2025-03-17 15:16:17,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 687 to 665. [2025-03-17 15:16:17,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 665 states, 540 states have (on average 1.3981481481481481) internal successors, (755), 586 states have internal predecessors, (755), 76 states have call successors, (76), 2 states have call predecessors, (76), 2 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2025-03-17 15:16:17,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 665 states and 907 transitions. [2025-03-17 15:16:17,525 INFO L78 Accepts]: Start accepts. Automaton has 665 states and 907 transitions. Word has length 77 [2025-03-17 15:16:17,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:16:17,525 INFO L471 AbstractCegarLoop]: Abstraction has 665 states and 907 transitions. [2025-03-17 15:16:17,525 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.6) internal successors, (43), 6 states have internal predecessors, (43), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-17 15:16:17,525 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 907 transitions. [2025-03-17 15:16:17,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2025-03-17 15:16:17,525 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:16:17,525 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:16:17,531 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2025-03-17 15:16:17,726 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:16:17,726 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:16:17,726 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:16:17,726 INFO L85 PathProgramCache]: Analyzing trace with hash 1581058887, now seen corresponding path program 1 times [2025-03-17 15:16:17,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:16:17,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352148915] [2025-03-17 15:16:17,727 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:17,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:16:17,729 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 78 statements into 1 equivalence classes. [2025-03-17 15:16:17,735 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 78 of 78 statements. [2025-03-17 15:16:17,735 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:17,735 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:16:17,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [368266469] [2025-03-17 15:16:17,735 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:17,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:16:17,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:16:17,737 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:16:17,739 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2025-03-17 15:16:17,758 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 78 statements into 1 equivalence classes. [2025-03-17 15:16:17,771 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 78 of 78 statements. [2025-03-17 15:16:17,772 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:17,772 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:16:17,772 INFO L256 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-17 15:16:17,773 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:16:17,877 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-17 15:16:17,877 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:16:18,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:16:18,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352148915] [2025-03-17 15:16:18,023 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:16:18,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [368266469] [2025-03-17 15:16:18,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [368266469] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:16:18,023 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:16:18,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-03-17 15:16:18,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147701123] [2025-03-17 15:16:18,024 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:16:18,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 15:16:18,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:16:18,024 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 15:16:18,024 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:16:18,024 INFO L87 Difference]: Start difference. First operand 665 states and 907 transitions. Second operand has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 states have internal predecessors, (44), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-17 15:16:18,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:16:18,170 INFO L93 Difference]: Finished difference Result 766 states and 1014 transitions. [2025-03-17 15:16:18,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 15:16:18,171 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 states have internal predecessors, (44), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 78 [2025-03-17 15:16:18,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:16:18,173 INFO L225 Difference]: With dead ends: 766 [2025-03-17 15:16:18,173 INFO L226 Difference]: Without dead ends: 765 [2025-03-17 15:16:18,173 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:16:18,173 INFO L435 NwaCegarLoop]: 102 mSDtfsCounter, 215 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:16:18,173 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [227 Valid, 288 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:16:18,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 765 states. [2025-03-17 15:16:18,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 765 to 673. [2025-03-17 15:16:18,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 673 states, 548 states have (on average 1.3941605839416058) internal successors, (764), 594 states have internal predecessors, (764), 76 states have call successors, (76), 2 states have call predecessors, (76), 2 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2025-03-17 15:16:18,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 673 states and 916 transitions. [2025-03-17 15:16:18,220 INFO L78 Accepts]: Start accepts. Automaton has 673 states and 916 transitions. Word has length 78 [2025-03-17 15:16:18,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:16:18,220 INFO L471 AbstractCegarLoop]: Abstraction has 673 states and 916 transitions. [2025-03-17 15:16:18,220 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 states have internal predecessors, (44), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-17 15:16:18,220 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 916 transitions. [2025-03-17 15:16:18,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2025-03-17 15:16:18,221 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:16:18,221 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:16:18,227 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2025-03-17 15:16:18,421 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2025-03-17 15:16:18,421 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:16:18,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:16:18,421 INFO L85 PathProgramCache]: Analyzing trace with hash -122648191, now seen corresponding path program 1 times [2025-03-17 15:16:18,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:16:18,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684087505] [2025-03-17 15:16:18,422 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:18,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:16:18,424 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 79 statements into 1 equivalence classes. [2025-03-17 15:16:18,427 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-03-17 15:16:18,428 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:18,428 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:16:18,473 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-17 15:16:18,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:16:18,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684087505] [2025-03-17 15:16:18,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684087505] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:16:18,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [613949142] [2025-03-17 15:16:18,473 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:18,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:16:18,474 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:16:18,475 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:16:18,477 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2025-03-17 15:16:18,505 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 79 statements into 1 equivalence classes. [2025-03-17 15:16:18,518 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-03-17 15:16:18,519 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:18,519 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:16:18,519 INFO L256 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-17 15:16:18,520 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:16:18,583 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-17 15:16:18,583 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:16:18,700 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-17 15:16:18,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [613949142] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:16:18,701 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:16:18,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 7] total 15 [2025-03-17 15:16:18,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219319422] [2025-03-17 15:16:18,701 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:16:18,701 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-03-17 15:16:18,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:16:18,702 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-03-17 15:16:18,702 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2025-03-17 15:16:18,702 INFO L87 Difference]: Start difference. First operand 673 states and 916 transitions. Second operand has 16 states, 15 states have (on average 8.066666666666666) internal successors, (121), 16 states have internal predecessors, (121), 7 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 7 states have call predecessors, (24), 7 states have call successors, (24) [2025-03-17 15:16:19,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:16:19,196 INFO L93 Difference]: Finished difference Result 693 states and 923 transitions. [2025-03-17 15:16:19,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-03-17 15:16:19,197 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 8.066666666666666) internal successors, (121), 16 states have internal predecessors, (121), 7 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 7 states have call predecessors, (24), 7 states have call successors, (24) Word has length 79 [2025-03-17 15:16:19,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:16:19,199 INFO L225 Difference]: With dead ends: 693 [2025-03-17 15:16:19,199 INFO L226 Difference]: Without dead ends: 690 [2025-03-17 15:16:19,199 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 271 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=404, Invalid=1002, Unknown=0, NotChecked=0, Total=1406 [2025-03-17 15:16:19,200 INFO L435 NwaCegarLoop]: 48 mSDtfsCounter, 770 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 445 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 770 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 501 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 445 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:16:19,200 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [770 Valid, 318 Invalid, 501 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 445 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 15:16:19,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 690 states. [2025-03-17 15:16:19,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 690 to 663. [2025-03-17 15:16:19,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 663 states, 540 states have (on average 1.374074074074074) internal successors, (742), 584 states have internal predecessors, (742), 76 states have call successors, (76), 2 states have call predecessors, (76), 2 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2025-03-17 15:16:19,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 663 states and 894 transitions. [2025-03-17 15:16:19,249 INFO L78 Accepts]: Start accepts. Automaton has 663 states and 894 transitions. Word has length 79 [2025-03-17 15:16:19,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:16:19,249 INFO L471 AbstractCegarLoop]: Abstraction has 663 states and 894 transitions. [2025-03-17 15:16:19,249 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 8.066666666666666) internal successors, (121), 16 states have internal predecessors, (121), 7 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 7 states have call predecessors, (24), 7 states have call successors, (24) [2025-03-17 15:16:19,249 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 894 transitions. [2025-03-17 15:16:19,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2025-03-17 15:16:19,249 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:16:19,249 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:16:19,255 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Forceful destruction successful, exit code 0 [2025-03-17 15:16:19,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2025-03-17 15:16:19,450 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:16:19,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:16:19,450 INFO L85 PathProgramCache]: Analyzing trace with hash -1020832315, now seen corresponding path program 1 times [2025-03-17 15:16:19,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:16:19,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642486001] [2025-03-17 15:16:19,450 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:19,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:16:19,453 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-03-17 15:16:19,462 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-03-17 15:16:19,464 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:19,464 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:16:19,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [914973250] [2025-03-17 15:16:19,465 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:19,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:16:19,465 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:16:19,466 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:16:19,468 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2025-03-17 15:16:19,490 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-03-17 15:16:19,503 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-03-17 15:16:19,503 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:19,503 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:16:19,504 INFO L256 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-17 15:16:19,505 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:16:19,655 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-17 15:16:19,655 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:16:19,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:16:19,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642486001] [2025-03-17 15:16:19,655 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:16:19,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [914973250] [2025-03-17 15:16:19,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [914973250] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:16:19,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:16:19,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-17 15:16:19,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939884740] [2025-03-17 15:16:19,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:16:19,656 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-17 15:16:19,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:16:19,656 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-17 15:16:19,656 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2025-03-17 15:16:19,656 INFO L87 Difference]: Start difference. First operand 663 states and 894 transitions. Second operand has 7 states, 6 states have (on average 7.666666666666667) internal successors, (46), 7 states have internal predecessors, (46), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-17 15:16:19,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:16:19,881 INFO L93 Difference]: Finished difference Result 685 states and 900 transitions. [2025-03-17 15:16:19,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-17 15:16:19,881 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.666666666666667) internal successors, (46), 7 states have internal predecessors, (46), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 80 [2025-03-17 15:16:19,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:16:19,883 INFO L225 Difference]: With dead ends: 685 [2025-03-17 15:16:19,883 INFO L226 Difference]: Without dead ends: 684 [2025-03-17 15:16:19,883 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:16:19,883 INFO L435 NwaCegarLoop]: 124 mSDtfsCounter, 72 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 265 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:16:19,883 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 322 Invalid, 270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 265 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:16:19,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 684 states. [2025-03-17 15:16:19,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 684 to 663. [2025-03-17 15:16:19,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 663 states, 540 states have (on average 1.3722222222222222) internal successors, (741), 584 states have internal predecessors, (741), 76 states have call successors, (76), 2 states have call predecessors, (76), 2 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2025-03-17 15:16:19,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 663 states and 893 transitions. [2025-03-17 15:16:19,928 INFO L78 Accepts]: Start accepts. Automaton has 663 states and 893 transitions. Word has length 80 [2025-03-17 15:16:19,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:16:19,928 INFO L471 AbstractCegarLoop]: Abstraction has 663 states and 893 transitions. [2025-03-17 15:16:19,928 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.666666666666667) internal successors, (46), 7 states have internal predecessors, (46), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-17 15:16:19,928 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 893 transitions. [2025-03-17 15:16:19,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2025-03-17 15:16:19,928 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:16:19,929 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:16:19,934 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Forceful destruction successful, exit code 0 [2025-03-17 15:16:20,129 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2025-03-17 15:16:20,129 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:16:20,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:16:20,129 INFO L85 PathProgramCache]: Analyzing trace with hash -1703745008, now seen corresponding path program 1 times [2025-03-17 15:16:20,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:16:20,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745567500] [2025-03-17 15:16:20,129 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:20,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:16:20,132 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 84 statements into 1 equivalence classes. [2025-03-17 15:16:20,139 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 84 of 84 statements. [2025-03-17 15:16:20,139 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:20,139 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:16:20,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1878489421] [2025-03-17 15:16:20,139 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:20,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:16:20,140 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:16:20,141 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:16:20,143 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2025-03-17 15:16:20,164 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 84 statements into 1 equivalence classes. [2025-03-17 15:16:20,179 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 84 of 84 statements. [2025-03-17 15:16:20,179 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:20,179 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:16:20,180 INFO L256 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-17 15:16:20,181 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:16:20,298 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-17 15:16:20,298 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:16:20,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:16:20,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745567500] [2025-03-17 15:16:20,354 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:16:20,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1878489421] [2025-03-17 15:16:20,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1878489421] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:16:20,354 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:16:20,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-03-17 15:16:20,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854147400] [2025-03-17 15:16:20,355 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:16:20,355 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-17 15:16:20,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:16:20,355 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-17 15:16:20,355 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2025-03-17 15:16:20,355 INFO L87 Difference]: Start difference. First operand 663 states and 893 transitions. Second operand has 8 states, 7 states have (on average 7.142857142857143) internal successors, (50), 8 states have internal predecessors, (50), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-17 15:16:20,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:16:20,632 INFO L93 Difference]: Finished difference Result 718 states and 927 transitions. [2025-03-17 15:16:20,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-17 15:16:20,633 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.142857142857143) internal successors, (50), 8 states have internal predecessors, (50), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 84 [2025-03-17 15:16:20,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:16:20,636 INFO L225 Difference]: With dead ends: 718 [2025-03-17 15:16:20,636 INFO L226 Difference]: Without dead ends: 715 [2025-03-17 15:16:20,636 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2025-03-17 15:16:20,636 INFO L435 NwaCegarLoop]: 155 mSDtfsCounter, 144 mSDsluCounter, 338 mSDsCounter, 0 mSdLazyCounter, 371 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 493 SdHoareTripleChecker+Invalid, 378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:16:20,636 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 493 Invalid, 378 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 371 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:16:20,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 715 states. [2025-03-17 15:16:20,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 715 to 665. [2025-03-17 15:16:20,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 665 states, 542 states have (on average 1.3597785977859778) internal successors, (737), 586 states have internal predecessors, (737), 76 states have call successors, (76), 2 states have call predecessors, (76), 2 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2025-03-17 15:16:20,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 665 states and 889 transitions. [2025-03-17 15:16:20,690 INFO L78 Accepts]: Start accepts. Automaton has 665 states and 889 transitions. Word has length 84 [2025-03-17 15:16:20,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:16:20,690 INFO L471 AbstractCegarLoop]: Abstraction has 665 states and 889 transitions. [2025-03-17 15:16:20,690 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.142857142857143) internal successors, (50), 8 states have internal predecessors, (50), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-17 15:16:20,690 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 889 transitions. [2025-03-17 15:16:20,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2025-03-17 15:16:20,690 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:16:20,691 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:16:20,697 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Forceful destruction successful, exit code 0 [2025-03-17 15:16:20,891 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2025-03-17 15:16:20,891 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:16:20,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:16:20,891 INFO L85 PathProgramCache]: Analyzing trace with hash -1276487684, now seen corresponding path program 1 times [2025-03-17 15:16:20,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:16:20,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240640832] [2025-03-17 15:16:20,891 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:20,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:16:20,894 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes. [2025-03-17 15:16:20,899 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-03-17 15:16:20,899 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:20,899 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:16:20,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1947047479] [2025-03-17 15:16:20,900 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:20,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:16:20,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:16:20,902 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:16:20,903 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2025-03-17 15:16:20,925 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes. [2025-03-17 15:16:20,941 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-03-17 15:16:20,941 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:20,941 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:16:20,942 INFO L256 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-03-17 15:16:20,943 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:16:21,092 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-17 15:16:21,092 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:16:21,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:16:21,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240640832] [2025-03-17 15:16:21,221 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:16:21,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1947047479] [2025-03-17 15:16:21,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1947047479] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:16:21,221 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:16:21,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-03-17 15:16:21,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778164061] [2025-03-17 15:16:21,221 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:16:21,221 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-17 15:16:21,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:16:21,221 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-17 15:16:21,221 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2025-03-17 15:16:21,221 INFO L87 Difference]: Start difference. First operand 665 states and 889 transitions. Second operand has 8 states, 7 states have (on average 7.285714285714286) internal successors, (51), 8 states have internal predecessors, (51), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-17 15:16:21,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:16:21,560 INFO L93 Difference]: Finished difference Result 877 states and 1140 transitions. [2025-03-17 15:16:21,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-17 15:16:21,560 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.285714285714286) internal successors, (51), 8 states have internal predecessors, (51), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 85 [2025-03-17 15:16:21,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:16:21,563 INFO L225 Difference]: With dead ends: 877 [2025-03-17 15:16:21,563 INFO L226 Difference]: Without dead ends: 876 [2025-03-17 15:16:21,563 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2025-03-17 15:16:21,563 INFO L435 NwaCegarLoop]: 130 mSDtfsCounter, 198 mSDsluCounter, 471 mSDsCounter, 0 mSdLazyCounter, 446 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 601 SdHoareTripleChecker+Invalid, 446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 446 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:16:21,563 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 601 Invalid, 446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 446 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 15:16:21,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 876 states. [2025-03-17 15:16:21,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 876 to 670. [2025-03-17 15:16:21,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 670 states, 547 states have (on average 1.360146252285192) internal successors, (744), 591 states have internal predecessors, (744), 76 states have call successors, (76), 2 states have call predecessors, (76), 2 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2025-03-17 15:16:21,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 670 states and 896 transitions. [2025-03-17 15:16:21,625 INFO L78 Accepts]: Start accepts. Automaton has 670 states and 896 transitions. Word has length 85 [2025-03-17 15:16:21,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:16:21,625 INFO L471 AbstractCegarLoop]: Abstraction has 670 states and 896 transitions. [2025-03-17 15:16:21,625 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.285714285714286) internal successors, (51), 8 states have internal predecessors, (51), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-17 15:16:21,625 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 896 transitions. [2025-03-17 15:16:21,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2025-03-17 15:16:21,625 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:16:21,625 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:16:21,631 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Forceful destruction successful, exit code 0 [2025-03-17 15:16:21,826 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2025-03-17 15:16:21,826 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:16:21,826 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:16:21,826 INFO L85 PathProgramCache]: Analyzing trace with hash 1130486633, now seen corresponding path program 1 times [2025-03-17 15:16:21,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:16:21,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110308132] [2025-03-17 15:16:21,826 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:21,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:16:21,829 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-03-17 15:16:21,833 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-03-17 15:16:21,833 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:21,833 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:16:21,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [63740294] [2025-03-17 15:16:21,834 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:21,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:16:21,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:16:21,836 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:16:21,837 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2025-03-17 15:16:21,859 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-03-17 15:16:21,874 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-03-17 15:16:21,874 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:21,874 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:16:21,874 INFO L256 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 30 conjuncts are in the unsatisfiable core [2025-03-17 15:16:21,876 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:16:22,180 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2025-03-17 15:16:22,181 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:16:22,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:16:22,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110308132] [2025-03-17 15:16:22,388 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:16:22,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [63740294] [2025-03-17 15:16:22,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [63740294] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:16:22,389 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:16:22,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-03-17 15:16:22,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345949009] [2025-03-17 15:16:22,389 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:16:22,389 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-17 15:16:22,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:16:22,389 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-17 15:16:22,390 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2025-03-17 15:16:22,390 INFO L87 Difference]: Start difference. First operand 670 states and 896 transitions. Second operand has 12 states, 11 states have (on average 5.0) internal successors, (55), 11 states have internal predecessors, (55), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-03-17 15:16:23,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:16:23,252 INFO L93 Difference]: Finished difference Result 902 states and 1189 transitions. [2025-03-17 15:16:23,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-17 15:16:23,253 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.0) internal successors, (55), 11 states have internal predecessors, (55), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 86 [2025-03-17 15:16:23,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:16:23,255 INFO L225 Difference]: With dead ends: 902 [2025-03-17 15:16:23,255 INFO L226 Difference]: Without dead ends: 900 [2025-03-17 15:16:23,255 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=106, Invalid=494, Unknown=0, NotChecked=0, Total=600 [2025-03-17 15:16:23,256 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 517 mSDsluCounter, 450 mSDsCounter, 0 mSdLazyCounter, 1096 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 521 SdHoareTripleChecker+Valid, 526 SdHoareTripleChecker+Invalid, 1139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 1096 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-03-17 15:16:23,256 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [521 Valid, 526 Invalid, 1139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 1096 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-03-17 15:16:23,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 900 states. [2025-03-17 15:16:23,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 900 to 679. [2025-03-17 15:16:23,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 679 states, 556 states have (on average 1.356115107913669) internal successors, (754), 600 states have internal predecessors, (754), 76 states have call successors, (76), 2 states have call predecessors, (76), 2 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2025-03-17 15:16:23,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 679 states and 906 transitions. [2025-03-17 15:16:23,310 INFO L78 Accepts]: Start accepts. Automaton has 679 states and 906 transitions. Word has length 86 [2025-03-17 15:16:23,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:16:23,310 INFO L471 AbstractCegarLoop]: Abstraction has 679 states and 906 transitions. [2025-03-17 15:16:23,310 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.0) internal successors, (55), 11 states have internal predecessors, (55), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-03-17 15:16:23,310 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 906 transitions. [2025-03-17 15:16:23,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2025-03-17 15:16:23,311 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:16:23,311 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:16:23,318 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Forceful destruction successful, exit code 0 [2025-03-17 15:16:23,515 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,43 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:16:23,515 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:16:23,516 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:16:23,516 INFO L85 PathProgramCache]: Analyzing trace with hash -916412530, now seen corresponding path program 1 times [2025-03-17 15:16:23,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:16:23,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35180624] [2025-03-17 15:16:23,516 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:23,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:16:23,519 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-03-17 15:16:23,521 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-03-17 15:16:23,521 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:23,521 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:16:23,578 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2025-03-17 15:16:23,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:16:23,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35180624] [2025-03-17 15:16:23,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [35180624] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:16:23,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1635866399] [2025-03-17 15:16:23,578 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:23,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:16:23,578 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:16:23,580 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:16:23,583 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2025-03-17 15:16:23,601 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-03-17 15:16:23,615 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-03-17 15:16:23,615 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:23,615 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:16:23,616 INFO L256 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-17 15:16:23,617 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:16:23,715 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2025-03-17 15:16:23,715 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:16:23,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1635866399] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:16:23,823 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 15:16:23,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2025-03-17 15:16:23,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061878106] [2025-03-17 15:16:23,823 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 15:16:23,823 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-17 15:16:23,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:16:23,824 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-17 15:16:23,824 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2025-03-17 15:16:23,824 INFO L87 Difference]: Start difference. First operand 679 states and 906 transitions. Second operand has 10 states, 9 states have (on average 10.666666666666666) internal successors, (96), 10 states have internal predecessors, (96), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-03-17 15:16:24,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:16:24,178 INFO L93 Difference]: Finished difference Result 897 states and 1182 transitions. [2025-03-17 15:16:24,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-17 15:16:24,178 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 10.666666666666666) internal successors, (96), 10 states have internal predecessors, (96), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 86 [2025-03-17 15:16:24,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:16:24,181 INFO L225 Difference]: With dead ends: 897 [2025-03-17 15:16:24,181 INFO L226 Difference]: Without dead ends: 896 [2025-03-17 15:16:24,181 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2025-03-17 15:16:24,182 INFO L435 NwaCegarLoop]: 134 mSDtfsCounter, 263 mSDsluCounter, 591 mSDsCounter, 0 mSdLazyCounter, 316 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 263 SdHoareTripleChecker+Valid, 725 SdHoareTripleChecker+Invalid, 327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:16:24,182 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [263 Valid, 725 Invalid, 327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 316 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:16:24,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 896 states. [2025-03-17 15:16:24,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 896 to 814. [2025-03-17 15:16:24,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 814 states, 675 states have (on average 1.4177777777777778) internal successors, (957), 719 states have internal predecessors, (957), 92 states have call successors, (92), 2 states have call predecessors, (92), 2 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92) [2025-03-17 15:16:24,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 814 states to 814 states and 1141 transitions. [2025-03-17 15:16:24,249 INFO L78 Accepts]: Start accepts. Automaton has 814 states and 1141 transitions. Word has length 86 [2025-03-17 15:16:24,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:16:24,249 INFO L471 AbstractCegarLoop]: Abstraction has 814 states and 1141 transitions. [2025-03-17 15:16:24,250 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 10.666666666666666) internal successors, (96), 10 states have internal predecessors, (96), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-03-17 15:16:24,250 INFO L276 IsEmpty]: Start isEmpty. Operand 814 states and 1141 transitions. [2025-03-17 15:16:24,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2025-03-17 15:16:24,250 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:16:24,250 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:16:24,256 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Ended with exit code 0 [2025-03-17 15:16:24,450 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable51 [2025-03-17 15:16:24,451 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:16:24,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:16:24,451 INFO L85 PathProgramCache]: Analyzing trace with hash 1655982650, now seen corresponding path program 1 times [2025-03-17 15:16:24,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:16:24,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754868409] [2025-03-17 15:16:24,451 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:24,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:16:24,454 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-03-17 15:16:24,462 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-03-17 15:16:24,462 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:24,462 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:16:24,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1398979845] [2025-03-17 15:16:24,463 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:24,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:16:24,463 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:16:24,464 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:16:24,466 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2025-03-17 15:16:24,486 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-03-17 15:16:24,501 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-03-17 15:16:24,501 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:24,501 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:16:24,502 INFO L256 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-03-17 15:16:24,503 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:16:24,704 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-17 15:16:24,705 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:16:32,699 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-17 15:16:32,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:16:32,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754868409] [2025-03-17 15:16:32,700 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:16:32,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1398979845] [2025-03-17 15:16:32,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1398979845] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:16:32,700 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 15:16:32,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2025-03-17 15:16:32,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772286852] [2025-03-17 15:16:32,700 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 15:16:32,700 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-03-17 15:16:32,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:16:32,700 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-03-17 15:16:32,700 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=181, Unknown=2, NotChecked=0, Total=240 [2025-03-17 15:16:32,701 INFO L87 Difference]: Start difference. First operand 814 states and 1141 transitions. Second operand has 16 states, 15 states have (on average 6.533333333333333) internal successors, (98), 16 states have internal predecessors, (98), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-03-17 15:16:33,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:16:33,548 INFO L93 Difference]: Finished difference Result 1235 states and 1670 transitions. [2025-03-17 15:16:33,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-17 15:16:33,549 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 6.533333333333333) internal successors, (98), 16 states have internal predecessors, (98), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 87 [2025-03-17 15:16:33,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:16:33,552 INFO L225 Difference]: With dead ends: 1235 [2025-03-17 15:16:33,552 INFO L226 Difference]: Without dead ends: 1234 [2025-03-17 15:16:33,552 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 8.0s TimeCoverageRelationStatistics Valid=110, Invalid=350, Unknown=2, NotChecked=0, Total=462 [2025-03-17 15:16:33,553 INFO L435 NwaCegarLoop]: 147 mSDtfsCounter, 1305 mSDsluCounter, 857 mSDsCounter, 0 mSdLazyCounter, 1018 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1321 SdHoareTripleChecker+Valid, 1004 SdHoareTripleChecker+Invalid, 1148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 1018 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-03-17 15:16:33,553 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1321 Valid, 1004 Invalid, 1148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 1018 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-03-17 15:16:33,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1234 states. [2025-03-17 15:16:33,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1234 to 910. [2025-03-17 15:16:33,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 910 states, 759 states have (on average 1.4097496706192358) internal successors, (1070), 803 states have internal predecessors, (1070), 104 states have call successors, (104), 2 states have call predecessors, (104), 2 states have return successors, (104), 104 states have call predecessors, (104), 104 states have call successors, (104) [2025-03-17 15:16:33,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 910 states and 1278 transitions. [2025-03-17 15:16:33,635 INFO L78 Accepts]: Start accepts. Automaton has 910 states and 1278 transitions. Word has length 87 [2025-03-17 15:16:33,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:16:33,635 INFO L471 AbstractCegarLoop]: Abstraction has 910 states and 1278 transitions. [2025-03-17 15:16:33,635 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 6.533333333333333) internal successors, (98), 16 states have internal predecessors, (98), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-03-17 15:16:33,635 INFO L276 IsEmpty]: Start isEmpty. Operand 910 states and 1278 transitions. [2025-03-17 15:16:33,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2025-03-17 15:16:33,636 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:16:33,636 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:16:33,643 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Forceful destruction successful, exit code 0 [2025-03-17 15:16:33,836 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,45 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:16:33,837 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:16:33,837 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:16:33,837 INFO L85 PathProgramCache]: Analyzing trace with hash -204145396, now seen corresponding path program 1 times [2025-03-17 15:16:33,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:16:33,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941342872] [2025-03-17 15:16:33,837 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:33,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:16:33,840 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes. [2025-03-17 15:16:33,845 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements. [2025-03-17 15:16:33,845 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:33,845 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:16:33,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1416253625] [2025-03-17 15:16:33,846 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:33,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:16:33,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:16:33,848 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:16:33,850 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2025-03-17 15:16:33,868 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes. [2025-03-17 15:16:33,887 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements. [2025-03-17 15:16:33,887 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:33,887 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:16:33,888 INFO L256 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-03-17 15:16:33,889 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:16:34,340 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-17 15:16:34,340 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:16:34,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:16:34,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941342872] [2025-03-17 15:16:34,430 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:16:34,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1416253625] [2025-03-17 15:16:34,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1416253625] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:16:34,430 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:16:34,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2025-03-17 15:16:34,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740891571] [2025-03-17 15:16:34,430 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:16:34,430 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-17 15:16:34,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:16:34,430 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-17 15:16:34,430 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2025-03-17 15:16:34,430 INFO L87 Difference]: Start difference. First operand 910 states and 1278 transitions. Second operand has 13 states, 12 states have (on average 4.5) internal successors, (54), 13 states have internal predecessors, (54), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-03-17 15:16:35,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:16:35,473 INFO L93 Difference]: Finished difference Result 1041 states and 1427 transitions. [2025-03-17 15:16:35,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-17 15:16:35,473 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.5) internal successors, (54), 13 states have internal predecessors, (54), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 88 [2025-03-17 15:16:35,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:16:35,475 INFO L225 Difference]: With dead ends: 1041 [2025-03-17 15:16:35,475 INFO L226 Difference]: Without dead ends: 1040 [2025-03-17 15:16:35,475 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=100, Invalid=362, Unknown=0, NotChecked=0, Total=462 [2025-03-17 15:16:35,476 INFO L435 NwaCegarLoop]: 131 mSDtfsCounter, 355 mSDsluCounter, 713 mSDsCounter, 0 mSdLazyCounter, 1347 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 367 SdHoareTripleChecker+Valid, 844 SdHoareTripleChecker+Invalid, 1378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 1347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-03-17 15:16:35,476 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [367 Valid, 844 Invalid, 1378 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 1347 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-03-17 15:16:35,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1040 states. [2025-03-17 15:16:35,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1040 to 916. [2025-03-17 15:16:35,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 916 states, 765 states have (on average 1.4065359477124184) internal successors, (1076), 809 states have internal predecessors, (1076), 104 states have call successors, (104), 2 states have call predecessors, (104), 2 states have return successors, (104), 104 states have call predecessors, (104), 104 states have call successors, (104) [2025-03-17 15:16:35,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 916 states to 916 states and 1284 transitions. [2025-03-17 15:16:35,549 INFO L78 Accepts]: Start accepts. Automaton has 916 states and 1284 transitions. Word has length 88 [2025-03-17 15:16:35,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:16:35,549 INFO L471 AbstractCegarLoop]: Abstraction has 916 states and 1284 transitions. [2025-03-17 15:16:35,550 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.5) internal successors, (54), 13 states have internal predecessors, (54), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-03-17 15:16:35,550 INFO L276 IsEmpty]: Start isEmpty. Operand 916 states and 1284 transitions. [2025-03-17 15:16:35,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2025-03-17 15:16:35,550 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:16:35,550 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:16:35,558 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Forceful destruction successful, exit code 0 [2025-03-17 15:16:35,750 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable53 [2025-03-17 15:16:35,751 INFO L396 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:16:35,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:16:35,751 INFO L85 PathProgramCache]: Analyzing trace with hash -2033539976, now seen corresponding path program 1 times [2025-03-17 15:16:35,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:16:35,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453030426] [2025-03-17 15:16:35,751 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:35,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:16:35,754 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 89 statements into 1 equivalence classes. [2025-03-17 15:16:35,761 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 89 of 89 statements. [2025-03-17 15:16:35,762 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:35,762 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:16:35,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [890102728] [2025-03-17 15:16:35,763 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:35,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:16:35,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:16:35,765 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:16:35,767 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Waiting until timeout for monitored process [2025-03-17 15:16:35,786 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 89 statements into 1 equivalence classes. [2025-03-17 15:16:35,804 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 89 of 89 statements. [2025-03-17 15:16:35,804 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:35,804 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:16:35,805 INFO L256 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-17 15:16:35,806 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:16:35,959 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-17 15:16:35,959 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:16:36,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:16:36,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453030426] [2025-03-17 15:16:36,096 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:16:36,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [890102728] [2025-03-17 15:16:36,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [890102728] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:16:36,096 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:16:36,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-03-17 15:16:36,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117597151] [2025-03-17 15:16:36,096 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:16:36,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-17 15:16:36,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:16:36,097 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-17 15:16:36,097 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2025-03-17 15:16:36,098 INFO L87 Difference]: Start difference. First operand 916 states and 1284 transitions. Second operand has 9 states, 8 states have (on average 6.875) internal successors, (55), 9 states have internal predecessors, (55), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-17 15:16:36,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:16:36,537 INFO L93 Difference]: Finished difference Result 1157 states and 1578 transitions. [2025-03-17 15:16:36,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-17 15:16:36,537 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.875) internal successors, (55), 9 states have internal predecessors, (55), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 89 [2025-03-17 15:16:36,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:16:36,540 INFO L225 Difference]: With dead ends: 1157 [2025-03-17 15:16:36,540 INFO L226 Difference]: Without dead ends: 1156 [2025-03-17 15:16:36,541 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2025-03-17 15:16:36,541 INFO L435 NwaCegarLoop]: 176 mSDtfsCounter, 200 mSDsluCounter, 598 mSDsCounter, 0 mSdLazyCounter, 595 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 774 SdHoareTripleChecker+Invalid, 601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 595 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:16:36,541 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [208 Valid, 774 Invalid, 601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 595 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 15:16:36,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1156 states. [2025-03-17 15:16:36,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1156 to 928. [2025-03-17 15:16:36,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 928 states, 777 states have (on average 1.4054054054054055) internal successors, (1092), 821 states have internal predecessors, (1092), 104 states have call successors, (104), 2 states have call predecessors, (104), 2 states have return successors, (104), 104 states have call predecessors, (104), 104 states have call successors, (104) [2025-03-17 15:16:36,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 928 states to 928 states and 1300 transitions. [2025-03-17 15:16:36,616 INFO L78 Accepts]: Start accepts. Automaton has 928 states and 1300 transitions. Word has length 89 [2025-03-17 15:16:36,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:16:36,616 INFO L471 AbstractCegarLoop]: Abstraction has 928 states and 1300 transitions. [2025-03-17 15:16:36,616 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.875) internal successors, (55), 9 states have internal predecessors, (55), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-17 15:16:36,616 INFO L276 IsEmpty]: Start isEmpty. Operand 928 states and 1300 transitions. [2025-03-17 15:16:36,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2025-03-17 15:16:36,616 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:16:36,616 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:16:36,622 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Ended with exit code 0 [2025-03-17 15:16:36,817 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54,47 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:16:36,817 INFO L396 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:16:36,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:16:36,817 INFO L85 PathProgramCache]: Analyzing trace with hash -1094822939, now seen corresponding path program 1 times [2025-03-17 15:16:36,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:16:36,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567445016] [2025-03-17 15:16:36,818 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:36,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:16:36,821 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 90 statements into 1 equivalence classes. [2025-03-17 15:16:36,825 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 90 of 90 statements. [2025-03-17 15:16:36,826 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:36,826 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:16:36,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [203391127] [2025-03-17 15:16:36,827 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:36,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:16:36,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:16:36,828 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:16:36,830 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Waiting until timeout for monitored process [2025-03-17 15:16:36,850 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 90 statements into 1 equivalence classes. [2025-03-17 15:16:36,864 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 90 of 90 statements. [2025-03-17 15:16:36,865 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:36,865 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:16:36,866 INFO L256 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 29 conjuncts are in the unsatisfiable core [2025-03-17 15:16:36,867 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:16:37,195 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-17 15:16:37,195 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:16:37,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:16:37,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567445016] [2025-03-17 15:16:37,347 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:16:37,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [203391127] [2025-03-17 15:16:37,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [203391127] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:16:37,347 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:16:37,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-03-17 15:16:37,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522687435] [2025-03-17 15:16:37,347 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:16:37,347 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-17 15:16:37,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:16:37,348 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-17 15:16:37,348 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2025-03-17 15:16:37,348 INFO L87 Difference]: Start difference. First operand 928 states and 1300 transitions. Second operand has 9 states, 8 states have (on average 7.0) internal successors, (56), 9 states have internal predecessors, (56), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-17 15:16:38,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:16:38,160 INFO L93 Difference]: Finished difference Result 1206 states and 1666 transitions. [2025-03-17 15:16:38,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-17 15:16:38,160 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 7.0) internal successors, (56), 9 states have internal predecessors, (56), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 90 [2025-03-17 15:16:38,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:16:38,162 INFO L225 Difference]: With dead ends: 1206 [2025-03-17 15:16:38,162 INFO L226 Difference]: Without dead ends: 1204 [2025-03-17 15:16:38,163 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=224, Unknown=0, NotChecked=0, Total=272 [2025-03-17 15:16:38,163 INFO L435 NwaCegarLoop]: 114 mSDtfsCounter, 277 mSDsluCounter, 422 mSDsCounter, 0 mSdLazyCounter, 1224 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 536 SdHoareTripleChecker+Invalid, 1249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-03-17 15:16:38,163 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [285 Valid, 536 Invalid, 1249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1224 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-03-17 15:16:38,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1204 states. [2025-03-17 15:16:38,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1204 to 932. [2025-03-17 15:16:38,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 932 states, 781 states have (on average 1.4033290653008963) internal successors, (1096), 825 states have internal predecessors, (1096), 104 states have call successors, (104), 2 states have call predecessors, (104), 2 states have return successors, (104), 104 states have call predecessors, (104), 104 states have call successors, (104) [2025-03-17 15:16:38,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 932 states to 932 states and 1304 transitions. [2025-03-17 15:16:38,235 INFO L78 Accepts]: Start accepts. Automaton has 932 states and 1304 transitions. Word has length 90 [2025-03-17 15:16:38,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:16:38,236 INFO L471 AbstractCegarLoop]: Abstraction has 932 states and 1304 transitions. [2025-03-17 15:16:38,236 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 7.0) internal successors, (56), 9 states have internal predecessors, (56), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-17 15:16:38,236 INFO L276 IsEmpty]: Start isEmpty. Operand 932 states and 1304 transitions. [2025-03-17 15:16:38,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2025-03-17 15:16:38,236 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:16:38,236 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:16:38,242 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Forceful destruction successful, exit code 0 [2025-03-17 15:16:38,440 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55,48 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:16:38,441 INFO L396 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:16:38,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:16:38,441 INFO L85 PathProgramCache]: Analyzing trace with hash 1384770186, now seen corresponding path program 1 times [2025-03-17 15:16:38,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:16:38,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334483888] [2025-03-17 15:16:38,441 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:38,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:16:38,444 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 90 statements into 1 equivalence classes. [2025-03-17 15:16:38,447 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 90 of 90 statements. [2025-03-17 15:16:38,447 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:38,447 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:16:38,517 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2025-03-17 15:16:38,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:16:38,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334483888] [2025-03-17 15:16:38,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334483888] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:16:38,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [51765238] [2025-03-17 15:16:38,517 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:38,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:16:38,517 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:16:38,519 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:16:38,520 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Waiting until timeout for monitored process [2025-03-17 15:16:38,542 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 90 statements into 1 equivalence classes. [2025-03-17 15:16:38,558 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 90 of 90 statements. [2025-03-17 15:16:38,558 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:38,558 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:16:38,560 INFO L256 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-17 15:16:38,561 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:16:38,625 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2025-03-17 15:16:38,626 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:16:38,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [51765238] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:16:38,747 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 15:16:38,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2025-03-17 15:16:38,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312440781] [2025-03-17 15:16:38,747 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 15:16:38,747 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-17 15:16:38,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:16:38,748 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-17 15:16:38,748 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2025-03-17 15:16:38,748 INFO L87 Difference]: Start difference. First operand 932 states and 1304 transitions. Second operand has 10 states, 9 states have (on average 11.555555555555555) internal successors, (104), 10 states have internal predecessors, (104), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-03-17 15:16:38,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:16:38,959 INFO L93 Difference]: Finished difference Result 973 states and 1315 transitions. [2025-03-17 15:16:38,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-17 15:16:38,960 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 11.555555555555555) internal successors, (104), 10 states have internal predecessors, (104), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 90 [2025-03-17 15:16:38,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:16:38,961 INFO L225 Difference]: With dead ends: 973 [2025-03-17 15:16:38,962 INFO L226 Difference]: Without dead ends: 972 [2025-03-17 15:16:38,962 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2025-03-17 15:16:38,962 INFO L435 NwaCegarLoop]: 166 mSDtfsCounter, 139 mSDsluCounter, 459 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 625 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:16:38,962 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 625 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:16:38,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 972 states. [2025-03-17 15:16:39,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 972 to 932. [2025-03-17 15:16:39,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 932 states, 781 states have (on average 1.4020486555697824) internal successors, (1095), 825 states have internal predecessors, (1095), 104 states have call successors, (104), 2 states have call predecessors, (104), 2 states have return successors, (104), 104 states have call predecessors, (104), 104 states have call successors, (104) [2025-03-17 15:16:39,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 932 states to 932 states and 1303 transitions. [2025-03-17 15:16:39,036 INFO L78 Accepts]: Start accepts. Automaton has 932 states and 1303 transitions. Word has length 90 [2025-03-17 15:16:39,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:16:39,036 INFO L471 AbstractCegarLoop]: Abstraction has 932 states and 1303 transitions. [2025-03-17 15:16:39,036 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 11.555555555555555) internal successors, (104), 10 states have internal predecessors, (104), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-03-17 15:16:39,036 INFO L276 IsEmpty]: Start isEmpty. Operand 932 states and 1303 transitions. [2025-03-17 15:16:39,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2025-03-17 15:16:39,037 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:16:39,037 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:16:39,042 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Forceful destruction successful, exit code 0 [2025-03-17 15:16:39,239 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 49 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable56 [2025-03-17 15:16:39,239 INFO L396 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:16:39,239 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:16:39,239 INFO L85 PathProgramCache]: Analyzing trace with hash -21797194, now seen corresponding path program 1 times [2025-03-17 15:16:39,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:16:39,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473471465] [2025-03-17 15:16:39,239 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:39,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:16:39,243 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-03-17 15:16:39,249 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-03-17 15:16:39,249 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:39,249 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:16:39,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [300118793] [2025-03-17 15:16:39,249 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:39,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:16:39,250 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:16:39,253 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:16:39,254 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Waiting until timeout for monitored process [2025-03-17 15:16:39,276 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-03-17 15:16:39,292 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-03-17 15:16:39,292 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:39,292 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:16:39,293 INFO L256 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-03-17 15:16:39,294 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:16:39,515 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-17 15:16:39,515 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:16:39,654 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-17 15:16:39,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:16:39,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473471465] [2025-03-17 15:16:39,654 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:16:39,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [300118793] [2025-03-17 15:16:39,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [300118793] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:16:39,654 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 15:16:39,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2025-03-17 15:16:39,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816872068] [2025-03-17 15:16:39,654 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 15:16:39,655 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-03-17 15:16:39,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:16:39,655 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-03-17 15:16:39,655 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=229, Unknown=0, NotChecked=0, Total=306 [2025-03-17 15:16:39,655 INFO L87 Difference]: Start difference. First operand 932 states and 1303 transitions. Second operand has 18 states, 17 states have (on average 6.235294117647059) internal successors, (106), 18 states have internal predecessors, (106), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-03-17 15:16:41,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:16:41,538 INFO L93 Difference]: Finished difference Result 1431 states and 1937 transitions. [2025-03-17 15:16:41,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-17 15:16:41,538 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 6.235294117647059) internal successors, (106), 18 states have internal predecessors, (106), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 91 [2025-03-17 15:16:41,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:16:41,540 INFO L225 Difference]: With dead ends: 1431 [2025-03-17 15:16:41,540 INFO L226 Difference]: Without dead ends: 1430 [2025-03-17 15:16:41,541 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=209, Invalid=603, Unknown=0, NotChecked=0, Total=812 [2025-03-17 15:16:41,541 INFO L435 NwaCegarLoop]: 156 mSDtfsCounter, 1059 mSDsluCounter, 1427 mSDsCounter, 0 mSdLazyCounter, 1677 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1083 SdHoareTripleChecker+Valid, 1583 SdHoareTripleChecker+Invalid, 1777 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 1677 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2025-03-17 15:16:41,541 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1083 Valid, 1583 Invalid, 1777 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 1677 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2025-03-17 15:16:41,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1430 states. [2025-03-17 15:16:41,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1430 to 975. [2025-03-17 15:16:41,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 975 states, 820 states have (on average 1.4109756097560975) internal successors, (1157), 864 states have internal predecessors, (1157), 108 states have call successors, (108), 2 states have call predecessors, (108), 2 states have return successors, (108), 108 states have call predecessors, (108), 108 states have call successors, (108) [2025-03-17 15:16:41,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 975 states to 975 states and 1373 transitions. [2025-03-17 15:16:41,622 INFO L78 Accepts]: Start accepts. Automaton has 975 states and 1373 transitions. Word has length 91 [2025-03-17 15:16:41,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:16:41,622 INFO L471 AbstractCegarLoop]: Abstraction has 975 states and 1373 transitions. [2025-03-17 15:16:41,622 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 6.235294117647059) internal successors, (106), 18 states have internal predecessors, (106), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-03-17 15:16:41,622 INFO L276 IsEmpty]: Start isEmpty. Operand 975 states and 1373 transitions. [2025-03-17 15:16:41,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2025-03-17 15:16:41,623 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:16:41,623 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:16:41,629 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Ended with exit code 0 [2025-03-17 15:16:41,823 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable57 [2025-03-17 15:16:41,823 INFO L396 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:16:41,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:16:41,824 INFO L85 PathProgramCache]: Analyzing trace with hash 1705948722, now seen corresponding path program 1 times [2025-03-17 15:16:41,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:16:41,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018094184] [2025-03-17 15:16:41,824 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:41,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:16:41,826 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 94 statements into 1 equivalence classes. [2025-03-17 15:16:41,829 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 94 of 94 statements. [2025-03-17 15:16:41,829 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:41,829 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:16:41,862 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-03-17 15:16:41,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:16:41,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018094184] [2025-03-17 15:16:41,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018094184] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:16:41,862 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:16:41,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-17 15:16:41,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646322221] [2025-03-17 15:16:41,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:16:41,863 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 15:16:41,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:16:41,863 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 15:16:41,863 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-17 15:16:41,863 INFO L87 Difference]: Start difference. First operand 975 states and 1373 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2025-03-17 15:16:42,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:16:42,061 INFO L93 Difference]: Finished difference Result 1804 states and 2559 transitions. [2025-03-17 15:16:42,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 15:16:42,062 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 94 [2025-03-17 15:16:42,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:16:42,063 INFO L225 Difference]: With dead ends: 1804 [2025-03-17 15:16:42,063 INFO L226 Difference]: Without dead ends: 1029 [2025-03-17 15:16:42,064 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-03-17 15:16:42,064 INFO L435 NwaCegarLoop]: 108 mSDtfsCounter, 19 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 388 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:16:42,065 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 388 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:16:42,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1029 states. [2025-03-17 15:16:42,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1029 to 1003. [2025-03-17 15:16:42,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1003 states, 848 states have (on average 1.403301886792453) internal successors, (1190), 892 states have internal predecessors, (1190), 108 states have call successors, (108), 2 states have call predecessors, (108), 2 states have return successors, (108), 108 states have call predecessors, (108), 108 states have call successors, (108) [2025-03-17 15:16:42,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1003 states to 1003 states and 1406 transitions. [2025-03-17 15:16:42,144 INFO L78 Accepts]: Start accepts. Automaton has 1003 states and 1406 transitions. Word has length 94 [2025-03-17 15:16:42,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:16:42,144 INFO L471 AbstractCegarLoop]: Abstraction has 1003 states and 1406 transitions. [2025-03-17 15:16:42,144 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2025-03-17 15:16:42,144 INFO L276 IsEmpty]: Start isEmpty. Operand 1003 states and 1406 transitions. [2025-03-17 15:16:42,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2025-03-17 15:16:42,145 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:16:42,145 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:16:42,145 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2025-03-17 15:16:42,145 INFO L396 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:16:42,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:16:42,145 INFO L85 PathProgramCache]: Analyzing trace with hash 142142499, now seen corresponding path program 1 times [2025-03-17 15:16:42,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:16:42,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032832220] [2025-03-17 15:16:42,146 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:42,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:16:42,150 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 92 statements into 1 equivalence classes. [2025-03-17 15:16:42,158 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 92 of 92 statements. [2025-03-17 15:16:42,159 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:42,159 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:16:42,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1497666753] [2025-03-17 15:16:42,160 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:42,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:16:42,160 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:16:42,162 INFO L229 MonitoredProcess]: Starting monitored process 51 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:16:42,164 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Waiting until timeout for monitored process [2025-03-17 15:16:42,185 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 92 statements into 1 equivalence classes. [2025-03-17 15:16:42,201 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 92 of 92 statements. [2025-03-17 15:16:42,201 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:42,201 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:16:42,202 INFO L256 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-03-17 15:16:42,203 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:16:42,653 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2025-03-17 15:16:42,653 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:16:49,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:16:49,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032832220] [2025-03-17 15:16:49,799 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:16:49,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1497666753] [2025-03-17 15:16:49,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1497666753] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:16:49,799 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:16:49,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-03-17 15:16:49,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004262979] [2025-03-17 15:16:49,799 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:16:49,799 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-17 15:16:49,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:16:49,800 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-17 15:16:49,800 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=210, Unknown=2, NotChecked=0, Total=272 [2025-03-17 15:16:49,800 INFO L87 Difference]: Start difference. First operand 1003 states and 1406 transitions. Second operand has 12 states, 11 states have (on average 5.545454545454546) internal successors, (61), 11 states have internal predecessors, (61), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-03-17 15:16:50,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:16:50,475 INFO L93 Difference]: Finished difference Result 1242 states and 1713 transitions. [2025-03-17 15:16:50,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-17 15:16:50,475 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.545454545454546) internal successors, (61), 11 states have internal predecessors, (61), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 92 [2025-03-17 15:16:50,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:16:50,477 INFO L225 Difference]: With dead ends: 1242 [2025-03-17 15:16:50,477 INFO L226 Difference]: Without dead ends: 1240 [2025-03-17 15:16:50,477 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 7.1s TimeCoverageRelationStatistics Valid=116, Invalid=344, Unknown=2, NotChecked=0, Total=462 [2025-03-17 15:16:50,477 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 324 mSDsluCounter, 526 mSDsCounter, 0 mSdLazyCounter, 842 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 340 SdHoareTripleChecker+Valid, 629 SdHoareTripleChecker+Invalid, 856 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 842 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-17 15:16:50,478 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [340 Valid, 629 Invalid, 856 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 842 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-17 15:16:50,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1240 states. [2025-03-17 15:16:50,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1240 to 1015. [2025-03-17 15:16:50,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1015 states, 859 states have (on average 1.3981373690337602) internal successors, (1201), 903 states have internal predecessors, (1201), 109 states have call successors, (109), 2 states have call predecessors, (109), 2 states have return successors, (109), 109 states have call predecessors, (109), 109 states have call successors, (109) [2025-03-17 15:16:50,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 1015 states and 1419 transitions. [2025-03-17 15:16:50,562 INFO L78 Accepts]: Start accepts. Automaton has 1015 states and 1419 transitions. Word has length 92 [2025-03-17 15:16:50,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:16:50,562 INFO L471 AbstractCegarLoop]: Abstraction has 1015 states and 1419 transitions. [2025-03-17 15:16:50,563 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.545454545454546) internal successors, (61), 11 states have internal predecessors, (61), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-03-17 15:16:50,563 INFO L276 IsEmpty]: Start isEmpty. Operand 1015 states and 1419 transitions. [2025-03-17 15:16:50,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2025-03-17 15:16:50,563 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:16:50,563 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:16:50,572 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Forceful destruction successful, exit code 0 [2025-03-17 15:16:50,763 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 51 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable59 [2025-03-17 15:16:50,763 INFO L396 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:16:50,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:16:50,764 INFO L85 PathProgramCache]: Analyzing trace with hash 111450149, now seen corresponding path program 1 times [2025-03-17 15:16:50,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:16:50,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813560565] [2025-03-17 15:16:50,764 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:50,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:16:50,768 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 93 statements into 1 equivalence classes. [2025-03-17 15:16:50,774 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 93 of 93 statements. [2025-03-17 15:16:50,774 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:50,774 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:16:50,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [450971318] [2025-03-17 15:16:50,775 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:50,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:16:50,775 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:16:50,776 INFO L229 MonitoredProcess]: Starting monitored process 52 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:16:50,778 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Waiting until timeout for monitored process [2025-03-17 15:16:50,797 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 93 statements into 1 equivalence classes. [2025-03-17 15:16:50,812 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 93 of 93 statements. [2025-03-17 15:16:50,812 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:50,812 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:16:50,813 INFO L256 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-03-17 15:16:50,815 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:16:51,254 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2025-03-17 15:16:51,254 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:16:56,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:16:56,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813560565] [2025-03-17 15:16:56,291 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:16:56,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [450971318] [2025-03-17 15:16:56,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [450971318] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:16:56,291 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:16:56,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-03-17 15:16:56,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174952469] [2025-03-17 15:16:56,291 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:16:56,291 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-17 15:16:56,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:16:56,291 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-17 15:16:56,292 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=214, Unknown=2, NotChecked=0, Total=272 [2025-03-17 15:16:56,292 INFO L87 Difference]: Start difference. First operand 1015 states and 1419 transitions. Second operand has 12 states, 11 states have (on average 5.636363636363637) internal successors, (62), 11 states have internal predecessors, (62), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-03-17 15:16:57,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:16:57,067 INFO L93 Difference]: Finished difference Result 1244 states and 1713 transitions. [2025-03-17 15:16:57,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-17 15:16:57,067 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.636363636363637) internal successors, (62), 11 states have internal predecessors, (62), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 93 [2025-03-17 15:16:57,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:16:57,069 INFO L225 Difference]: With dead ends: 1244 [2025-03-17 15:16:57,069 INFO L226 Difference]: Without dead ends: 1242 [2025-03-17 15:16:57,069 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=97, Invalid=321, Unknown=2, NotChecked=0, Total=420 [2025-03-17 15:16:57,070 INFO L435 NwaCegarLoop]: 109 mSDtfsCounter, 261 mSDsluCounter, 628 mSDsCounter, 0 mSdLazyCounter, 1149 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 737 SdHoareTripleChecker+Invalid, 1156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-17 15:16:57,070 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [277 Valid, 737 Invalid, 1156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1149 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-17 15:16:57,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1242 states. [2025-03-17 15:16:57,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1242 to 1017. [2025-03-17 15:16:57,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1017 states, 861 states have (on average 1.397212543554007) internal successors, (1203), 905 states have internal predecessors, (1203), 109 states have call successors, (109), 2 states have call predecessors, (109), 2 states have return successors, (109), 109 states have call predecessors, (109), 109 states have call successors, (109) [2025-03-17 15:16:57,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1017 states to 1017 states and 1421 transitions. [2025-03-17 15:16:57,169 INFO L78 Accepts]: Start accepts. Automaton has 1017 states and 1421 transitions. Word has length 93 [2025-03-17 15:16:57,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:16:57,169 INFO L471 AbstractCegarLoop]: Abstraction has 1017 states and 1421 transitions. [2025-03-17 15:16:57,169 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.636363636363637) internal successors, (62), 11 states have internal predecessors, (62), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-03-17 15:16:57,169 INFO L276 IsEmpty]: Start isEmpty. Operand 1017 states and 1421 transitions. [2025-03-17 15:16:57,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2025-03-17 15:16:57,170 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:16:57,170 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:16:57,176 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Forceful destruction successful, exit code 0 [2025-03-17 15:16:57,370 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60,52 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:16:57,371 INFO L396 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:16:57,371 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:16:57,371 INFO L85 PathProgramCache]: Analyzing trace with hash 527735710, now seen corresponding path program 1 times [2025-03-17 15:16:57,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:16:57,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698895325] [2025-03-17 15:16:57,371 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:57,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:16:57,378 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 93 statements into 1 equivalence classes. [2025-03-17 15:16:57,385 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 93 of 93 statements. [2025-03-17 15:16:57,385 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:57,385 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:16:57,449 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 4 proven. 11 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-17 15:16:57,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:16:57,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698895325] [2025-03-17 15:16:57,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698895325] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:16:57,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [413658530] [2025-03-17 15:16:57,449 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:57,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:16:57,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:16:57,452 INFO L229 MonitoredProcess]: Starting monitored process 53 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:16:57,453 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (53)] Waiting until timeout for monitored process [2025-03-17 15:16:57,476 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 93 statements into 1 equivalence classes. [2025-03-17 15:16:57,493 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 93 of 93 statements. [2025-03-17 15:16:57,494 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:57,494 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:16:57,495 INFO L256 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-17 15:16:57,496 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:16:57,547 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 4 proven. 11 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-17 15:16:57,547 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:16:57,630 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 4 proven. 11 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-17 15:16:57,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [413658530] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:16:57,630 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:16:57,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 8 [2025-03-17 15:16:57,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52955600] [2025-03-17 15:16:57,631 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:16:57,631 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-17 15:16:57,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:16:57,631 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-17 15:16:57,631 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:16:57,631 INFO L87 Difference]: Start difference. First operand 1017 states and 1421 transitions. Second operand has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-17 15:16:58,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:16:58,075 INFO L93 Difference]: Finished difference Result 1461 states and 2006 transitions. [2025-03-17 15:16:58,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-03-17 15:16:58,076 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 93 [2025-03-17 15:16:58,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:16:58,078 INFO L225 Difference]: With dead ends: 1461 [2025-03-17 15:16:58,078 INFO L226 Difference]: Without dead ends: 1434 [2025-03-17 15:16:58,078 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 181 SyntacticMatches, 7 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=110, Invalid=310, Unknown=0, NotChecked=0, Total=420 [2025-03-17 15:16:58,078 INFO L435 NwaCegarLoop]: 184 mSDtfsCounter, 582 mSDsluCounter, 829 mSDsCounter, 0 mSdLazyCounter, 422 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 586 SdHoareTripleChecker+Valid, 1013 SdHoareTripleChecker+Invalid, 468 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 422 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:16:58,078 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [586 Valid, 1013 Invalid, 468 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 422 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 15:16:58,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1434 states. [2025-03-17 15:16:58,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1434 to 1044. [2025-03-17 15:16:58,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1044 states, 888 states have (on average 1.3997747747747749) internal successors, (1243), 932 states have internal predecessors, (1243), 109 states have call successors, (109), 2 states have call predecessors, (109), 2 states have return successors, (109), 109 states have call predecessors, (109), 109 states have call successors, (109) [2025-03-17 15:16:58,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1044 states to 1044 states and 1461 transitions. [2025-03-17 15:16:58,162 INFO L78 Accepts]: Start accepts. Automaton has 1044 states and 1461 transitions. Word has length 93 [2025-03-17 15:16:58,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:16:58,162 INFO L471 AbstractCegarLoop]: Abstraction has 1044 states and 1461 transitions. [2025-03-17 15:16:58,162 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-17 15:16:58,162 INFO L276 IsEmpty]: Start isEmpty. Operand 1044 states and 1461 transitions. [2025-03-17 15:16:58,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2025-03-17 15:16:58,163 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:16:58,163 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:16:58,169 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (53)] Forceful destruction successful, exit code 0 [2025-03-17 15:16:58,364 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 53 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable61 [2025-03-17 15:16:58,364 INFO L396 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:16:58,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:16:58,364 INFO L85 PathProgramCache]: Analyzing trace with hash -840012703, now seen corresponding path program 1 times [2025-03-17 15:16:58,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:16:58,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334531498] [2025-03-17 15:16:58,364 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:58,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:16:58,367 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 94 statements into 1 equivalence classes. [2025-03-17 15:16:58,370 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 94 of 94 statements. [2025-03-17 15:16:58,371 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:58,371 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:16:58,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2029445692] [2025-03-17 15:16:58,371 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:58,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:16:58,371 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:16:58,373 INFO L229 MonitoredProcess]: Starting monitored process 54 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:16:58,374 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Waiting until timeout for monitored process [2025-03-17 15:16:58,392 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 94 statements into 1 equivalence classes. [2025-03-17 15:16:58,404 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 94 of 94 statements. [2025-03-17 15:16:58,404 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:58,404 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:16:58,405 INFO L256 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 43 conjuncts are in the unsatisfiable core [2025-03-17 15:16:58,406 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:16:59,144 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-17 15:16:59,144 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:16:59,736 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-17 15:16:59,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:16:59,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334531498] [2025-03-17 15:16:59,736 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:16:59,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2029445692] [2025-03-17 15:16:59,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2029445692] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:16:59,736 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 15:16:59,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 21 [2025-03-17 15:16:59,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952698676] [2025-03-17 15:16:59,736 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 15:16:59,737 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2025-03-17 15:16:59,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:16:59,737 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2025-03-17 15:16:59,737 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=378, Unknown=0, NotChecked=0, Total=462 [2025-03-17 15:16:59,737 INFO L87 Difference]: Start difference. First operand 1044 states and 1461 transitions. Second operand has 22 states, 21 states have (on average 5.333333333333333) internal successors, (112), 22 states have internal predecessors, (112), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12)